Correctly check for stack limit in JSON.stringify.

test/mjsunit/json-recursive.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 24 matching lines @@
 
 function rec(a,b,c,d,e,f,g,h,i,j,k,l,m,n) {
   JSON.stringify(a);
   rec(a,b,c,d,e,f,g,h,i,j,k,l,m,n);
 }
 
 assertThrows(function() { rec(1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4) },
              RangeError);
 
 
+var depth1 = 2048;
+var depth2 = 10000;
 var deepArray = [];
-for (var i = 0; i < 2048; i++) deepArray = [deepArray];
+for (var i = 0; i < depth1; i++) deepArray = [deepArray];
 JSON.stringify(deepArray);
-for (var i = 2048; i < 4097; i++) deepArray = [deepArray];
+for (var i = depth1; i < depth2; i++) deepArray = [deepArray];
 assertThrows(function() { JSON.stringify(deepArray); }, RangeError);
 
 
 var deepObject = {};
-for (var i = 0; i < 2048; i++) deepObject = { next: deepObject };
+for (var i = 0; i < depth1; i++) deepObject = { next: deepObject };
 JSON.stringify(deepObject);
-for (var i = 2048; i < 4097; i++) deepObject = { next: deepObject };
+for (var i = depth1; i < depth2; i++) deepObject = { next: deepObject };
 assertThrows(function() { JSON.stringify(deepObject); }, RangeError);