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agent/src/share/classes/sun/jvm/hotspot/oops/Symbol.java

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@@ -45,11 +45,11 @@
 
   private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
     Type type  = db.lookupType("Symbol");
     length     = type.getCIntegerField("_length");
     baseOffset = type.getField("_body").getOffset();
-    idHash = type.getCIntegerField("_identity_hash");
+    idHash = type.getJShortField("_identity_hash");
   }
 
   // Format:
   //   [header]
   //   [klass ]

@@ -79,13 +79,13 @@
 
   public byte getByteAt(long index) {
     return addr.getJByteAt(baseOffset + index);
   }
 
-  private static CIntegerField idHash;
+  private static JShortField idHash;
 
-  public int identityHash() { return     (int)idHash.getValue(this.addr); }
+  public short identityHash() { return     (short)idHash.getValue(this.addr); }
 
   public boolean equals(byte[] modUTF8Chars) {
     int l = (int) getLength();
     if (l != modUTF8Chars.length) return false;
     while (l-- > 0) {
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