Remove distinction between hidden and normal runtime functions

test/mjsunit/runtime-gen/regexpexecrt.js

Index: test/mjsunit/runtime-gen/regexpexecrt.js
diff --git a/test/mjsunit/runtime-gen/stringmatch.js b/test/mjsunit/runtime-gen/regexpexecrt.js
similarity index 65%
copy from test/mjsunit/runtime-gen/stringmatch.js
copy to test/mjsunit/runtime-gen/regexpexecrt.js
index 927a6707b35d77a11ac0438a46529d026095e73d..db874039d32cb574e22de46446f6b2c5b019b630 100644
--- a/test/mjsunit/runtime-gen/stringmatch.js
+++ b/test/mjsunit/runtime-gen/regexpexecrt.js
@@ -1,7 +1,8 @@
 // Copyright 2014 the V8 project authors. All rights reserved.
 // AUTO-GENERATED BY tools/generate-runtime-tests.py, DO NOT MODIFY
 // Flags: --allow-natives-syntax --harmony
-var _subject = "foo";
 var _regexp = /ab/g;
-var arg2 = ['a', 'b'];
-%StringMatch(_subject, _regexp, arg2);
+var _subject = "foo";
+var _index = 1;
+var _last_match_info = new Array();
+%RegExpExecRT(_regexp, _subject, _index, _last_match_info);