gcc version 4.3.0 20080307 (Red Hat 4.3.0-2) (GCC) $ cat foo.sh #!/bin/sh cat >gcov_test.c <<EOF int main() { return 0; } EOF
gcc gcov_test.c -o gcov_test -fprofile-arcs -ftest-coverage ./gcov_test gcov *.c touch unused.c gcov *.c $ sh foo.sh File 'gcov_test.c' Lines executed:100.00% of 2 gcov_test.c:creating 'gcov_test.c.gcov' unused.gcno:cannot open graph file File 'gcov_test.c' No executable lines gcov_test.c:creating 'gcov_test.c.gcov' -- Summary: missing gcov data spoils other files. Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: gcov-profile AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: ratmice at gmail dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35568