diff options
Diffstat (limited to 'tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop-fail-2.rs')
-rw-r--r-- | tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop-fail-2.rs | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop-fail-2.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop-fail-2.rs new file mode 100644 index 000000000..3de9d37d4 --- /dev/null +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop-fail-2.rs @@ -0,0 +1,43 @@ +// known-bug: #110395 +#![feature(const_trait_impl)] +#![feature(const_mut_refs)] +#![cfg_attr(precise, feature(const_precise_live_drops))] + +use std::marker::{Destruct, PhantomData}; + +struct NonTrivialDrop; + +impl Drop for NonTrivialDrop { + fn drop(&mut self) { + println!("Non trivial drop"); + } +} + +#[const_trait] +trait A { fn a() { } } + +impl A for NonTrivialDrop {} + +struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>); + +impl<T: ~const A> const Drop for ConstDropImplWithBounds<T> { + fn drop(&mut self) { + T::a(); + } +} + +const fn check<T: ~const Destruct>(_: T) {} + +const _: () = check::<ConstDropImplWithBounds<NonTrivialDrop>>( + ConstDropImplWithBounds(PhantomData) +); + +struct ConstDropImplWithNonConstBounds<T: A>(PhantomData<T>); + +impl<T: ~const A> const Drop for ConstDropImplWithNonConstBounds<T> { + fn drop(&mut self) { + T::a(); + } +} + +fn main() {} |