rust/tests/ui/traits/next-solver/more-object-bound.rs

28 lines
514 B
Rust

//@ compile-flags: -Znext-solver
// From #80800
trait SuperTrait {
type A;
type B;
}
trait Trait: SuperTrait<A = <Self as SuperTrait>::B> {}
fn transmute<A, B>(x: A) -> B {
foo::<A, B, dyn Trait<A = A, B = B>>(x)
//~^ ERROR type mismatch resolving `<dyn Trait<A = A, B = B> as SuperTrait>::A == B`
}
fn foo<A, B, T: ?Sized>(x: T::A) -> B
where
T: Trait<B = B>,
{
x
}
static X: u8 = 0;
fn main() {
let x = transmute::<&u8, &[u8; 1_000_000]>(&X);
println!("{:?}", x[100_000]);
}