bjoernager/rust
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Rollup merge of #102675 - ouz-a:mir-technical-debt, r=oli-obk

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Remove `mir::CastKind::Misc`

As discussed in #97649 `mir::CastKind::Misc` is not clear, this PR addresses that by creating a new enum variant for every valid cast.

r? ````@oli-obk````
This commit is contained in:
Matthias Krüger 2022-10-08 14:38:18 +02:00 • committed by GitHub
commit c731646d6a
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25 changed files with 190 additions and 57 deletions
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3
compiler/rustc_mir_dataflow/src/elaborate_drops.rs
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@ -823,9 +823,10 @@ where
// tmp = &raw mut P;
// cur = tmp as *mut T;
// end = Offset(cur, len);
let mir_cast_kind = ty::cast::mir_cast_kind(iter_ty, tmp_ty);
vec![
self.assign(tmp, Rvalue::AddressOf(Mutability::Mut, self.place)),
self.assign(cur, Rvalue::Cast(CastKind::Misc, Operand::Move(tmp), iter_ty)),
self.assign(cur, Rvalue::Cast(mir_cast_kind, Operand::Move(tmp), iter_ty)),
self.assign(
length_or_end,
Rvalue::BinaryOp(