//ww:run-exit 42
// migrated from test/wcc/787_xmod_variant_match.c: bare arm + bound `case let o: pkg.b` + default over an imported 3-variant union.
package main;
import pkg;
fn classify(e: pkg.u2) i32 = {
	match (e) {
	case pkg.a => return 1;
	case let o: pkg.b => return 2;
	case => return 9;
	};
};
export fn main() i32 = {
	if (classify(pkg.mka()) != 1) { return 11; };
	if (classify(pkg.mkb()) != 2) { return 12; };
	if (classify(pkg.mkc()) != 9) { return 13; };
	return 42;
};