text: // Copyright (C) 2017 the V8 project authors. All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  esid: prod-NumericLiteralSeparator
  description: >
    NonZeroDigit NumericLiteralSeparator DecimalDigits sequence expressed with
    unicode escape sequence
  info: |
    NumericLiteralSeparator::
      _
  
    DecimalIntegerLiteral::
      ...
      NonZeroDigit NumericLiteralSeparator_opt DecimalDigits
  
  negative:
    phase: parse
    type: SyntaxError
  
  features: [numeric-separator-literal]
  ---*/
  
  // throw "Test262: This statement should not be evaluated.";
  
  1\u005F0123456789
  