[Bug tree-optimization/118046] New: wrong code at -O{2,3} on x86_64-linux-gnu

[zhendong.su at inf dot ethz.ch via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118046

            Bug ID: 118046
           Summary: wrong code at -O{2,3} on x86_64-linux-gnu
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zhendong.su at inf dot ethz.ch
  Target Milestone: ---

This appears to be a recent regression as it doesn't reproduce with 14.2 and
earlier. 

Compiler Explorer: https://godbolt.org/z/3KP9f4n38

[610] % gcctk -v
Using built-in specs.
COLLECT_GCC=gcctk
COLLECT_LTO_WRAPPER=/local/suz-local/software/local/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/15.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../gcc-trunk/configure --disable-bootstrap
--enable-checking=yes --prefix=/local/suz-local/software/local/gcc-trunk
--enable-sanitizers --enable-languages=c,c++ --disable-werror --enable-multilib
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 15.0.0 20241214 (experimental) (GCC) 
[611] % 
[611] % gcctk -O1 small.c; ./a.out
[612] % 
[612] % gcctk -O2 small.c
[613] % ./a.out
Aborted
[614] % 
[614] % cat small.c
volatile int c;
int d, e = 1, *f, g, **h = &f, *i = &d, *a = &g, *b = &d;
char j;
int k(int l, int m) { return l < 0 || (m < 0) >= l ? l : l << m; }
int main() {
  *b = 255;
  *h = a;
  j = *i;
  *f = e && k(j, 1) & (c, 1);
  if (g != 1)
    __builtin_abort();
  return 0;
}