[builtins] implement Array.prototype.includes in TurboFan

src/js/typedarray.js

 // Copyright 2013 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) {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
@@ skipping 10 matching lines @@
 var GlobalArrayBufferPrototype = GlobalArrayBuffer.prototype;
 var GlobalDataView = global.DataView;
 var GlobalObject = global.Object;
 var InnerArrayCopyWithin;
 var InnerArrayEvery;
 var InnerArrayFill;
 var InnerArrayFilter;
 var InnerArrayFind;
 var InnerArrayFindIndex;
 var InnerArrayForEach;
-var InnerArrayIncludes;
 var InnerArrayIndexOf;
 var InnerArrayJoin;
 var InnerArrayLastIndexOf;
 var InnerArrayReduce;
 var InnerArrayReduceRight;
 var InnerArraySome;
 var InnerArraySort;
 var InnerArrayToLocaleString;
 var InternalArray = utils.InternalArray;
 var IsNaN;
@@ skipping 33 matching lines @@
   ArrayValues = from.ArrayValues;
   GetIterator = from.GetIterator;
   GetMethod = from.GetMethod;
   InnerArrayCopyWithin = from.InnerArrayCopyWithin;
   InnerArrayEvery = from.InnerArrayEvery;
   InnerArrayFill = from.InnerArrayFill;
   InnerArrayFilter = from.InnerArrayFilter;
   InnerArrayFind = from.InnerArrayFind;
   InnerArrayFindIndex = from.InnerArrayFindIndex;
   InnerArrayForEach = from.InnerArrayForEach;
-  InnerArrayIncludes = from.InnerArrayIncludes;
   InnerArrayIndexOf = from.InnerArrayIndexOf;
   InnerArrayJoin = from.InnerArrayJoin;
   InnerArrayLastIndexOf = from.InnerArrayLastIndexOf;
   InnerArrayReduce = from.InnerArrayReduce;
   InnerArrayReduceRight = from.InnerArrayReduceRight;
   InnerArraySome = from.InnerArraySome;
   InnerArraySort = from.InnerArraySort;
   InnerArrayToLocaleString = from.InnerArrayToLocaleString;
   IsNaN = from.IsNaN;
   MakeRangeError = from.MakeRangeError;
@@ skipping 610 matching lines @@
   return array;
 }
 
 
 // ES2016 draft, section 22.2.3.14
 function TypedArrayIncludes(searchElement, fromIndex) {
   if (!IS_TYPEDARRAY(this)) throw MakeTypeError(kNotTypedArray);
 
   var length = %_TypedArrayGetLength(this);
 
-  return InnerArrayIncludes(searchElement, fromIndex, this, length);
+  if (length === 0) return false;
+  var n = TO_INTEGER(fromIndex);
+
+  var k;
+  if (n >= 0) {
+    k = n;
+  } else {
+    k = length + n;
+    if (k < 0) {
+      k = 0;
+    }
+  }
+
+  while (k < length) {
+    var elementK = this[k];
+    if (%SameValueZero(searchElement, elementK)) {
+      return true;
+    }
+
+    ++k;
+  }
+
+  return false;
 }
 %FunctionSetLength(TypedArrayIncludes, 1);
 
 
 // ES6 draft 08-24-14, section 22.2.2.2
 function TypedArrayOf() {
   var length = arguments.length;
   var array = TypedArrayCreate(this, length);
   for (var i = 0; i < length; i++) {
     array[i] = arguments[i];
@@ skipping 179 matching lines @@
   "setUint32", DataViewSetUint32JS,
 
   "getFloat32", DataViewGetFloat32JS,
   "setFloat32", DataViewSetFloat32JS,
 
   "getFloat64", DataViewGetFloat64JS,
   "setFloat64", DataViewSetFloat64JS
 ]);
 
 })