diff --git a/clang/lib/CodeGen/CGObjC.cpp b/clang/lib/CodeGen/CGObjC.cpp
--- a/clang/lib/CodeGen/CGObjC.cpp
+++ b/clang/lib/CodeGen/CGObjC.cpp
@@ -222,6 +222,7 @@
   QualType ResultType = E->getType();
   const ObjCObjectPointerType *InterfacePointerType
     = ResultType->getAsObjCInterfacePointerType();
+  assert(InterfacePointerType && "Unexpected InterfacePointerType - null");
   ObjCInterfaceDecl *Class
     = InterfacePointerType->getObjectType()->getInterface();
   CGObjCRuntime &Runtime = CGM.getObjCRuntime();