https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83266
--- Comment #2 from Yibiao Yang <yangyibiao at nju dot edu.cn> --- > > $ gcc -fprofile-arcs -ftes-coverage small.c; ./a.out; gcov small.c; cat > small.c.gcov The correct command should be: $ gcc -fprofile-arcs -ftest-coverage small.c; ./a.out; gcov small.c; cat small.c.gcov
