RESOLVED FIXED303343
Implement a fallback in CompactPtr for storing some pointers that don't fit within 36-bits. 
https://bugs.webkit.org/show_bug.cgi?id=303343
Summary Implement a fallback in CompactPtr for storing some pointers that don't fit w...
Mark Lam
Reported 2025-12-01 14:50:12 PST
The OS linker / loader (at its own discretion) may choose to locate statically allocated objects at addresses that are beyond the 36-bits range (unlike heap addresses which are always within 36-bits). As such, for robustness, CompactPtr should have a fallback system that allows it to encode such outsized pointers.
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Radar WebKit Bug Importer
Comment 1 2025-12-01 14:50:38 PST
<rdar://problem/165647792>
Mark Lam
Comment 2 2025-12-01 15:27:35 PST
Pull request: https://github.com/WebKit/WebKit/pull/54662
EWS
Comment 3 2025-12-02 22:06:52 PST
Committed 303809@main (4d03df5acb1f): <https://commits.webkit.org/303809@main> Reviewed commits have been landed. Closing PR #54662 and removing active labels.
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