--- a/src/share/vm/oops/methodOop.cpp	Sat Jan 09 09:01:41 2010 -0800
+++ b/src/share/vm/oops/methodOop.cpp	Tue Jan 12 13:54:40 2010 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright 1997-2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1997-2010 Sun Microsystems, Inc.  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
@@ -821,6 +821,18 @@
   return pchase;
 }
 
+//------------------------------------------------------------------------------
+// methodOopDesc::is_method_handle_adapter
+//
+// Tests if this method is an internal adapter frame from the
+// MethodHandleCompiler.
+bool methodOopDesc::is_method_handle_adapter() const {
+  return ((name() == vmSymbols::invoke_name() &&
+           method_holder() == SystemDictionary::MethodHandle_klass())
+          ||
+          method_holder() == SystemDictionary::InvokeDynamic_klass());
+}
+
 methodHandle methodOopDesc::make_invoke_method(KlassHandle holder,
                                                symbolHandle signature,
                                                Handle method_type, TRAPS) {