v8/test/mjsunit/regress/regress-3138.js
yangguo@chromium.org 68c7523e63 Fix assignment of function name constant.
If it's shadowed by a variable of the same name and both are forcibly
context-allocated, the function is assigned to the wrong context slot.

R=rossberg@chromium.org
BUG=v8:3138
LOG=Y

Review URL: https://codereview.chromium.org/159903008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19379 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2014-02-14 12:40:47 +00:00

41 lines
892 B
JavaScript

// 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);
})();