[Bug sanitizer/114217] -fsanitize=alignment false positive with intended unaligned struct member access

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114217

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
That is if we have:

void f(void)
{
  char t[sizeof(int)] __attribute__((aligned(1)));
  int *a = (int*)&t;
  //
}

The above code is undefined even if you have not accessed via *a at all.