JSTests/test262/test/language/statements/generators/dflt-params-rest.js

// This file was procedurally generated from the following sources:
// - src/function-forms/dflt-params-rest.case
// - src/function-forms/syntax/gen-func-decl.template
/*---
description: RestParameter does not support an initializer (generator function declaration)
esid: sec-generator-function-definitions-runtime-semantics-instantiatefunctionobject
features: [default-parameters, generators]
flags: [generated]
negative:
  phase: parse
  type: SyntaxError
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.
    [...]


    14.1 Function Definitions

    Syntax

    FunctionRestParameter[Yield] :

      BindingRestElement[?Yield]

    13.3.3 Destructuring Binding Patterns

    Syntax

    BindingRestElement[Yield] :

      ...BindingIdentifier[?Yield]
      ...BindingPattern[?Yield]

---*/
throw "Test262: This statement should not be evaluated.";

function* f(...x = []) {
  
}