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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug sanitizer/114217] -fsanitize=alignment false positive with
 intended unaligned struct member access
Date: Sun, 03 Mar 2024 07:15:22 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114217

--- 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 =3D (int*)&t;
  //
}

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