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https://github.com/rust-lang/rust-clippy
synced 2024-11-24 13:43:17 +00:00
84b6049eb9
rustc has proper heuristics for actually checking whether a type allows being left uninitialized (by asking CTFE). We can now use this for our helper instead of rolling our own bad version with false positives.
22 lines
824 B
Text
22 lines
824 B
Text
error: this call for this type may be undefined behavior
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--> $DIR/uninit.rs:12:29
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LL | let _: usize = unsafe { MaybeUninit::uninit().assume_init() };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: `#[deny(clippy::uninit_assumed_init)]` on by default
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error: this call for this type may be undefined behavior
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--> $DIR/uninit.rs:33:29
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LL | let _: usize = unsafe { mem::MaybeUninit::uninit().assume_init() };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: this call for this type may be undefined behavior
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--> $DIR/uninit.rs:39:29
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LL | let _: T = unsafe { mem::MaybeUninit::uninit().assume_init() };
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: aborting due to 3 previous errors
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