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:

Attachments:

Description	Flags
Fixes the bug	none

Erik Arvidsson

Reported 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.

Attachments
Fixes the bug (7.18 KB, patch) 2015-05-03 17:04 PDT, Ryosuke Niwa	no flags	Details Formatted Diff Diff
View All Add attachment proposed patch, testcase, etc.

Ryosuke Niwa

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

Ryosuke Niwa

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

Thanks for the reviews, Darin!

Ryosuke Niwa

Comment 3 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>

Ryosuke Niwa

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

All reviewed patches have been landed. Closing bug.

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