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//@ compile-flags: -Znext-solver
// Test that we don't incorrectly leak unconstrained inference variables
// if the projection contained an error. This caused an ICE in writeback.
trait Mirror {
type Assoc: ?Sized;
}
struct Wrapper<T: ?Sized>(T);
impl<T: ?Sized> Mirror for Wrapper<T> {
type Assoc = T;
}
fn mirror<W: Mirror>(_: W) -> Box<W::Assoc> { todo!() }
fn type_error() -> TypeError { todo!() }
//~^ ERROR cannot find type `TypeError` in this scope
fn main() {
let x = mirror(type_error());
}
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