https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98516
--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> --- Minimal options: g++ pr98516.c -std=c++17 -O1 -ftree-slp-vectorize -fno-signed-zeros -fdbg-cnt=vect_slp:2 while this one is fine: g++ pr98516.c -std=c++17 -O1 -ftree-slp-vectorize -fno-signed-zeros -fdbg-cnt=vect_slp:1