[Bug target/89951] Uncorrect instructions flag for Nehalem / westmere arch

[bratsinot at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89951

--- Comment #4 from Alexander <bratsinot at gmail dot com> ---
(In reply to Uroš Bizjak from comment #2)
> These two flags are irrelevant without -mavx.

But, for example, when i build Qt5 gcc give error about these two instructions.