Revert "Allow unboxing to detect and delete dead code"

ocaml-flambda / flambda-backend

The Flambda backend project for OCaml

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Revert "Allow unboxing to detect and delete dead code" #2689

Closed mshinwell closed 3 weeks ago

mshinwell commented 3 weeks ago

Reverts ocaml-flambda/flambda-backend#1676

We need to revert #2628 because it is introducing a fair number of float boxing allocations around the place. That conflicts with this and we are in a hurry, so reverting this too.