http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52991
--- Comment #12 from Kai Tietz <ktietz at gcc dot gnu.org> 2013-01-09 13:34:07 UTC --- Created attachment 29121 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29121 Testcase for bitfield and structure-aligning via attribute This testcase use aligned/align attribute instead of #pragma pack. With suggested patch applied no regressions to VC results.