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// Regression test for issue #69490
// check-pass
pub trait Trait<T> {
const S: &'static str;
}
impl<T> Trait<()> for T
where
T: for<'a> Trait<&'a ()>,
{
// Use of `T::S` here caused an ICE
const S: &'static str = T::S;
}
// Some similar cases that didn't ICE:
impl<'a, T> Trait<()> for (T,)
where
T: Trait<&'a ()>,
{
const S: &'static str = T::S;
}
impl<T> Trait<()> for [T; 1]
where
T: Trait<for<'a> fn(&'a ())>,
{
const S: &'static str = T::S;
}
fn main() {}
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