| //! This test shows a situation where through subtle compiler changes we can | |
| //! suddenly infer a different lifetime in the hidden type, and thus not meet | |
| //! the opaque type bounds anymore. In this case `'a` and `'b` are equal, so | |
| //! picking either is fine, but then we'll fail an identity check of the hidden | |
| //! type and the expected hidden type. | |
| // check-pass | |
| fn test<'a: 'b, 'b: 'a>() -> impl IntoIterator<Item = (&'a u8, impl Into<(&'b u8, &'a u8)>)> { | |
| None::<(_, (_, _))> | |
| } | |
| fn main() {} |