protected internal override RegexRunner CreateInstance() {
CompiledRegexRunner runner = new CompiledRegexRunner();
-#if FEATURE_MONO_CAS
+#if MONO_FEATURE_CAS
new ReflectionPermission(PermissionState.Unrestricted).Assert();
#endif
runner.SetDelegates((NoParamDelegate) goMethod.CreateDelegate(typeof(NoParamDelegate)),