[Bug middle-end/117128] New: [15 regression] GCC trunk generates larger code than GCC 14 at -Os/OZ

[dccitaliano at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117128

            Bug ID: 117128
           Summary: [15 regression] GCC trunk generates larger code than
                    GCC 14 at -Os/OZ
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dccitaliano at gmail dot com
  Target Milestone: ---

int f(int a) {
  int result = 0;
  for (int i = 0; i < a && (i % 2 == 0 || a > 10); i++) {
    result += i * (a - i);
    for (int j = i; j < a / 2 && (j % 3 != 0 || i < 5); j++) {
      result -= j * (i + j);
    }
  }
  return result;
}


Godbolt: https://godbolt.org/z/qWKWWYb99