// 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()); })();