Avoid creating too many handles during array/object literals compilation.

test/mjsunit/regress/regress-crbug-493289.js

Index: test/mjsunit/regress/regress-crbug-493289.js
diff --git a/test/mjsunit/compiler/regress-416359.js b/test/mjsunit/regress/regress-crbug-493289.js
similarity index 69%
copy from test/mjsunit/compiler/regress-416359.js
copy to test/mjsunit/regress/regress-crbug-493289.js
index 18cdc5e72800ab16c49ea2f2091b88ba1c873248..225731b26a7e42b8dea0e170b45d33f4867a8836 100644
--- a/test/mjsunit/compiler/regress-416359.js
+++ b/test/mjsunit/regress/regress-crbug-493289.js
@@ -2,9 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-"use strict"
-function f() {
-  for (x in {a:0});
-}
+// Flags: --harmony-arrays --gc-interval=456 --check-handle-count
 
-assertThrows(f);
+// boom!