[Bug tree-optimization/106322] [12/13 Regression] tree-vectorize: Wrong code at O2 level (-fno-tree-vectorize is working) since r12-2404-ga1d27560770818c5

[linkw at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106322

--- Comment #38 from Kewen Lin <linkw at gcc dot gnu.org> ---
Created attachment 53428
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53428&action=edit
untested patch

A untested patch which can make it pass.