rust/tests/ui/coherence/coherence-overlap-negate-alias-strict.rs
2023-01-11 09:32:08 +00:00

20 lines
284 B
Rust

// check-pass
#![feature(negative_impls)]
#![feature(rustc_attrs)]
#![feature(trait_alias)]
#![feature(with_negative_coherence)]
trait A {}
trait B {}
trait AB = A + B;
impl !A for u32 {}
#[rustc_strict_coherence]
trait C {}
impl<T: AB> C for T {}
impl C for u32 {}
fn main() {}