rust/tests/ui/implied-bounds/ice-unbound-region-vars.rs

25 lines
560 B
Rust

// Because of #109628, we can have unbounded region vars in implied bounds.
// Make sure we don't ICE in this case!
//
//@ check-pass
pub trait MapAccess {
type Error;
fn next_key_seed(&mut self) -> Option<Self::Error>;
}
struct Access<'a> {
_marker: std::marker::PhantomData<&'a ()>,
}
// implied_bounds(Option<Self::Error>) = ['?1: 'a, ]
// where '?1 is a fresh region var.
impl<'a, 'b: 'a> MapAccess for Access<'a> {
type Error = ();
fn next_key_seed(&mut self) -> Option<Self::Error> {
unimplemented!()
}
}
fn main() {}