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-rw-r--r--clang/lib/CodeGen/CGDebugInfo.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp
index 4e0cc3f8574..635a2d06a24 100644
--- a/clang/lib/CodeGen/CGDebugInfo.cpp
+++ b/clang/lib/CodeGen/CGDebugInfo.cpp
@@ -1742,7 +1742,7 @@ 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() : ~1U;
+ uint64_t Signature = Mod.getSignature() ? Mod.getSignature() : ~1UL;
llvm::DIBuilder DIB(CGM.getModule());
DIB.createCompileUnit(TheCU->getSourceLanguage(), Mod.getModuleName(),
Mod.getPath(), TheCU->getProducer(), true,
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