// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-generator-function-definitions es6id: 14.4 description: > YieldExpression operand may not include the `in` keyword in contexts where it is disallowed info: | Syntax yield [no LineTerminator here] * AssignmentExpression[?In, +Yield] negative: phase: parse type: SyntaxError features: [generators] ---*/ $DONOTEVALUATE(); function* g() { for (yield * '' in {}; ; ) ; }