| error[E0658]: `builtin #` syntax is unstable |
| --> $DIR/feature-gate-builtin_syntax.rs:6:15 |
| | |
| LL | builtin # offset_of(Foo, v); |
| | ^^^^^^^^^ |
| | |
| = note: see issue #110680 <https://github.com/rust-lang/rust/issues/110680> for more information |
| = help: add `#![feature(builtin_syntax)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0658`. |
