Bug 251744

Summary:	shrink StyleRule
Product:	WebKit	Reporter:	Cameron McCormack (:heycam) <heycam>
Component:	CSS	Assignee:	Cameron McCormack (:heycam) <heycam>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description Cameron McCormack (:heycam) 2023-02-04 16:02:39 PST

StyleRules are currently 64 bytes.  We can gain 8 bytes by moving its bool fields to pack with the base class, and another 16 bytes by moving the CSS Nesting related fields off to a rare data object.

Comment 1 Radar WebKit Bug Importer 2023-02-04 16:02:59 PST

<rdar://problem/105046580>

Comment 2 Cameron McCormack (:heycam) 2023-02-04 16:27:23 PST

Pull request: https://github.com/WebKit/WebKit/pull/9580

Comment 3 Cameron McCormack (:heycam) 2023-02-04 16:32:17 PST

Pull request: https://github.com/WebKit/WebKit/pull/9650

Comment 4 EWS 2023-02-05 17:45:29 PST

Committed 259875@main (aea4f3f29a7c): <https://commits.webkit.org/259875@main>

Reviewed commits have been landed. Closing PR #9650 and removing active labels.