browneee added inline comments.
================ Comment at: clang/test/SemaCXX/has_unique_object_reps_bitint.cpp:1 +// RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify -std=c++17 -Wno-bitfield-width %s +// expected-no-diagnostics ---------------- This unit test appears to trigger a memory leak: https://lab.llvm.org/buildbot/#/builders/5/builds/24359/steps/15/logs/stdio ``` FAIL: Clang :: SemaCXX/has_unique_object_reps_bitint.cpp (13615 of 66177) ******************** TEST 'Clang :: SemaCXX/has_unique_object_reps_bitint.cpp' FAILED ******************** Script: -- : 'RUN: at line 1'; /b/sanitizer-x86_64-linux-fast/build/llvm_build_asan/bin/clang -cc1 -internal-isystem /b/sanitizer-x86_64-linux-fast/build/llvm_build_asan/lib/clang/15.0.0/include -nostdsysteminc -triple x86_64-unknown-unknown -fsyntax-only -verify -std=c++17 -Wno-bitfield-width /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/test/SemaCXX/has_unique_object_reps_bitint.cpp -- Exit Code: 1 Command Output (stderr): -- ================================================================= ==22556==ERROR: LeakSanitizer: detected memory leaks Direct leak of 1632 byte(s) in 3 object(s) allocated from: #0 0x55cc84e8d6be in malloc /b/s/w/ir/cache/builder/src/third_party/llvm/compiler-rt/lib/asan/asan_malloc_linux.cpp:69:3 #1 0x55cc8c0a417c in safe_malloc /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/include/llvm/Support/MemAlloc.h:26:18 #2 0x55cc8c0a417c in llvm::SmallVectorBase<unsigned int>::grow_pod(void*, unsigned long, unsigned long) /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Support/SmallVector.cpp:126:15 #3 0x55cc94342e34 in grow_pod /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:120:11 #4 0x55cc94342e34 in grow /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:506:41 #5 0x55cc94342e34 in reserveForParamAndGetAddressImpl<llvm::SmallVectorTemplateBase<clang::TemplateArgumentLoc, true> > /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:225:11 #6 0x55cc94342e34 in reserveForParamAndGetAddress /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:511:12 #7 0x55cc94342e34 in push_back /b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:543:23 #8 0x55cc94342e34 in addArgument /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/include/clang/AST/TemplateBase.h:604:15 #9 0x55cc94342e34 in clang::VarTemplateSpecializationDecl::setTemplateArgsInfo(clang::TemplateArgumentListInfo const&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/AST/DeclTemplate.cpp:1341:22 #10 0x55cc937d5b66 in clang::TemplateDeclInstantiator::VisitVarTemplateSpecializationDecl(clang::VarTemplateDecl*, clang::VarDecl*, clang::TemplateArgumentListInfo const&, llvm::ArrayRef<clang::TemplateArgument>, clang::VarTemplateSpecializationDecl*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp:3860:8 #11 0x55cc937e1dd4 in clang::Sema::BuildVarTemplateInstantiation(clang::VarTemplateDecl*, clang::VarDecl*, clang::TemplateArgumentList const&, clang::TemplateArgumentListInfo const&, llvm::SmallVectorImpl<clang::TemplateArgument>&, clang::SourceLocation, llvm::SmallVector<clang::Sema::LateInstantiatedAttribute, 16u>*, clang::LocalInstantiationScope*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp:5135:20 #12 0x55cc933d777d in clang::Sema::CheckVarTemplateId(clang::VarTemplateDecl*, clang::SourceLocation, clang::SourceLocation, clang::TemplateArgumentListInfo const&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Sema/SemaTemplate.cpp:4621:41 #13 0x55cc933daddc in CheckVarTemplateId /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Sema/SemaTemplate.cpp:4657:21 #14 0x55cc933daddc in clang::Sema::BuildTemplateIdExpr(clang::CXXScopeSpec const&, clang::SourceLocation, clang::LookupResult&, bool, clang::TemplateArgumentListInfo const*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Sema/SemaTemplate.cpp:4748:22 #15 0x55cc928ffef3 in clang::Sema::ActOnIdExpression(clang::Scope*, clang::CXXScopeSpec&, clang::SourceLocation, clang::UnqualifiedId&, bool, bool, clang::CorrectionCandidateCallback*, bool, clang::Token*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Sema/SemaExpr.cpp:2728:12 #16 0x55cc91d0e988 in clang::Parser::tryParseCXXIdExpression(clang::CXXScopeSpec&, bool, clang::Token&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseExprCXX.cpp:610:17 #17 0x55cc91d124d9 in clang::Parser::ParseCXXIdExpression(bool) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseExprCXX.cpp:676:7 #18 0x55cc91cdb510 in clang::Parser::ParseCastExpression(clang::Parser::CastParseKind, bool, bool&, clang::Parser::TypeCastState, bool, bool*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseExpr.cpp:1626:11 #19 0x55cc91ce0476 in clang::Parser::ParseCastExpression(clang::Parser::CastParseKind, bool, bool&, clang::Parser::TypeCastState, bool, bool*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseExpr.cpp #20 0x55cc91cd0635 in clang::Parser::ParseCastExpression(clang::Parser::CastParseKind, bool, clang::Parser::TypeCastState, bool, bool*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseExpr.cpp:681:20 #21 0x55cc91cd8160 in clang::Parser::ParseConstantExpressionInExprEvalContext(clang::Parser::TypeCastState) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseExpr.cpp:206:18 #22 0x55cc91d51601 in clang::Parser::ParseStaticAssertDeclaration(clang::SourceLocation&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseDeclCXX.cpp:949:25 #23 0x55cc91dc0cb8 in clang::Parser::ParseDeclaration(clang::DeclaratorContext, clang::SourceLocation&, clang::ParsedAttributes&, clang::SourceLocation*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:1794:18 #24 0x55cc91bdb92e in clang::Parser::ParseExternalDeclaration(clang::ParsedAttributes&, clang::ParsingDeclSpec*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/Parser.cpp:932:14 #25 0x55cc91bd3349 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 #26 0x55cc91bbb01e in clang::ParseAST(clang::Sema&, bool, bool) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Parse/ParseAST.cpp:162:20 #27 0x55cc8e33d5d4 in clang::FrontendAction::Execute() /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Frontend/FrontendAction.cpp:1032:8 #28 0x55cc8e16f390 in clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:1033:33 #29 0x55cc8e5b6b76 in clang::ExecuteCompilerInvocation(clang::CompilerInstance*) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:266:25 #30 0x55cc84edab64 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 #31 0x55cc84ed3890 in ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/tools/driver/driver.cpp:317:12 #32 0x55cc84ed1dfe in main /b/sanitizer-x86_64-linux-fast/build/llvm-project/clang/tools/driver/driver.cpp:388:12 #33 0x7f14563da09a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2409a) (BuildId: eb6a5dd378d22b1e695984462a799cd4c81cdc22) SUMMARY: AddressSanitizer: 1632 byte(s) leaked in 3 allocation(s). ``` 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