[Webkit-unassigned] [Bug 144945] The liveness pruning done by ObjectAllocationSinkingPhase ignores the possibility of an object's bytecode liveness being longer than its DFG liveness

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=144945

--- Comment #2 from Filip Pizlo <fpizlo at apple.com> ---
(In reply to comment #1)
> Bugs like this make me question why we even make it possible to ask for DFG
> liveness without that answer also telling us the bytecode liveness.

Never mind, that's a dumb observation. The most important client of DFG liveness is AI, which uses it for pruning and doesn't care about bytecode liveness at all.

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