Misuse of regular expressions in init_file of feature test.
# limitations under the License.
#mask code line numbers
-- start_matchsubs
-m/\(.*c[p]+:\d+\)/
-s/\(.*c[p]+:\d+\)/(file_and_line)/
+m/\(.*c[p]*:\d+\)/
+s/\(.*c[p]*:\d+\)/(file_and_line)/
-- end_matchsubs
