error: any use of this value will cause an error
  --> $DIR/E0396-fixed.rs:5:28
   |
LL | const VALUE: u8 = unsafe { *REG_ADDR };
   | ---------------------------^^^^^^^^^---
   |                            |
   |                            unable to turn bytes into a pointer
   |
   = note: `#[deny(const_err)]` on by default

error: aborting due to previous error