File: error-tainting-issue-122904.rs

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// We previously didn't taint the borrowck result in this test,
// causing an ICE later on.
#![feature(type_alias_impl_trait)]
trait T {}

type Alias<'a> = impl T;

struct S;
impl<'a> T for &'a S {}

#[define_opaque(Alias)]
fn with_positive(fun: impl Fn(Alias<'_>)) {
    //~^ WARN function cannot return without recursing
    with_positive(|&n| ());
    //~^ ERROR cannot move out of a shared reference
}

fn main() {}