[Bug c/116302] transparent union does not work with {integral type, bitfield struct}

[hpa at zytor dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116302

--- Comment #5 from H. Peter Anvin <hpa at zytor dot com> ---
That's really too bad. It would be a very nice feature to have to migrate a
code base from shift and mask to using bitfields.