[Bug target/71722] incorrect code for test pr64252.c for -mcpu=power9 -mpower9-vector -ftree-vectorize -O3

[acsawdey at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71722

--- Comment #1 from acsawdey at gcc dot gnu.org ---
Created attachment 38809
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38809&action=edit
generated asm