//ww:run-exit 70
package main;
type th = struct { pc: size, matched: bool };
export fn main() i32 = {
	let xs: []th = [];
	append(xs, th { pc = 7, matched = true });
	let e: th = xs[0];
	if (e.pc != 7) { return 1; };
	if (!e.matched) { return 2; };
	return 70;
};