Fixed memory-leak in d8. It did not clean evaluation context used for executing shell commands.

test/mjsunit/regress/regress-crbug-493284.js

Index: test/mjsunit/regress/regress-crbug-493284.js
diff --git a/test/message/destructuring-modify-const.js b/test/mjsunit/regress/regress-crbug-493284.js
similarity index 56%
copy from test/message/destructuring-modify-const.js
copy to test/mjsunit/regress/regress-crbug-493284.js
index cabd924b37ea9f178259f4c979c3b3268920c713..85f7d2af9132d867358943b2899fad7819a78f0b 100644
--- a/test/message/destructuring-modify-const.js
+++ b/test/mjsunit/regress/regress-crbug-493284.js
@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-destructuring
-'use strict';
+// Flags: --invoke-weak-callbacks --omit-quit --no-test
 
-const { x : x, y : y } = { x : 1, y : 2 };
-x++;
+var coll = new Intl.Collator();
+assertEquals(-1, coll.compare('a', 'c'));