Fix assert triggered in fast/regex/pcre-test-4.html We were not filtering out

test/mjsunit/regexp-capture-3.js

 // Copyright 2012 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 169 matching lines @@
 NoHang(/(?=(((.*)*)*x)å)foo/);  // Positive lookahead is filtered.
 NoHang(/(?=(((.*)*)*x))å/);  // Continuation branch of positive lookahead.
 NoHang(/(?=å)(((.*)*)*x)/);  // Positive lookahead also prunes continuation.
 NoHang(/(æ|ø|å)(((.*)*)*x)/);  // All branches of alternation are filtered.
 NoHang(/(a|b|(((.*)*)*x))å/);  // 1 out of 3 branches pruned.
 NoHang(/(a|(((.*)*)*x)ø|(((.*)*)*x)å)/);  // 2 out of 3 branches pruned.
 
 var s = "Don't prune based on a repetition of length 0";
 assertEquals(null, s.match(/å{1,1}prune/));
 assertEquals("prune", (s.match(/å{0,0}prune/)[0]));
+
+// Some very deep regexps where FilterASCII gives up in order not to make the
+// stack overflow.
+var regex6 = /a*\u0100*\w/;
+var input0 = "a";
+regex6.exec(input0);
+
+var re = "\u0100*\\w";
+
+for (var i = 0; i < 200; i++) re = "a*" + re;
+
+var regex7 = new RegExp(re);
+regex7.exec(input0);
+
+var regex8 = new RegExp(re, "i");
+regex8.exec(input0);
+
+re = "[\u0100]*\\w";
+for (var i = 0; i < 200; i++) re = "a*" + re;
+
+var regex9 = new RegExp(re);
+regex9.exec(input0);
+
+var regex10 = new RegExp(re, "i");
+regex10.exec(input0);