http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58319
Manuel López-Ibáñez <manu at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |manu at gcc dot gnu.org --- Comment #4 from Manuel López-Ibáñez <manu at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #3) > You can ensure the value is not too large for the target: > > X x = { .field = ( u & (-1u >> 1) ) }; It would be nice if gcc accepted (unsigned int:31) as a valid type when casting. It would help to avoid other Wconversion warnings. It seems a useful extension to me. Just throwing out the idea there if someone (like the reporter) considered to give it a try.