> .. I think this improvement means that in principle we could revert what we > committed for libstdc++/58625, thus increasing a little the consistency wrt > the other classification facilities in c_global/cmath (and c_std/cmath). Not > sure it's worth it.
Can’t comment on whether it’s worth doing, but yes, with the type-generic __builtin_signbit you can revert that patch with no change to the generated code. FX
