https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68060
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> --- It's a bogus detected double reduction.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68060
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> --- It's a bogus detected double reduction.