Bug 144284

Summary:

Extending undefined in class syntax should throw a TypeError

Product:

WebKit

Reporter:

Erik Arvidsson <arv>

Component:

JavaScriptCore

Assignee:

Ryosuke Niwa <rniwa>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

barraclough, benjamin, darin, fpizlo, ggaren

Priority:

Version:

528+ (Nightly build)

Hardware:

Unspecified

OS:

Unspecified

Bug Depends on:

Bug Blocks:

140491

Attachments:

Description	Flags
Fixes the bug	none

Description Erik Arvidsson 2015-04-27 15:38:29 PDT

http://trac.webkit.org/browser/trunk/LayoutTests/js/script-tests/class-syntax-extends.js#L73

shouldThrow('new (class extends undefined { constructor () { this } })', '"ReferenceError: Cannot access uninitialized variable."');

the `extends undefined` should throw a TypeError.

Comment 1 Ryosuke Niwa 2015-05-03 17:04:49 PDT

Created attachment 252294 [details]
Fixes the bug

Comment 2 Ryosuke Niwa 2015-05-04 12:24:15 PDT

Thanks for the reviews, Darin!

Comment 3 Ryosuke Niwa 2015-05-04 12:24:40 PDT

Comment on attachment 252294 [details]
Fixes the bug

Clearing flags on attachment: 252294

Committed r183759: <http://trac.webkit.org/changeset/183759>

Comment 4 Ryosuke Niwa 2015-05-04 12:24:46 PDT

All reviewed patches have been landed.  Closing bug.