https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120086
--- Comment #9 from Jørgen Kvalsvik <j at lambda dot is> --- Created attachment 61335 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61335&action=edit Patch: fix, printf properly on systems without %zu I just posted this on gcc-patches. It should fix the issue in gcov, could you please test it, John?