src/test/ui/regions/regions-creating-enums3.rs

   1 enum Ast<'a> {
   2     Num(usize),
   3     Add(&'a Ast<'a>, &'a Ast<'a>)
   4 }
   5
   6 fn mk_add_bad1<'a,'b>(x: &'a Ast<'a>, y: &'b Ast<'b>) -> Ast<'a> {
   7     Ast::Add(x, y)
   8     //~^ ERROR lifetime may not live long enough
   9 }
  10
  11 fn main() {
  12 }