1 error[E0426]: use of undeclared label `'x`
2 --> $DIR/hygienic-label-4.rs:6:16
4 LL | foo!(break 'x); //~ ERROR use of undeclared label `'x`
5 | ^^ did you mean `'x`?
7 error: aborting due to previous error
9 For more information about this error, try `rustc --explain E0426`.