https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90978
--- Comment #8 from Martin Liška <marxin at gcc dot gnu.org> --- > I am guessing that a gcc build with "-ftest-coverage -fprofile-arcs" > would help. Then find unvisited code, then write a test case that gets > there etc I'm running that once a week: https://users.suse.com/~mliska/lcov/
