#![feature(core_intrinsics, repr_simd)]

use std::intrinsics::simd::simd_select;

#[repr(simd)]
#[allow(non_camel_case_types)]
#[derive(Copy, Clone)]
struct i32x2([i32; 2]);

fn main() {
    unsafe {
        let x = i32x2([0, 1]);
        simd_select(x, x, x); //~ERROR: must be all-0-bits or all-1-bits
    }
}