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From: "acoplan at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug debug/100523] [11/12/13 Regression] armv8.1-m.main
 -fcompare-debug failure with -O -fmodulo-sched -mtune=cortex-a53
Date: Mon, 07 Nov 2022 10:33:11 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100523

--- Comment #4 from Alex Coplan <acoplan at gcc dot gnu.org> ---
Looks like it also falls over with this testcase:

int main_j;
long x;
int main() {
  long crc =3D x;
  for (; main_j; main_j--)
    if (crc)
      crc =3D crc >> 1 ^ 20;
}

which fixes the uninitialized use=