Rollup of 3 pull requests #150158
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Rollup of 3 pull requests #150158
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This avoids having to awkwardly ignore the `Pinnedness` field.
It turns out that lifetime `'a` is just `'tcx` in disguise.
mir_build: Don't use a mixture of THIR pattern kinds for pin-patterns While looking for improvements to match-lowering, I had been trying to figure out why pin-patterns sometimes use `PatKind::Deref` and sometimes use `PatKind::DerefPattern`, which seemed confusing to me. In particular, both pattern kinds are being used with an inner type of `&` or `&mut`, which is very surprising. The conclusion I came to was that `DerefPattern` (normally associated with calls to Deref/DerefMut) was only being used for *implicit* pin-patterns produced by match-ergonomics adjustment, whereas `Deref` was being used for explicit pin-patterns. The inconsistency seems like a mistake to me, so this PR removes all uses of `DerefPattern` for pin-patterns, and consistently uses `PatKind::Deref` for pin-patterns instead. I'm not entirely happy with that outcome, because I think pin-patterns should probably have their own `thir::PatKind` variant, but this change will at least make that easier to achieve in a later PR. r? Nadrieril
mir_build: Remove unnecessary lifetime from THIR `PatCtxt` It turns out that lifetime `'a` is just `'tcx` in disguise.
…athanBrouwer move eii tests Just a little housekeeping. This feature is getting a lot of tests, so it felt good to put some tests for type checking in its own folder to organise a little. Should be trivial!
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Rollup of everything. @bors r+ rollup=never p=5 |
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Successful merges:
PatCtxt#150148 (mir_build: Remove unnecessary lifetime from THIRPatCtxt)r? @ghost
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