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-rw-r--r--llvm/lib/LTO/ThinLTOCodeGenerator.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/LTO/ThinLTOCodeGenerator.cpp b/llvm/lib/LTO/ThinLTOCodeGenerator.cpp
index ffd78dad922..d6e5d4d0c21 100644
--- a/llvm/lib/LTO/ThinLTOCodeGenerator.cpp
+++ b/llvm/lib/LTO/ThinLTOCodeGenerator.cpp
@@ -535,7 +535,9 @@ static void initTMBuilder(TargetMachineBuilder &TMBuilder,
} // end anonymous namespace
void ThinLTOCodeGenerator::addModule(StringRef Identifier, StringRef Data) {
- ThinLTOBuffer Buffer(Data, Identifier);
+ std::string Id =
+ (Twine(Identifier) + "_" + std::to_string(Modules.size())).str();
+ ThinLTOBuffer Buffer(Data, std::move(Id));
LLVMContext Context;
StringRef TripleStr;
ErrorOr<std::string> TripleOrErr = expectedToErrorOrAndEmitErrors(
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