src/test/ui/proc-macro/macros-in-extern.stderr

error[E0658]: macro invocations in `extern {}` blocks are experimental
  --> $DIR/macros-in-extern.rs:14:5
   |
LL |     #[empty_attr]
   |     ^^^^^^^^^^^^^
   |
   = note: for more information, see https://github.com/rust-lang/rust/issues/49476
   = help: add `#![feature(macros_in_extern)]` to the crate attributes to enable

error[E0658]: macro invocations in `extern {}` blocks are experimental
  --> $DIR/macros-in-extern.rs:18:5
   |
LL |     #[identity_attr]
   |     ^^^^^^^^^^^^^^^^
   |
   = note: for more information, see https://github.com/rust-lang/rust/issues/49476
   = help: add `#![feature(macros_in_extern)]` to the crate attributes to enable

error[E0658]: macro invocations in `extern {}` blocks are experimental
  --> $DIR/macros-in-extern.rs:22:5
   |
LL |     identity!(fn rust_dbg_extern_identity_u32(arg: u32) -> u32;);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: for more information, see https://github.com/rust-lang/rust/issues/49476
   = help: add `#![feature(macros_in_extern)]` to the crate attributes to enable

error: aborting due to 3 previous errors

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