Make RegExp character class match JSC.

test/mjsunit/regexp.js

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 184 matching lines @@
 
 re = /[^\s\S]/;
 assertFalse(re.test('-'));
 assertFalse(re.test(':'));
 assertFalse(re.test(' '));
 assertFalse(re.test('\t'));
 assertFalse(re.test('\n'));
 assertFalse(re.test('a'));
 assertFalse(re.test('Z'));
 
+// First - is treated as range operator, second as literal minus.
+// This follows the specification in parsing, but doesn't throw on
+// the \s at the beginning of the range.
+re = /[\s-0-9]/;
+assertTrue(re.test(' '));
+assertTrue(re.test('\xA0'));
+assertTrue(re.test('-'));
+assertTrue(re.test('0'));
+assertTrue(re.test('9'));
+assertFalse(re.test('1'));
+
 // Test beginning and end of line assertions with or without the
 // multiline flag.
 re = /^\d+/;
 assertFalse(re.test("asdf\n123"));
 re = /^\d+/m;
 assertTrue(re.test("asdf\n123"));
 
 re = /\d+$/;
 assertFalse(re.test("123\nasdf"));
 re = /\d+$/m;
@@ skipping 425 matching lines @@
 
 // Only partially anchored.
 var re = /(?:a|bc$)/;
 assertTrue(re.test("a"));
 assertTrue(re.test("bc"));
 assertEquals(["a"], re.exec("abc"));
 assertEquals(4, re.exec("zimzamzumba").index);
 assertEquals(["bc"], re.exec("zimzomzumbc"));
 assertFalse(re.test("c"));
 assertFalse(re.test(""));
+