--- old/src/share/vm/runtime/vmStructs.cpp	2015-06-24 13:04:05.567731467 -0700
+++ new/src/share/vm/runtime/vmStructs.cpp	2015-06-24 13:04:05.419724086 -0700
@@ -403,7 +403,7 @@
   nonstatic_field(ObjArrayKlass,               _element_klass,                                Klass*)                                \
   nonstatic_field(ObjArrayKlass,               _bottom_klass,                                 Klass*)                                \
   volatile_nonstatic_field(Symbol,             _refcount,                                     short)                                 \
-  nonstatic_field(Symbol,                      _identity_hash,                                int)                                   \
+  nonstatic_field(Symbol,                      _identity_hash,                                short)                                 \
   nonstatic_field(Symbol,                      _length,                                       unsigned short)                        \
   unchecked_nonstatic_field(Symbol,            _body,                                         sizeof(jbyte)) /* NOTE: no type */     \
   nonstatic_field(TypeArrayKlass,              _max_length,                                   int)                                   \