3fee0f12e4
Reduce false positives of tail-expr-drop-order from consumed values (attempt #2) r? `@nikomatsakis` Tracked by #123739. Related to #129864 but not replacing, yet. Related to #130836. This is an implementation of the approach suggested in the [Zulip stream](https://rust-lang.zulipchat.com/#narrow/stream/213817-t-lang/topic/temporary.20drop.20order.20changes). A new MIR statement `BackwardsIncompatibleDrop` is added to the MIR syntax. The lint now works by inspecting possibly live move paths before at the `BackwardsIncompatibleDrop` location and the actual drop under the current edition, which should be one before Edition 2024 in practice. |
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