error: Undefined Behavior: `ptr_offset_from` called on two different pointers where the memory range between them is not in-bounds of an allocation
  --> tests/fail/intrinsics/ptr_offset_from_oob.rs:LL:CC
   |
LL |         ptr.wrapping_add(4).offset_from(ptr);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Undefined Behavior occurred here
   |
   = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior
   = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information
   = note: BACKTRACE:
   = note: inside `main` at tests/fail/intrinsics/ptr_offset_from_oob.rs:LL:CC

note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace

error: aborting due to 1 previous error