macro_rules! mac3 {
($val:expr) => {
'a: {
- //~^ WARNING `'a` shadows a label
- //~| WARNING `'a` shadows a label
- //~| WARNING `'a` shadows a label
$val
}
};
}
- let x: u8 = mac3!('b: { //~ WARNING `'b` shadows a label
+ let x: u8 = mac3!('b: {
if true {
break 'a 3; //~ ERROR undeclared label `'a` [E0426]
}