https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88149
--- Comment #7 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Richard Biener from comment #6) > Btw, the reduced testcase also fails before r265959. It looks like the issue > is either very old or got introduced with making the SLP tree a graph. > Well, let's see what tracking down the issue reveals. Right, this reduced code started to fail with r264866.