This uses a special set of flags given to unittests to work around warnings raised by googletest and googlemock. This should bring the sanitizer bots back to green.
append_list_if(COMPILER_RT_DEBUG -DSANITIZER_DEBUG=1 COMPILER_RT_UNITTEST_CFLAGS)
append_list_if(COMPILER_RT_HAS_WCOVERED_SWITCH_DEFAULT_FLAG -Wno-covered-switch-default COMPILER_RT_UNITTEST_CFLAGS)
+append_list_if(COMPILER_RT_HAS_WSUGGEST_OVERRIDE_FLAG -Wno-suggest-override COMPILER_RT_UNITTEST_CFLAGS)
if(MSVC)
# gtest use a lot of stuff marked as deprecated on Windows.
check_cxx_compiler_flag("-Werror -Wvariadic-macros" COMPILER_RT_HAS_WVARIADIC_MACROS_FLAG)
check_cxx_compiler_flag("-Werror -Wunused-parameter" COMPILER_RT_HAS_WUNUSED_PARAMETER_FLAG)
check_cxx_compiler_flag("-Werror -Wcovered-switch-default" COMPILER_RT_HAS_WCOVERED_SWITCH_DEFAULT_FLAG)
+check_cxx_compiler_flag("-Werror -Wsuggest-override" COMPILER_RT_HAS_WSUGGEST_OVERRIDE_FLAG)
check_cxx_compiler_flag(-Wno-pedantic COMPILER_RT_HAS_WNO_PEDANTIC)
check_cxx_compiler_flag(/W4 COMPILER_RT_HAS_W4_FLAG)