https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91825
--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Created attachment 46902 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46902&action=edit expmed.ii.xz Compiling this with "-Wmaybe-uninitialized -O2" gave the warning (on x86_64 too).