--- a/hotspot/src/share/vm/utilities/exceptions.cpp	Fri Oct 23 14:33:19 2015 +0300
+++ b/hotspot/src/share/vm/utilities/exceptions.cpp	Mon Oct 26 13:11:36 2015 -0400
@@ -502,5 +502,5 @@
       message = java_lang_String::as_utf8_string(msg);
     }
   }
-  debug_check_abort(InstanceKlass::cast(exception()->klass())->external_name(), message);
+  debug_check_abort(exception()->klass()->external_name(), message);
 }