error[E0658]: rust-cold is experimental and subject to change
  --> $DIR/feature-gate-rust_cold_cc.rs:3:8
   |
LL | extern "rust-cold" fn fu() {}
   |        ^^^^^^^^^^^
   |
   = note: see issue #97544 <https://github.com/rust-lang/rust/issues/97544> for more information
   = help: add `#![feature(rust_cold_cc)]` to the crate attributes to enable

error[E0658]: rust-cold is experimental and subject to change
  --> $DIR/feature-gate-rust_cold_cc.rs:6:12
   |
LL |     extern "rust-cold" fn mu();
   |            ^^^^^^^^^^^
   |
   = note: see issue #97544 <https://github.com/rust-lang/rust/issues/97544> for more information
   = help: add `#![feature(rust_cold_cc)]` to the crate attributes to enable

error[E0658]: rust-cold is experimental and subject to change
  --> $DIR/feature-gate-rust_cold_cc.rs:7:12
   |
LL |     extern "rust-cold" fn dmu() {}
   |            ^^^^^^^^^^^
   |
   = note: see issue #97544 <https://github.com/rust-lang/rust/issues/97544> for more information
   = help: add `#![feature(rust_cold_cc)]` to the crate attributes to enable

error[E0658]: rust-cold is experimental and subject to change
  --> $DIR/feature-gate-rust_cold_cc.rs:12:12
   |
LL |     extern "rust-cold" fn mu() {}
   |            ^^^^^^^^^^^
   |
   = note: see issue #97544 <https://github.com/rust-lang/rust/issues/97544> for more information
   = help: add `#![feature(rust_cold_cc)]` to the crate attributes to enable

error[E0658]: rust-cold is experimental and subject to change
  --> $DIR/feature-gate-rust_cold_cc.rs:16:12
   |
LL |     extern "rust-cold" fn imu() {}
   |            ^^^^^^^^^^^
   |
   = note: see issue #97544 <https://github.com/rust-lang/rust/issues/97544> for more information
   = help: add `#![feature(rust_cold_cc)]` to the crate attributes to enable

error[E0658]: rust-cold is experimental and subject to change
  --> $DIR/feature-gate-rust_cold_cc.rs:19:19
   |
LL | type TAU = extern "rust-cold" fn();
   |                   ^^^^^^^^^^^
   |
   = note: see issue #97544 <https://github.com/rust-lang/rust/issues/97544> for more information
   = help: add `#![feature(rust_cold_cc)]` to the crate attributes to enable

error[E0658]: rust-cold is experimental and subject to change
  --> $DIR/feature-gate-rust_cold_cc.rs:21:8
   |
LL | extern "rust-cold" {}
   |        ^^^^^^^^^^^
   |
   = note: see issue #97544 <https://github.com/rust-lang/rust/issues/97544> for more information
   = help: add `#![feature(rust_cold_cc)]` to the crate attributes to enable

error: aborting due to 7 previous errors

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