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Make invalid-value trigger on uninit primitives

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This commit is contained in:
5225225 2022-07-04 23:57:41 +01:00
parent 450e99f937
commit 3e567bcd4f
3 changed files with 32 additions and 10 deletions
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9
compiler/rustc_lint/src/builtin.rs
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@ -2475,6 +2475,15 @@ impl<'tcx> LateLintPass<'tcx> for InvalidValue {
Char if init == InitKind::Uninit => {
Some(("characters must be a valid Unicode codepoint".to_string(), None))
}
Int(_) | Uint(_) if init == InitKind::Uninit => {
Some(("integers must not be uninitialized".to_string(), None))
}
Float(_) if init == InitKind::Uninit => {
Some(("floats must not be uninitialized".to_string(), None))
}
RawPtr(_) if init == InitKind::Uninit => {
Some(("raw pointers must not be uninitialized".to_string(), None))
}
// Recurse and checks for some compound types.
Adt(adt_def, substs) if !adt_def.is_union() => {
// First check if this ADT has a layout attribute (like `NonNull` and friends).