microsoft-gsl-4.2.0-r0 do_compile

DEBUG: Executing shell function do_compile
NOTE: cmake --build TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/build --target all --
[1/15] Building CXX object tests/CMakeFiles/gsl_tests.dir/assertion_tests.cpp.o
FAILED: [code=1] tests/CMakeFiles/gsl_tests.dir/assertion_tests.cpp.o 
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native/usr/bin/aarch64-yoe-linux-musl/aarch64-yoe-linux-musl-clang++ --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -ITMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/include -isystem TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/googletest/googletest/include -target aarch64-yoe-linux-musl  -mcpu=cortex-a57+crc   --dyld-prefix=/usr --dyld-prefix=/usr -Qunused-arguments -fstack-protector-strong  -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security  --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -O2 -g  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/build=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot=  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native=  -pipe -fvisibility-inlines-hidden -Wno-error=unused-value  -Wno-error=switch-default -Wno-error=disabled-macro-expansion -std=c++14 -fno-strict-aliasing -Wall -Wcast-align -Wconversion -Wctor-dtor-privacy -Werror -Wextra -Wpedantic -Wshadow -Wsign-conversion -Wfloat-equal -Wno-deprecated-declarations -Weverything -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-missing-braces -Wno-covered-switch-default -Wno-global-constructors -Wno-missing-prototypes -Wno-padded -Wno-switch-default -Wno-unknown-attributes -Wno-used-but-marked-unused -Wno-weak-vtables -Wno-unused-member-function -Wno-unused-variable -Wno-unsafe-buffer-usage -MD -MT tests/CMakeFiles/gsl_tests.dir/assertion_tests.cpp.o -MF tests/CMakeFiles/gsl_tests.dir/assertion_tests.cpp.o.d -o tests/CMakeFiles/gsl_tests.dir/assertion_tests.cpp.o -c TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/assertion_tests.cpp
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/assertion_tests.cpp:40:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   40 | TEST(assertion_tests, expects)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/assertion_tests.cpp:48:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
   48 |     EXPECT_DEATH(f(10), GetExpectedDeathString(terminateHandler));
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/assertion_tests.cpp:48:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/assertion_tests.cpp:51:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   51 | TEST(assertion_tests, ensures)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/assertion_tests.cpp:59:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
   59 |     EXPECT_DEATH(g(9), GetExpectedDeathString(terminateHandler));
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/assertion_tests.cpp:59:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
4 warnings and 2 errors generated.
[2/15] Building CXX object tests/CMakeFiles/gsl_tests.dir/owner_tests.cpp.o
FAILED: [code=1] tests/CMakeFiles/gsl_tests.dir/owner_tests.cpp.o 
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native/usr/bin/aarch64-yoe-linux-musl/aarch64-yoe-linux-musl-clang++ --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -ITMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/include -isystem TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/googletest/googletest/include -target aarch64-yoe-linux-musl  -mcpu=cortex-a57+crc   --dyld-prefix=/usr --dyld-prefix=/usr -Qunused-arguments -fstack-protector-strong  -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security  --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -O2 -g  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/build=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot=  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native=  -pipe -fvisibility-inlines-hidden -Wno-error=unused-value  -Wno-error=switch-default -Wno-error=disabled-macro-expansion -std=c++14 -fno-strict-aliasing -Wall -Wcast-align -Wconversion -Wctor-dtor-privacy -Werror -Wextra -Wpedantic -Wshadow -Wsign-conversion -Wfloat-equal -Wno-deprecated-declarations -Weverything -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-missing-braces -Wno-covered-switch-default -Wno-global-constructors -Wno-missing-prototypes -Wno-padded -Wno-switch-default -Wno-unknown-attributes -Wno-used-but-marked-unused -Wno-weak-vtables -Wno-unused-member-function -Wno-unused-variable -Wno-unsafe-buffer-usage -MD -MT tests/CMakeFiles/gsl_tests.dir/owner_tests.cpp.o -MF tests/CMakeFiles/gsl_tests.dir/owner_tests.cpp.o.d -o tests/CMakeFiles/gsl_tests.dir/owner_tests.cpp.o -c TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/owner_tests.cpp
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/owner_tests.cpp:27:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   27 | TEST(owner_tests, basic_test)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
1 error generated.
[3/15] Building CXX object tests/CMakeFiles/gsl_tests.dir/byte_tests.cpp.o
FAILED: [code=1] tests/CMakeFiles/gsl_tests.dir/byte_tests.cpp.o 
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native/usr/bin/aarch64-yoe-linux-musl/aarch64-yoe-linux-musl-clang++ --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -ITMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/include -isystem TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/googletest/googletest/include -target aarch64-yoe-linux-musl  -mcpu=cortex-a57+crc   --dyld-prefix=/usr --dyld-prefix=/usr -Qunused-arguments -fstack-protector-strong  -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security  --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -O2 -g  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/build=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot=  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native=  -pipe -fvisibility-inlines-hidden -Wno-error=unused-value  -Wno-error=switch-default -Wno-error=disabled-macro-expansion -std=c++14 -fno-strict-aliasing -Wall -Wcast-align -Wconversion -Wctor-dtor-privacy -Werror -Wextra -Wpedantic -Wshadow -Wsign-conversion -Wfloat-equal -Wno-deprecated-declarations -Weverything -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-missing-braces -Wno-covered-switch-default -Wno-global-constructors -Wno-missing-prototypes -Wno-padded -Wno-switch-default -Wno-unknown-attributes -Wno-used-but-marked-unused -Wno-weak-vtables -Wno-unused-member-function -Wno-unused-variable -Wno-unsafe-buffer-usage -MD -MT tests/CMakeFiles/gsl_tests.dir/byte_tests.cpp.o -MF tests/CMakeFiles/gsl_tests.dir/byte_tests.cpp.o.d -o tests/CMakeFiles/gsl_tests.dir/byte_tests.cpp.o -c TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/byte_tests.cpp
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/byte_tests.cpp:37:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   37 | TEST(byte_tests, construction)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/byte_tests.cpp:75:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   75 | TEST(byte_tests, bitwise_operations)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/byte_tests.cpp:111:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  111 | TEST(byte_tests, to_integer)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/byte_tests.cpp:129:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  129 | TEST(byte_tests, aliasing)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
4 errors generated.
[4/15] Building CXX object tests/CMakeFiles/gsl_tests.dir/pointers_tests.cpp.o
FAILED: [code=1] tests/CMakeFiles/gsl_tests.dir/pointers_tests.cpp.o 
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native/usr/bin/aarch64-yoe-linux-musl/aarch64-yoe-linux-musl-clang++ --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -ITMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/include -isystem TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/googletest/googletest/include -target aarch64-yoe-linux-musl  -mcpu=cortex-a57+crc   --dyld-prefix=/usr --dyld-prefix=/usr -Qunused-arguments -fstack-protector-strong  -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security  --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -O2 -g  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/build=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot=  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native=  -pipe -fvisibility-inlines-hidden -Wno-error=unused-value  -Wno-error=switch-default -Wno-error=disabled-macro-expansion -std=c++14 -fno-strict-aliasing -Wall -Wcast-align -Wconversion -Wctor-dtor-privacy -Werror -Wextra -Wpedantic -Wshadow -Wsign-conversion -Wfloat-equal -Wno-deprecated-declarations -Weverything -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-missing-braces -Wno-covered-switch-default -Wno-global-constructors -Wno-missing-prototypes -Wno-padded -Wno-switch-default -Wno-unknown-attributes -Wno-used-but-marked-unused -Wno-weak-vtables -Wno-unused-member-function -Wno-unused-variable -Wno-unsafe-buffer-usage -MD -MT tests/CMakeFiles/gsl_tests.dir/pointers_tests.cpp.o -MF tests/CMakeFiles/gsl_tests.dir/pointers_tests.cpp.o.d -o tests/CMakeFiles/gsl_tests.dir/pointers_tests.cpp.o -c TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/pointers_tests.cpp
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/pointers_tests.cpp:39:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   39 | TEST(pointers_test, swap)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/pointers_tests.cpp:91:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   91 | TEST(pointers_test, member_types)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
2 errors generated.
[5/15] Building CXX object tests/CMakeFiles/gsl_tests.dir/algorithm_tests.cpp.o
FAILED: [code=1] tests/CMakeFiles/gsl_tests.dir/algorithm_tests.cpp.o 
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native/usr/bin/aarch64-yoe-linux-musl/aarch64-yoe-linux-musl-clang++ --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -ITMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/include -isystem TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/googletest/googletest/include -target aarch64-yoe-linux-musl  -mcpu=cortex-a57+crc   --dyld-prefix=/usr --dyld-prefix=/usr -Qunused-arguments -fstack-protector-strong  -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security  --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -O2 -g  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/build=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot=  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native=  -pipe -fvisibility-inlines-hidden -Wno-error=unused-value  -Wno-error=switch-default -Wno-error=disabled-macro-expansion -std=c++14 -fno-strict-aliasing -Wall -Wcast-align -Wconversion -Wctor-dtor-privacy -Werror -Wextra -Wpedantic -Wshadow -Wsign-conversion -Wfloat-equal -Wno-deprecated-declarations -Weverything -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-missing-braces -Wno-covered-switch-default -Wno-global-constructors -Wno-missing-prototypes -Wno-padded -Wno-switch-default -Wno-unknown-attributes -Wno-used-but-marked-unused -Wno-weak-vtables -Wno-unused-member-function -Wno-unused-variable -Wno-unsafe-buffer-usage -MD -MT tests/CMakeFiles/gsl_tests.dir/algorithm_tests.cpp.o -MF tests/CMakeFiles/gsl_tests.dir/algorithm_tests.cpp.o.d -o tests/CMakeFiles/gsl_tests.dir/algorithm_tests.cpp.o -c TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/algorithm_tests.cpp
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/algorithm_tests.cpp:32:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   32 | TEST(algorithm_tests, same_type)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/algorithm_tests.cpp:107:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  107 | TEST(algorithm_tests, compatible_type)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/algorithm_tests.cpp:201:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  201 | TEST(algorithm_tests, small_destination_span)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/algorithm_tests.cpp:217:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  217 |     EXPECT_DEATH(copy(src_span_dyn, dst_span_dyn), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/algorithm_tests.cpp:217:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/algorithm_tests.cpp:218:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  218 |     EXPECT_DEATH(copy(src_span_dyn, dst_span_static), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/algorithm_tests.cpp:218:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/algorithm_tests.cpp:219:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  219 |     EXPECT_DEATH(copy(src_span_static, dst_span_dyn), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/algorithm_tests.cpp:219:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
6 warnings and 3 errors generated.
[6/15] Building CXX object tests/CMakeFiles/gsl_tests.dir/at_tests.cpp.o
FAILED: [code=1] tests/CMakeFiles/gsl_tests.dir/at_tests.cpp.o 
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native/usr/bin/aarch64-yoe-linux-musl/aarch64-yoe-linux-musl-clang++ --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -ITMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/include -isystem TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/googletest/googletest/include -target aarch64-yoe-linux-musl  -mcpu=cortex-a57+crc   --dyld-prefix=/usr --dyld-prefix=/usr -Qunused-arguments -fstack-protector-strong  -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security  --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -O2 -g  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/build=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot=  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native=  -pipe -fvisibility-inlines-hidden -Wno-error=unused-value  -Wno-error=switch-default -Wno-error=disabled-macro-expansion -std=c++14 -fno-strict-aliasing -Wall -Wcast-align -Wconversion -Wctor-dtor-privacy -Werror -Wextra -Wpedantic -Wshadow -Wsign-conversion -Wfloat-equal -Wno-deprecated-declarations -Weverything -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-missing-braces -Wno-covered-switch-default -Wno-global-constructors -Wno-missing-prototypes -Wno-padded -Wno-switch-default -Wno-unknown-attributes -Wno-used-but-marked-unused -Wno-weak-vtables -Wno-unused-member-function -Wno-unused-variable -Wno-unsafe-buffer-usage -MD -MT tests/CMakeFiles/gsl_tests.dir/at_tests.cpp.o -MF tests/CMakeFiles/gsl_tests.dir/at_tests.cpp.o.d -o tests/CMakeFiles/gsl_tests.dir/at_tests.cpp.o -c TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:32:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   32 | TEST(at_tests, static_array)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:49:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
   49 |     EXPECT_DEATH(gsl::at(a, -1), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:49:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:50:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
   50 |     EXPECT_DEATH(gsl::at(a, 4), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:50:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:51:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
   51 |     EXPECT_DEATH(gsl::at(c_a, -1), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:51:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:52:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
   52 |     EXPECT_DEATH(gsl::at(c_a, 4), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:52:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:55:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   55 | TEST(at_tests, std_array)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:72:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
   72 |     EXPECT_DEATH(gsl::at(a, -1), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:72:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:73:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
   73 |     EXPECT_DEATH(gsl::at(a, 4), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:73:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:74:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
   74 |     EXPECT_DEATH(gsl::at(c_a, -1), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:74:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:75:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
   75 |     EXPECT_DEATH(gsl::at(c_a, 4), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:75:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:78:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   78 | TEST(at_tests, std_vector)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:95:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
   95 |     EXPECT_DEATH(gsl::at(a, -1), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:95:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:96:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
   96 |     EXPECT_DEATH(gsl::at(a, 4), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:96:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:97:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
   97 |     EXPECT_DEATH(gsl::at(c_a, -1), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:97:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:98:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
   98 |     EXPECT_DEATH(gsl::at(c_a, 4), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:98:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:101:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  101 | TEST(at_tests, InitializerList)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:117:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  117 |     EXPECT_DEATH(gsl::at(a, -1), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:117:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:118:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  118 |     EXPECT_DEATH(gsl::at(a, 4), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:118:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:119:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  119 |     EXPECT_DEATH(gsl::at({1, 2, 3, 4}, -1), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:119:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:120:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  120 |     EXPECT_DEATH(gsl::at({1, 2, 3, 4}, 4), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/at_tests.cpp:120:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
32 warnings and 4 errors generated.
[7/15] Building CXX object tests/CMakeFiles/gsl_tests.dir/notnull_tests.cpp.o
FAILED: [code=1] tests/CMakeFiles/gsl_tests.dir/notnull_tests.cpp.o 
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native/usr/bin/aarch64-yoe-linux-musl/aarch64-yoe-linux-musl-clang++ --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -ITMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/include -isystem TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/googletest/googletest/include -target aarch64-yoe-linux-musl  -mcpu=cortex-a57+crc   --dyld-prefix=/usr --dyld-prefix=/usr -Qunused-arguments -fstack-protector-strong  -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security  --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -O2 -g  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/build=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot=  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native=  -pipe -fvisibility-inlines-hidden -Wno-error=unused-value  -Wno-error=switch-default -Wno-error=disabled-macro-expansion -std=c++14 -fno-strict-aliasing -Wall -Wcast-align -Wconversion -Wctor-dtor-privacy -Werror -Wextra -Wpedantic -Wshadow -Wsign-conversion -Wfloat-equal -Wno-deprecated-declarations -Weverything -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-missing-braces -Wno-covered-switch-default -Wno-global-constructors -Wno-missing-prototypes -Wno-padded -Wno-switch-default -Wno-unknown-attributes -Wno-used-but-marked-unused -Wno-weak-vtables -Wno-unused-member-function -Wno-unused-variable -Wno-unsafe-buffer-usage -MD -MT tests/CMakeFiles/gsl_tests.dir/notnull_tests.cpp.o -MF tests/CMakeFiles/gsl_tests.dir/notnull_tests.cpp.o.d -o tests/CMakeFiles/gsl_tests.dir/notnull_tests.cpp.o -c TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:175:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  175 | TEST(notnull_tests, TestNotNullConstructors)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:209:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  209 |         EXPECT_DEATH((not_null<decltype(pi)>(pi)), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:209:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:217:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  217 |         EXPECT_DEATH((not_null<std::unique_ptr<int>>(std::unique_ptr<int>{})), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:217:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:274:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  274 |         EXPECT_DEATH(helper(return_pointer()), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:274:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:275:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  275 |         EXPECT_DEATH(helper_const(return_pointer()), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:275:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:299:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  299 | TEST(notnull_tests, TestNotNullostream)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:331:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  331 | TEST(notnull_tests, TestNotNullCasting)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:369:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  369 | TEST(notnull_tests, TestNotNullAssignment)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:382:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  382 |     EXPECT_DEATH(p = not_null<int*>(q), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:382:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:385:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  385 | TEST(notnull_tests, TestNotNullRawPointerComparison)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:413:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  413 | TEST(notnull_tests, TestNotNullDereferenceOperator)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:443:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  443 | TEST(notnull_tests, TestNotNullSharedPtrComparison)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:474:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  474 | TEST(notnull_tests, TestNotNullCustomPtrComparison)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:623:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  623 | TEST(notnull_tests, TestMakeNotNull)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:681:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  681 |         EXPECT_DEATH(workaround_macro(), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:681:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:690:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  690 |         EXPECT_DEATH(workaround_macro(), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:690:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:696:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  696 |         EXPECT_DEATH(helper(make_not_null(p)), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:696:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:697:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  697 |         EXPECT_DEATH(helper_const(make_not_null(p)), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:697:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/notnull_tests.cpp:709:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  709 | TEST(notnull_tests, TestStdHash)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
18 warnings and 10 errors generated.
[8/15] Building CXX object tests/CMakeFiles/gsl_tests.dir/span_compatibility_tests.cpp.o
FAILED: [code=1] tests/CMakeFiles/gsl_tests.dir/span_compatibility_tests.cpp.o 
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native/usr/bin/aarch64-yoe-linux-musl/aarch64-yoe-linux-musl-clang++ --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -ITMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/include -isystem TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/googletest/googletest/include -target aarch64-yoe-linux-musl  -mcpu=cortex-a57+crc   --dyld-prefix=/usr --dyld-prefix=/usr -Qunused-arguments -fstack-protector-strong  -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security  --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -O2 -g  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/build=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot=  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native=  -pipe -fvisibility-inlines-hidden -Wno-error=unused-value  -Wno-error=switch-default -Wno-error=disabled-macro-expansion -std=c++14 -fno-strict-aliasing -Wall -Wcast-align -Wconversion -Wctor-dtor-privacy -Werror -Wextra -Wpedantic -Wshadow -Wsign-conversion -Wfloat-equal -Wno-deprecated-declarations -Weverything -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-missing-braces -Wno-covered-switch-default -Wno-global-constructors -Wno-missing-prototypes -Wno-padded -Wno-switch-default -Wno-unknown-attributes -Wno-used-but-marked-unused -Wno-weak-vtables -Wno-unused-member-function -Wno-unused-variable -Wno-unsafe-buffer-usage -MD -MT tests/CMakeFiles/gsl_tests.dir/span_compatibility_tests.cpp.o -MF tests/CMakeFiles/gsl_tests.dir/span_compatibility_tests.cpp.o.d -o tests/CMakeFiles/gsl_tests.dir/span_compatibility_tests.cpp.o -c TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_compatibility_tests.cpp
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_compatibility_tests.cpp:72:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   72 | TEST(span_compatibility_tests, assertion_tests)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
1 error generated.
[9/15] Building CXX object tests/CMakeFiles/gsl_tests.dir/span_ext_tests.cpp.o
FAILED: [code=1] tests/CMakeFiles/gsl_tests.dir/span_ext_tests.cpp.o 
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native/usr/bin/aarch64-yoe-linux-musl/aarch64-yoe-linux-musl-clang++ --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -ITMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/include -isystem TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/googletest/googletest/include -target aarch64-yoe-linux-musl  -mcpu=cortex-a57+crc   --dyld-prefix=/usr --dyld-prefix=/usr -Qunused-arguments -fstack-protector-strong  -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security  --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -O2 -g  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/build=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot=  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native=  -pipe -fvisibility-inlines-hidden -Wno-error=unused-value  -Wno-error=switch-default -Wno-error=disabled-macro-expansion -std=c++14 -fno-strict-aliasing -Wall -Wcast-align -Wconversion -Wctor-dtor-privacy -Werror -Wextra -Wpedantic -Wshadow -Wsign-conversion -Wfloat-equal -Wno-deprecated-declarations -Weverything -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-missing-braces -Wno-covered-switch-default -Wno-global-constructors -Wno-missing-prototypes -Wno-padded -Wno-switch-default -Wno-unknown-attributes -Wno-used-but-marked-unused -Wno-weak-vtables -Wno-unused-member-function -Wno-unused-variable -Wno-unsafe-buffer-usage -MD -MT tests/CMakeFiles/gsl_tests.dir/span_ext_tests.cpp.o -MF tests/CMakeFiles/gsl_tests.dir/span_ext_tests.cpp.o.d -o tests/CMakeFiles/gsl_tests.dir/span_ext_tests.cpp.o -c TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:32:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   32 | TEST(span_ext_test, make_span_from_pointer_length_constructor)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:60:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
   60 |         EXPECT_DEATH(workaround_macro(), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:60:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:64:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   64 | TEST(span_ext_test, make_span_from_pointer_pointer_construction)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:90:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   90 | TEST(span_ext_test, make_span_from_array_constructor)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:115:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  115 | TEST(span_ext_test, make_span_from_dynamic_array_constructor)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:128:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  128 | TEST(span_ext_test, make_span_from_std_array_constructor)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:157:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  157 | TEST(span_ext_test, make_span_from_const_std_array_constructor)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:168:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  168 | TEST(span_ext_test, make_span_from_std_array_const_constructor)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:179:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  179 | TEST(span_ext_test, make_span_from_container_constructor)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:195:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  195 | TEST(span_test, interop_with_gsl_at)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:215:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  215 |     EXPECT_DEATH(gsl::at(sp, -1), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:215:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:216:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  216 |     EXPECT_DEATH(gsl::at(sp, gsl::narrow_cast<gsl::index>(sp.size())), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:216:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:217:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  217 |     EXPECT_DEATH(gsl::at(csp, -1), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:217:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:218:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  218 |     EXPECT_DEATH(gsl::at(csp, gsl::narrow_cast<gsl::index>(sp.size())), expected);
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:218:5: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:221:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  221 | TEST(span_ext_test, iterator_free_functions)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:251:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  251 | TEST(span_ext_test, ssize_free_function)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_ext_tests.cpp:261:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  261 | TEST(span_ext_test, comparison_operators)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
10 warnings and 12 errors generated.
[10/15] Building CXX object tests/CMakeFiles/gsl_tests.dir/span_tests.cpp.o
FAILED: [code=1] tests/CMakeFiles/gsl_tests.dir/span_tests.cpp.o 
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native/usr/bin/aarch64-yoe-linux-musl/aarch64-yoe-linux-musl-clang++ --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -ITMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/include -isystem TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/googletest/googletest/include -target aarch64-yoe-linux-musl  -mcpu=cortex-a57+crc   --dyld-prefix=/usr --dyld-prefix=/usr -Qunused-arguments -fstack-protector-strong  -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security  --sysroot=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot  -O2 -g  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/build=/usr/src/debug/microsoft-gsl/4.2.0  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot=  -ffile-prefix-map=TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot-native=  -pipe -fvisibility-inlines-hidden -Wno-error=unused-value  -Wno-error=switch-default -Wno-error=disabled-macro-expansion -std=c++14 -fno-strict-aliasing -Wall -Wcast-align -Wconversion -Wctor-dtor-privacy -Werror -Wextra -Wpedantic -Wshadow -Wsign-conversion -Wfloat-equal -Wno-deprecated-declarations -Weverything -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-missing-braces -Wno-covered-switch-default -Wno-global-constructors -Wno-missing-prototypes -Wno-padded -Wno-switch-default -Wno-unknown-attributes -Wno-used-but-marked-unused -Wno-weak-vtables -Wno-unused-member-function -Wno-unused-variable -Wno-unsafe-buffer-usage -MD -MT tests/CMakeFiles/gsl_tests.dir/span_tests.cpp.o -MF tests/CMakeFiles/gsl_tests.dir/span_tests.cpp.o.d -o tests/CMakeFiles/gsl_tests.dir/span_tests.cpp.o -c TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:79:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   79 | TEST(span_test, constructors)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:90:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
   90 | TEST(span_test, constructors_with_extent)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:101:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  101 | TEST(span_test, constructors_with_bracket_init)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:112:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  112 | TEST(span_test, size_optimization)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:121:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  121 | TEST(span_test, from_nullptr_size_constructor)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:142:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  142 |         EXPECT_DEATH(workaround_macro(), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:142:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:146:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  146 |         EXPECT_DEATH(workaround_macro(), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:146:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:149:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  149 |         EXPECT_DEATH(const_workaround_macro(), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:149:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:153:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  153 |         EXPECT_DEATH(workaround_macro(), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:153:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:156:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  156 |         EXPECT_DEATH(const_workaround_macro(), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:156:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:169:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  169 | TEST(span_test, from_pointer_length_constructor)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:219:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  219 |         EXPECT_DEATH(workaround_macro(), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:219:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:223:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  223 | TEST(span_test, from_pointer_pointer_construction)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:285:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  285 | TEST(span_test, from_array_constructor)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:343:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  343 | TEST(span_test, from_dynamic_array_constructor)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:363:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  363 | TEST(span_test, from_std_array_constructor)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:431:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  431 | TEST(span_test, from_const_std_array_constructor)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:470:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  470 | TEST(span_test, from_std_array_const_constructor)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:496:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  496 | TEST(span_test, from_container_constructor)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:568:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  568 | TEST(span_test, from_convertible_span_constructor)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:607:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  607 |         EXPECT_DEATH(T{avd}, expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:607:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:614:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  614 |         EXPECT_DEATH(T{avd}, expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:614:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:633:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  633 | TEST(span_test, copy_move_and_assignment)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:659:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  659 | TEST(span_test, first)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:692:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  692 |         EXPECT_DEATH(av.first(6), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:692:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:702:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  702 | TEST(span_test, last)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:735:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  735 |         EXPECT_DEATH(av.last(6), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:735:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:745:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  745 | TEST(span_test, subspan)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:783:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  783 |         EXPECT_DEATH(av.subspan(0, 6), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:783:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:784:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  784 |         EXPECT_DEATH(av.subspan(1, 5), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:784:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:800:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  800 |         EXPECT_DEATH(av.subspan(6, 0), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:800:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:816:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  816 |         EXPECT_DEATH((av.subspan<1, 0>()), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:816:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:817:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  817 |         EXPECT_DEATH((av.subspan(1, 0)), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:817:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:826:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  826 |         EXPECT_DEATH(av.subspan<1>(), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:826:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:828:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  828 |         EXPECT_DEATH(av.subspan(1), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:828:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:841:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  841 |         EXPECT_DEATH(av.subspan(6), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:841:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:842:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  842 |         EXPECT_DEATH(av.subspan<6>(), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:842:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:859:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
  859 |         EXPECT_DEATH(av.subspan(6), expected);
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:202:9: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  202 |         stderr,                                                              \
      |         ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:859:9: warning: disabled expansion of recursive macro [-Wdisabled-macro-expansion]
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:190:3: note: expanded from macro 'EXPECT_DEATH'
  190 |   EXPECT_EXIT(statement, ::testing::internal::ExitedUnsuccessfully, matcher)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest-death-test.h:179:3: note: expanded from macro 'EXPECT_EXIT'
  179 |   GTEST_DEATH_TEST_(statement, predicate, matcher, GTEST_NONFATAL_FAILURE_)
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:242:11: note: expanded from macro 'GTEST_DEATH_TEST_'
  242 |           GTEST_EXECUTE_DEATH_TEST_STATEMENT_(statement, gtest_dt);            \
      |           ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-death-test-internal.h:207:12: note: expanded from macro 'GTEST_EXECUTE_DEATH_TEST_STATEMENT_'
  207 |     fflush(stderr);                                                          \
      |            ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/stdio.h:68:17: note: expanded from macro 'stderr'
   68 | #define stderr (stderr)
      |                 ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/sources/microsoft-gsl-4.2.0/tests/span_tests.cpp:870:1: error: use of the 'maybe_unused' attribute is a C++17 extension [-Werror,-Wc++17-attribute-extensions]
  870 | TEST(span_test, iterator_default_init)
      | ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2192:42: note: expanded from macro 'TEST'
 2192 | #define TEST(test_suite_name, test_name) GTEST_TEST(test_suite_name, test_name)
      |                                          ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/gtest.h:2186:3: note: expanded from macro 'GTEST_TEST'
 2186 |   GTEST_TEST_(test_suite_name, test_name, ::testing::Test, \
      |   ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-internal.h:1504:5: note: expanded from macro 'GTEST_TEST_'
 1504 |     GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED static ::testing::TestInfo* const    \
      |     ^
TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/recipe-sysroot/usr/include/gtest/internal/gtest-port.h:784:49: note: expanded from macro 'GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED'
  784 | #define GTEST_INTERNAL_ATTRIBUTE_MAYBE_UNUSED [[maybe_unused]]
      |                                                 ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
40 warnings and 20 errors generated.
ninja: build stopped: subcommand failed.
WARNING: TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/temp/run.do_compile.2470136:153 exit 1 from 'eval ${DESTDIR:+DESTDIR=${DESTDIR} } cmake --build 'TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/build' "$@" -- ${EXTRA_OECMAKE_BUILD}'
WARNING: Backtrace (BB generated script): 
	#1: cmake_runcmake_build, TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/temp/run.do_compile.2470136, line 153
	#2: cmake_do_compile, TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/temp/run.do_compile.2470136, line 147
	#3: do_compile, TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/temp/run.do_compile.2470136, line 142
	#4: main, TMPDIR/work/cortexa57-yoe-linux-musl/microsoft-gsl/4.2.0/temp/run.do_compile.2470136, line 166