1 error: any use of this value will cause an error
2 --> $SRC_DIR/core/src/ptr/mod.rs:LL:COL
4 LL | copy_nonoverlapping(src, tmp.as_mut_ptr(), 1);
5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
7 | unable to turn pointer into raw bytes
8 | inside `std::ptr::read::<u8>` at $SRC_DIR/core/src/ptr/mod.rs:LL:COL
9 | inside `ptr::const_ptr::<impl *const u8>::read` at $SRC_DIR/core/src/ptr/const_ptr.rs:LL:COL
10 | inside `C` at $DIR/issue-miri-1910.rs:8:5
12 ::: $DIR/issue-miri-1910.rs:5:1
14 LL | / const C: () = unsafe {
15 LL | | let foo = Some(&42 as *const i32);
16 LL | | let one_and_a_half_pointers = std::mem::size_of::<*const i32>()/2*3;
17 LL | | (&foo as *const _ as *const u8).add(one_and_a_half_pointers).read();
21 = note: `#[deny(const_err)]` on by default
22 = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
23 = note: for more information, see issue #71800 <https://github.com/rust-lang/rust/issues/71800>
25 error: aborting due to previous error