Fix the Array.push simulate for non-effect context.

test/mjsunit/array-push11.js

Index: test/mjsunit/array-push11.js
diff --git a/test/mjsunit/array-push10.js b/test/mjsunit/array-push11.js
similarity index 83%
copy from test/mjsunit/array-push10.js
copy to test/mjsunit/array-push11.js
index 223186e0ec986436e9d5bee993633421784e1101..118161a98ba5c1730438f97f1f5df5941fff47f2 100644
--- a/test/mjsunit/array-push10.js
+++ b/test/mjsunit/array-push11.js
@@ -4,12 +4,12 @@
 
 function __f_17(__v_9) {
  var __v_10 = 0;
- var count = 10000;
+ var count = 100000;
  while (count-- != 0) {
-   __v_9.push(0);
+   var l = __v_9.push(0);
    if (++__v_10 >= 2) return __v_9;
    __v_10 = {};
  }
 }
 
-__v_14 = __f_17([]);
+__f_17([]);