src/test/ui/underscore-lifetime/underscore-lifetime-elison-mismatch.rs

   1 // revisions: base nll
   2 // ignore-compare-mode-nll
   3 //[nll] compile-flags: -Z borrowck=mir
   4
   5 fn foo(x: &mut Vec<&'_ u8>, y: &'_ u8) { x.push(y); }
   6 //[base]~^ ERROR lifetime mismatch
   7 //[nll]~^^ ERROR lifetime may not live long enough
   8
   9 fn main() {}