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[clang] Don't fail ExecuteCompilerInvocation() due to caller errors #158695

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Merged
merged 2 commits into from
Sep 15, 2025
Merged

[clang] Don't fail ExecuteCompilerInvocation() due to caller errors #158695

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[clang] Don't fail `clang::ExecuteCompilerInvocation()` for unrelated…
jansvoboda11 Sep 15, 2025
5200d1a
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jansvoboda11 Sep 15, 2025
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4 changes: 3 additions & 1 deletion clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -210,6 +210,8 @@ CreateFrontendAction(CompilerInstance &CI) {
}

bool ExecuteCompilerInvocation(CompilerInstance *Clang) {
unsigned NumErrorsBefore = Clang->getDiagnostics().getNumErrors();

// Honor -help.
if (Clang->getFrontendOpts().ShowHelp) {
driver::getDriverOptTable().printHelp(
Expand Down Expand Up @@ -293,7 +295,7 @@ bool ExecuteCompilerInvocation(CompilerInstance *Clang) {
#endif

// If there were errors in processing arguments, don't do anything else.
if (Clang->getDiagnostics().hasErrorOccurred())
if (Clang->getDiagnostics().getNumErrors() != NumErrorsBefore)
return false;
// Create and execute the frontend action.
std::unique_ptr<FrontendAction> Act(CreateFrontendAction(*Clang));
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