[regexp] Fix non-match and max match length in RegExpCharacterClass.

test/mjsunit/regress/regress-crbug-605862.js

Index: test/mjsunit/regress/regress-crbug-605862.js
diff --git a/test/message/regress/regress-4829-1.js b/test/mjsunit/regress/regress-crbug-605862.js
similarity index 62%
copy from test/message/regress/regress-4829-1.js
copy to test/mjsunit/regress/regress-crbug-605862.js
index 1ad5feda8cb96cd24e4c47f7407c9699d150c327..3124c0647f1c883a84b073dfd0c1af73ffdc856c 100644
--- a/test/message/regress/regress-4829-1.js
+++ b/test/mjsunit/regress/regress-crbug-605862.js
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-function tag() {}
+// Flags: --harmony-unicode-regexps
 
-tag(tag`\xyy`);
+/[]*1/u.exec("\u1234");
+/[^\u0000-\u{10ffff}]*1/u.exec("\u1234");