https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63177
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- The version-for-alias code makes choices dependent on ordering of data references which changes from time to time. I've repeatedly tried to clean up the code but only manage to break more testcases where the things they are testing are often odd (and wrong?).
