Revert "Revert "Reland 21774: Generate KeyedLoadGeneric with Hydrogen""

test/mjsunit/keyed-load-dictionary-stub.js

+// Copyright 2014 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.
+
+// Flags: --allow-natives-syntax
+
+function generate_dictionary_array() {
+  var result = [0, 1, 2, 3, 4];
+  result[256 * 1024] = 5;
+  return result;
+}
+
+function get_accessor(a, i) {
+  return a[i];
+}
+
+var array1 = generate_dictionary_array();
+get_accessor(array1, 1);
+get_accessor(array1, 2);
+get_accessor(12345, 2);