1 error[E0426]: use of undeclared label `'b`
2 --> $DIR/issue-28109.rs:6:9
5 | ^^ undeclared label `'b`
7 error[E0426]: use of undeclared label `'c`
8 --> $DIR/issue-28109.rs:9:9
11 | ^^ undeclared label `'c`
13 error: aborting due to 2 previous errors
15 For more information about this error, try `rustc --explain E0426`.