| Index: src/json.js
 | 
| diff --git a/src/json.js b/src/json.js
 | 
| index f767f4a195e2256861a02a68faac9b2c6fdc98e9..e2b7dc816bb1ff1e10e3e6db588b24642a644212 100644
 | 
| --- a/src/json.js
 | 
| +++ b/src/json.js
 | 
| @@ -220,6 +220,8 @@ function JSONStringify(value, replacer, space) {
 | 
|  function SetUpJSON() {
 | 
|    %CheckIsBootstrapping();
 | 
|  
 | 
| +  %AddNamedProperty($JSON, symbolToStringTag, "JSON", READ_ONLY | DONT_ENUM);
 | 
| +
 | 
|    // Set up non-enumerable properties of the JSON object.
 | 
|    InstallFunctions($JSON, DONT_ENUM, $Array(
 | 
|      "parse", JSONParse,
 | 
| 
 |