[Bug tree-optimization/96075] [8 Regression] bogus alignment for negative step grouped access

[clyon at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96075

--- Comment #15 from Christophe Lyon <clyon at gcc dot gnu.org> ---
Yes, the test fails on gcc-10 too.

I tried adding xfail vect_load_lanes in gcc-9, and it correctly makes the test
XFAIL.