Remove --harmony-array-includes flag

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 11 matching lines @@
 var MaxSimple;
 var MinSimple;
 var ObjectDefineProperty;
 var ObjectHasOwnProperty;
 var ObjectIsFrozen;
 var ObjectIsSealed;
 var ObjectToString = utils.ImportNow("object_to_string");
 var ObserveBeginPerformSplice;
 var ObserveEndPerformSplice;
 var ObserveEnqueueSpliceRecord;
+var SameValueZero;
 var iteratorSymbol = utils.ImportNow("iterator_symbol");
 var unscopablesSymbol = utils.ImportNow("unscopables_symbol");
 
 utils.Import(function(from) {
   AddIndexedProperty = from.AddIndexedProperty;
   GetIterator = from.GetIterator;
   GetMethod = from.GetMethod;
   MakeTypeError = from.MakeTypeError;
   MaxSimple = from.MaxSimple;
   MinSimple = from.MinSimple;
   ObjectDefineProperty = from.ObjectDefineProperty;
   ObjectHasOwnProperty = from.ObjectHasOwnProperty;
   ObjectIsFrozen = from.ObjectIsFrozen;
   ObjectIsSealed = from.ObjectIsSealed;
   ObserveBeginPerformSplice = from.ObserveBeginPerformSplice;
   ObserveEndPerformSplice = from.ObserveEndPerformSplice;
   ObserveEnqueueSpliceRecord = from.ObserveEnqueueSpliceRecord;
+  SameValueZero = from.SameValueZero;
 });
 
 utils.ImportFromExperimental(function(from) {
   FLAG_harmony_tolength = from.FLAG_harmony_tolength;
 });
 
 // -------------------------------------------------------------------
 
 // Global list of arrays visited during toString, toLocaleString and
 // join invocations.
@@ skipping 1628 matching lines @@
 function ArrayFill(value, start, end) {
   CHECK_OBJECT_COERCIBLE(this, "Array.prototype.fill");
 
   var array = TO_OBJECT(this);
   var length = TO_LENGTH_OR_UINT32(array.length);
 
   return InnerArrayFill(value, start, end, array, length);
 }
 
 
+function InnerArrayIncludes(searchElement, fromIndex, array, 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 = array[k];
+    if (SameValueZero(searchElement, elementK)) {
+      return true;
+    }
+
+    ++k;
+  }
+
+  return false;
+}
+
+
+// ES2016 draft, section 22.1.3.11
+function ArrayIncludes(searchElement, fromIndex) {
+  CHECK_OBJECT_COERCIBLE(this, "Array.prototype.includes");
+
+  var array = TO_OBJECT(this);
+  var length = TO_LENGTH(array.length);
+
+  return InnerArrayIncludes(searchElement, fromIndex, array, length);
+}
+
+
 function AddArrayElement(constructor, array, i, value) {
   if (constructor === GlobalArray) {
     AddIndexedProperty(array, i, value);
   } else {
     ObjectDefineProperty(array, i, {
       value: value, writable: true, configurable: true, enumerable: true
     });
   }
 }
 
@@ skipping 138 matching lines @@
   "some", getFunction("some", ArraySome, 1),
   "every", getFunction("every", ArrayEvery, 1),
   "map", getFunction("map", ArrayMap, 1),
   "indexOf", getFunction("indexOf", ArrayIndexOf, 1),
   "lastIndexOf", getFunction("lastIndexOf", ArrayLastIndexOf, 1),
   "reduce", getFunction("reduce", ArrayReduce, 1),
   "reduceRight", getFunction("reduceRight", ArrayReduceRight, 1),
   "copyWithin", getFunction("copyWithin", ArrayCopyWithin, 2),
   "find", getFunction("find", ArrayFind, 1),
   "findIndex", getFunction("findIndex", ArrayFindIndex, 1),
-  "fill", getFunction("fill", ArrayFill, 1)
+  "fill", getFunction("fill", ArrayFill, 1),
+  "includes", getFunction("includes", ArrayIncludes, 1),
 ]);
 
 %FinishArrayPrototypeSetup(GlobalArray.prototype);
 
 // The internal Array prototype doesn't need to be fancy, since it's never
 // exposed to user code.
 // Adding only the functions that are actually used.
 utils.SetUpLockedPrototype(InternalArray, GlobalArray(), [
   "indexOf", getFunction("indexOf", ArrayIndexOf),
   "join", getFunction("join", ArrayJoin),
@@ skipping 31 matching lines @@
   to.ArrayJoin = ArrayJoin;
   to.ArrayPush = ArrayPush;
   to.ArrayToString = ArrayToString;
   to.InnerArrayCopyWithin = InnerArrayCopyWithin;
   to.InnerArrayEvery = InnerArrayEvery;
   to.InnerArrayFill = InnerArrayFill;
   to.InnerArrayFilter = InnerArrayFilter;
   to.InnerArrayFind = InnerArrayFind;
   to.InnerArrayFindIndex = InnerArrayFindIndex;
   to.InnerArrayForEach = InnerArrayForEach;
+  to.InnerArrayIncludes = InnerArrayIncludes;
   to.InnerArrayIndexOf = InnerArrayIndexOf;
   to.InnerArrayJoin = InnerArrayJoin;
   to.InnerArrayLastIndexOf = InnerArrayLastIndexOf;
   to.InnerArrayMap = InnerArrayMap;
   to.InnerArrayReduce = InnerArrayReduce;
   to.InnerArrayReduceRight = InnerArrayReduceRight;
   to.InnerArraySome = InnerArraySome;
   to.InnerArraySort = InnerArraySort;
   to.InnerArrayToLocaleString = InnerArrayToLocaleString;
   to.PackedArrayReverse = PackedArrayReverse;
 });
 
 %InstallToContext([
   "array_pop", ArrayPop,
   "array_push", ArrayPush,
   "array_shift", ArrayShift,
   "array_splice", ArraySplice,
   "array_slice", ArraySlice,
   "array_unshift", ArrayUnshift,
 ]);
 
 });