v8/test/mjsunit/regress/regress-585775.js

// Copyright 2016 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.

var pattern = /foo/;
assertEquals(undefined, pattern.compile(pattern));
Return undefined from RegExp.prototype.compile This was changed to match Annex B.2.5.1 of ES2015 and Firefox in https://chromium.googlesource.com/v8/v8/+/469d9bfa, but website breakage was seen in M49 Beta. JSC still returns undefined here. BUG=chromium:585775 LOG=y CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_chromium_rel_ng;tryserver.blink:linux_blink_rel Review URL: https://codereview.chromium.org/1714903004 Cr-Commit-Position: refs/heads/master@{#34172} 2016-02-20 00:35:31 +00:00			`// Copyright 2016 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.`

			`var pattern = /foo/;`
			`assertEquals(undefined, pattern.compile(pattern));`