fix rpass core-run-destroy for android #10336
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bors
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Nov 7, 2013
…droid, r=yichoi fix rpass core-run-destroy for android
Jarcho
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Feb 26, 2023
manual_let_else: do not suggest semantically different replacements
The problem is that this lint does not consider the possibility that the divergent branch can come first and that the patterns may overlap. This led to incorrect suggestions, previously registered as correct in the tests themselves:
```rust
let v = match build_enum() {
_ => continue,
Variant::Bar(v) | Variant::Baz(v) => v,
};
```
had a `let Variant::Bar(v) | Variant::Baz(v) = v else { continue; }` suggestion, which is obviously wrong as the original code `continue`s in any case. Issue rust-lang#10241 gives another example.
The code now checks that the divergent branch comes second. It could be extended later (I've added a TODO) to check for non-overlapping patterns.
Fixes rust-lang#10241.
changelog: [`manual_let_else`] do not suggest non equivalent replacements in `match`
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fix rpass core-run-destroy for android