diff -r 0206df35882c -r c58dff4e560c jitcraft/Opcodes.cpp
--- a/jitcraft/Opcodes.cpp	Tue Jul 17 21:40:44 2012 -0700
+++ b/jitcraft/Opcodes.cpp	Tue Jul 17 23:05:38 2012 -0700
@@ -201,6 +201,8 @@
           case OP_BITNOT:
           case OP_NOT:
           case OP_NOT_F:
+          case OP_NEG:
+          case OP_NEG_F:
             break;
 
           case OP_STOP: