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// Test that impls on projected self types can resolve overlap, even when the
// projections involve specialization, so long as the associated type is
// provided by the most specialized impl.
#![feature(specialization)]
//~^ WARN the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
trait Assoc {
type Output;
}
impl<T> Assoc for T {
default type Output = bool;
}
impl Assoc for u8 { type Output = u8; }
impl Assoc for u16 { type Output = u16; }
trait Foo {}
impl Foo for u32 {}
impl Foo for <u8 as Assoc>::Output {}
//~^ ERROR conflicting implementations of trait `Foo` for type `u32`
impl Foo for <u16 as Assoc>::Output {}
//~^ ERROR conflicting implementations of trait `Foo` for type `u32`
fn main() {}
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