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authorMatthias Krüger <matthias.krueger@famsik.de>2024-12-12 08:07:01 +0100
committerGitHub <noreply@github.com>2024-12-12 08:07:01 +0100
commitd71576da0e8835d830c5c17d76087bd33c43fd5b (patch)
tree38a515d5c764c8452afd7eb68002146b136834b7 /compiler/rustc_interface/src/errors.rs
parent296e0ba26677ff440f7ffb99b2cf9972c9024091 (diff)
parent67df7cbf31c89e0290c9c3a0deb814eb8068ab69 (diff)
downloadrust-d71576da0e8835d830c5c17d76087bd33c43fd5b.tar.gz
rust-d71576da0e8835d830c5c17d76087bd33c43fd5b.zip
Rollup merge of #134152 - nnethercote:simplify-rustc_mir_dataflow-abs_domain, r=compiler-errors
Simplify `rustc_mir_dataflow::abs_domain`.

`rustc_mir_dataflow` has a typedef `AbstractElem` that is equal to `ProjectionElem<AbstractOperand, AbstractType>`. `AbstractOperand` and `AbstractType` are both unit types. There is also has a trait `Lift` to convert a `PlaceElem` to an `AbstractElem`.

But `rustc_mir_middle` already has a typedef `ProjectionKind` that is equal to `ProjectionElem<(), ()>`, which is equivalent to `AbstractElem`. So this commit reuses `ProjectionKind` in `rustc_mir_dataflow`, removes `AbstractElem`, and simplifies the `Lift` trait.

r? ``@pnkfelix``
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