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

Thu Oct 31 00:20:00 PDT 2024

llvm-ci wrote:

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

Full details are available at: https://lab.llvm.org/buildbot/#/builders/144/builds/10500

<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-sie-ubuntu-fast/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/
+ mkdir -p /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/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-sie-ubuntu-fast/llvm-project/clang-tools-extra/test/clang-tidy/infrastructure/read_file_config.cpp /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
+ cp /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang-tools-extra/test/clang-tidy/infrastructure/read_file_config.cpp /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/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-sie-ubuntu-fast/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-sie-ubuntu-fast/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config", "file": "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp"}]' > /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/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-sie-ubuntu-fast/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config", "file": "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/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-sie-ubuntu-fast/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp | not grep "warning: .*\[clang-analyzer-deadcode.DeadStores\]$"
+ not grep 'warning: .*\[clang-analyzer-deadcode.DeadStores\]$'
+ clang-tidy /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
RUN: at line 7: clang-tidy -checks="-*,clang-analyzer-*" /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp | grep "warning: .*\[clang-analyzer-deadcode.DeadStores\]$"
+ grep 'warning: .*\[clang-analyzer-deadcode.DeadStores\]$'
+ clang-tidy '-checks=-*,clang-analyzer-*' /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
clang-tidy: /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/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-* /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/clang/tools/extra/test/clang-tidy/infrastructure/Output/read-file-config/test.cpp
1.	<eof> parser at end of file
 #0 0x00005781c8be43b0 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/clang-tidy+0x4c043b0)
 #1 0x00005781c8be17bf llvm::sys::RunSignalHandlers() (/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/clang-tidy+0x4c017bf)
 #2 0x00005781c8be1915 SignalHandler(int) Signals.cpp:0:0
 #3 0x000075c1bd92c520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x000075c1bd9809fc __pthread_kill_implementation ./nptl/pthread_kill.c:44:76
 #5 0x000075c1bd9809fc __pthread_kill_internal ./nptl/pthread_kill.c:78:10
 #6 0x000075c1bd9809fc pthread_kill ./nptl/pthread_kill.c:89:10
 #7 0x000075c1bd92c476 gsignal ./signal/../sysdeps/posix/raise.c:27:6
 #8 0x000075c1bd9127f3 abort ./stdlib/abort.c:81:7
 #9 0x000075c1bd91271b _nl_load_domain ./intl/loadmsgcat.c:1177:9
#10 0x000075c1bd923e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#11 0x00005781c6c40187 clang::IgnoreParensSingleStep(clang::Expr*) crtstuff.c:0:0
#12 0x00005781c7816948 clang::Expr::IgnoreParenCasts() (/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/clang-tidy+0x3836948)
#13 0x00005781c5bcaabd 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
#14 0x00005781c5bc32a9 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
#15 0x00005781c5bce2d6 clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseFunctionHelper(clang::FunctionDecl*) UncountedLambdaCapturesChecker.cpp:0:0
#16 0x00005781c5bbc1d5 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
#17 0x00005781c5bcafea 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
#18 0x00005781c5bcdaaa clang::RecursiveASTVisitor<(anonymous namespace)::UncountedLambdaCapturesChecker::checkASTDecl(clang::TranslationUnitDecl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) const::LocalVisitor>::TraverseTranslationUnitDecl(clang::TranslationUnitDecl*) UncountedLambdaCapturesChecker.cpp:0:0
#19 0x00005781c5bd20ff 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
#20 0x00005781c5c80649 clang::ento::CheckerManager::runCheckersOnASTDecl(clang::Decl const*, clang::ento::AnalysisManager&, clang::ento::BugReporter&) (/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/clang-tidy+0x1ca0649)
#21 0x00005781c5724454 (anonymous namespace)::AnalysisConsumer::HandleTranslationUnit(clang::ASTContext&) AnalysisConsumer.cpp:0:0
#22 0x00005781c5fdf170 clang::MultiplexConsumer::HandleTranslationUnit(clang::ASTContext&) (/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/clang-tidy+0x1fff170)
#23 0x00005781c62a30ec clang::ParseAST(clang::Sema&, bool, bool) (/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/clang-tidy+0x22c30ec)
#24 0x00005781c5f9ecc9 clang::FrontendAction::Execute() (/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/clang-tidy+0x1fbecc9)
#25 0x00005781c5f11575 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/clang-tidy+0x1f31575)
...

```

</details>

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