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[6.2][clang][DebugInfo] Handle empty comp_dir in CodeGen #11125

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Merged
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Aug 8, 2025
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[6.2][clang][DebugInfo] Handle empty comp_dir in CodeGen #11125

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3 changes: 3 additions & 0 deletions clang/lib/CodeGen/CGDebugInfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3119,6 +3119,9 @@ llvm::DIModule *CGDebugInfo::getOrCreateModuleRef(ASTSourceDescriptor Mod,
std::string Remapped = remapDIPath(Path);
StringRef Relative(Remapped);
StringRef CompDir = TheCU->getDirectory();
if (CompDir.empty())
return Remapped;

if (Relative.consume_front(CompDir))
Relative.consume_front(llvm::sys::path::get_separator());

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