RESOLVED FIXED303457
AtomString(ASCIILiteral) constructor should not copy the string data. 
https://bugs.webkit.org/show_bug.cgi?id=303457
Summary AtomString(ASCIILiteral) constructor should not copy the string data.
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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