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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/102446] [9/10/11/12 Regression] wrong code at
 -O3 on x86_64-linux-gnu
Date: Wed, 22 Sep 2021 11:01:08 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102446

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
int a =3D 1, c, e, f, *j, k, o, *r =3D &f, s;
char b, l;
short d, *g;
unsigned h;
static void m(void);
static inline void n(int);
void p(int *q) {
  while (1) {
    if (*q)
      break;
    if (*g)
      o =3D c;
    while (l)
      ;
  }
}
void t() {
  for (; s < 8; s++)
    m();
}
__attribute__((noinline)) void m() {
  int aa =3D 0, i =3D 0;
  for (; i < 3; i++)
    if (k < 0)
      aa |=3D *j;
  if (d)
    c =3D (h + *g + 2) & c;
  n(aa);
}
static inline __attribute__((always_inline)) void n(int ac) {
  char *ad =3D &b, u =3D ac, *v =3D &b;
  int ae =3D *ad =3D a;
  u && (*v =3D e > 0);
  *r =3D c;
  p(&ae);
}
int main() {
  t();
  return 0;
}

ICEs already in r105000.=