//ww:run-exit 42
// Migrated from 774_tagged_widen_named_variant row accept_nested_wrapper.
package main;
type ax = !void;
type inner = !(ax);
type outer = !(inner);
fn f() (size | outer) = {
    let a: ax;
    let i: inner = a;
    let o: outer = i;
    return o;
};
export fn main() i32 = { let r = f(); return 42; };