error: use of SIMD type `LocalSimd` in FFI is highly experimental and may result in invalid code --> $DIR/feature-gate-simd-ffi.rs:9:17 | LL | fn baz() -> LocalSimd; | ^^^^^^^^^ | = help: add `#![feature(simd_ffi)]` to the crate attributes to enable error: use of SIMD type `LocalSimd` in FFI is highly experimental and may result in invalid code --> $DIR/feature-gate-simd-ffi.rs:10:15 | LL | fn qux(x: LocalSimd); | ^^^^^^^^^ | = help: add `#![feature(simd_ffi)]` to the crate attributes to enable error: aborting due to 2 previous errors