| // 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-patterns |
| es6id: 21.2.1 |
| description: Legacy Octal Escape Sequence not supported with `u` flag |
| info: | |
| The `u` flag precludes the use of LegacyOctalEscapeSequence irrespective |
| of the presence of Annex B extensions. |
| |
| CharacterEscape [U] :: |
| ControlEscape |
| c ControlLetter |
| 0[lookahead ∉ DecimalDigit] |
| HexEscapeSequence |
| RegExpUnicodeEscapeSequence[?U] |
| IdentityEscape[?U] |
| negative: |
| phase: parse |
| type: SyntaxError |
| ---*/ |
| |
| $DONOTEVALUATE(); |
| |
| /\1/u; |
