[Bug c/83151] Explicit unsigned bitfields are treated as signed ones

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83151

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
So, the top bits are clear, thus ~ sets them and the conversion to unsigned
certainly does change the sign.  So, if you aren't interested in this kind of
warning, don't enable it?