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

Thu Oct 31 00:21:21 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-aarch64-quick` running on `linaro-clang-aarch64-quick` while building `clang` at step 5 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/65/builds/6967

<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 /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/
+ mkdir -p /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/
RUN: at line 3: cp /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang-tools-extra/test/clang-tidy/infrastructure/read_file_config.cpp /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
+ cp /home/tcwg-buildbot/worker/clang-aarch64-quick/llvm/clang-tools-extra/test/clang-tidy/infrastructure/read_file_config.cpp /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
RUN: at line 4: echo 'Checks: "-*,modernize-use-nullptr"' > /home/tcwg-buildbot/worker/clang-aarch64-quick/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": "/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config", "file": "/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp"}]' > /home/tcwg-buildbot/worker/clang-aarch64-quick/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": "/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config", "file": "/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp"}]'
RUN: at line 6: clang-tidy /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp | not grep "warning: .*\[clang-analyzer-deadcode.DeadStores\]$"
+ clang-tidy /home/tcwg-buildbot/worker/clang-aarch64-quick/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-*" /home/tcwg-buildbot/worker/clang-aarch64-quick/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-*' /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
+ grep 'warning: .*\[clang-analyzer-deadcode.DeadStores\]$'
clang-tidy: ../llvm/llvm/include/llvm/Support/Casting.h:662: decltype(auto) llvm::dyn_cast(From *) [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-* /home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
1.	<eof> parser at end of file
 #0 0x0000aaaab8efa0cc llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/clang-tidy+0x450d0cc)
 #1 0x0000aaaab8ef7f3c llvm::sys::RunSignalHandlers() (/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/clang-tidy+0x450af3c)
 #2 0x0000aaaab8efa95c SignalHandler(int) Signals.cpp:0:0
 #3 0x0000ffff9854d598 (linux-vdso.so.1+0x598)
 #4 0x0000ffff980af200 __pthread_kill_implementation ./nptl/pthread_kill.c:44:76
 #5 0x0000ffff9806a67c gsignal ./signal/../sysdeps/posix/raise.c:27:6
 #6 0x0000ffff98057130 abort ./stdlib/abort.c:81:7
 #7 0x0000ffff98063fd0 __assert_fail_base ./assert/assert.c:89:7
 #8 0x0000ffff98064040 __assert_perror_fail ./assert/assert-perr.c:31:1
 #9 0x0000aaaab7312570 clang::IgnoreParensSingleStep(clang::Expr*) (/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/clang-tidy+0x2925570)
#10 0x0000aaaab7e55070 clang::Expr::IgnoreParenCasts() (/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/clang-tidy+0x3468070)
#11 0x0000aaaab6509a04 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
#12 0x0000aaaab64ff010 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*>>>>*) UncountedLambdaCapturesChecker.cpp:0:0
#13 0x0000aaaab651f624 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseFunctionHelper(clang::FunctionDecl*) UncountedLambdaCapturesChecker.cpp:0:0
#14 0x0000aaaab64f8b80 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseFunctionDecl(clang::FunctionDecl*) UncountedLambdaCapturesChecker.cpp:0:0
#15 0x0000aaaab64f5e88 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseDecl(clang::Decl*) UncountedLambdaCapturesChecker.cpp:0:0
#16 0x0000aaaab64f6248 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseTranslationUnitDecl(clang::TranslationUnitDecl*) UncountedLambdaCapturesChecker.cpp:0:0
#17 0x0000aaaab64f58a4 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseDecl(clang::Decl*) UncountedLambdaCapturesChecker.cpp:0:0
#18 0x0000aaaab64f56ec 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
#19 0x0000aaaab65d5ed8 clang::ento::CheckerManager::runCheckersOnASTDecl(clang::Decl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) (/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/clang-tidy+0x1be8ed8)
#20 0x0000aaaab610848c (anonymous namespace)::AnalysisConsumer::HandleTranslationUnit(clang::ASTContext&) AnalysisConsumer.cpp:0:0
#21 0x0000aaaab6860d4c clang::MultiplexConsumer::HandleTranslationUnit(clang::ASTContext&) (/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/clang-tidy+0x1e73d4c)
#22 0x0000aaaab6a6e370 clang::ParseAST(clang::Sema&, bool, bool) (/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/clang-tidy+0x2081370)
#23 0x0000aaaab681ef40 clang::FrontendAction::Execute() (/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/clang-tidy+0x1e31f40)
#24 0x0000aaaab67a2aec clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/clang-tidy+0x1db5aec)
#25 0x0000aaaab60fc3bc clang::tooling::FrontendActionFactory::runInvocation(std::shared_ptr<clang::CompilerInvocation>, clang::FileManager*, std::shared_ptr<clang::PCHContainerOperations>, clang::DiagnosticConsumer*) (/home/tcwg-buildbot/worker/clang-aarch64-quick/stage1/bin/clang-tidy+0x170f3bc)
...

```

</details>

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