Throw exception on invalid string length instead of OOM.

test/mjsunit/string-oom-slow-json-stringify.js

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --allow-natives-syntax --harmony
+var a = 'a';
+for (var i = 0; i < 20; i++) a += a;
+for (var i = 0; i < 8; i++) a = [a, a];
 
-function foo() {
-  return Math.clz32(12.34);
+function stringify() {
+  JSON.stringify(a);
 }
 
-foo();
-foo();
-%OptimizeFunctionOnNextCall(foo);
-foo();
+assertThrows(stringify, RangeError);