1 error[E0658]: labels on blocks are unstable (see issue #48594)
2 --> $DIR/feature-gate-label_break_value.rs:12:5
4 LL | 'a: { //~ ERROR labels on blocks are unstable
7 = help: add #![feature(label_break_value)] to the crate attributes to enable
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0658`.