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// |reftest| error:SyntaxError
// 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;