diff options
Diffstat (limited to 'clang/lib/CodeGen/CGDebugInfo.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGDebugInfo.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp index d8638c6f8d7..05987be8455 100644 --- a/clang/lib/CodeGen/CGDebugInfo.cpp +++ b/clang/lib/CodeGen/CGDebugInfo.cpp @@ -2053,7 +2053,11 @@ CGDebugInfo::getOrCreateModuleRef(ExternalASTSource::ASTSourceDescriptor Mod, if (CreateSkeletonCU && IsRootModule) { // PCH files don't have a signature field in the control block, // but LLVM detects skeleton CUs by looking for a non-zero DWO id. - uint64_t Signature = Mod.getSignature() ? Mod.getSignature() : ~1ULL; + // We use the lower 64 bits for debug info. + uint64_t Signature = + Mod.getSignature() + ? (uint64_t)Mod.getSignature()[1] << 32 | Mod.getSignature()[0] + : ~1ULL; llvm::DIBuilder DIB(CGM.getModule()); DIB.createCompileUnit(TheCU->getSourceLanguage(), DIB.createFile(Mod.getModuleName(), Mod.getPath()), |
