1 error: pointers cannot be cast to integers during const eval
2 --> $DIR/issue-18294.rs:3:31
4 LL | const Y: usize = unsafe { &X as *const u32 as usize };
5 | ^^^^^^^^^^^^^^^^^^^^^^^^^
7 = note: at compile-time, pointers do not have an integer value
8 = note: avoiding this restriction via `transmute`, `union`, or raw pointers leads to compile-time undefined behavior
10 error: aborting due to previous error