diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index cfb9e78..250442c 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -515,11 +515,7 @@
 
 llvm::GlobalValue::LinkageTypes
 CodeGenModule::getFunctionLinkage(GlobalDecl GD) {
-  return getFunctionLinkage(cast<FunctionDecl>(GD.getDecl()));
-}
-
-llvm::GlobalValue::LinkageTypes
-CodeGenModule::getFunctionLinkage(const FunctionDecl *D) {
+  const FunctionDecl *D = cast<FunctionDecl>(GD.getDecl());
   GVALinkage Linkage = getContext().GetGVALinkageForFunction(D);
 
   if (Linkage == GVA_Internal)