[Mono-devel-list] [PATCH] Make liveness refresh ranges on second scan

[Ben Maurer]

Hello,

Currently, if an instruction is eliminated that reduces the liverange of
a variable and liveness is run a second time, the variable is still
considered to be alive in the places where it was before.

This often prevents variables being allocated into registers, because
they are alive for longer than needed.

Attached is a patch to fix this issue.

-- Ben
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