Chris Denton 8dd26cb195 Rollup merge of #140022 - dianne:box-deref-pats, r=Nadrieril ... allow deref patterns to move out of boxes This adds a case to lower deref patterns on boxes using a built-in deref instead of a `Deref::deref` or `DerefMut::deref_mut` call: if `deref!(inner): Box<T>` is matching on place `place`, the inner pattern `inner` now matches on `*place` rather than a temporary. No longer needing to call a method also means it won't borrow the scrutinee in match arms. This allows for bindings in `inner` to move out of `*place`. For comparison with box patterns, this uses the same MIR lowering but different THIR. Consequently, deref patterns on boxes are treated the same as any other deref patterns in match exhaustiveness analysis. Box patterns can't quite be implemented in terms of deref patterns until exhaustiveness checking for deref patterns is implemented (I'll open a PR for exhaustiveness soon!). Tracking issue: #87121 r? ``@Nadrieril``		2025-04-28 23:29:15 +00:00
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src	Rollup merge of #140022 - dianne:box-deref-pats, r=Nadrieril	2025-04-28 23:29:15 +00:00
Cargo.toml	Use -Wunused_crate_dependencies for compiler crates.	2025-03-20 08:59:43 +11:00
messages.ftl	reword pattern migration diagnostic to make sense in all editions	2025-02-03 01:50:14 -08:00