v8/test/message/formal-parameters-trailing-comma.js
wingo 636cb4f365 Factor formal argument parsing into ParserBase
This commit is a precursor to making lazy arrow function parsing use
similar logic to function(){} argument parsing.

Originally landed in these three CLs:

  https://codereview.chromium.org/1078093002
  https://codereview.chromium.org/1083623002
  https://codereview.chromium.org/1083953002

These were rolled out due to a performance regression on CodeLoad.  This
patchset will fix that by avoiding creation of a DuplicateFinder in the
full parser.

R=marja@chromium.org
BUG=
LOG=N

Review URL: https://codereview.chromium.org/1100713002

Cr-Commit-Position: refs/heads/master@{#27960}
2015-04-21 11:09:34 +00:00

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204 B
JavaScript

// Copyright 2015 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.
function foo(b, a, a,) { return a }