--- a/hotspot/src/share/vm/runtime/handles.cpp	Mon Sep 28 15:05:02 2015 +0200
+++ b/hotspot/src/share/vm/runtime/handles.cpp	Tue Sep 29 11:02:08 2015 +0200
@@ -36,7 +36,7 @@
 oop* HandleArea::allocate_handle(oop obj) {
   assert(_handle_mark_nesting > 1, "memory leak: allocating handle outside HandleMark");
   assert(_no_handle_mark_nesting == 0, "allocating handle inside NoHandleMark");
-  assert(obj->is_oop(), err_msg("not an oop: " INTPTR_FORMAT, (intptr_t*) obj));
+  assert(obj->is_oop(), "not an oop: " INTPTR_FORMAT, (intptr_t*) obj);
   return real_allocate_handle(obj);
 }