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error: Undefined Behavior: constructing invalid value: encountered an unaligned reference (required ALIGN byte alignment but found ALIGN)
--> tests/fail/unaligned_pointers/reference_to_packed.rs:LL:CC
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LL | mem::transmute(x)
| ^^^^^^^^^^^^^^^^^ Undefined Behavior occurred here
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= 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 `raw_to_ref::<'_, i32>` at tests/fail/unaligned_pointers/reference_to_packed.rs:LL:CC
note: inside `main`
--> tests/fail/unaligned_pointers/reference_to_packed.rs:LL:CC
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LL | let p: &i32 = unsafe { raw_to_ref(ptr::addr_of!(foo.x)) };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace
error: aborting due to 1 previous error
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