Revert of [es6] Correctify and unify ArrayBuffer and SharedArrayBuffer constructors.

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

Index: test/mjsunit/regress/regress-crbug-522496.js
diff --git a/test/mjsunit/regress/regress-crbug-522496.js b/test/mjsunit/regress/regress-crbug-522496.js
index 25b67b725e5eb7043a5aaa54db8e041f9453b48d..e47e0a0677bb574ea9e4b1ca1942341e3fd08bf4 100644
--- a/test/mjsunit/regress/regress-crbug-522496.js
+++ b/test/mjsunit/regress/regress-crbug-522496.js
@@ -4,6 +4,6 @@
 
 if (this.Worker) {
   var worker = new Worker("onmessage = function(){}");
-  var buf = new ArrayBuffer(0);
+  var buf = new ArrayBuffer();
   worker.postMessage(buf, [buf]);
 }