[api] Relax CHECK for ArrayBuffer API abuse

test/mjsunit/regress/regress-crbug-522496.js

Index: test/mjsunit/regress/regress-crbug-522496.js
diff --git a/test/mjsunit/regress-4399.js b/test/mjsunit/regress/regress-crbug-522496.js
similarity index 61%
copy from test/mjsunit/regress-4399.js
copy to test/mjsunit/regress/regress-crbug-522496.js
index a8fdab7d9d62dfa33d34987f8994536e5dc762cc..e47e0a0677bb574ea9e4b1ca1942341e3fd08bf4 100644
--- a/test/mjsunit/regress-4399.js
+++ b/test/mjsunit/regress/regress-crbug-522496.js
@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-
 if (this.Worker) {
-  assertThrows(function() { Worker.prototype.constructor("55"); });
+  var worker = new Worker("onmessage = function(){}");
+  var buf = new ArrayBuffer();
+  worker.postMessage(buf, [buf]);
 }