src/test/ui/feature-gates/feature-gate-rustc-allow-const-fn-unstable.stderr

   1 error[E0658]: rustc_allow_const_fn_unstable side-steps feature gating and stability checks
   2   --> $DIR/feature-gate-rustc-allow-const-fn-unstable.rs:3:1
   3    |
   4 LL | #[rustc_allow_const_fn_unstable()]
   5    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   6    |
   7    = note: see issue #69399 <https://github.com/rust-lang/rust/issues/69399> for more information
   8    = help: add `#![feature(rustc_allow_const_fn_unstable)]` to the crate attributes to enable
   9
  10 error: aborting due to previous error
  11
  12 For more information about this error, try `rustc --explain E0658`.