[Bug middle-end/91195] [10 regression] incorrect may be used uninitialized smw (272711, 273474]

[dimhen at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91195

--- Comment #11 from Dmitry G. Dyachenko <dimhen at gmail dot com> ---
r278496 fix my original problem.
Thank you