diff --git a/clang/lib/CodeGen/Mangle.h b/clang/lib/CodeGen/Mangle.h
index 0d70948..7f46a10 100644
--- a/clang/lib/CodeGen/Mangle.h
+++ b/clang/lib/CodeGen/Mangle.h
@@ -67,7 +67,7 @@
                        llvm::raw_ostream &os);
   void mangleCXXVTT(MangleContext &Context, const CXXRecordDecl *RD,
                        llvm::raw_ostream &os);
-  void mangleCXXRtti(MangleContext &Context, const Type *T, 
+  void mangleCXXRtti(MangleContext &Context, QualType T, 
                      llvm::raw_ostream &os);
   void mangleCXXCtor(MangleContext &Context, const CXXConstructorDecl *D, 
                      CXXCtorType Type, llvm::raw_ostream &os);