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

Thu Oct 31 00:39:22 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-solaris11-sparcv9` running on `solaris11-sparcv9` while building `clang` at step 5 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/13/builds/3244

<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 /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/
+ mkdir -p /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/
RUN: at line 3: cp /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/llvm/clang-tools-extra/test/clang-tidy/infrastructure/read_file_config.cpp /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
+ cp /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/llvm/clang-tools-extra/test/clang-tidy/infrastructure/read_file_config.cpp /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
RUN: at line 4: echo 'Checks: "-*,modernize-use-nullptr"' > /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/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": "/opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config", "file": "/opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp"}]' > /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/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": "/opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config", "file": "/opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp"}]'
RUN: at line 6: clang-tidy /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp | not grep "warning: .*\[clang-analyzer-deadcode.DeadStores\]$"
+ clang-tidy /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/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-*" /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/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-*' /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
+ grep 'warning: .*\[clang-analyzer-deadcode.DeadStores\]$'
Assertion failed: detail::isPresent(Val) && "dyn_cast on a non-existent value", file /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/llvm/llvm/include/llvm/Support/Casting.h, line 662
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-* /opt/llvm-buildbot/home/solaris11-sparcv9/clang-solaris11-sparcv9/stage1/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
1.	<eof> parser at end of file
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0  clang-tidy 0x0000000105fc04d0 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 36
1  clang-tidy 0x0000000105fc0e24 SignalHandler(int) + 896
2  libc.so.1  0xffffffff7dfc6368 __sighndlr + 12
3  libc.so.1  0xffffffff7dfb8c10 call_user_handler + 1024
4  libc.so.1  0xffffffff7dfb9000 sigacthandler + 208
5  libc.so.1  0xffffffff7dfcb480 __lwp_sigqueue + 8
6  libc.so.1  0xffffffff7dee953c abort + 252
7  libc.so.1  0xffffffff7deea370 _assert + 96
8  clang-tidy 0x0000000103e92040 clang::IgnoreParensSingleStep(clang::Expr*) + 628
9  clang-tidy 0x0000000104c1e6c0 clang::Expr::IgnoreParenCasts() + 8
10 clang-tidy 0x0000000102d566e0 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*>>>>*) + 252
11 clang-tidy 0x0000000102d4af7c 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*>>>>*) + 7620
12 clang-tidy 0x0000000102d6eda8 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseFunctionHelper(clang::FunctionDecl*) + 1468
13 clang-tidy 0x0000000102d41a84 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseFunctionDecl(clang::FunctionDecl*) + 12
14 clang-tidy 0x0000000102d3dcb4 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseDecl(clang::Decl*) + 2032
15 clang-tidy 0x0000000102d3e7dc clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseTranslationUnitDecl(clang::TranslationUnitDecl*) + 524
16 clang-tidy 0x0000000102d3dfa0 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseDecl(clang::Decl*) + 2780
17 clang-tidy 0x0000000102d3d460 void clang::ento::check::ASTDecl<clang::TranslationUnitDecl>::_checkDecl<(anonymous namespace)::UncountedLambdaCapturesChecker>(void*, clang::Decl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) + 76
18 clang-tidy 0x0000000102e4628c clang::ento::CheckerManager::runCheckersOnASTDecl(clang::Decl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) + 464
19 clang-tidy 0x000000010284eae4 (anonymous namespace)::AnalysisConsumer::HandleTranslationUnit(clang::ASTContext&) + 520
20 clang-tidy 0x0000000103155968 clang::MultiplexConsumer::HandleTranslationUnit(clang::ASTContext&) + 36
21 clang-tidy 0x000000010340814c clang::ParseAST(clang::Sema&, bool, bool) + 720
22 clang-tidy 0x00000001030f83e4 clang::ASTFrontendAction::ExecuteAction() + 248
23 clang-tidy 0x00000001030f7b24 clang::FrontendAction::Execute() + 92
24 clang-tidy 0x0000000103056f44 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 1628
...

```

</details>

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