https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82614
--- Comment #16 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to PeteVine from comment #15) > No, that's not it - gcov-dump 6/7 have no problem dumping previous versions. > I'm just not sure if the problem with gcov-dump-8 is architecture specific > (ARM) or it's something to do with my setup. I'm going to leave it there. Note that I did some ABI changes of the format in GCC 8. Thus gcov-dump-8 has definitely issue with gcda/gcno files created by an older GCC version.