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-rw-r--r--clang/lib/CodeGen/CodeGenModule.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index c8aea635a7e..c8e672a5672 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -3669,6 +3669,10 @@ llvm::GlobalValue::LinkageTypes CodeGenModule::getLLVMLinkageForDeclarator(
return llvm::GlobalVariable::WeakAnyLinkage;
}
+ if (const auto *FD = D->getAsFunction())
+ if (FD->isMultiVersion() && Linkage == GVA_AvailableExternally)
+ return llvm::GlobalVariable::LinkOnceAnyLinkage;
+
// We are guaranteed to have a strong definition somewhere else,
// so we can use available_externally linkage.
if (Linkage == GVA_AvailableExternally)
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