| // Copyright 2021 the V8 project authors. All rights reserved. | |
| // This code is governed by the BSD license found in the LICENSE file. | |
| /*--- | |
| description: Parsing observes the `Yield` production parameter when absent (within strict mode) | |
| info: | | |
| Syntax | |
| RelationalExpression[In, Yield, Await]: | |
| [...] | |
| [+In] RelationalExpression[+In, ?Yield, ?Await] in ShiftExpression[?Yield, ?Await] | |
| esid: sec-relational-operators | |
| negative: | |
| phase: parse | |
| type: SyntaxError | |
| flags: [onlyStrict] | |
| ---*/ | |
| $DONOTEVALUATE(); | |
| '' in (yield); |