rust/tests/ui/consts/intrinsic_without_const_sta...

16 lines
461 B
Rust

#![feature(intrinsics, staged_api)]
#![stable(feature = "core", since = "1.6.0")]
extern "rust-intrinsic" {
fn copy<T>(src: *const T, dst: *mut T, count: usize);
}
#[stable(feature = "rust1", since = "1.0.0")]
#[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")]
#[inline]
pub const unsafe fn stuff<T>(src: *const T, dst: *mut T, count: usize) {
unsafe { copy(src, dst, count) } //~ ERROR cannot call non-const fn
}
fn main() {}