mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-26 00:34:06 +00:00
22 lines
417 B
Rust
22 lines
417 B
Rust
|
// ICE 'broken MIR: bad assignment: NoSolution'
|
||
|
|
// on trait with default method and no impls
|
||
|
|
// issue: rust-lang/rust#109869
|
||
|
|
|
||
|
|
type Spanned<T> = (T, ());
|
||
|
|
|
||
|
|
trait Span<T> {}
|
||
|
|
|
||
|
|
impl<T> Span<T> for (T, ()) {}
|
||
|
|
|
||
|
|
impl<F, T: From<F>> From<Spanned<F>> for dyn Span<T>
|
||
|
|
where
|
||
|
|
Self: Sized
|
||
|
|
{
|
||
|
|
fn from((from, ()): Spanned<F>) -> Self {
|
||
|
|
(T::from(from), ())
|
||
|
|
//~^ ERROR mismatched types
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn main() {}
|