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From: "shaohua.li at inf dot ethz.ch" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/113898] New: ICE in
 copy_reference_ops_from_ref, at tree-ssa-sccvn.cc:1156
Date: Tue, 13 Feb 2024 08:10:47 +0000
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X-Bugzilla-Component: tree-optimization
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113898

            Bug ID: 113898
           Summary: ICE in copy_reference_ops_from_ref, at
                    tree-ssa-sccvn.cc:1156
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: shaohua.li at inf dot ethz.ch
                CC: rguenth at gcc dot gnu.org
  Target Milestone: ---

gcc at -Os crashed on the test case.

Bisected to r14-8929-g938a419182f


%cat reduced.c
int a, d;
unsigned **b;
long c, f;
long e[2][1];
void g() {
  int h =3D 0;
  for (; h < 2; h++) {
    e[h][d + **b + a] =3D c;
    if (f)
      for (;;)
        ;
  }
}
void main() {}
%
%gcc -Os reduced.c
int a, d;
unsigned **b;
long c, f;
long e[2][1];
void g() {
  int h =3D 0;
  for (; h < 2; h++) {
    e[h][d + **b + a] =3D c;
    if (f)
      for (;;)
        ;
  }
}
void main() {}
%=