Migrate %TypedArray%.prototype.fill to C++

src/js/array.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 (function(global, utils, extrasUtils) {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
@@ skipping 1362 matching lines @@
   CHECK_OBJECT_COERCIBLE(this, "Array.prototype.findIndex");
 
   var array = TO_OBJECT(this);
   var length = TO_INTEGER(array.length);
 
   return InnerArrayFindIndex(predicate, thisArg, array, length);
 }
 
 
 // ES6, draft 04-05-14, section 22.1.3.6
-function InnerArrayFill(value, start, end, array, length) {
+function ArrayFill(value, start, end) {
+  CHECK_OBJECT_COERCIBLE(this, "Array.prototype.fill");
+
+  var array = TO_OBJECT(this);
+  var length = TO_LENGTH(array.length);
+
   var i = IS_UNDEFINED(start) ? 0 : TO_INTEGER(start);
   var end = IS_UNDEFINED(end) ? length : TO_INTEGER(end);
 
   if (i < 0) {
     i += length;
     if (i < 0) i = 0;
   } else {
     if (i > length) i = length;
   }
 
   if (end < 0) {
     end += length;
     if (end < 0) end = 0;
   } else {
     if (end > length) end = length;
   }
 
   if ((end - i) > 0 && %object_is_frozen(array)) {
     throw %make_type_error(kArrayFunctionsOnFrozen);
   }
 
   for (; i < end; i++)
     array[i] = value;
   return array;
 }
 
 
-// ES6, draft 04-05-14, section 22.1.3.6
-function ArrayFill(value, start, end) {
-  CHECK_OBJECT_COERCIBLE(this, "Array.prototype.fill");
-
-  var array = TO_OBJECT(this);
-  var length = TO_LENGTH(array.length);
-
-  return InnerArrayFill(value, start, end, array, length);
-}
-
-
 // ES6, draft 10-14-14, section 22.1.2.1
 function ArrayFrom(arrayLike, mapfn, receiver) {
   var items = TO_OBJECT(arrayLike);
   var mapping = !IS_UNDEFINED(mapfn);
 
   if (mapping) {
     if (!IS_CALLABLE(mapfn)) {
       throw %make_type_error(kCalledNonCallable, mapfn);
     }
   }
@@ skipping 183 matching lines @@
 // -------------------------------------------------------------------
 // Exports
 
 utils.Export(function(to) {
   to.ArrayFrom = ArrayFrom;
   to.ArrayJoin = ArrayJoin;
   to.ArrayPush = ArrayPush;
   to.ArrayToString = ArrayToString;
   to.ArrayValues = IteratorFunctions.values,
   to.InnerArrayEvery = InnerArrayEvery;
-  to.InnerArrayFill = InnerArrayFill;
   to.InnerArrayFilter = InnerArrayFilter;
   to.InnerArrayFind = InnerArrayFind;
   to.InnerArrayFindIndex = InnerArrayFindIndex;
   to.InnerArrayForEach = InnerArrayForEach;
   to.InnerArrayJoin = InnerArrayJoin;
   to.InnerArrayLastIndexOf = InnerArrayLastIndexOf;
   to.InnerArrayReduce = InnerArrayReduce;
   to.InnerArrayReduceRight = InnerArrayReduceRight;
   to.InnerArraySome = InnerArraySome;
   to.InnerArraySort = InnerArraySort;
   to.InnerArrayToLocaleString = InnerArrayToLocaleString;
   to.PackedArrayReverse = PackedArrayReverse;
 });
 
 %InstallToContext([
   "array_entries_iterator", IteratorFunctions.entries,
   "array_for_each_iterator", IteratorFunctions.forEach,
   "array_keys_iterator", IteratorFunctions.keys,
   "array_pop", ArrayPop,
   "array_push", ArrayPush,
   "array_shift", ArrayShift,
   "array_splice", ArraySplice,
   "array_slice", ArraySlice,
   "array_unshift", ArrayUnshift,
   "array_values_iterator", IteratorFunctions.values,
 ]);
 
 });