// revisions: base nll
// ignore-compare-mode-nll
//[nll] compile-flags: -Z borrowck=mir

fn foo<'a,'b>(x: &mut Vec<&'a u8>, y: &'b u8) {
    x.push(y);
    //[base]~^ ERROR lifetime mismatch
    //[nll]~^^ ERROR lifetime may not live long enough
}

fn main() { }