https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94905
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |needs-bisection --- Comment #15 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Martin Liška from comment #14) > > > > and the partial uninitialized read from it is not what the uninit pass can > > diagnose (it's memory walking stops at the first may-def, it does not > > prune must-def ranges). But even with -fno-tree-loop-distribute-patterns > > -fno-tree-vectorize where we get similar IL as with GCC 11 we do not warn so > > I wonder > > what fixed it on trunk (when you add those options). > > It was fixed with r11-3659-gac1c65ad1a16d83e. But the original testcase still warns on the branch but not trunk, so that cannot be it.