diff --git a/lib/CodeGen/CodeGenFunction.cpp b/lib/CodeGen/CodeGenFunction.cpp
index b46d24a..322f8bf 100644
--- a/lib/CodeGen/CodeGenFunction.cpp
+++ b/lib/CodeGen/CodeGenFunction.cpp
@@ -171,7 +171,7 @@
   if (CGDebugInfo *DI = CGM.getDebugInfo()) {
     DI->setLocation(StartLoc);
     if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
-      DI->EmitFunctionStart(FD->getIdentifier()->getName(),
+      DI->EmitFunctionStart(CGM.getMangledName(FD)->getName(),
                             RetTy, CurFn, Builder);
     } else {
       // Just use LLVM function name.