--- old/src/share/vm/opto/library_call.cpp	2012-12-06 21:16:47.282174249 +0100
+++ new/src/share/vm/opto/library_call.cpp	2012-12-06 21:16:47.213174226 +0100
@@ -412,16 +412,16 @@
     break;
 
   case vmIntrinsics::_reverseBytes_c:
-    if (!Matcher::match_rule_supported(Op_ReverseBytesUS)) return false;
+    if (!Matcher::match_rule_supported(Op_ReverseBytesUS)) return NULL;
     break;
   case vmIntrinsics::_reverseBytes_s:
-    if (!Matcher::match_rule_supported(Op_ReverseBytesS))  return false;
+    if (!Matcher::match_rule_supported(Op_ReverseBytesS))  return NULL;
     break;
   case vmIntrinsics::_reverseBytes_i:
-    if (!Matcher::match_rule_supported(Op_ReverseBytesI))  return false;
+    if (!Matcher::match_rule_supported(Op_ReverseBytesI))  return NULL;
     break;
   case vmIntrinsics::_reverseBytes_l:
-    if (!Matcher::match_rule_supported(Op_ReverseBytesL))  return false;
+    if (!Matcher::match_rule_supported(Op_ReverseBytesL))  return NULL;
     break;
 
   case vmIntrinsics::_Reference_get: