1export fn entry() void {
 2    var q: u8 = 0;
 3    switch ((&q).*) {
 4        1...2 => {},
 5        0...255 => {},
 6    }
 7}
 8
 9// error
10//
11// :5:10: error: duplicate switch value
12// :4:10: note: previous value here