[libc-commits] [libc] [llvm] [libc][math] Refactor iscanonical-issignaling-nan family to header-only (PR #195581)
LLVM Continuous Integration via libc-commits
libc-commits at lists.llvm.org
Sun May 3 23:40:00 PDT 2026
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `libc-x86_64-debian-fullbuild-dbg` running on `libc-x86_64-debian-fullbuild` while building `libc,utils` at step 4 "annotate".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/179/builds/46186
<details>
<summary>Here is the relevant piece of the build log for the reference</summary>
```
Step 4 (annotate) failure: 'python ../llvm-zorg/zorg/buildbot/builders/annotated/libc-linux.py ...' (failure)
...
[ OK ] LlvmLibcX86LongDoubleTest.is_nan (125 ms)
Ran 1 tests. PASS: 1 FAIL: 0
[3151/3274] Running unit test libc.test.src.arpa.inet.inet_aton
[==========] Running 2 tests from 1 test suite.
[ RUN ] LlvmLibcInetAton.ValidTest
[ OK ] LlvmLibcInetAton.ValidTest (13 us)
[ RUN ] LlvmLibcInetAton.InvalidTest
[ OK ] LlvmLibcInetAton.InvalidTest (16 us)
Ran 2 tests. PASS: 2 FAIL: 0
[3152/3274] Building CXX object libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__build__.dir/shared_math_constexpr_test.cpp.o
FAILED: libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__build__.dir/shared_math_constexpr_test.cpp.o
/usr/bin/clang++ -DLIBC_NAMESPACE=__llvm_libc_20_0_0_git -D_DEBUG -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/libc -isystem /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/libc/include -fvisibility-inlines-hidden -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 -Wno-comment -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -g -mavx2 -mfma -msse4.2 -D__LIBC_MISC_MATH_BASIC_OPS_OPT -D__LIBC_USE_BUILTIN_FMAX_FMIN -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_COPT_TIMEOUT_ENSURE_MONOTONICITY -DLIBC_CONF_WCTYPE_MODE=LIBC_WCTYPE_MODE_ASCII -DLIBC_COPT_RAW_MUTEX_DEFAULT_SPIN_COUNT=100 -fpie -DLIBC_FULL_BUILD -ffreestanding -fno-exceptions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -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 -Xclang -fconstexpr-steps=1000000 -std=gnu++17 -MD -MT libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__build__.dir/shared_math_constexpr_test.cpp.o -MF libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__build__.dir/shared_math_constexpr_test.cpp.o.d -o libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__build__.dir/shared_math_constexpr_test.cpp.o -c /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc/test/shared/shared_math_constexpr_test.cpp
error: unknown argument: '-fconstexpr-steps=1000000'
[3153/3274] Building CXX object libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_MISC_MATH_BASIC_OPS_OPT.__build__.dir/shared_math_constexpr_test.cpp.o
FAILED: libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_MISC_MATH_BASIC_OPS_OPT.__build__.dir/shared_math_constexpr_test.cpp.o
/usr/bin/clang++ -DLIBC_NAMESPACE=__llvm_libc_20_0_0_git -D_DEBUG -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/libc -isystem /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/libc/include -fvisibility-inlines-hidden -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 -Wno-comment -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -g -mavx2 -mfma -msse4.2 -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_COPT_TIMEOUT_ENSURE_MONOTONICITY -DLIBC_CONF_WCTYPE_MODE=LIBC_WCTYPE_MODE_ASCII -DLIBC_COPT_RAW_MUTEX_DEFAULT_SPIN_COUNT=100 -fpie -DLIBC_FULL_BUILD -ffreestanding -fno-exceptions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -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 -Xclang -fconstexpr-steps=1000000 -std=gnu++17 -MD -MT libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_MISC_MATH_BASIC_OPS_OPT.__build__.dir/shared_math_constexpr_test.cpp.o -MF libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_MISC_MATH_BASIC_OPS_OPT.__build__.dir/shared_math_constexpr_test.cpp.o.d -o libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_MISC_MATH_BASIC_OPS_OPT.__build__.dir/shared_math_constexpr_test.cpp.o -c /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc/test/shared/shared_math_constexpr_test.cpp
error: unknown argument: '-fconstexpr-steps=1000000'
[3154/3274] Running unit test libc.test.src.stdlib.strtoul_test.__unit__
[==========] Running 7 tests from 1 test suite.
[ RUN ] LlvmLibcStrtoulTest.InvalidBase
[ OK ] LlvmLibcStrtoulTest.InvalidBase (5 us)
[ RUN ] LlvmLibcStrtoulTest.CleanBaseTenDecode
[ OK ] LlvmLibcStrtoulTest.CleanBaseTenDecode (10 us)
[ RUN ] LlvmLibcStrtoulTest.MessyBaseTenDecode
[ OK ] LlvmLibcStrtoulTest.MessyBaseTenDecode (8 us)
[ RUN ] LlvmLibcStrtoulTest.DecodeInOtherBases
[ OK ] LlvmLibcStrtoulTest.DecodeInOtherBases (538 ms)
[ RUN ] LlvmLibcStrtoulTest.CleanBaseSixteenDecode
[ OK ] LlvmLibcStrtoulTest.CleanBaseSixteenDecode (12 us)
[ RUN ] LlvmLibcStrtoulTest.MessyBaseSixteenDecode
[ OK ] LlvmLibcStrtoulTest.MessyBaseSixteenDecode (4 us)
[ RUN ] LlvmLibcStrtoulTest.AutomaticBaseSelection
[ OK ] LlvmLibcStrtoulTest.AutomaticBaseSelection (6 us)
Ran 7 tests. PASS: 7 FAIL: 0
[3155/3274] Building CXX object libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_ROUND_OPT.__build__.dir/shared_math_constexpr_test.cpp.o
FAILED: libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_ROUND_OPT.__build__.dir/shared_math_constexpr_test.cpp.o
/usr/bin/clang++ -DLIBC_NAMESPACE=__llvm_libc_20_0_0_git -D_DEBUG -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/libc -isystem /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/libc/include -fvisibility-inlines-hidden -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 -Wno-comment -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -g -mavx2 -mfma -D__LIBC_MISC_MATH_BASIC_OPS_OPT -D__LIBC_USE_BUILTIN_FMAX_FMIN -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_COPT_TIMEOUT_ENSURE_MONOTONICITY -DLIBC_CONF_WCTYPE_MODE=LIBC_WCTYPE_MODE_ASCII -DLIBC_COPT_RAW_MUTEX_DEFAULT_SPIN_COUNT=100 -fpie -DLIBC_FULL_BUILD -ffreestanding -fno-exceptions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -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 -Xclang -fconstexpr-steps=1000000 -std=gnu++17 -MD -MT libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_ROUND_OPT.__build__.dir/shared_math_constexpr_test.cpp.o -MF libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_ROUND_OPT.__build__.dir/shared_math_constexpr_test.cpp.o.d -o libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_ROUND_OPT.__build__.dir/shared_math_constexpr_test.cpp.o -c /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc/test/shared/shared_math_constexpr_test.cpp
error: unknown argument: '-fconstexpr-steps=1000000'
[3156/3274] Building CXX object libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_FMA_OPT.__build__.dir/shared_math_constexpr_test.cpp.o
FAILED: libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_FMA_OPT.__build__.dir/shared_math_constexpr_test.cpp.o
/usr/bin/clang++ -DLIBC_NAMESPACE=__llvm_libc_20_0_0_git -D_DEBUG -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/libc -isystem /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/libc/include -fvisibility-inlines-hidden -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 -Wno-comment -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -g -msse4.2 -D__LIBC_MISC_MATH_BASIC_OPS_OPT -D__LIBC_USE_BUILTIN_FMAX_FMIN -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_COPT_TIMEOUT_ENSURE_MONOTONICITY -DLIBC_CONF_WCTYPE_MODE=LIBC_WCTYPE_MODE_ASCII -DLIBC_COPT_RAW_MUTEX_DEFAULT_SPIN_COUNT=100 -fpie -DLIBC_FULL_BUILD -ffreestanding -fno-exceptions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -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 -Xclang -fconstexpr-steps=1000000 -std=gnu++17 -MD -MT libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_FMA_OPT.__build__.dir/shared_math_constexpr_test.cpp.o -MF libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_FMA_OPT.__build__.dir/shared_math_constexpr_test.cpp.o.d -o libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_FMA_OPT.__build__.dir/shared_math_constexpr_test.cpp.o -c /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc/test/shared/shared_math_constexpr_test.cpp
error: unknown argument: '-fconstexpr-steps=1000000'
[3157/3274] Running unit test libc.test.src.wchar.wcstold_test.__unit__
[==========] Running 9 tests from 1 test suite.
[ RUN ] LlvmLibcWcstoldTest.SimpleTest
[ OK ] LlvmLibcWcstoldTest.SimpleTest (20 us)
[ RUN ] LlvmLibcWcstoldTest.Float64SpecificFailures
[ OK ] LlvmLibcWcstoldTest.Float64SpecificFailures (12 us)
[ RUN ] LlvmLibcWcstoldTest.Float80SpecificFailures
Step 8 (libc-unit-tests) failure: libc-unit-tests (failure)
...
[ OK ] LlvmLibcX86LongDoubleTest.is_nan (125 ms)
Ran 1 tests. PASS: 1 FAIL: 0
[3151/3274] Running unit test libc.test.src.arpa.inet.inet_aton
[==========] Running 2 tests from 1 test suite.
[ RUN ] LlvmLibcInetAton.ValidTest
[ OK ] LlvmLibcInetAton.ValidTest (13 us)
[ RUN ] LlvmLibcInetAton.InvalidTest
[ OK ] LlvmLibcInetAton.InvalidTest (16 us)
Ran 2 tests. PASS: 2 FAIL: 0
[3152/3274] Building CXX object libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__build__.dir/shared_math_constexpr_test.cpp.o
FAILED: libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__build__.dir/shared_math_constexpr_test.cpp.o
/usr/bin/clang++ -DLIBC_NAMESPACE=__llvm_libc_20_0_0_git -D_DEBUG -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/libc -isystem /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/libc/include -fvisibility-inlines-hidden -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 -Wno-comment -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -g -mavx2 -mfma -msse4.2 -D__LIBC_MISC_MATH_BASIC_OPS_OPT -D__LIBC_USE_BUILTIN_FMAX_FMIN -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_COPT_TIMEOUT_ENSURE_MONOTONICITY -DLIBC_CONF_WCTYPE_MODE=LIBC_WCTYPE_MODE_ASCII -DLIBC_COPT_RAW_MUTEX_DEFAULT_SPIN_COUNT=100 -fpie -DLIBC_FULL_BUILD -ffreestanding -fno-exceptions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -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 -Xclang -fconstexpr-steps=1000000 -std=gnu++17 -MD -MT libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__build__.dir/shared_math_constexpr_test.cpp.o -MF libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__build__.dir/shared_math_constexpr_test.cpp.o.d -o libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__build__.dir/shared_math_constexpr_test.cpp.o -c /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc/test/shared/shared_math_constexpr_test.cpp
error: unknown argument: '-fconstexpr-steps=1000000'
[3153/3274] Building CXX object libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_MISC_MATH_BASIC_OPS_OPT.__build__.dir/shared_math_constexpr_test.cpp.o
FAILED: libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_MISC_MATH_BASIC_OPS_OPT.__build__.dir/shared_math_constexpr_test.cpp.o
/usr/bin/clang++ -DLIBC_NAMESPACE=__llvm_libc_20_0_0_git -D_DEBUG -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/libc -isystem /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/libc/include -fvisibility-inlines-hidden -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 -Wno-comment -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -g -mavx2 -mfma -msse4.2 -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_COPT_TIMEOUT_ENSURE_MONOTONICITY -DLIBC_CONF_WCTYPE_MODE=LIBC_WCTYPE_MODE_ASCII -DLIBC_COPT_RAW_MUTEX_DEFAULT_SPIN_COUNT=100 -fpie -DLIBC_FULL_BUILD -ffreestanding -fno-exceptions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -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 -Xclang -fconstexpr-steps=1000000 -std=gnu++17 -MD -MT libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_MISC_MATH_BASIC_OPS_OPT.__build__.dir/shared_math_constexpr_test.cpp.o -MF libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_MISC_MATH_BASIC_OPS_OPT.__build__.dir/shared_math_constexpr_test.cpp.o.d -o libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_MISC_MATH_BASIC_OPS_OPT.__build__.dir/shared_math_constexpr_test.cpp.o -c /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc/test/shared/shared_math_constexpr_test.cpp
error: unknown argument: '-fconstexpr-steps=1000000'
[3154/3274] Running unit test libc.test.src.stdlib.strtoul_test.__unit__
[==========] Running 7 tests from 1 test suite.
[ RUN ] LlvmLibcStrtoulTest.InvalidBase
[ OK ] LlvmLibcStrtoulTest.InvalidBase (5 us)
[ RUN ] LlvmLibcStrtoulTest.CleanBaseTenDecode
[ OK ] LlvmLibcStrtoulTest.CleanBaseTenDecode (10 us)
[ RUN ] LlvmLibcStrtoulTest.MessyBaseTenDecode
[ OK ] LlvmLibcStrtoulTest.MessyBaseTenDecode (8 us)
[ RUN ] LlvmLibcStrtoulTest.DecodeInOtherBases
[ OK ] LlvmLibcStrtoulTest.DecodeInOtherBases (538 ms)
[ RUN ] LlvmLibcStrtoulTest.CleanBaseSixteenDecode
[ OK ] LlvmLibcStrtoulTest.CleanBaseSixteenDecode (12 us)
[ RUN ] LlvmLibcStrtoulTest.MessyBaseSixteenDecode
[ OK ] LlvmLibcStrtoulTest.MessyBaseSixteenDecode (4 us)
[ RUN ] LlvmLibcStrtoulTest.AutomaticBaseSelection
[ OK ] LlvmLibcStrtoulTest.AutomaticBaseSelection (6 us)
Ran 7 tests. PASS: 7 FAIL: 0
[3155/3274] Building CXX object libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_ROUND_OPT.__build__.dir/shared_math_constexpr_test.cpp.o
FAILED: libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_ROUND_OPT.__build__.dir/shared_math_constexpr_test.cpp.o
/usr/bin/clang++ -DLIBC_NAMESPACE=__llvm_libc_20_0_0_git -D_DEBUG -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/libc -isystem /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/libc/include -fvisibility-inlines-hidden -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 -Wno-comment -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -g -mavx2 -mfma -D__LIBC_MISC_MATH_BASIC_OPS_OPT -D__LIBC_USE_BUILTIN_FMAX_FMIN -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_COPT_TIMEOUT_ENSURE_MONOTONICITY -DLIBC_CONF_WCTYPE_MODE=LIBC_WCTYPE_MODE_ASCII -DLIBC_COPT_RAW_MUTEX_DEFAULT_SPIN_COUNT=100 -fpie -DLIBC_FULL_BUILD -ffreestanding -fno-exceptions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -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 -Xclang -fconstexpr-steps=1000000 -std=gnu++17 -MD -MT libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_ROUND_OPT.__build__.dir/shared_math_constexpr_test.cpp.o -MF libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_ROUND_OPT.__build__.dir/shared_math_constexpr_test.cpp.o.d -o libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_ROUND_OPT.__build__.dir/shared_math_constexpr_test.cpp.o -c /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc/test/shared/shared_math_constexpr_test.cpp
error: unknown argument: '-fconstexpr-steps=1000000'
[3156/3274] Building CXX object libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_FMA_OPT.__build__.dir/shared_math_constexpr_test.cpp.o
FAILED: libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_FMA_OPT.__build__.dir/shared_math_constexpr_test.cpp.o
/usr/bin/clang++ -DLIBC_NAMESPACE=__llvm_libc_20_0_0_git -D_DEBUG -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc -I/home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/libc -isystem /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/build/libc/include -fvisibility-inlines-hidden -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 -Wno-comment -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -g -msse4.2 -D__LIBC_MISC_MATH_BASIC_OPS_OPT -D__LIBC_USE_BUILTIN_FMAX_FMIN -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_COPT_TIMEOUT_ENSURE_MONOTONICITY -DLIBC_CONF_WCTYPE_MODE=LIBC_WCTYPE_MODE_ASCII -DLIBC_COPT_RAW_MUTEX_DEFAULT_SPIN_COUNT=100 -fpie -DLIBC_FULL_BUILD -ffreestanding -fno-exceptions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -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 -Xclang -fconstexpr-steps=1000000 -std=gnu++17 -MD -MT libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_FMA_OPT.__build__.dir/shared_math_constexpr_test.cpp.o -MF libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_FMA_OPT.__build__.dir/shared_math_constexpr_test.cpp.o.d -o libc/test/shared/CMakeFiles/libc.test.shared.shared_math_constexpr_test.__unit__.__NO_FMA_OPT.__build__.dir/shared_math_constexpr_test.cpp.o -c /home/llvm-libc-buildbot/buildbot-worker/libc-x86_64-debian-fullbuild/libc-x86_64-debian-fullbuild-dbg/llvm-project/libc/test/shared/shared_math_constexpr_test.cpp
error: unknown argument: '-fconstexpr-steps=1000000'
[3157/3274] Running unit test libc.test.src.wchar.wcstold_test.__unit__
[==========] Running 9 tests from 1 test suite.
[ RUN ] LlvmLibcWcstoldTest.SimpleTest
[ OK ] LlvmLibcWcstoldTest.SimpleTest (20 us)
[ RUN ] LlvmLibcWcstoldTest.Float64SpecificFailures
[ OK ] LlvmLibcWcstoldTest.Float64SpecificFailures (12 us)
[ RUN ] LlvmLibcWcstoldTest.Float80SpecificFailures
```
</details>
https://github.com/llvm/llvm-project/pull/195581
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