// This file was procedurally generated from the following sources: // - src/annex-b-fns/func-init.case // - src/annex-b-fns/func/if-decl-else-decl-b.template /*--- description: Variable binding is initialized to `undefined` in outer scope (IfStatement with a declaration in both statement positions in function scope) esid: sec-functiondeclarations-in-ifstatement-statement-clauses flags: [generated, noStrict] info: | The following rules for IfStatement augment those in 13.6: IfStatement[Yield, Return]: if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else Statement[?Yield, ?Return] if ( Expression[In, ?Yield] ) Statement[?Yield, ?Return] else FunctionDeclaration[?Yield] if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] else FunctionDeclaration[?Yield] if ( Expression[In, ?Yield] ) FunctionDeclaration[?Yield] B.3.3.1 Changes to FunctionDeclarationInstantiation [...] 2. If instantiatedVarNames does not contain F, then a. Perform ! varEnvRec.CreateMutableBinding(F, false). b. Perform varEnvRec.InitializeBinding(F, undefined). c. Append F to instantiatedVarNames. [...] ---*/ var init, changed; (function() { init = f; f = 123; changed = f; if (false) function _f() {} else function f() { } }()); assert.sameValue(init, undefined, 'binding is initialized to `undefined`'); assert.sameValue(changed, 123, 'binding is mutable'); assert.throws(ReferenceError, function() { f; }, 'global binding is not created'); reportCompare(0, 0);