[Bug c/50521] -fstrict-volatile-bitfields is not strict

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50521

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-09-26 
10:48:15 UTC ---
I don't think volatile union bitfield constitutes a "volatile bitfield" as
per what GCC implements.