| #![feature(intrinsics, staged_api, const_intrinsic_copy)] |
| #![stable(feature = "core", since = "1.6.0")] |
| |
| #[stable(feature = "rust1", since = "1.0.0")] |
| #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")] |
| #[inline] |
| pub const unsafe fn copy<T>(src: *const T, dst: *mut T, count: usize) { |
| // Const stability attributes are not inherited from parent items. |
| extern "rust-intrinsic" { |
| fn copy<T>(src: *const T, dst: *mut T, count: usize); |
| } |
| |
| unsafe { copy(src, dst, count) } |
| //~^ ERROR calls in constant functions are limited to constant functions |
| } |
| |
| fn main() {} |
