--- old/src/share/vm/code/debugInfo.cpp	2017-08-17 11:29:06.800053746 -0400
+++ new/src/share/vm/code/debugInfo.cpp	2017-08-17 11:29:06.482491764 -0400
@@ -48,7 +48,7 @@
 
 oop DebugInfoReadStream::read_oop() {
   oop o = code()->oop_at(read_int());
-  assert(o->is_oop_or_null(), "oop only");
+  assert(oopDesc::is_oop_or_null(o), "oop only");
   return o;
 }