On Fri, Mar 07, 2025 at 11:33:40AM -0800, H. Peter Anvin wrote: > On March 7, 2025 11:30:08 AM PST, Yury Norov <yury.norov@xxxxxxxxx> wrote: [...] > >> Instead of "bool" think of it as "bit" and it makes more sense > > > >So, to help people thinking that way we can introduce a corresponding > >type: > > typedef unsigned _BitInt(1) u1; > > > >It already works for clang, and GCC is going to adopt it with std=c23. > >We can make u1 an alias to bool for GCC for a while. If you guys like > >it, I can send a patch. > > > >For clang it prints quite a nice overflow warning: > > > >tst.c:59:9: warning: implicit conversion from 'int' to 'u1' (aka 'unsigned _BitInt(1)') changes value from 2 to 0 [-Wconstant-conversion] > > 59 | u1 r = 2; > > | ~ ^ > > > >Thanks, > >Yury > > No, for a whole bunch of reasons. Can you please elaborate?
