[Bug tree-optimization/107608] [13 Regression] Failure on fold-overflow-1.c and pr95115.c

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107608

--- Comment #14 from Richard Biener <rguenth at gcc dot gnu.org> ---
const_binop has

      /* Don't constant fold this floating point operation if
         the result has overflowed and flag_trapping_math.  */
      if (flag_trapping_math
          && MODE_HAS_INFINITIES (mode)
          && REAL_VALUE_ISINF (result)
          && !REAL_VALUE_ISINF (d1)
          && !REAL_VALUE_ISINF (d2))
        return NULL_TREE;