test/hotspot/jtreg/runtime/cds/CDSMapReader.java

*** 295,11 ***
              lineCount = 0;
          }
      }
  
      private static void mustContain(HashMap<Long, HeapObject> allObjects, Field field, long pointer, boolean isNarrow) {
!         if (allObjects.get(pointer) == null) {
              throw new RuntimeException((isNarrow ? "narrowOop" : "oop") + " pointer 0x" + Long.toHexString(pointer) +
                                         " on line " + field.lineCount + " doesn't point to a valid heap object");
          }
      }
  
--- 295,11 ---
              lineCount = 0;
          }
      }
  
      private static void mustContain(HashMap<Long, HeapObject> allObjects, Field field, long pointer, boolean isNarrow) {
!         if (pointer != 0x0 && allObjects.get(pointer) == null) {
              throw new RuntimeException((isNarrow ? "narrowOop" : "oop") + " pointer 0x" + Long.toHexString(pointer) +
                                         " on line " + field.lineCount + " doesn't point to a valid heap object");
          }
      }