[libc-commits] [libc] [libc][wctype] Implement internal UTF8 wctype classification functions (PR #174607)

[via libc-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

The build failed before running any tests. Click on a failure below to see the details.

<details>
<summary>libc/test/src/__support/libc.test.src.__support.wctype_utils_test.__unit__.__build__</summary>

```
FAILED: libc/test/src/__support/libc.test.src.__support.wctype_utils_test.__unit__.__build__
: && /home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -fuse-ld=lld -Wl,--color-diagnostics    -DLIBC_QSORT_IMPL=LIBC_QSORT_QUICK_SORT -DLIBC_COPT_STRING_LENGTH_IMPL=clang_vector -DLIBC_COPT_FIND_FIRST_CHARACTER_IMPL=word -DLIBC_ADD_NULL_CHECKS -DLIBC_ERRNO_MODE=LIBC_ERRNO_MODE_DEFAULT -DLIBC_THREAD_MODE=LIBC_THREAD_MODE_PLATFORM -DLIBC_CONF_WCTYPE_MODE=LIBC_WCTYPE_MODE_ASCII -DLIBC_COPT_RAW_MUTEX_DEFAULT_SPIN_COUNT=100 -fpie -ffixed-point -Wall -Wextra -Wconversion -Wno-sign-conversion -Wimplicit-fallthrough -Wwrite-strings -Wno-c99-extensions -Wno-gnu-imaginary-constant -Wno-pedantic -Wstrict-prototypes -Wextra-semi -Wnewline-eof -Wnonportable-system-include-path -Wthread-safety -DLIBC_TEST=UNIT libc/test/src/__support/CMakeFiles/libc.test.src.__support.wctype_utils_test.__unit__.__build__.dir/wctype_utils_test.cpp.o -o libc/test/src/__support/libc.test.src.__support.wctype_utils_test.__unit__.__build__  libc/src/errno/CMakeFiles/libc.src.errno.errno.__internal__.dir/./libc_errno.cpp.o  libc/src/__support/StringUtil/CMakeFiles/libc.src.__support.StringUtil.error_to_string.dir/./error_to_string.cpp.o  libc/src/__support/OSUtil/linux/CMakeFiles/libc.src.__support.OSUtil.linux.linux_util.dir/./exit.cpp.o  libc/src/__support/OSUtil/linux/CMakeFiles/libc.src.__support.OSUtil.linux.linux_util.dir/./fcntl.cpp.o  libc/test/UnitTest/libLibcDeathTestExecutors.unit.a  libc/test/UnitTest/libLibcTest.unit.a && :
ld.lld: error: undefined hidden symbol: __llvm_libc_23_0_0_git::LEVEL1
>>> referenced by wctype_utils_test.cpp
>>>               libc/test/src/__support/CMakeFiles/libc.test.src.__support.wctype_utils_test.__unit__.__build__.dir/wctype_utils_test.cpp.o:((anonymous namespace)::LlvmLibcWctypeUtilsTest_IsLowerUtf8::Run())
>>> referenced by wctype_utils_test.cpp
>>>               libc/test/src/__support/CMakeFiles/libc.test.src.__support.wctype_utils_test.__unit__.__build__.dir/wctype_utils_test.cpp.o:((anonymous namespace)::LlvmLibcWctypeUtilsTest_IsLowerUtf8::Run())
>>> referenced by wctype_utils_test.cpp
>>>               libc/test/src/__support/CMakeFiles/libc.test.src.__support.wctype_utils_test.__unit__.__build__.dir/wctype_utils_test.cpp.o:((anonymous namespace)::LlvmLibcWctypeUtilsTest_IsLowerUtf8::Run())
>>> referenced 27 more times

ld.lld: error: undefined hidden symbol: __llvm_libc_23_0_0_git::LEVEL2
>>> referenced by wctype_utils_test.cpp
>>>               libc/test/src/__support/CMakeFiles/libc.test.src.__support.wctype_utils_test.__unit__.__build__.dir/wctype_utils_test.cpp.o:((anonymous namespace)::LlvmLibcWctypeUtilsTest_IsLowerUtf8::Run())
>>> referenced by wctype_utils_test.cpp
>>>               libc/test/src/__support/CMakeFiles/libc.test.src.__support.wctype_utils_test.__unit__.__build__.dir/wctype_utils_test.cpp.o:((anonymous namespace)::LlvmLibcWctypeUtilsTest_IsUpperUtf8::Run())
>>> referenced by wctype_utils_test.cpp
>>>               libc/test/src/__support/CMakeFiles/libc.test.src.__support.wctype_utils_test.__unit__.__build__.dir/wctype_utils_test.cpp.o:((anonymous namespace)::LlvmLibcWctypeUtilsTest_IsAlphaUtf8::Run())
>>> referenced 7 more times
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/174607