src/test/ui/ffi_const.stderr

   1 error[E0756]: `#[ffi_const]` may only be used on foreign functions
   2   --> $DIR/ffi_const.rs:4:1
   3    |
   4 LL | #[ffi_const]
   5    | ^^^^^^^^^^^^
   6
   7 error: aborting due to previous error
   8
   9 For more information about this error, try `rustc --explain E0756`.