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

*** 1,7 ****
  /*
!  * Copyright (c) 2001, 2013, 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.
--- 1,7 ----
  /*
!  * Copyright (c) 2001, 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.
*** 63,72 ****
--- 63,73 ----
    HeapWord* allocate_noexpand(size_t word_size) {
      // We assume the heap lock is held here.
      assert_locked_or_safepoint(Heap_lock);
      HeapWord* res = object_space()->allocate(word_size);
      if (res != NULL) {
+       assert(_start_array.covered_region().contains(MemRegion(res, word_size)), "Allocated beyond end of covered region");
        _start_array.allocate_block(res);
      }
      return res;
    }
  
*** 75,84 ****
--- 76,86 ----
    // safe for use at the same time as allocate_noexpand()!
    HeapWord* cas_allocate_noexpand(size_t word_size) {
      assert(SafepointSynchronize::is_at_safepoint(), "Must only be called at safepoint");
      HeapWord* res = object_space()->cas_allocate(word_size);
      if (res != NULL) {
+       assert(_start_array.covered_region().contains(MemRegion(res, word_size)), "Allocated beyond end of covered region");
        _start_array.allocate_block(res);
      }
      return res;
    }