Bug 147105

Summary:

REGRESSION (beween r186927 and r186963): defining a strict arrow function will cause a crash

Product:

WebKit

Reporter:

Claude Pache <claude.pache>

Component:

JavaScriptCore

Assignee:

Nobody <webkit-unassigned>

Status:

RESOLVED FIXED

Severity:

Major

CC:

saam, ysuzuki

Priority:

Version:

528+ (Nightly build)

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
testcase: defining strict arrow function (will crash on load)	none

Description Claude Pache 2015-07-20 03:31:22 PDT

Created attachment 257086 [details]
testcase: defining strict arrow function (will crash on load)

Running the following JS code will produce a crash:

    () => { 'use strict' }

* r186927: no crash
* r186963 or later: crash

Comment 1 Claude Pache 2015-07-20 03:55:01 PDT

Revision 186959 https://trac.webkit.org/changeset/186959 made changes on how functions are parsed. Is it related to this bug?

Comment 2 Saam Barati 2015-07-20 07:40:43 PDT

I fixed this yesterday in:
http://trac.webkit.org/changeset/187014

Comment 3 Claude Pache 2015-07-20 08:18:54 PDT

Verified as fixed in latest nightly (r187018), indeed.