[es6] Implement for-of iterator finalization

test/mjsunit/harmony/destructuring.js

Index: test/mjsunit/harmony/destructuring.js
diff --git a/test/mjsunit/harmony/destructuring.js b/test/mjsunit/harmony/destructuring.js
index 50f27857ec04ce302dacb2ab63139ac27167f61c..e5cedd2ae37d291a62a054cca9a40b8f123fd342 100644
--- a/test/mjsunit/harmony/destructuring.js
+++ b/test/mjsunit/harmony/destructuring.js
@@ -1061,10 +1061,10 @@
 
 
 (function TestForInOfTDZ() {
-  assertThrows("'use strict'; let x = {}; for (let [x, y] of {x});", ReferenceError);
-  assertThrows("'use strict'; let x = {}; for (let [y, x] of {x});", ReferenceError);
-  assertThrows("'use strict'; let x = {}; for (let [x, y] in {x});", ReferenceError);
-  assertThrows("'use strict'; let x = {}; for (let [y, x] in {x});", ReferenceError);
+  assertThrows("'use strict'; let x = {}; for (let [x, y] of [x]);", ReferenceError);
+  assertThrows("'use strict'; let x = {}; for (let [y, x] of [x]);", ReferenceError);
+  assertThrows("'use strict'; let x = {}; for (let [x, y] in [x]);", ReferenceError);
+  assertThrows("'use strict'; let x = {}; for (let [y, x] in [x]);", ReferenceError);

[Dan Ehrenberg, 2016/02/16 21:18:30]

Why delete the old tests? I also don't understand what in this patch changes
that has to do with throwing this ReferenceError.

[rossberg, 2016/02/17 12:54:45]

Just a tweak. The old version didn't actually make sense for for-of, because
objects aren't iterable. Reverted for the for-in ones.

 }());