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

[hpa at zytor dot com via Gcc-bugs]

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

--- Comment #1 from H. Peter Anvin <hpa at zytor dot com> ---
Created attachment 58880
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58880&action=edit
Reproducer (preprocessed)