1 error[E0426]: use of undeclared label `'a`
2 --> $DIR/label_break_value_invalid.rs:6:19
5 | ^^ undeclared label `'a`
8 | -------- in this macro invocation
10 = note: this error originates in the macro `mac2` (in Nightly builds, run with -Z macro-backtrace for more info)
12 error[E0426]: use of undeclared label `'a`
13 --> $DIR/label_break_value_invalid.rs:28:19
15 LL | let x: u8 = mac3!('b: {
16 | -- a label with a similar name is reachable
21 | undeclared label `'a`
22 | help: try using similarly named label: `'b`
24 error[E0426]: use of undeclared label `'a`
25 --> $DIR/label_break_value_invalid.rs:33:29
27 LL | let x: u8 = mac3!(break 'a 4);
28 | ^^ undeclared label `'a`
30 error: aborting due to 3 previous errors
32 For more information about this error, try `rustc --explain E0426`.