[Bug tree-optimization/78396] [7 regression] gcc.dg/vect/bb-slp-cond-1.c FAILs after fix for PR77848

[wschmidt at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78396

--- Comment #3 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
The ??? comments worry me -- can't this leave us with the same kinds of
regressions that led to PR77848?  I think the specific test in that PR may
regress again.