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#![feature(const_raw_ptr_deref, never_type)]
const _: &[!; 1] = unsafe { &*(1_usize as *const [!; 1]) }; //~ ERROR undefined behavior
const _: &[!; 0] = unsafe { &*(1_usize as *const [!; 0]) }; // ok
const _: &[!] = unsafe { &*(1_usize as *const [!; 0]) }; // ok
const _: &[!] = unsafe { &*(1_usize as *const [!; 1]) }; //~ ERROR undefined behavior
const _: &[!] = unsafe { &*(1_usize as *const [!; 42]) }; //~ ERROR undefined behavior
fn main() {}
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