rust/tests/ui/traits/new-solver/dont-ice-on-assoc-projection.rs

20 lines
509 B
Rust

// compile-flags: -Ztrait-solver=next-coherence
// Makes sure we don't ICE on associated const projection when the feature gate
// is not enabled, since we should avoid encountering ICEs on stable if possible.
trait Bar {
const ASSOC: usize;
}
impl Bar for () {
const ASSOC: usize = 1;
}
trait Foo {}
impl Foo for () {}
impl<T> Foo for T where T: Bar<ASSOC = 0> {}
//~^ ERROR associated const equality is incomplete
//~| ERROR conflicting implementations of trait `Foo` for type `()`
fn main() {}