[Bug c++/68901] UBSan triggers false -Wpadded warning

[hoganmeier at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68901

--- Comment #7 from krux <hoganmeier at gmail dot com> ---
Created attachment 46435
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46435&action=edit
cleanup

The previous patch should also allow removing these hacks (untested).
Though TYPE_ARTIFICIAL wasn't set in any of these cases. Is that normal?