error[E0015]: calls in constant functions are limited to constant functions, tuple structs and tuple variants
  --> $DIR/intrinsic_without_const_stab.rs:13:14
   |
LL |     unsafe { copy(src, dst, count) }
   |              ^^^^^^^^^^^^^^^^^^^^^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0015`.