diff --git a/lib/CodeGen/CodeGenTypes.h b/lib/CodeGen/CodeGenTypes.h
index 7c0fb81..7682f2a 100644
--- a/lib/CodeGen/CodeGenTypes.h
+++ b/lib/CodeGen/CodeGenTypes.h
@@ -138,7 +138,7 @@
   /// GetFunctionTypeForVTable - Get the LLVM function type for use in a vtable,
   /// given a CXXMethodDecl. If the method to has an incomplete return type,
   /// and/or incomplete argument types, this will return the opaque type.
-  const llvm::Type *GetFunctionTypeForVTable(GlobalDecl GD);
+  llvm::Type *GetFunctionTypeForVTable(GlobalDecl GD);
 
   const CGRecordLayout &getCGRecordLayout(const RecordDecl*);