--- old/src/hotspot/cpu/x86/frame_x86.cpp	2018-07-25 11:34:46.304775600 -0400
+++ new/src/hotspot/cpu/x86/frame_x86.cpp	2018-07-25 11:34:45.899227885 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -526,7 +526,7 @@
   Method* m = *interpreter_frame_method_addr();
 
   // validate the method we'd find in this potential sender
-  if (!m->is_valid_method()) return false;
+  if (!Method::is_valid_method(m)) return false;
 
   // stack frames shouldn't be much larger than max_stack elements
   // this test requires the use the unextended_sp which is the sp as seen by