#![feature(repr_simd)] #![feature(platform_intrinsics)] #![allow(non_camel_case_types)] #[repr(simd)] struct i16x8(i16, i16, i16, i16, i16, i16, i16, i16); extern "platform-intrinsic" { fn x86_mm_adds_ep16(x: i16x8, y: i16x8) -> i16x8; //~ ERROR E0441 } fn main() {}