v8/test/mjsunit/regress/regress-5178.js
neis 4a4f7175df [parser] Fix bug in destructuring binding for catch.
For variables introduced as part of a catch pattern, we used to set their
"initializer position" to the beginning of the pattern.  This lead to
full-codegen eliminating crucial hole checks when reading such variables
inside the pattern itself.

R=adamk@chromium.org, littledan@chromium.org
BUG=v8:5178

Review-Url: https://codereview.chromium.org/2123953002
Cr-Commit-Position: refs/heads/master@{#37569}
2016-07-07 07:31:16 +00:00

8 lines
252 B
JavaScript

// 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.
assertThrows(() => {
try { throw {} } catch({a=b, b}) { a+b }
}, ReferenceError);