https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94541
--- Comment #1 from Iain Buclaw <ibuclaw at gdcproject dot org> ---
(In reply to Iain Buclaw from comment #0)
> A failure is not observed when:
>
> - The condition is: if (b.ptr && b.length)
> - The condition is: if (b.length)
> - The ptr and length fields in Array are swapped.
> - Array is passed by reference.
>
- A call to puts("") is inserted before munmap().
