//@ build-fail #![feature(repr_simd, intrinsics)] #[repr(simd)] #[derive(Copy, Clone)] #[allow(non_camel_case_types)] struct i32x4([i32; 4]); #[repr(simd)] #[derive(Copy, Clone)] #[allow(non_camel_case_types)] struct i32x8([i32; 8]); #[repr(simd)] #[derive(Copy, Clone)] #[allow(non_camel_case_types)] struct f32x4([f32; 4]); #[repr(simd)] #[derive(Copy, Clone)] #[allow(non_camel_case_types)] struct f32x8([f32; 8]); extern "rust-intrinsic" { fn simd_cast(x: T) -> U; } fn main() { let x = i32x4([0, 0, 0, 0]); unsafe { simd_cast::(0); //~^ ERROR expected SIMD input type, found non-SIMD `i32` simd_cast::(0); //~^ ERROR expected SIMD input type, found non-SIMD `i32` simd_cast::(x); //~^ ERROR expected SIMD return type, found non-SIMD `i32` simd_cast::<_, i32x8>(x); //~^ ERROR return type with length 4 (same as input type `i32x4`), found `i32x8` with length 8 } }