https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98544
--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> --- Created attachment 49912 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49912&action=edit GIMPLE testcase for one of the miscompiled(?) loops It shows similar vectorized / analysis IL as for the big testcase with -O -ftree-loop-vectorize -mavx2 -fgimple