Split SetProperty(...attributes, strictmode) into AddProperty(...attributes) and SetProperty(...…

src/array.js

Index: src/array.js
diff --git a/src/array.js b/src/array.js
index a16f430d116d31362819af77f3ea124bbd0bab96..46dbb87121455ca812f289c6fbb03513b0425ca0 100644
--- a/src/array.js
+++ b/src/array.js
@@ -445,7 +445,7 @@ function ArrayPush() {
   for (var i = 0; i < m; i++) {
     // Use SetProperty rather than a direct keyed store to ensure that the store
     // site doesn't become poisened with an elements transition KeyedStoreIC.
-    %SetProperty(array, i+n, %_Arguments(i), 0, kStrictMode);
+    %SetProperty(array, i+n, %_Arguments(i), kStrictMode);
   }
 
   var new_length = n + m;
@@ -1462,7 +1462,7 @@ function SetUpArray() {
 
   // Set up non-enumerable constructor property on the Array.prototype
   // object.
-  %SetProperty($Array.prototype, "constructor", $Array, DONT_ENUM);
+  %AddProperty($Array.prototype, "constructor", $Array, DONT_ENUM);
 
   // Set up non-enumerable functions on the Array object.
   InstallFunctions($Array, DONT_ENUM, $Array(