| #![feature(intrinsics, rustc_attrs)] | |
| #[rustc_intrinsic] | |
| #[rustc_nounwind] | |
| #[rustc_do_not_const_check] | |
| #[inline] | |
| pub const fn ptr_guaranteed_cmp<T>(ptr: *const T, other: *const T) -> u8 { | |
| (ptr == other) as u8 | |
| } | |
| fn main() { | |
| ptr_guaranteed_cmp::<()>(std::ptr::null(), std::ptr::null()); | |
| //~^ ERROR: can only use intrinsic fallback bodies that exactly reflect the specification | |
| } |