https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71785

--- Comment #13 from Segher Boessenkool <segher at gcc dot gnu.org> ---
(In reply to Aleksey from comment #12)
> But adding these two flags "-fno-reorder-blocks-and-partition
> -fno-reorder-blocks"

If you say that basic blocks should not be reordered, then they
are not.  All behaving perfectly as expected.

These options will cause exactly the same kind of "problems"
everywhere else as well.

> Is it possible to fix that?

Yes, don't use compilers options that degrade performance, if
you want good performance?

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