[clang] [webkit.UncountedLambdaCapturesChecker] Ignore trivial functions and [[clang::noescape]]. (PR #113845)

Thu Oct 31 00:26:46 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-x86_64-gcc-ubuntu` running on `sie-linux-worker3` while building `clang` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/174/builds/7643

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'Clang Tools :: clang-tidy/infrastructure/read_file_config.cpp' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: mkdir -p /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/
+ mkdir -p /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/
RUN: at line 3: cp /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/clang-tools-extra/test/clang-tidy/infrastructure/read_file_config.cpp /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
+ cp /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/clang-tools-extra/test/clang-tidy/infrastructure/read_file_config.cpp /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
RUN: at line 4: echo 'Checks: "-*,modernize-use-nullptr"' > /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/.clang-tidy
+ echo 'Checks: "-*,modernize-use-nullptr"'
RUN: at line 5: echo '[{"command": "cc -c -o test.o test.cpp", "directory": "/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config", "file": "/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp"}]' > /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/compile_commands.json
+ echo '[{"command": "cc -c -o test.o test.cpp", "directory": "/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config", "file": "/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp"}]'
RUN: at line 6: clang-tidy /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp | not grep "warning: .*\[clang-analyzer-deadcode.DeadStores\]$"
+ clang-tidy /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
+ not grep 'warning: .*\[clang-analyzer-deadcode.DeadStores\]$'
RUN: at line 7: clang-tidy -checks="-*,clang-analyzer-*" /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp | grep "warning: .*\[clang-analyzer-deadcode.DeadStores\]$"
+ clang-tidy '-checks=-*,clang-analyzer-*' /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
+ grep 'warning: .*\[clang-analyzer-deadcode.DeadStores\]$'
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0.	Program arguments: clang-tidy -checks=-*,clang-analyzer-* /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
1.	<eof> parser at end of file
 #0 0x0000564fd8ba481f llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/clang-tidy+0x578c81f)
 #1 0x0000564fd8ba1d74 SignalHandler(int) Signals.cpp:0:0
 #2 0x00007f3167473420 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x14420)
 #3 0x0000564fd780f538 clang::Expr::IgnoreParenCasts() (/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/clang-tidy+0x43f7538)
 #4 0x0000564fd5a56c63 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseDeclRefExpr(clang::DeclRefExpr*, llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool, llvm::PointerLikeTypeTraits<clang::Stmt*>, llvm::PointerIntPairInfo<clang::Stmt*, 1u, llvm::PointerLikeTypeTraits<clang::Stmt*>>>>*) UncountedLambdaCapturesChecker.cpp:0:0
 #5 0x0000564fd5a4331b clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::dataTraverseNode(clang::Stmt*, llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool, llvm::PointerLikeTypeTraits<clang::Stmt*>, llvm::PointerIntPairInfo<clang::Stmt*, 1u, llvm::PointerLikeTypeTraits<clang::Stmt*>>>>*) UncountedLambdaCapturesChecker.cpp:0:0
 #6 0x0000564fd5a4b8f9 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseStmt(clang::Stmt*, llvm::SmallVectorImpl<llvm::PointerIntPair<clang::Stmt*, 1u, bool, llvm::PointerLikeTypeTraits<clang::Stmt*>, llvm::PointerIntPairInfo<clang::Stmt*, 1u, llvm::PointerLikeTypeTraits<clang::Stmt*>>>>*) (.constprop.0) UncountedLambdaCapturesChecker.cpp:0:0
 #7 0x0000564fd5a5a048 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseFunctionHelper(clang::FunctionDecl*) UncountedLambdaCapturesChecker.cpp:0:0
 #8 0x0000564fd5a4213f clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseDecl(clang::Decl*) (.part.0) UncountedLambdaCapturesChecker.cpp:0:0
 #9 0x0000564fd5a42f93 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseDeclContextHelper(clang::DeclContext*) (.part.0) UncountedLambdaCapturesChecker.cpp:0:0
#10 0x0000564fd5a65879 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseTranslationUnitDecl(clang::TranslationUnitDecl*) UncountedLambdaCapturesChecker.cpp:0:0
#11 0x0000564fd5a6887e void clang::ento::check::ASTDecl<clang::TranslationUnitDecl>::_checkDecl<(anonymous namespace)::UncountedLambdaCapturesChecker>(void*, clang::Decl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) UncountedLambdaCapturesChecker.cpp:0:0
#12 0x0000564fd5b35de1 clang::ento::CheckerManager::runCheckersOnASTDecl(clang::Decl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) (/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/clang-tidy+0x271dde1)
#13 0x0000564fd5542c1e (anonymous namespace)::AnalysisConsumer::HandleTranslationUnit(clang::ASTContext&) AnalysisConsumer.cpp:0:0
#14 0x0000564fd5e7f980 clang::MultiplexConsumer::HandleTranslationUnit(clang::ASTContext&) (/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/clang-tidy+0x2a67980)
#15 0x0000564fd614374c clang::ParseAST(clang::Sema&, bool, bool) (/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/clang-tidy+0x2d2b74c)
#16 0x0000564fd5e435c9 clang::FrontendAction::Execute() (/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/clang-tidy+0x2a2b5c9)
#17 0x0000564fd5db82de clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/clang-tidy+0x29a02de)
#18 0x0000564fd55095a0 clang::tooling::FrontendActionFactory::runInvocation(std::shared_ptr<clang::CompilerInvocation>, clang::FileManager*, std::shared_ptr<clang::PCHContainerOperations>, clang::DiagnosticConsumer*) (/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/clang-tidy+0x20f15a0)
#19 0x0000564fd54a73e9 clang::tidy::runClangTidy(clang::tidy::ClangTidyContext&, clang::tooling::CompilationDatabase const&, llvm::ArrayRef<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>>, llvm::IntrusiveRefCntPtr<llvm::vfs::OverlayFileSystem>, bool, bool, llvm::StringRef)::ActionFactory::runInvocation(std::shared_ptr<clang::CompilerInvocation>, clang::FileManager*, std::shared_ptr<clang::PCHContainerOperations>, clang::DiagnosticConsumer*) ClangTidy.cpp:0:0
#20 0x0000564fd5500517 clang::tooling::ToolInvocation::runInvocation(char const*, clang::driver::Compilation*, std::shared_ptr<clang::CompilerInvocation>, std::shared_ptr<clang::PCHContainerOperations>) (/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/clang-tidy+0x20e8517)
#21 0x0000564fd5503dc8 clang::tooling::ToolInvocation::run() (/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/clang-tidy+0x20ebdc8)
#22 0x0000564fd55074b1 clang::tooling::ClangTool::run(clang::tooling::ToolAction*) (/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/clang-tidy+0x20ef4b1)
#23 0x0000564fd54b8e96 clang::tidy::runClangTidy(clang::tidy::ClangTidyContext&, clang::tooling::CompilationDatabase const&, llvm::ArrayRef<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>>, llvm::IntrusiveRefCntPtr<llvm::vfs::OverlayFileSystem>, bool, bool, llvm::StringRef) (/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/clang-tidy+0x20a0e96)
#24 0x0000564fd4593b2e clang::tidy::clangTidyMain(int, char const**) (/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/clang-tidy+0x117bb2e)
#25 0x00007f3166f21083 __libc_start_main /build/glibc-LcI20x/glibc-2.31/csu/../csu/libc-start.c:342:3
#26 0x0000564fd458992e _start (/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/clang-tidy+0x117192e)
...

```

</details>

https://github.com/llvm/llvm-project/pull/113845