Remove assignments to ZST places instead of marking ZST return place as unused#83177

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erikdesjardins:zstassign

Mar 23, 2021

Commits on Mar 16, 2021

Commits on Mar 17, 2021

Commits on Mar 18, 2021

Commits on Mar 20, 2021

avoid calling for types which can't be ZSTs
erikdesjardins
committed

Commits on Mar 22, 2021

only run RemoveZsts at mir-opt-level 3 and above
erikdesjardins
committed