Correctly set the length of string before creating filler object in the json parser (fixes crbug ...

test/mjsunit/regress/regress-crbug-84186.js

Index: test/mjsunit/regress/regress-crbug-84186.js
===================================================================
--- test/mjsunit/regress/regress-crbug-84186.js	(revision 0)
+++ test/mjsunit/regress/regress-crbug-84186.js	(revision 0)
@@ -0,0 +1,41 @@
+// Copyright 2011 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
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Test that the expected string is parsed in the json parser when the lenght

[Mads Ager (chromium), 2011/05/30 05:52:16]

length

+// is so big that the string can't fit in new space, and it includes special
+// characters.
+
+var json = '{"key":"';
+var key = '';
+var expected = '';
+for(var i = 0; i < 60000; i++) {
+  key = key + "TESTING" + i + "\\n";
+  expected = expected + "TESTING" + i + "\n";
+}
+json = json + key  + '"}';
+var out = JSON.parse(json);
+assertEquals(expected, out.key);