--- a/hotspot/src/share/vm/classfile/systemDictionary.hpp	Fri Nov 27 07:56:58 2009 -0800
+++ b/hotspot/src/share/vm/classfile/systemDictionary.hpp	Thu Nov 12 09:24:21 2009 -0800
@@ -150,6 +150,7 @@
   template(vector_klass,                 java_util_Vector,               Pre) \
   template(hashtable_klass,              java_util_Hashtable,            Pre) \
   template(stringBuffer_klass,           java_lang_StringBuffer,         Pre) \
+  template(StringBuilder_klass,          java_lang_StringBuilder,        Pre) \
                                                                               \
   /* It's NULL in non-1.4 JDKs. */                                            \
   template(stackTraceElement_klass,      java_lang_StackTraceElement,    Opt) \