[libc-commits] [libc] [libc] Add NEED_MPFR_F128 argument to add_fp_unittest. (PR #215657)

via libc-commits libc-commits at lists.llvm.org
Thu Aug 13 04:44:01 PDT 2026


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/math/smoke/CMakeFiles/libc.test.src.math.smoke.acosbf16_test.__NO_FMA_OPT.__build__.dir/acosbf16_test.cpp.o</summary>

```
FAILED: libc/test/src/math/smoke/CMakeFiles/libc.test.src.math.smoke.acosbf16_test.__NO_FMA_OPT.__build__.dir/acosbf16_test.cpp.o
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -DLIBC_NAMESPACE=__llvm_libc_24_0_0_git -I/home/gha/actions-runner/_work/llvm-project/llvm-project/libc -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/libc -isystem /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/libc/include -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 -Xclang -fno-pch-timestamp -O3 -DNDEBUG -std=gnu++17 -UNDEBUG -D__LIBC_USE_BUILTIN_ISNAN -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 -DLIBC_COPT_HARDENING_MODE=LIBC_HARDENING_MODE_NONE -DLIBC_COPT_SCANF_PROVIDE_ISOC99_ALIASES -DLIBC_TEST_FLOAT_RANGE_COUNT=1231 -DLIBC_TEST_SUBPROCESS_TESTS=1 -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_COMPILER_HAS_STDC_FENV_ACCESS -MD -MT libc/test/src/math/smoke/CMakeFiles/libc.test.src.math.smoke.acosbf16_test.__NO_FMA_OPT.__build__.dir/acosbf16_test.cpp.o -MF libc/test/src/math/smoke/CMakeFiles/libc.test.src.math.smoke.acosbf16_test.__NO_FMA_OPT.__build__.dir/acosbf16_test.cpp.o.d -o libc/test/src/math/smoke/CMakeFiles/libc.test.src.math.smoke.acosbf16_test.__NO_FMA_OPT.__build__.dir/acosbf16_test.cpp.o -c /home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp:43:62: error: no viable conversion from 'double' to 'bfloat16' (aka '__llvm_libc_24_0_0_git::fputil::BFloat16')
43 |     EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::acosbf16(1.0));
|                                                              ^~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const BFloat16 &' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'BFloat16 &&' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:33:34: note: explicit constructor is not a candidate
33 |   LIBC_INLINE constexpr explicit BFloat16(T value)
|                                  ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/math/acosbf16.h:17:28: note: passing argument to parameter 'x' here
17 | bfloat16 acosbf16(bfloat16 x);
|                            ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp:43:62: error: no viable conversion from 'double' to 'bfloat16' (aka '__llvm_libc_24_0_0_git::fputil::BFloat16')
43 |     EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::acosbf16(1.0));
|                                                              ^~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const BFloat16 &' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'BFloat16 &&' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:33:34: note: explicit constructor is not a candidate
33 |   LIBC_INLINE constexpr explicit BFloat16(T value)
|                                  ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/math/acosbf16.h:17:28: note: passing argument to parameter 'x' here
17 | bfloat16 acosbf16(bfloat16 x);
|                            ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp:43:62: error: no viable conversion from 'double' to 'bfloat16' (aka '__llvm_libc_24_0_0_git::fputil::BFloat16')
43 |     EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::acosbf16(1.0));
|                                                              ^~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const BFloat16 &' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'BFloat16 &&' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:33:34: note: explicit constructor is not a candidate
33 |   LIBC_INLINE constexpr explicit BFloat16(T value)
|                                  ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/math/acosbf16.h:17:28: note: passing argument to parameter 'x' here
17 | bfloat16 acosbf16(bfloat16 x);
|                            ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp:43:62: error: no viable conversion from 'double' to 'bfloat16' (aka '__llvm_libc_24_0_0_git::fputil::BFloat16')
43 |     EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::acosbf16(1.0));
|                                                              ^~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const BFloat16 &' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'BFloat16 &&' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:33:34: note: explicit constructor is not a candidate
33 |   LIBC_INLINE constexpr explicit BFloat16(T value)
|                                  ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/math/acosbf16.h:17:28: note: passing argument to parameter 'x' here
17 | bfloat16 acosbf16(bfloat16 x);
|                            ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp:47:56: error: no viable conversion from 'double' to 'bfloat16' (aka '__llvm_libc_24_0_0_git::fputil::BFloat16')
47 |                               LIBC_NAMESPACE::acosbf16(-1.0));
|                                                        ^~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:460:52: note: expanded from macro 'EXPECT_FP_EQ_ALL_ROUNDING'
460 |   EXPECT_FP_EQ_ALL_ROUNDING_SELECTION(__VA_ARGS__)(__VA_ARGS__)
|                                                    ^~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:430:48: note: expanded from macro 'EXPECT_FP_EQ_ALL_ROUNDING_1'
430 |     EXPECT_FP_EQ_ROUNDING_NEAREST((expected), (actual));                       \
|                                                ^~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:401:43: note: expanded from macro 'EXPECT_FP_EQ_ROUNDING_NEAREST'
401 |   EXPECT_FP_EQ_ROUNDING_MODE((expected), (actual), RoundingMode::Nearest)
|                                           ^~~~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:535:29: note: expanded from macro 'EXPECT_THAT'
535 |   LIBC_TEST_MATCH_(MATCHER, MATCH, #MATCHER, #MATCH, )
|                             ^~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:530:51: note: expanded from macro 'LIBC_TEST_MATCH_'
530 |   LIBC_TEST_SCAFFOLDING_(matchAndExplain(MATCHER, MATCH, MATCHER_STR,          \
|                                                   ^~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:433:7: note: expanded from macro 'LIBC_TEST_SCAFFOLDING_'
433 |   if (TEST)                                                                    \
|       ^~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const BFloat16 &' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'BFloat16 &&' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:33:34: note: explicit constructor is not a candidate
33 |   LIBC_INLINE constexpr explicit BFloat16(T value)
|                                  ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/math/acosbf16.h:17:28: note: passing argument to parameter 'x' here
17 | bfloat16 acosbf16(bfloat16 x);
|                            ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp:47:56: error: no viable conversion from 'double' to 'bfloat16' (aka '__llvm_libc_24_0_0_git::fputil::BFloat16')
47 |                               LIBC_NAMESPACE::acosbf16(-1.0));
|                                                        ^~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:460:52: note: expanded from macro 'EXPECT_FP_EQ_ALL_ROUNDING'
460 |   EXPECT_FP_EQ_ALL_ROUNDING_SELECTION(__VA_ARGS__)(__VA_ARGS__)
|                                                    ^~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:431:47: note: expanded from macro 'EXPECT_FP_EQ_ALL_ROUNDING_1'
431 |     EXPECT_FP_EQ_ROUNDING_UPWARD((expected), (actual));                        \
|                                               ^~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:418:43: note: expanded from macro 'EXPECT_FP_EQ_ROUNDING_UPWARD'
418 |   EXPECT_FP_EQ_ROUNDING_MODE((expected), (actual), RoundingMode::Upward)
|                                           ^~~~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:535:29: note: expanded from macro 'EXPECT_THAT'
535 |   LIBC_TEST_MATCH_(MATCHER, MATCH, #MATCHER, #MATCH, )
|                             ^~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:530:51: note: expanded from macro 'LIBC_TEST_MATCH_'
530 |   LIBC_TEST_SCAFFOLDING_(matchAndExplain(MATCHER, MATCH, MATCHER_STR,          \
|                                                   ^~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:433:7: note: expanded from macro 'LIBC_TEST_SCAFFOLDING_'
433 |   if (TEST)                                                                    \
|       ^~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const BFloat16 &' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'BFloat16 &&' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:33:34: note: explicit constructor is not a candidate
33 |   LIBC_INLINE constexpr explicit BFloat16(T value)
|                                  ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/math/acosbf16.h:17:28: note: passing argument to parameter 'x' here
17 | bfloat16 acosbf16(bfloat16 x);
|                            ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp:47:56: error: no viable conversion from 'double' to 'bfloat16' (aka '__llvm_libc_24_0_0_git::fputil::BFloat16')
47 |                               LIBC_NAMESPACE::acosbf16(-1.0));
|                                                        ^~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:460:52: note: expanded from macro 'EXPECT_FP_EQ_ALL_ROUNDING'
460 |   EXPECT_FP_EQ_ALL_ROUNDING_SELECTION(__VA_ARGS__)(__VA_ARGS__)
|                                                    ^~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:432:49: note: expanded from macro 'EXPECT_FP_EQ_ALL_ROUNDING_1'
432 |     EXPECT_FP_EQ_ROUNDING_DOWNWARD((expected), (actual));                      \
|                                                 ^~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:421:43: note: expanded from macro 'EXPECT_FP_EQ_ROUNDING_DOWNWARD'
421 |   EXPECT_FP_EQ_ROUNDING_MODE((expected), (actual), RoundingMode::Downward)
|                                           ^~~~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:535:29: note: expanded from macro 'EXPECT_THAT'
535 |   LIBC_TEST_MATCH_(MATCHER, MATCH, #MATCHER, #MATCH, )
|                             ^~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:530:51: note: expanded from macro 'LIBC_TEST_MATCH_'
530 |   LIBC_TEST_SCAFFOLDING_(matchAndExplain(MATCHER, MATCH, MATCHER_STR,          \
|                                                   ^~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:433:7: note: expanded from macro 'LIBC_TEST_SCAFFOLDING_'
433 |   if (TEST)                                                                    \
|       ^~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const BFloat16 &' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'BFloat16 &&' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:33:34: note: explicit constructor is not a candidate
33 |   LIBC_INLINE constexpr explicit BFloat16(T value)
|                                  ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/math/acosbf16.h:17:28: note: passing argument to parameter 'x' here
17 | bfloat16 acosbf16(bfloat16 x);
|                            ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp:47:56: error: no viable conversion from 'double' to 'bfloat16' (aka '__llvm_libc_24_0_0_git::fputil::BFloat16')
47 |                               LIBC_NAMESPACE::acosbf16(-1.0));
|                                                        ^~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:460:52: note: expanded from macro 'EXPECT_FP_EQ_ALL_ROUNDING'
460 |   EXPECT_FP_EQ_ALL_ROUNDING_SELECTION(__VA_ARGS__)(__VA_ARGS__)
|                                                    ^~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:433:52: note: expanded from macro 'EXPECT_FP_EQ_ALL_ROUNDING_1'
433 |     EXPECT_FP_EQ_ROUNDING_TOWARD_ZERO((expected), (actual));                   \
|                                                    ^~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:424:43: note: expanded from macro 'EXPECT_FP_EQ_ROUNDING_TOWARD_ZERO'
424 |   EXPECT_FP_EQ_ROUNDING_MODE((expected), (actual), RoundingMode::TowardZero)
|                                           ^~~~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:535:29: note: expanded from macro 'EXPECT_THAT'
535 |   LIBC_TEST_MATCH_(MATCHER, MATCH, #MATCHER, #MATCH, )
|                             ^~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:530:51: note: expanded from macro 'LIBC_TEST_MATCH_'
530 |   LIBC_TEST_SCAFFOLDING_(matchAndExplain(MATCHER, MATCH, MATCHER_STR,          \
|                                                   ^~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:433:7: note: expanded from macro 'LIBC_TEST_SCAFFOLDING_'
433 |   if (TEST)                                                                    \
|       ^~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const BFloat16 &' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'BFloat16 &&' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:33:34: note: explicit constructor is not a candidate
33 |   LIBC_INLINE constexpr explicit BFloat16(T value)
|                                  ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/math/acosbf16.h:17:28: note: passing argument to parameter 'x' here
17 | bfloat16 acosbf16(bfloat16 x);
|                            ^
8 errors generated.
```
</details>
<details>
<summary>libc/test/src/math/smoke/CMakeFiles/libc.test.src.math.smoke.acosbf16_test.__build__.dir/acosbf16_test.cpp.o</summary>

```
FAILED: libc/test/src/math/smoke/CMakeFiles/libc.test.src.math.smoke.acosbf16_test.__build__.dir/acosbf16_test.cpp.o
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -DLIBC_NAMESPACE=__llvm_libc_24_0_0_git -I/home/gha/actions-runner/_work/llvm-project/llvm-project/libc -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/libc -isystem /home/gha/actions-runner/_work/llvm-project/llvm-project/build/runtimes/runtimes-bins/libc/include -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 -Xclang -fno-pch-timestamp -O3 -DNDEBUG -std=gnu++17 -UNDEBUG -mavx2 -mfma -D__LIBC_USE_BUILTIN_ISNAN -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 -DLIBC_COPT_HARDENING_MODE=LIBC_HARDENING_MODE_NONE -DLIBC_COPT_SCANF_PROVIDE_ISOC99_ALIASES -DLIBC_TEST_FLOAT_RANGE_COUNT=1231 -DLIBC_TEST_SUBPROCESS_TESTS=1 -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_COMPILER_HAS_STDC_FENV_ACCESS -MD -MT libc/test/src/math/smoke/CMakeFiles/libc.test.src.math.smoke.acosbf16_test.__build__.dir/acosbf16_test.cpp.o -MF libc/test/src/math/smoke/CMakeFiles/libc.test.src.math.smoke.acosbf16_test.__build__.dir/acosbf16_test.cpp.o.d -o libc/test/src/math/smoke/CMakeFiles/libc.test.src.math.smoke.acosbf16_test.__build__.dir/acosbf16_test.cpp.o -c /home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp:43:62: error: no viable conversion from 'double' to 'bfloat16' (aka '__llvm_libc_24_0_0_git::fputil::BFloat16')
43 |     EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::acosbf16(1.0));
|                                                              ^~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const BFloat16 &' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'BFloat16 &&' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:33:34: note: explicit constructor is not a candidate
33 |   LIBC_INLINE constexpr explicit BFloat16(T value)
|                                  ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/math/acosbf16.h:17:28: note: passing argument to parameter 'x' here
17 | bfloat16 acosbf16(bfloat16 x);
|                            ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp:43:62: error: no viable conversion from 'double' to 'bfloat16' (aka '__llvm_libc_24_0_0_git::fputil::BFloat16')
43 |     EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::acosbf16(1.0));
|                                                              ^~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const BFloat16 &' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'BFloat16 &&' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:33:34: note: explicit constructor is not a candidate
33 |   LIBC_INLINE constexpr explicit BFloat16(T value)
|                                  ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/math/acosbf16.h:17:28: note: passing argument to parameter 'x' here
17 | bfloat16 acosbf16(bfloat16 x);
|                            ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp:43:62: error: no viable conversion from 'double' to 'bfloat16' (aka '__llvm_libc_24_0_0_git::fputil::BFloat16')
43 |     EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::acosbf16(1.0));
|                                                              ^~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const BFloat16 &' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'BFloat16 &&' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:33:34: note: explicit constructor is not a candidate
33 |   LIBC_INLINE constexpr explicit BFloat16(T value)
|                                  ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/math/acosbf16.h:17:28: note: passing argument to parameter 'x' here
17 | bfloat16 acosbf16(bfloat16 x);
|                            ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp:43:62: error: no viable conversion from 'double' to 'bfloat16' (aka '__llvm_libc_24_0_0_git::fputil::BFloat16')
43 |     EXPECT_FP_EQ_ALL_ROUNDING(zero, LIBC_NAMESPACE::acosbf16(1.0));
|                                                              ^~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const BFloat16 &' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'BFloat16 &&' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:33:34: note: explicit constructor is not a candidate
33 |   LIBC_INLINE constexpr explicit BFloat16(T value)
|                                  ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/math/acosbf16.h:17:28: note: passing argument to parameter 'x' here
17 | bfloat16 acosbf16(bfloat16 x);
|                            ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp:47:56: error: no viable conversion from 'double' to 'bfloat16' (aka '__llvm_libc_24_0_0_git::fputil::BFloat16')
47 |                               LIBC_NAMESPACE::acosbf16(-1.0));
|                                                        ^~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:460:52: note: expanded from macro 'EXPECT_FP_EQ_ALL_ROUNDING'
460 |   EXPECT_FP_EQ_ALL_ROUNDING_SELECTION(__VA_ARGS__)(__VA_ARGS__)
|                                                    ^~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:430:48: note: expanded from macro 'EXPECT_FP_EQ_ALL_ROUNDING_1'
430 |     EXPECT_FP_EQ_ROUNDING_NEAREST((expected), (actual));                       \
|                                                ^~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:401:43: note: expanded from macro 'EXPECT_FP_EQ_ROUNDING_NEAREST'
401 |   EXPECT_FP_EQ_ROUNDING_MODE((expected), (actual), RoundingMode::Nearest)
|                                           ^~~~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:535:29: note: expanded from macro 'EXPECT_THAT'
535 |   LIBC_TEST_MATCH_(MATCHER, MATCH, #MATCHER, #MATCH, )
|                             ^~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:530:51: note: expanded from macro 'LIBC_TEST_MATCH_'
530 |   LIBC_TEST_SCAFFOLDING_(matchAndExplain(MATCHER, MATCH, MATCHER_STR,          \
|                                                   ^~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:433:7: note: expanded from macro 'LIBC_TEST_SCAFFOLDING_'
433 |   if (TEST)                                                                    \
|       ^~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const BFloat16 &' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'BFloat16 &&' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:33:34: note: explicit constructor is not a candidate
33 |   LIBC_INLINE constexpr explicit BFloat16(T value)
|                                  ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/math/acosbf16.h:17:28: note: passing argument to parameter 'x' here
17 | bfloat16 acosbf16(bfloat16 x);
|                            ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp:47:56: error: no viable conversion from 'double' to 'bfloat16' (aka '__llvm_libc_24_0_0_git::fputil::BFloat16')
47 |                               LIBC_NAMESPACE::acosbf16(-1.0));
|                                                        ^~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:460:52: note: expanded from macro 'EXPECT_FP_EQ_ALL_ROUNDING'
460 |   EXPECT_FP_EQ_ALL_ROUNDING_SELECTION(__VA_ARGS__)(__VA_ARGS__)
|                                                    ^~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:431:47: note: expanded from macro 'EXPECT_FP_EQ_ALL_ROUNDING_1'
431 |     EXPECT_FP_EQ_ROUNDING_UPWARD((expected), (actual));                        \
|                                               ^~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:418:43: note: expanded from macro 'EXPECT_FP_EQ_ROUNDING_UPWARD'
418 |   EXPECT_FP_EQ_ROUNDING_MODE((expected), (actual), RoundingMode::Upward)
|                                           ^~~~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:535:29: note: expanded from macro 'EXPECT_THAT'
535 |   LIBC_TEST_MATCH_(MATCHER, MATCH, #MATCHER, #MATCH, )
|                             ^~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:530:51: note: expanded from macro 'LIBC_TEST_MATCH_'
530 |   LIBC_TEST_SCAFFOLDING_(matchAndExplain(MATCHER, MATCH, MATCHER_STR,          \
|                                                   ^~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:433:7: note: expanded from macro 'LIBC_TEST_SCAFFOLDING_'
433 |   if (TEST)                                                                    \
|       ^~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const BFloat16 &' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'BFloat16 &&' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:33:34: note: explicit constructor is not a candidate
33 |   LIBC_INLINE constexpr explicit BFloat16(T value)
|                                  ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/math/acosbf16.h:17:28: note: passing argument to parameter 'x' here
17 | bfloat16 acosbf16(bfloat16 x);
|                            ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp:47:56: error: no viable conversion from 'double' to 'bfloat16' (aka '__llvm_libc_24_0_0_git::fputil::BFloat16')
47 |                               LIBC_NAMESPACE::acosbf16(-1.0));
|                                                        ^~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:460:52: note: expanded from macro 'EXPECT_FP_EQ_ALL_ROUNDING'
460 |   EXPECT_FP_EQ_ALL_ROUNDING_SELECTION(__VA_ARGS__)(__VA_ARGS__)
|                                                    ^~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:432:49: note: expanded from macro 'EXPECT_FP_EQ_ALL_ROUNDING_1'
432 |     EXPECT_FP_EQ_ROUNDING_DOWNWARD((expected), (actual));                      \
|                                                 ^~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:421:43: note: expanded from macro 'EXPECT_FP_EQ_ROUNDING_DOWNWARD'
421 |   EXPECT_FP_EQ_ROUNDING_MODE((expected), (actual), RoundingMode::Downward)
|                                           ^~~~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:535:29: note: expanded from macro 'EXPECT_THAT'
535 |   LIBC_TEST_MATCH_(MATCHER, MATCH, #MATCHER, #MATCH, )
|                             ^~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:530:51: note: expanded from macro 'LIBC_TEST_MATCH_'
530 |   LIBC_TEST_SCAFFOLDING_(matchAndExplain(MATCHER, MATCH, MATCHER_STR,          \
|                                                   ^~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:433:7: note: expanded from macro 'LIBC_TEST_SCAFFOLDING_'
433 |   if (TEST)                                                                    \
|       ^~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const BFloat16 &' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'BFloat16 &&' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:33:34: note: explicit constructor is not a candidate
33 |   LIBC_INLINE constexpr explicit BFloat16(T value)
|                                  ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/math/acosbf16.h:17:28: note: passing argument to parameter 'x' here
17 | bfloat16 acosbf16(bfloat16 x);
|                            ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/src/math/smoke/acosbf16_test.cpp:47:56: error: no viable conversion from 'double' to 'bfloat16' (aka '__llvm_libc_24_0_0_git::fputil::BFloat16')
47 |                               LIBC_NAMESPACE::acosbf16(-1.0));
|                                                        ^~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:460:52: note: expanded from macro 'EXPECT_FP_EQ_ALL_ROUNDING'
460 |   EXPECT_FP_EQ_ALL_ROUNDING_SELECTION(__VA_ARGS__)(__VA_ARGS__)
|                                                    ^~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:433:52: note: expanded from macro 'EXPECT_FP_EQ_ALL_ROUNDING_1'
433 |     EXPECT_FP_EQ_ROUNDING_TOWARD_ZERO((expected), (actual));                   \
|                                                    ^~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/FPMatcher.h:424:43: note: expanded from macro 'EXPECT_FP_EQ_ROUNDING_TOWARD_ZERO'
424 |   EXPECT_FP_EQ_ROUNDING_MODE((expected), (actual), RoundingMode::TowardZero)
|                                           ^~~~~~
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:535:29: note: expanded from macro 'EXPECT_THAT'
535 |   LIBC_TEST_MATCH_(MATCHER, MATCH, #MATCHER, #MATCH, )
|                             ^~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:530:51: note: expanded from macro 'LIBC_TEST_MATCH_'
530 |   LIBC_TEST_SCAFFOLDING_(matchAndExplain(MATCHER, MATCH, MATCHER_STR,          \
|                                                   ^~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/test/UnitTest/LibcTest.h:433:7: note: expanded from macro 'LIBC_TEST_SCAFFOLDING_'
433 |   if (TEST)                                                                    \
|       ^~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'double' to 'const BFloat16 &' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:27:8: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'double' to 'BFloat16 &&' for 1st argument
27 | struct BFloat16 {
|        ^~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/FPUtil/bfloat16.h:33:34: note: explicit constructor is not a candidate
33 |   LIBC_INLINE constexpr explicit BFloat16(T value)
|                                  ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/math/acosbf16.h:17:28: note: passing argument to parameter 'x' here
17 | bfloat16 acosbf16(bfloat16 x);
|                            ^
8 errors generated.
```
</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/215657


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