error[E0080]: evaluation of constant value failed
  --> $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
   |
   = note: dereferencing pointer failed: 0x1[noalloc] is a dangling pointer (it has no provenance)
   |
note: inside `NonNull::<u8>::as_ref::<'_>`
  --> $SRC_DIR/core/src/ptr/non_null.rs:LL:COL
note: inside `_`
  --> $DIR/nonnull_as_ref_ub.rs:4:39
   |
LL | const _: () = assert!(42 == *unsafe { NON_NULL.as_ref() });
   |                                       ^^^^^^^^^^^^^^^^^

error: aborting due to previous error

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