src/test/ui/proc-macro/issue-75930-derive-cfg.stderr

   1 warning: derive helper attribute is used before it is introduced
   2   --> $DIR/issue-75930-derive-cfg.rs:19:3
   3    |
   4 LL | #[print_helper(a)]
   5    |   ^^^^^^^^^^^^
   6 ...
   7 LL | #[derive(Print)]
   8    |          ----- the attribute is introduced here
   9    |
  10    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
  11    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
  12    = note: `#[warn(legacy_derive_helpers)]` on by default
  13
  14 warning: derive helper attribute is used before it is introduced
  15   --> $DIR/issue-75930-derive-cfg.rs:19:3
  16    |
  17 LL | #[print_helper(a)]
  18    |   ^^^^^^^^^^^^
  19 ...
  20 LL | #[derive(Print)]
  21    |          ----- the attribute is introduced here
  22    |
  23    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
  24    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
  25
  26 warning: 2 warnings emitted
  27