// This file was procedurally generated from the following sources: // - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case // - src/dstr-binding/error/async-gen-func-decl-dflt.template /*--- description: Destructuring initializer is an unresolvable reference (async generator function declaration (default parameter)) esid: sec-asyncgenerator-definitions-instantiatefunctionobject features: [async-iteration] flags: [generated] info: | AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody } [...] 3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody, scope, strict). [...] 13.3.3.6 Runtime Semantics: IteratorBindingInitialization SingleNameBinding : BindingIdentifier Initializeropt [...] 6. If Initializer is present and v is undefined, then a. Let defaultValue be the result of evaluating Initializer. b. Let v be GetValue(defaultValue). c. ReturnIfAbrupt(v). 6.2.3.1 GetValue (V) 1. ReturnIfAbrupt(V). 2. If Type(V) is not Reference, return V. 3. Let base be GetBase(V). 4. If IsUnresolvableReference(V), throw a ReferenceError exception. ---*/ async function* f([ x = unresolvableReference ] = []) { }; assert.throws(ReferenceError, function() { f(); }); reportCompare(0, 0);