// This file was procedurally generated from the following sources: // - src/dstr-binding/obj-ptrn-id-init-throws.case // - src/dstr-binding/error/gen-func-decl-dflt.template /*--- description: Error thrown when evaluating the initializer (generator function declaration (default parameter)) esid: sec-generator-function-definitions-runtime-semantics-instantiatefunctionobject features: [generators, destructuring-binding, default-parameters] flags: [generated] info: | GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody } [...] 2. Let F be GeneratorFunctionCreate(Normal, FormalParameters, GeneratorBody, scope, strict). [...] 9.2.1 [[Call]] ( thisArgument, argumentsList) [...] 7. Let result be OrdinaryCallEvaluateBody(F, argumentsList). [...] 9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList ) 1. Let status be FunctionDeclarationInstantiation(F, argumentsList). [...] 9.2.12 FunctionDeclarationInstantiation(func, argumentsList) [...] 23. Let iteratorRecord be Record {[[iterator]]: CreateListIterator(argumentsList), [[done]]: false}. 24. If hasDuplicates is true, then [...] 25. Else, b. Let formalStatus be IteratorBindingInitialization for formals with iteratorRecord and env as arguments. [...] 13.3.3.7 Runtime Semantics: KeyedBindingInitialization 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). ---*/ function thrower() { throw new Test262Error(); } function* f({ x = thrower() } = {}) {} assert.throws(Test262Error, function() { f(); }); reportCompare(0, 0);