[llvm-branch-commits] [clang] [Clang] define memory scopes as a builtin enum (PR #185408)
via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Tue Mar 10 23:50:56 PDT 2026
github-actions[bot] wrote:
<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results
* 138732 tests passed
* 1972 tests skipped
All executed tests passed, but another part of the build **failed**. Click on a failure below to see the details.
<details>
<summary>libc/src/stdlib/CMakeFiles/libc.src.stdlib.rand_util.dir/rand_util.cpp.o</summary>
```
FAILED: libc/src/stdlib/CMakeFiles/libc.src.stdlib.rand_util.dir/rand_util.cpp.o
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -DLIBC_NAMESPACE=__llvm_libc_23_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 -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 -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -fstack-protector-strong -Wall -Wextra -Werror -Wconversion -Wno-sign-conversion -Wdeprecated -Wno-c99-extensions -Wno-gnu-imaginary-constant -Wno-pedantic -Wimplicit-fallthrough -Wwrite-strings -Wextra-semi -Wnewline-eof -Wnonportable-system-include-path -Wstrict-prototypes -Wthread-safety -Wglobal-constructors -MD -MT libc/src/stdlib/CMakeFiles/libc.src.stdlib.rand_util.dir/rand_util.cpp.o -MF libc/src/stdlib/CMakeFiles/libc.src.stdlib.rand_util.dir/rand_util.cpp.o.d -o libc/src/stdlib/CMakeFiles/libc.src.stdlib.rand_util.dir/rand_util.cpp.o -c /home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/stdlib/rand_util.cpp
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/stdlib/rand_util.cpp:9:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/stdlib/rand_util.h:12:
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/CPP/atomic.h:408:32: error: synchronization scope should be of type __memory_scope [-Werror,-Watomic-memory-scope]
408 | static_cast<int>(mem_scope));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
```
</details>
<details>
<summary>libc/src/stdlib/CMakeFiles/libc.src.stdlib.srand.dir/srand.cpp.o</summary>
```
FAILED: libc/src/stdlib/CMakeFiles/libc.src.stdlib.srand.dir/srand.cpp.o
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -DLIBC_NAMESPACE=__llvm_libc_23_0_0_git -I/home/gha/actions-runner/_work/llvm-project/llvm-project/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 -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 -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -fstack-protector-strong -Wall -Wextra -Werror -Wconversion -Wno-sign-conversion -Wdeprecated -Wno-c99-extensions -Wno-gnu-imaginary-constant -Wno-pedantic -Wimplicit-fallthrough -Wwrite-strings -Wextra-semi -Wnewline-eof -Wnonportable-system-include-path -Wstrict-prototypes -Wthread-safety -Wglobal-constructors -DLIBC_COPT_PUBLIC_PACKAGING -UNDEBUG -MD -MT libc/src/stdlib/CMakeFiles/libc.src.stdlib.srand.dir/srand.cpp.o -MF libc/src/stdlib/CMakeFiles/libc.src.stdlib.srand.dir/srand.cpp.o.d -o libc/src/stdlib/CMakeFiles/libc.src.stdlib.srand.dir/srand.cpp.o -c /home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/stdlib/srand.cpp
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/stdlib/srand.cpp:12:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/stdlib/rand_util.h:12:
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/CPP/atomic.h:408:32: error: synchronization scope should be of type __memory_scope [-Werror,-Watomic-memory-scope]
408 | static_cast<int>(mem_scope));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/CPP/atomic.h:135:49: error: synchronization scope should be of type __memory_scope [-Werror,-Watomic-memory-scope]
135 | impl::order(mem_ord), impl::scope(mem_scope));
| ^~~~~~~~~~~~~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/stdlib/srand.cpp:17:13: note: in instantiation of member function '__llvm_libc_23_0_0_git::cpp::Atomic<unsigned long>::store' requested here
17 | rand_next.store(seed, cpp::MemoryOrder::RELAXED);
| ^
2 errors generated.
```
</details>
<details>
<summary>libc/src/stdlib/CMakeFiles/libc.src.stdlib.rand.dir/rand.cpp.o</summary>
```
FAILED: libc/src/stdlib/CMakeFiles/libc.src.stdlib.rand.dir/rand.cpp.o
/home/gha/actions-runner/_work/llvm-project/llvm-project/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -DLIBC_NAMESPACE=__llvm_libc_23_0_0_git -I/home/gha/actions-runner/_work/llvm-project/llvm-project/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 -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 -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -fstack-protector-strong -Wall -Wextra -Werror -Wconversion -Wno-sign-conversion -Wdeprecated -Wno-c99-extensions -Wno-gnu-imaginary-constant -Wno-pedantic -Wimplicit-fallthrough -Wwrite-strings -Wextra-semi -Wnewline-eof -Wnonportable-system-include-path -Wstrict-prototypes -Wthread-safety -Wglobal-constructors -DLIBC_COPT_PUBLIC_PACKAGING -UNDEBUG -MD -MT libc/src/stdlib/CMakeFiles/libc.src.stdlib.rand.dir/rand.cpp.o -MF libc/src/stdlib/CMakeFiles/libc.src.stdlib.rand.dir/rand.cpp.o.d -o libc/src/stdlib/CMakeFiles/libc.src.stdlib.rand.dir/rand.cpp.o -c /home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/stdlib/rand.cpp
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/stdlib/rand.cpp:13:
In file included from /home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/stdlib/rand_util.h:12:
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/CPP/atomic.h:408:32: error: synchronization scope should be of type __memory_scope [-Werror,-Watomic-memory-scope]
408 | static_cast<int>(mem_scope));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/__support/CPP/atomic.h:116:48: error: synchronization scope should be of type __memory_scope [-Werror,-Watomic-memory-scope]
116 | impl::order(mem_ord), impl::scope(mem_scope));
| ^~~~~~~~~~~~~~~~~~~~~~
/home/gha/actions-runner/_work/llvm-project/llvm-project/libc/src/stdlib/rand.cpp:18:34: note: in instantiation of member function '__llvm_libc_23_0_0_git::cpp::Atomic<unsigned long>::load' requested here
18 | unsigned long orig = rand_next.load(cpp::MemoryOrder::RELAXED);
| ^
2 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/185408
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