// https://github.com/rust-lang/rust/issues/73481 // This test used to cause unsoundness, since one of the two possible // resolutions was chosen at random instead of erroring due to conflicts. #![feature(type_alias_impl_trait)] type X = impl Into<&'static A>; fn f(a: &'static A, b: B) -> (X, X) { //~^ ERROR the trait bound `&'static B: From<&A>` is not satisfied (a, a) } fn main() { println!("{}", as Into<&String>>::into(f(&[1isize, 2, 3], String::new()).1)); }