Bug 215675

Summary:	Prune by liveness on a reference to AvailabilityMap should not break validation.
Product:	WebKit	Reporter:	Keith Miller <keith_miller>
Component:	JavaScriptCore	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description Keith Miller 2020-08-19 17:28:30 PDT

In OSR availability's validation phase. If the map that is pruneByLiveness'd on is a reference to the LocalAvailabilityCalculator's one rather than a copy some validation will fail. This seems like a bug.

Comment 1 Radar WebKit Bug Importer 2020-08-26 17:29:17 PDT

<rdar://problem/67839707>