Bug 303457

Summary:	AtomString(ASCIILiteral) constructor should not copy the string data.
Product:	WebKit	Reporter:	Mark Lam <mark.lam>
Component:	JavaScriptCore	Assignee:	Mark Lam <mark.lam>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Mark Lam

Reported 2025-12-02 23:36:54 PST

It should create an AtomStringImpl that just points to the ASCIILiteral's data as its backing store instead. This used to be how it worked, but was regressed by 250160@main back in 2022.

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Radar WebKit Bug Importer

Comment 1 2025-12-02 23:37:17 PST

<rdar://problem/165744213>

Mark Lam

Comment 2 2025-12-03 07:54:44 PST

Pull request: https://github.com/WebKit/WebKit/pull/54773

EWS

Comment 3 2025-12-03 18:38:07 PST

Committed 303880@main (55173525c593): <https://commits.webkit.org/303880@main> Reviewed commits have been landed. Closing PR #54773 and removing active labels.

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