Always run our fast array builtins.

src/js/array.js

Index: src/js/array.js
diff --git a/src/js/array.js b/src/js/array.js
index 6bd31a8ebeac261c33eb6df66bc6cb8de24f02af..ea192a8cd10ce3740c5035681a61af8c0295cc1d 100644
--- a/src/js/array.js
+++ b/src/js/array.js
@@ -1033,85 +1033,24 @@ function ArrayFilter(f, receiver) {
   return InnerArrayFilter(f, receiver, array, length, result);
 }
 
-
-function InnerArrayForEach(f, receiver, array, length) {
-  if (!IS_CALLABLE(f)) throw %make_type_error(kCalledNonCallable, f);
-
-  if (IS_UNDEFINED(receiver)) {
-    for (var i = 0; i < length; i++) {
-      if (i in array) {
-        var element = array[i];
-        f(element, i, array);
-      }
-    }
-  } else {
-    for (var i = 0; i < length; i++) {
-      if (i in array) {
-        var element = array[i];
-        %_Call(f, receiver, element, i, array);
-      }
-    }
-  }
-}
-
-
 function ArrayForEach(f, receiver) {
-  CHECK_OBJECT_COERCIBLE(this, "Array.prototype.forEach");
-
-  // Pull out the length so that modifications to the length in the
-  // loop will not affect the looping and side effects are visible.
-  var array = TO_OBJECT(this);
-  var length = TO_LENGTH(array.length);
-  InnerArrayForEach(f, receiver, array, length);
+  // This function is implemented as a code stub builtin.
+  // Defining the signature here makes it easier to install the builtin

[Yang, 2017/03/20 15:00:24]

Do we really need these here? We don't need this for any of the other builtins
we install in the bootstrapper with InstallFunction.

[mvstanton, 2017/03/21 21:15:47]

Done.

+  // in bootstrapper.cc.
 }
 
-
-function InnerArraySome(f, receiver, array, length) {
-  if (!IS_CALLABLE(f)) throw %make_type_error(kCalledNonCallable, f);
-
-  for (var i = 0; i < length; i++) {
-    if (i in array) {
-      var element = array[i];
-      if (%_Call(f, receiver, element, i, array)) return true;
-    }
-  }
-  return false;
-}
-
-
 // Executes the function once for each element present in the
 // array until it finds one where callback returns true.
 function ArraySome(f, receiver) {
-  CHECK_OBJECT_COERCIBLE(this, "Array.prototype.some");
-
-  // Pull out the length so that modifications to the length in the
-  // loop will not affect the looping and side effects are visible.
-  var array = TO_OBJECT(this);
-  var length = TO_LENGTH(array.length);
-  return InnerArraySome(f, receiver, array, length);
-}
-
-
-function InnerArrayEvery(f, receiver, array, length) {
-  if (!IS_CALLABLE(f)) throw %make_type_error(kCalledNonCallable, f);
-
-  for (var i = 0; i < length; i++) {
-    if (i in array) {
-      var element = array[i];
-      if (!%_Call(f, receiver, element, i, array)) return false;
-    }
-  }
-  return true;
+  // This function is implemented as a code stub builtin.
+  // Defining the signature here makes it easier to install the builtin
+  // in bootstrapper.cc.
 }
 
 function ArrayEvery(f, receiver) {
-  CHECK_OBJECT_COERCIBLE(this, "Array.prototype.every");
-
-  // Pull out the length so that modifications to the length in the
-  // loop will not affect the looping and side effects are visible.
-  var array = TO_OBJECT(this);
-  var length = TO_LENGTH(array.length);
-  return InnerArrayEvery(f, receiver, array, length);
+  // This function is implemented as a code stub builtin.
+  // Defining the signature here makes it easier to install the builtin
+  // in bootstrapper.cc.
 }
 
 
@@ -1611,15 +1550,13 @@ utils.Export(function(to) {
   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.InnerArrayReduce = InnerArrayReduce;
   to.InnerArrayReduceRight = InnerArrayReduceRight;
-  to.InnerArraySome = InnerArraySome;
   to.InnerArraySort = InnerArraySort;
   to.InnerArrayToLocaleString = InnerArrayToLocaleString;
   to.PackedArrayReverse = PackedArrayReverse;