https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108370
--- Comment #3 from dhowells at redhat dot com <dhowells at redhat dot com> --- We don't want to do: return ((unsigned int) bio->bi_flags >> bit & 1) != 0; if we can avoid it as "bit" is usually constant - though I'm guessing the optimiser should handle that?
