Remove redundant drop terminators ahead of mir_coroutine_witnesses - #155022

Draft

tmandry wants to merge 10 commits into

rust-lang:mainfrom

tmandry:remove-dead-drops

Commits on Apr 9, 2026

Add mir_post_borrowck_cleanup and use it from mir_coroutine_witnesses
tmandry
committed
c9bcdce
Use mir_post_borrowck_cleanup from everywhere else (coroutines only)
tmandry
committed
3c2bae3
Run RemoveDeadDrops everywhere
tmandry
committed
5b6aa44
remove_dead_drops: run simplify_cfg if anything changed
tmandry
committed
26833b6
restrict to coroutines again for perf
tmandry
committed
11e9fef
Revert "restrict to coroutines again for perf"
tmandry
committed
f42e47a

Commits on Apr 10, 2026

Use a coarse-grained analysis over locals
tmandry
committed
20a428d
Disable simplify_cfg
tmandry
committed
619036b

Commits on Apr 13, 2026

Revert "Disable simplify_cfg"
tmandry
committed
fe8b3d3
Run RemoveDeadDrops ahead of borrowck
tmandry
committed
42549e3