v8/test/mjsunit/regress/regress-3138.js

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// 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.
(function f(){
assertEquals("function", typeof f);
})();
(function f(){
var f; // Variable shadows function name.
assertEquals("undefined", typeof f);
})();
(function f(){
var f;
assertEquals("undefined", typeof f);
with ({}); // Force context allocation of both variable and function name.
})();
assertEquals("undefined", typeof f);
// var initialization is intercepted by with scope.
(function() {
var o = { a: 1 };
with (o) {
var a = 2;
}
assertEquals("undefined", typeof a);
assertEquals(2, o.a);
})();
// const initialization is not intercepted by with scope.
(function() {
var o = { a: 1 };
with (o) {
const a = 2;
}
assertEquals(2, a);
assertEquals(1, o.a);
})();