src/test/ui/feature-gates/feature-gate-macros_in_extern.stderr

error[E0658]: macro invocations in `extern {}` blocks are experimental
  --> $DIR/feature-gate-macros_in_extern.rs:19:5
   |
LL |     returns_isize!(rust_get_test_int);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = 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/feature-gate-macros_in_extern.rs:21:5
   |
LL |     takes_u32_returns_u32!(rust_dbg_extern_identity_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[E0658]: macro invocations in `extern {}` blocks are experimental
  --> $DIR/feature-gate-macros_in_extern.rs:23:5
   |
LL |     emits_nothing!();
   |     ^^^^^^^^^^^^^^^^^
   |
   = 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`.