[builtins] implement Array.prototype[@@iterator] in TFJ builtins

src/js/array.js

Index: src/js/array.js
diff --git a/src/js/array.js b/src/js/array.js
index d10e7f18b56debe553874e3b37fe87fc62d75372..c6daf88549183cb5de5ef54b49b75bba0fcdb5c3 100644
--- a/src/js/array.js
+++ b/src/js/array.js
@@ -1539,6 +1539,8 @@ var getFunction = function(name, jsBuiltin, len) {
   return f;
 };
 
+var ArrayValues = getFunction("values", null, 0);
+
 // Set up non-enumerable functions of the Array.prototype object and
 // set their names.
 // Manipulate the length of some of the functions to meet
@@ -1568,9 +1570,14 @@ utils.InstallFunctions(GlobalArray.prototype, DONT_ENUM, [
   "find", getFunction("find", ArrayFind, 1),
   "findIndex", getFunction("findIndex", ArrayFindIndex, 1),
   "fill", getFunction("fill", ArrayFill, 1),
-  "includes", getFunction("includes", null, 1)
+  "includes", getFunction("includes", null, 1),
+  "keys", getFunction("keys", null, 0),
+  "entries", getFunction("entries", null, 0),
+  iteratorSymbol, ArrayValues
 ]);
 
+%FunctionSetName(ArrayValues, "values");
+
 utils.InstallGetter(GlobalArray, speciesSymbol, ArraySpecies);
 
 %FinishArrayPrototypeSetup(GlobalArray.prototype);
@@ -1614,6 +1621,7 @@ utils.Export(function(to) {
   to.ArrayJoin = ArrayJoin;
   to.ArrayPush = ArrayPush;
   to.ArrayToString = ArrayToString;
+  to.ArrayValues = ArrayValues;
   to.InnerArrayCopyWithin = InnerArrayCopyWithin;
   to.InnerArrayEvery = InnerArrayEvery;
   to.InnerArrayFill = InnerArrayFill;