error: Undefined Behavior: accessing memory with alignment ALIGN, but alignment ALIGN is required
  --> $DIR/unaligned_ptr_addr_of.rs:LL:CC
   |
LL |         let _x = unsafe { ptr::addr_of!(*x) };
   |                           ^^^^^^^^^^^^^^^^^ accessing memory with alignment ALIGN, but alignment ALIGN is required
   |
   = 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 RUSTLIB/core/src/ptr/mod.rs:LL:CC
   = note: this error originates in the macro `ptr::addr_of` (in Nightly builds, run with -Z macro-backtrace for more info)

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

error: aborting due to previous error