src/share/vm/gc_interface/collectedHeap.cpp

*** 480,496 ****
  
    // Test that NULL is not in the heap.
    assert(!heap->is_in(NULL), "NULL is unexpectedly in the heap");
  
    // Test that a pointer to before the heap start is reported as outside the heap.
!   assert(heap->_reserved.start() >= (void*)MinObjAlignment, "sanity");
!   void* before_heap = (void*)((intptr_t)heap->_reserved.start() - MinObjAlignment);
    assert(!heap->is_in(before_heap),
        err_msg("before_heap: " PTR_FORMAT " is unexpectedly in the heap", before_heap));
  
    // Test that a pointer to after the heap end is reported as outside the heap.
!   assert(heap->_reserved.end() <= (void*)(uintptr_t(-1) - (uint)MinObjAlignment), "sanity");
!   void* after_heap = (void*)((intptr_t)heap->_reserved.end() + MinObjAlignment);
    assert(!heap->is_in(after_heap),
        err_msg("after_heap: " PTR_FORMAT " is unexpectedly in the heap", after_heap));
  }
  #endif
--- 480,496 ----
  
    // Test that NULL is not in the heap.
    assert(!heap->is_in(NULL), "NULL is unexpectedly in the heap");
  
    // Test that a pointer to before the heap start is reported as outside the heap.
!   assert(heap->_reserved.start() >= (void*)(uintptr_t)MinObjAlignment, "sanity");
!   void* before_heap = (void*)((uintptr_t)heap->_reserved.start() - MinObjAlignment);
    assert(!heap->is_in(before_heap),
        err_msg("before_heap: " PTR_FORMAT " is unexpectedly in the heap", before_heap));
  
    // Test that a pointer to after the heap end is reported as outside the heap.
!   assert(heap->_reserved.end() <= (void*)(uintptr_t(-1) - MinObjAlignment), "sanity");
!   void* after_heap = (void*)((uintptr_t)heap->_reserved.end() + MinObjAlignment);
    assert(!heap->is_in(after_heap),
        err_msg("after_heap: " PTR_FORMAT " is unexpectedly in the heap", after_heap));
  }
  #endif