| //@ check-pass |
| // https://github.com/rust-lang/rust/issues/55001 |
| #![crate_name="foo"] |
| |
| // Regression test for issue #55001. Previously, we would incorrectly |
| // cache certain trait selection results when checking for blanket impls, |
| // resulting in an ICE when we tried to confirm the cached ParamCandidate |
| // against an obligation. |
| |
| pub struct DefaultAllocator; |
| pub struct Standard; |
| pub struct Inner; |
| |
| pub trait Rand {} |
| |
| pub trait Distribution<T> {} |
| pub trait Allocator<N> {} |
| |
| impl<T> Rand for T where Standard: Distribution<T> {} |
| |
| impl<A> Distribution<Point<A>> for Standard |
| where |
| DefaultAllocator: Allocator<A>, |
| Standard: Distribution<A> {} |
| |
| impl Distribution<Inner> for Standard {} |
| |
| |
| pub struct Point<N> |
| where DefaultAllocator: Allocator<N> |
| { |
| field: N |
| } |
| |
| fn main() {} |
