010770085b
The flag has been on since at least Chrome 53. R=littledan@chromium.org Review-Url: https://codereview.chromium.org/2478883002 Cr-Commit-Position: refs/heads/master@{#40780}
51 lines
1.2 KiB
JavaScript
51 lines
1.2 KiB
JavaScript
// Copyright 2016 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.
|
|
|
|
// ES#sec-functiondeclarations-in-ifstatement-statement-clauses
|
|
// Annex B 3.4 FunctionDeclarations in IfStatement Statement Clauses
|
|
// In sloppy mode, function declarations in if statements act like
|
|
// they have a block around them. Prohibited in strict mode.
|
|
(function() {
|
|
if (false) function f() { };
|
|
assertEquals(undefined, f);
|
|
})();
|
|
|
|
(function() {
|
|
assertEquals(undefined, f);
|
|
if (true) function f() { };
|
|
assertEquals('function', typeof f);
|
|
})();
|
|
|
|
(function() {
|
|
assertEquals(undefined, f);
|
|
if (true) {} else function f() { };
|
|
assertEquals(undefined, f);
|
|
})();
|
|
|
|
(function() {
|
|
assertEquals(undefined, f);
|
|
if (false) {} else function f() { };
|
|
assertEquals('function', typeof f);
|
|
})();
|
|
|
|
// Labeled function declarations undergo the same hoisting/FiB semantics as if
|
|
// they were unalbeled.
|
|
(function() {
|
|
function bar() {
|
|
return f;
|
|
x: function f() {}
|
|
}
|
|
assertEquals('function', typeof bar());
|
|
})();
|
|
|
|
(function() {
|
|
function bar() {
|
|
return f;
|
|
{
|
|
x: function f() {}
|
|
}
|
|
}
|
|
assertEquals(undefined, bar());
|
|
})();
|