// |reftest| error:SyntaxError // This file was procedurally generated from the following sources: // - src/function-forms/dflt-params-duplicates.case // - src/function-forms/syntax/cls-decl-async-gen-meth-static.template /*--- description: It is a Syntax Error if BoundNames of FormalParameters contains any duplicate elements. (static class expression generator method) esid: sec-runtime-semantics-bindingclassdeclarationevaluation features: [default-parameters, async-iteration] flags: [generated] negative: phase: parse type: SyntaxError info: | ClassDeclaration : class BindingIdentifier ClassTail 1. Let className be StringValue of BindingIdentifier. 2. Let value be the result of ClassDefinitionEvaluation of ClassTail with argument className. [...] 14.5.14 Runtime Semantics: ClassDefinitionEvaluation 21. For each ClassElement m in order from methods a. If IsStatic of m is false, then b. Else, Let status be the result of performing PropertyDefinitionEvaluation for m with arguments F and false. [...] Runtime Semantics: PropertyDefinitionEvaluation AsyncGeneratorMethod : async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody } 1. Let propKey be the result of evaluating PropertyName. 2. ReturnIfAbrupt(propKey). 3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true. Otherwise let strict be false. 4. Let scope be the running execution context's LexicalEnvironment. 5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters, AsyncGeneratorBody, scope, strict). [...] 14.1.2 Static Semantics: Early Errors StrictFormalParameters : FormalParameters - It is a Syntax Error if BoundNames of FormalParameters contains any duplicate elements. FormalParameters : FormalParameterList - It is a Syntax Error if IsSimpleParameterList of FormalParameterList is false and BoundNames of FormalParameterList contains any duplicate elements. ---*/ $DONOTEVALUATE(); class C { static async *method(x = 0, x) { } }