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

*** 1,7 ****
  /*
!  * Copyright (c) 2002, 2010, 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) 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.
*** 150,164 ****
  }
  
  bool PSOldPromotionLAB::lab_is_valid(MemRegion lab) {
    ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
    assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity");
!   assert(_start_array->covered_region().contains(lab), "Sanity");
  
    PSOldGen* old_gen = heap->old_gen();
    MemRegion used = old_gen->object_space()->used_region();
  
    if (used.contains(lab)) {
      return true;
    }
  
    return false;
--- 150,175 ----
  }
  
  bool PSOldPromotionLAB::lab_is_valid(MemRegion lab) {
    ParallelScavengeHeap* heap = (ParallelScavengeHeap*)Universe::heap();
    assert(heap->kind() == CollectedHeap::ParallelScavengeHeap, "Sanity");
!   MemRegion covered_region = _start_array->covered_region();
  
    PSOldGen* old_gen = heap->old_gen();
    MemRegion used = old_gen->object_space()->used_region();
  
+   assert(covered_region.contains(lab),
+          err_msg("Sanity - covered_region [ "PTR_FORMAT", "PTR_FORMAT" ], "
+                  "lab [ "PTR_FORMAT", "PTR_FORMAT" ], "
+                  "object space [ "PTR_FORMAT", "PTR_FORMAT" ]",
+                  p2i(covered_region.start()),
+                  p2i(covered_region.end()),
+                  p2i(lab.start()),
+                  p2i(lab.end()),
+                  p2i(used.start()),
+                  p2i(used.end())));
+ 
    if (used.contains(lab)) {
      return true;
    }
  
    return false;