https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88487
--- Comment #2 from Daniel Fruzynski <bugzi...@poradnik-webmastera.com> --- I spotted that test3 in previous comment uses structure S2 which does not have union inside. When I changes it to use S1, I got non-vectorized code. So this workaround does not work.
