src/test/ui/underscore_const_names_feature_gate.stderr

error[E0658]: naming constants with `_` is unstable (see issue #54912)
  --> $DIR/underscore_const_names_feature_gate.rs:11:1
   |
LL | const _: () = (); //~ ERROR is unstable
   | ^^^^^^^^^^^^^^^^^
   |
   = help: add #![feature(underscore_const_names)] to the crate attributes to enable

error[E0658]: naming constants with `_` is unstable (see issue #54912)
  --> $DIR/underscore_const_names_feature_gate.rs:12:1
   |
LL | static _: () = (); //~ ERROR is unstable
   | ^^^^^^^^^^^^^^^^^^
   |
   = help: add #![feature(underscore_const_names)] to the crate attributes to enable

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0658`.