text: // Copyright 2019 the V8 project authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  // The following RegExp regression case from
  // https://bugs.chromium.org/p/chromium/issues/detail?id=977003
  let g = "[\\t\\n\\f ]";
  let W = g + "*";
  let h = "[\\ud800-\\udbff][\\udc00-\\udfff]";
  let k = "[\\u0080-\\ud7ff\\ue000-\\ufffd]|" + h;
  let U = "[0-9a-fA-F]{1,6}" + g + "?";
  let E = "(?:" + U + "|[\\u0020-\\u007e\\u0080-\\ud7ff\\ue000\\ufffd]|" + h + ")";
  let m = "\\\\" + E;
  let o = "(?:[\\t\\x21\\x23-\\x26\\x28-\\x5b\\x5d-\\x7e]|" + k + "|" + m + ")";
  let p = '[^\'"\\n\\f\\\\]|\\\\[\\s\\S]';
  let q = '"(?:\'|' + p + ')*"' + '|\'(?:\"|' + p + ')*\'';
  let r = "[-+]?(?:[0-9]+(?:[.][0-9]+)?|[.][0-9]+)";
  let t = "(?:[a-zA-Z_]|" + k + "|" + m + ")";
  let u = "(?:[a-zA-Z0-9_-]|" + k + "|" + m + ")";
  let v = u + "+";
  let I = "-?" + t + u + "*";
  let x = "(?:@?-?" + t + "|#)" + u + "*";
  let y = r + "(?:%|" + I + ")?";
  let z = "url[(]" + W + "(?:" + q + "|" + o + "*)" + W + "[)]";
  let B = "U[+][0-9A-F?]{1,6}(?:-[0-9A-F]{1,6})?";
  let C = "<\!--";
  let F = "-->";
  let S = g + "+";
  let G = "/(?:[*][^*]*[*]+(?:[^/][^*]*[*]+)*/|/[^\\n\\f]*)";
  let J = "(?!url[(])" + I + "[(]";
  let R = "[~|^$*]=";
  let T = '[^"\'\\\\/]|/(?![/*])';
  let V = "\\uFEFF";
  let Y = [V, B, z, J, x, q, y, C, F, S, G, R, T].join("|");
  
  function ComplexGlobalCaseInsensitiveMatch() {
    // keep the RegExp in the measurement but not string concat nor join.
    let X = new RegExp(Y, "gi");
    "abcſABCβκς".match(X);
    "color:".match(X);
  }
  
  benchmarks = [ [ComplexGlobalCaseInsensitiveMatch, () => {}],
               ];
  
  createBenchmarkSuite("ComplexCaseInsensitiveTest");
  