From: Nick Desaulniers > Sent: 10 August 2022 22:14 > > On Tue, Aug 9, 2022 at 6:08 PM Nathan Chancellor <nathan@xxxxxxxxxx> wrote: > > > > A recent change in clang strengthened its -Wbitfield-constant-conversion > > to warn when 1 is assigned to a 1-bit signed integer bitfield, as it can > > only be 0 or -1, not 1: Is there a -Wsigned-bitfield ? You probably don't ever want the compiler to be generating the code to sign-propagate a bitfield. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)