rust/tests/ui/type-alias-impl-trait/issue-76202-trait-impl-for-...

39 lines
694 B
Rust

// Regression test for issue #76202
// Tests that we don't ICE when we have a trait impl on a TAIT.
//@ revisions: current next
//@ ignore-compare-mode-next-solver (explicit revisions)
//@[next] compile-flags: -Znext-solver
//@ check-pass
#![feature(type_alias_impl_trait)]
trait Test {
fn test(self);
}
impl Test for define::F {
fn test(self) {}
}
// Ok because `i32` does not implement `Dummy`,
// so it can't possibly be the hidden type of `F`.
impl Test for i32 {
fn test(self) {}
}
mod define {
use super::*;
pub trait Dummy {}
impl Dummy for () {}
pub type F = impl Dummy;
pub fn f() -> F {}
}
fn main() {
let x = define::f();
x.test();
}