// Regression test for 159744. This test should not crash or throw an exception. function testRegExp(pattern, flags, string, result) { let r = new RegExp(pattern, flags); if (r.exec(string) !== result) throw("Expected " + r + "exec(\"" + string + "\") to return " + result + "."); } testRegExp("(\\w+)(?:\\s(\\1)){1100000000,}", "i", "word Word WORD WoRd", null); testRegExp("\\d{4,}.{1073741825}", "", "1234567\u1234", null); testRegExp("(?:abcd){2148473648,}", "", "abcdabcdabcd", null); testRegExp("(?:abcd){2148473648,}", "y", "abcdabcdabcd", null); testRegExp("(ab){1073741825,}(xy){1073741825,}", "", "abxyabxy", null);