NEW197478
Consider using isLive() check for cells in value profiles 
https://bugs.webkit.org/show_bug.cgi?id=197478
Summary Consider using isLive() check for cells in value profiles
Saam Barati
Reported 2019-05-01 14:53:34 PDT
This would allow us to: - Not update profiles on GC ticks - Not writeBarrier CodeBlocks when they execute Worst case, we see something that lies as to what the value really is. But we shouldn't see garbage.
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Saam Barati
Comment 1 2019-05-01 14:57:04 PDT
(In reply to Saam Barati from comment #0) > This would allow us to: > - Not update profiles on GC ticks > - Not writeBarrier CodeBlocks when they execute > > Worst case, we see something that lies as to what the value really is. But > we shouldn't see garbage. We also wouldn't have to emit a writeBarrier for OSR exit.
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