kda added a comment.
This has broken sanitizer buildbot:
https://lab.llvm.org/buildbot/#/builders/5/builds/24074
Relevant log snippet:
FAIL: Clang :: OpenMP/atomic_messages.cpp (9696 of 66080)
******************** TEST 'Clang :: OpenMP/atomic_messages.cpp' FAILED
********************
Script:
--
: 'RUN: at line 1';
/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/clang -cc1
-internal-isystem
/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/lib/clang/15.0.0/include
-nostdsysteminc -verify=expected,omp45 -fopenmp -fopenmp-version=45
-ferror-limit 150
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/OpenMP/atomic_messages.cpp
-Wuninitialized
: 'RUN: at line 2';
/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/clang -cc1
-internal-isystem
/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/lib/clang/15.0.0/include
-nostdsysteminc -verify=expected,omp50 -fopenmp -ferror-limit 150
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/OpenMP/atomic_messages.cpp
-Wuninitialized
: 'RUN: at line 3';
/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/clang -cc1
-internal-isystem
/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/lib/clang/15.0.0/include
-nostdsysteminc -DOMP51 -verify=expected,omp50,omp51 -fopenmp
-fopenmp-version=51 -ferror-limit 150
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/OpenMP/atomic_messages.cpp
-Wuninitialized
: 'RUN: at line 5';
/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/clang -cc1
-internal-isystem
/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/lib/clang/15.0.0/include
-nostdsysteminc -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45
-ferror-limit 150
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/OpenMP/atomic_messages.cpp
-Wuninitialized
: 'RUN: at line 6';
/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/clang -cc1
-internal-isystem
/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/lib/clang/15.0.0/include
-nostdsysteminc -verify=expected,omp50 -fopenmp-simd -ferror-limit 150
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/OpenMP/atomic_messages.cpp
-Wuninitialized
: 'RUN: at line 7';
/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/clang -cc1
-internal-isystem
/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/lib/clang/15.0.0/include
-nostdsysteminc -DOMP51 -verify=expected,omp50,omp51 -fopenmp-simd
-fopenmp-version=51 -ferror-limit 150
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/OpenMP/atomic_messages.cpp
-Wuninitialized
--
Exit Code: 1
Command Output (stderr):
--
==75693==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0x561f8672eb0e in (anonymous
namespace)::OpenMPAtomicFailChecker::checkSubClause(llvm::ArrayRef<clang::OMPClause*>,
clang::SourceLocation*)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Sema/SemaOpenMP.cpp:12060:11
#1 0x561f866ef4bc in
clang::Sema::ActOnOpenMPAtomicDirective(llvm::ArrayRef<clang::OMPClause*>,
clang::Stmt*, clang::SourceLocation, clang::SourceLocation)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Sema/SemaOpenMP.cpp:12634:22
#2 0x561f866c0775 in
clang::Sema::ActOnOpenMPExecutableDirective(llvm::omp::Directive,
clang::DeclarationNameInfo const&, llvm::omp::Directive,
llvm::ArrayRef<clang::OMPClause*>, clang::Stmt*, clang::SourceLocation,
clang::SourceLocation)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Sema/SemaOpenMP.cpp:6168:11
#3 0x561f856da291 in
clang::Parser::ParseOpenMPDeclarativeOrExecutableDirective(clang::Parser::ParsedStmtContext,
bool)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseOpenMP.cpp:2922:25
#4 0x561f8553b46f in
clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*,
32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*,
clang::ParsedAttributes&)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseStmt.cpp:413:12
#5 0x561f85537f27 in
clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*,
32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseStmt.cpp:113:20
#6 0x561f85551be1 in clang::Parser::ParseCompoundStatementBody(bool)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseStmt.cpp:1111:11
#7 0x561f85554cfd in
clang::Parser::ParseFunctionStatementBody(clang::Decl*,
clang::Parser::ParseScope&)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseStmt.cpp:2379:21
#8 0x561f854cfa8e in
clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&,
clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/Parser.cpp:1407:10
#9 0x561f855bbc3e in
clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&,
clang::DeclaratorContext, clang::SourceLocation*, clang::Parser::ForRangeInit*)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:2097:27
#10 0x561f854cb272 in
clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributes&,
clang::ParsingDeclSpec&, clang::AccessSpecifier)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/Parser.cpp:1158:10
#11 0x561f854ca0b6 in
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&,
clang::ParsingDeclSpec*, clang::AccessSpecifier)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/Parser.cpp:1172:12
#12 0x561f854c754a in
clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&,
clang::ParsingDeclSpec*)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/Parser.cpp:998:12
#13 0x561f854c0c9a in
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&,
clang::Sema::ModuleImportState&)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/Parser.cpp:727:12
#14 0x561f854ae252 in clang::ParseAST(clang::Sema&, bool, bool)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseAST.cpp:162:20
#15 0x561f8203140d in clang::FrontendAction::Execute()
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Frontend/FrontendAction.cpp:1032:8
#16 0x561f81e8da47 in
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:1036:33
#17 0x561f82278528 in
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:266:25
#18 0x561f79792507 in cc1_main(llvm::ArrayRef<char const*>, char const*,
void*)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/tools/driver/cc1_main.cpp:248:15
#19 0x561f7978b484 in ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&)
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/tools/driver/driver.cpp:317:12
#20 0x561f7978a434 in main
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/tools/driver/driver.cpp:388:12
#21 0x7fada460f09a in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x2409a) (BuildId:
eb6a5dd378d22b1e695984462a799cd4c81cdc22)
#22 0x561f796fa6d9 in _start
(/b/sanitizer-x86_64-linux-fast/build/llvm_build_msan/bin/clang-15+0x480d6d9)
SUMMARY: MemorySanitizer: use-of-uninitialized-value
/b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Sema/SemaOpenMP.cpp:12060:11
in (anonymous
namespace)::OpenMPAtomicFailChecker::checkSubClause(llvm::ArrayRef<clang::OMPClause*>,
clang::SourceLocation*)
Exiting
--
********************
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
********************
Failed Tests (1):
Clang :: OpenMP/atomic_messages.cpp
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D123235/new/
https://reviews.llvm.org/D123235
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