https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77576
--- Comment #2 from likan_999.student at sina dot com --- Andrew, do you how I can tell whether plugin has been picked by successfully? Also, if I use ar, do I need to pass it some flag, e.g. --plugin=something, or it will just work if it is used normally, e.g. ar rcsD some.a some.o ?