[Bug tree-optimization/68417] [6 Regression] Missed vectorization opportunity when setting struct field

[afomin.mailbox at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68417

--- Comment #1 from Alexander Fomin <afomin.mailbox at gmail dot com> ---
I'm sorry for the typo above.
Vectorization is OK for r230453, but we miss if-conversion since r230434.