//ww:error "aggregate init from unhandled rhs shape"
package main;
type base = struct { a: size, b: size };
type ali = base;
export fn main() i32 = {
	let x: ali;
	x.a = 4; x.b = 9;
	let v: (void | ali) = x;
	if (!(v is ali)) { return 1; };
	let w = v as ali;
	if (w.b != 9) { return 2; };
	return 0;
};