error[E0658]: intrinsics are subject to change | |
--> $DIR/feature-gated-feature-in-macro-arg.rs:8:9 | |
| | |
LL | / extern "rust-intrinsic" { | |
LL | | fn atomic_fence(); | |
LL | | } | |
| |_________^ | |
| | |
= help: add `#![feature(intrinsics)]` to the crate attributes to enable | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0658`. |