rust/tests/ui/traits/alias/issue-107747-do-not-assemble-supertraits.rs

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// Regression test for #107747: methods from trait alias supertraits were brought into scope
//
// check-pass
#![feature(trait_alias)]
use std::fmt;
trait Foo: fmt::Debug {}
trait Bar = Foo;
#[derive(Debug)]
struct Qux(bool);
impl fmt::Display for Qux {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
self.0.fmt(f)
}
}
fn main() {}