| // Test that we don't hit the recursion limit for short cycles involving lifetimes. |
| |
| // Shouldn't hit this, we should realize that we're in a cycle sooner. |
| #![recursion_limit="20"] |
| |
| trait NotAuto {} |
| trait Y { |
| type P; |
| } |
| |
| impl<'a> Y for C<'a> { |
| type P = Box<X<C<'a>>>; |
| } |
| |
| struct C<'a>(&'a ()); |
| struct X<T: Y>(T::P); |
| |
| impl<T: NotAuto> NotAuto for Box<T> {} //~ NOTE: required |
| impl<T: Y> NotAuto for X<T> where T::P: NotAuto {} |
| impl<'a> NotAuto for C<'a> {} |
| |
| fn is_send<S: NotAuto>() {} |
| //~^ NOTE: required |
| //~| NOTE: required |
| fn main() { |
| // Should only be a few notes. |
| is_send::<X<C<'static>>>(); |
| //~^ ERROR overflow evaluating |
| //~| 3 redundant requirements hidden |
| //~| required because of |
| } |
