diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index a3a9e61..89e6490 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -1204,7 +1204,7 @@
 void CodeGenModule::EmitGlobalFunctionDefinition(GlobalDecl GD) {
   const FunctionDecl *D = cast<FunctionDecl>(GD.getDecl());
   const llvm::FunctionType *Ty = getTypes().GetFunctionType(GD);
-
+  getMangleContext().mangleInitDiscriminator();
   // Get or create the prototype for the function.
   llvm::Constant *Entry = GetAddrOfFunction(GD, Ty);