src/share/vm/gc_implementation/parallelScavenge/psPromotionLAB.hpp

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 2015, 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
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -122,10 +122,11 @@
     // The 'new_top>obj' check is needed to detect overflow of obj+size.
     if (new_top > obj && new_top <= end()) {
       set_top(new_top);
       assert(is_object_aligned((intptr_t)obj) && is_object_aligned((intptr_t)new_top),
              "checking alignment");
+      assert(_start_array->covered_region().contains(MemRegion(obj, size)), "Allocated beyond end of covered region");
       _start_array->allocate_block(obj);
       return obj;
     }
 
     return NULL;