tests/ui/methods/supertrait-shadowing/auxiliary/shadowed_stability.rs

#![feature(staged_api)]
#![stable(feature = "main", since = "1.0.0")]

#[stable(feature = "main", since = "1.0.0")]
pub trait A {
    #[stable(feature = "main", since = "1.0.0")]
    fn hello(&self) -> &'static str {
        "A"
    }
}
#[stable(feature = "main", since = "1.0.0")]
impl<T> A for T {}

#[stable(feature = "main", since = "1.0.0")]
pub trait B: A {
    #[unstable(feature = "downstream", issue = "none")]
    fn hello(&self) -> &'static str {
        "B"
    }
}
#[stable(feature = "main", since = "1.0.0")]
impl<T> B for T {}