https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89961
--- Comment #17 from Martin Liška <marxin at gcc dot gnu.org> --- > $ gcov src/a.xxxxx b.yyyyyy --json-format this ought to be src/a.c b.c (but as you noticed gcov deduces .gcda/.gcno files by skipping the last dot component of a path). That's why it works as well.
