1 error: any use of this value will cause an error
2 --> $DIR/ptr_to_usize_cast.rs:6:36
4 LL | const _ERROR: usize = unsafe { &0 as *const i32 as usize };
5 | -------------------------------^^^^^^^^^^^^^^^^^^^^^^^^^---
7 | cannot cast pointer to integer because it was not created by cast from integer
9 = note: `#[deny(const_err)]` on by default
10 = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
11 = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
13 error: aborting due to previous error