// |reftest| error:SyntaxError // Copyright 2018 Mathias Bynens. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- author: Mathias Bynens description: > Non-existent property values must not be supported in Unicode property escapes. esid: sec-static-semantics-unicodematchproperty-p negative: phase: parse type: SyntaxError features: [regexp-unicode-property-escapes] ---*/ $DONOTEVALUATE(); /\\P{Script_Extensions=H_e_h}/u;