rust/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-using-trait-objects.rs

fn foo(x:Box<dyn Fn(&u8, &u8)> , y: Vec<&u8>, z: &u8) {
  y.push(z);
  //~^ ERROR lifetime may not live long enough
  //~| ERROR cannot borrow
}

fn main() { }