tests/ui/regions/regions-creating-enums3.rs


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enum Ast<'a> {
    Num(usize),
    Add(&'a Ast<'a>, &'a Ast<'a>)
}

fn mk_add_bad1<'a,'b>(x: &'a Ast<'a>, y: &'b Ast<'b>) -> Ast<'a> {
    Ast::Add(x, y)
    //~^ ERROR lifetime may not live long enough
}

fn main() {
}