error[E0080]: evaluation of constant value failed
  --> $DIR/const-ub-checks.rs:LL:CC
   |
LL |     ptr.read();
   |     ^^^^^^^^^^ accessing memory based on pointer with alignment ALIGN, but alignment ALIGN is required

note: erroneous constant encountered
  --> $DIR/const-ub-checks.rs:LL:CC
   |
LL |     let _x = UNALIGNED_READ;
   |              ^^^^^^^^^^^^^^

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0080`.