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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: >
ClassEscape does not recognize "class control" patterns
info: |
ClassEscape[U] ::
b
[+U] -
CharacterClassEscape
CharacterEscape[?U]
The `u` flag precludes the Annex B extension that enables this pattern.
negative:
phase: parse
type: SyntaxError
---*/
$DONOTEVALUATE();
/\c0/u;
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