text: // Copyright (C) 2015 the V8 project authors. All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  description: Invalid character class range with `u` flag (lower set size > 1)
  info: >
      21.2.2.15.1 Runtime Semantics: CharacterRange Abstract Operation
  
      1. If A does not contain exactly one character or B does not contain
         exactly one character, throw a SyntaxError exception.
  es6id: 21.2.2.15.1
  negative: SyntaxError
  ---*/
  
  /[\w-a]/u;
  