[Bug c/94631] Wrong codegen for arithmetic on bitfields

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94631

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
>I don't believe there's any language in the standard supporting what GCC is doing here.

Wrong, see C DR 120 where it talks about this specific thing.


See https://gcc.gnu.org/legacy-ml/gcc/2017-10/msg00192.html for on why GCC is
correct (and even why LLVM is correct too).

Even GCC's C++ front-end is differs from GCC's C front-end here too.