[Bug middle-end/31469] move_by_pieces in expr.c function bug

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=31469

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2021-08-16
             Status|UNCONFIRMED                 |WAITING
           Keywords|                            |internal-improvement

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
>CHAR_TYPE_SIZE = SHORT_TYPE_SIZE       = INT_TYPE_SIZE
Won't matter in this loop.

what matters is QImode == 1. 

But if the target overrides machmode.def I doubt this can happen
INT_MODE (QI, 1);
INT_MODE (HI, 2);
INT_MODE (SI, 4);
INT_MODE (DI, 8);
INT_MODE (TI, 16);