[Bug rtl-optimization/71621] [7 Regression] ICE in assign_by_spills, at lra-assigns.c:1417 (error: unable to find a register to spill) w/ -O2 -mavx2 -ftree-vectorize

[vmakarov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71621

--- Comment #3 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #1)
> Started with r237556, but that just likely made it no longer latent.

Yes, it is a latent bug permitting wrong combination of class and mode for a
reload pseudo.  I am working on it and I hope the fix will be ready on Friday.