[Bug rtl-optimization/70174] [6 Regression] ICE at -O1 and above on x86_64-linux-gnu in gen_lowpart_general, at rtlhooks.c:63

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70174

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #3)
> Though, aarch64 ICEs in the same place, so this is likely not an i386
> backend issue.

Though the revision where the failure starts says something about what to look
into.  That is the code which uses the insv mode specific patterns.