https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82394
--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> --- What compiler flags? At -O3 we do optimize both the same.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82394
--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> --- What compiler flags? At -O3 we do optimize both the same.