// |reftest| shell-option(--enable-regexp-modifiers) skip-if(release_or_beta||!xulRuntime.shell) -- regexp-modifiers is not released yet, requires shell-options
// Copyright (C) 2024 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
description: It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code point other than i, m, or s, or if it contains the same code point more than once. (regular expression flags)
esid: sec-patterns-static-semantics-early-errors
features: [regexp-modifiers]
info: |
    Atom :: ( ? RegularExpresisonFlags : Disjunction )
    It is a Syntax Error if the source text matched by RegularExpressionFlags contains any code points other than "i", "m", "s", or if it contains the same code point more than once.

---*/

assert.throws(SyntaxError, function () {
  RegExp("(?1:a)", "");
}, 'RegExp("(?1:a)", ""): ');

reportCompare(0, 0);
