[Bug target/126446] [13/14/15/16/17 Regression] X86-64: ICE at -O1 -mavx2 during RTL pass: vregs since r12-2085

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126446

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
ISEL at least attempts to only lower in-bound accesses (of course for
non-constant it cannot guarantee that).