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diff src/share/vm/oops/instanceKlass.hpp @ 17709:f9e35a9dc8c7

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8033792: AltHashing used jint for imprecise bit shifting Summary: AltHashing used jint the way of juint in bit shifting which could lead loss of precision. Fix by change _seed defined as juint. Reviewed-by: coleenp, ccheung Contributed-by: yumin.qi@oracle.com
author minqi
date Mon, 10 Feb 2014 21:29:14 -0800
parents 85318d1fe8fe
children b8413a9cbb84
line wrap: on
line diff
--- a/src/share/vm/oops/instanceKlass.hpp	Wed Mar 05 11:28:33 2014 -0800
+++ b/src/share/vm/oops/instanceKlass.hpp	Mon Feb 10 21:29:14 2014 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2014, 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
@@ -554,6 +554,7 @@
     if (hk == NULL) {
       return NULL;
     } else {
+      assert(*hk != NULL, "host klass should always be set if the address is not null");
       return *hk;
     }
   }