| // 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-unary-operators-static-semantics-early-errors |
| es6id: 12.5.1 |
| description: Applied to a "covered" YieldExpression |
| info: | |
| UnaryExpression : |
| ++ UnaryExpression |
| -- UnaryExpression |
| |
| - It is an early Reference Error if IsValidSimpleAssignmentTarget of |
| UnaryExpression is false. |
| |
| 12.15.3 Static Semantics: IsValidSimpleAssignmentTarget |
| |
| AssignmentExpression: |
| YieldExpression |
| ArrowFunction |
| LeftHandSideExpression = AssignmentExpression |
| LeftHandSideExpression AssignmentOperator AssignmentExpression |
| |
| 1. Return false. |
| features: [generators] |
| negative: |
| phase: parse |
| type: ReferenceError |
| ---*/ |
| |
| $DONOTEVALUATE(); |
| |
| function* g() { |
| --(yield); |
| } |
