// Copyright JS Foundation and other contributors, http://js.foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

function bar(a) {
  assert(a[0] === 10);
  a.hasOwnProperty(0);
  assert(a[0] === 10);
}

function foo(a) {
  assert(a === 20);
  a = 10;
  bar(arguments);
}

function barStrict(a) {
  "use strict"
  assert(a[0] === 20);
  a.hasOwnProperty(0);
  assert(a[0] === 20);
}

function fooStrict(a) {
  "use strict"
  assert(a === 20);
  a = 10;
  barStrict(arguments);
}

foo(20);
fooStrict(20);