src/test/ui/stability-attribute/missing-const-stability.stderr

   1 error: `#[stable]` const functions must also be either `#[rustc_const_stable]` or `#[rustc_const_unstable]`
   2   --> $DIR/missing-const-stability.rs:6:1
   3    |
   4 LL | pub const fn foo() {}
   5    | ^^^^^^^^^^^^^^^^^^^^^
   6
   7 error: aborting due to previous error
   8