Fix handling of #[must_use] on unit and uninhabited types #54920
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varkor
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| let ty_warned = match t.sty { | ||
| ty::Tuple(ref tys) if tys.is_empty() => return, | ||
| ty::Never => return, | ||
| // FIXME(varkor): replace with `t.is_unit() || t.conservative_is_uninhabited()`. |
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I'll fix this as part of #54125.
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@bors r+ rollup |
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📌 Commit be88961 has been approved by |
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Fix handling of #[must_use] on unit and uninhabited types Fixes rust-lang#54828.
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Fix handling of #[must_use] on unit and uninhabited types Fixes rust-lang#54828.
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Fix handling of #[must_use] on unit and uninhabited types Fixes rust-lang#54828.
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Rollup of 16 pull requests Successful merges: - #54755 (Documents reference equality by address (#54197)) - #54811 (During rustc bootstrap, make default for `optimize` independent of `debug`) - #54825 (NLL says "borrowed content" instead of more precise "dereference of raw pointer") - #54860 (Add doc comments about safest way to initialize a vector of zeros) - #54869 (Fix mobile docs) - #54891 (Fix tracking issue for Once::is_completed) - #54913 (doc fix: it's auto traits that make for automatic implementations) - #54920 (Fix handling of #[must_use] on unit and uninhabited types) - #54932 (A handful of random string-related improvements) - #54936 (impl Eq+Hash for TyLayout) - #54950 (std: Synchronize global allocator on wasm32) - #54956 ("(using ..." doesn't have the matching ")") - #54958 (add a macro for static (compile-time) assertions) - #54967 (Remove incorrect span for second label inner macro invocation) - #54983 (Fix slice's benchmarks) - #54989 (Fix spelling in the documentation to htmldocck.py) Failed merges: r? @ghost
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Fixes #54828.