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

Thu Oct 31 00:24:03 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-m68k-linux-cross` running on `suse-gary-m68k-cross` while building `clang` at step 5 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/27/builds/1295

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

```
Step 5 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'Clang Tools :: clang-tidy/infrastructure/read_file_config.cpp' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: mkdir -p /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/
+ mkdir -p /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/
RUN: at line 3: cp /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang-tools-extra/test/clang-tidy/infrastructure/read_file_config.cpp /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
+ cp /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/clang-tools-extra/test/clang-tidy/infrastructure/read_file_config.cpp /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
RUN: at line 4: echo 'Checks: "-*,modernize-use-nullptr"' > /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/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": "/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config", "file": "/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp"}]' > /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/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": "/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config", "file": "/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp"}]'
RUN: at line 6: clang-tidy /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp | not grep "warning: .*\[clang-analyzer-deadcode.DeadStores\]$"
+ clang-tidy /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/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-*" /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/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-*' /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
+ grep 'warning: .*\[clang-analyzer-deadcode.DeadStores\]$'
clang-tidy: /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/llvm/llvm/include/llvm/Support/Casting.h:662: decltype(auto) llvm::dyn_cast(From*) [with To = clang::ParenExpr; From = clang::Expr]: Assertion `detail::isPresent(Val) && "dyn_cast on a non-existent value"' failed.
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-* /var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
1.	<eof> parser at end of file
 #0 0x00000000053e35fb llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/clang-tidy+0x53e35fb)
 #1 0x00000000053e069b SignalHandler(int) Signals.cpp:0:0
 #2 0x00007f51d6a41580 __restore_rt (/lib64/libc.so.6+0x41580)
 #3 0x00007f51d6a9a25c __pthread_kill_implementation (/lib64/libc.so.6+0x9a25c)
 #4 0x00007f51d6a414b6 gsignal (/lib64/libc.so.6+0x414b6)
 #5 0x00007f51d6a2891a abort (/lib64/libc.so.6+0x2891a)
 #6 0x00007f51d6a2882e _nl_load_domain.cold (/lib64/libc.so.6+0x2882e)
 #7 0x00007f51d6a392d6 (/lib64/libc.so.6+0x392d6)
 #8 0x000000000328e600 clang::IgnoreParensSingleStep(clang::Expr*) (/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/clang-tidy+0x328e600)
 #9 0x0000000003e6127c clang::Expr::IgnoreParenCasts() (/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/clang-tidy+0x3e6127c)
#10 0x00000000021e95fd 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
#11 0x00000000021de3ed 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
#12 0x00000000021ea546 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseFunctionHelper(clang::FunctionDecl*) UncountedLambdaCapturesChecker.cpp:0:0
#13 0x00000000021d9a83 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseDecl(clang::Decl*) UncountedLambdaCapturesChecker.cpp:0:0
#14 0x00000000021da5da clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseDeclContextHelper(clang::DeclContext*) UncountedLambdaCapturesChecker.cpp:0:0
#15 0x00000000021e6037 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseTranslationUnitDecl(clang::TranslationUnitDecl*) UncountedLambdaCapturesChecker.cpp:0:0
#16 0x00000000021ec695 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
#17 0x00000000022971d0 clang::ento::CheckerManager::runCheckersOnASTDecl(clang::Decl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) (/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/clang-tidy+0x22971d0)
#18 0x0000000001d61eeb (anonymous namespace)::AnalysisConsumer::HandleTranslationUnit(clang::ASTContext&) AnalysisConsumer.cpp:0:0
#19 0x0000000002600da0 clang::MultiplexConsumer::HandleTranslationUnit(clang::ASTContext&) (/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/clang-tidy+0x2600da0)
#20 0x00000000028ee5ac clang::ParseAST(clang::Sema&, bool, bool) (/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/clang-tidy+0x28ee5ac)
#21 0x00000000025c0439 clang::FrontendAction::Execute() (/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/clang-tidy+0x25c0439)
#22 0x0000000002536e6e clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/clang-tidy+0x2536e6e)
#23 0x0000000001d3463d clang::tooling::FrontendActionFactory::runInvocation(std::shared_ptr<clang::CompilerInvocation>, clang::FileManager*, std::shared_ptr<clang::PCHContainerOperations>, clang::DiagnosticConsumer*) (/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/clang-tidy+0x1d3463d)
#24 0x0000000001cc8fd4 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
#25 0x0000000001d2bb0c clang::tooling::ToolInvocation::runInvocation(char const*, clang::driver::Compilation*, std::shared_ptr<clang::CompilerInvocation>, std::shared_ptr<clang::PCHContainerOperations>) (/var/lib/buildbot/workers/suse-gary-m68k-cross/clang-m68k-linux-cross/stage1/bin/clang-tidy+0x1d2bb0c)
...

```

</details>

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