https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78399
--- Comment #1 from Luca Stoppa <lucanus81 at gmail dot com> --- Created attachment 40071 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40071&action=edit Optimal code
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78399
--- Comment #1 from Luca Stoppa <lucanus81 at gmail dot com> --- Created attachment 40071 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40071&action=edit Optimal code