https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91749
--- Comment #1 from Christophe Lyon <clyon at gcc dot gnu.org> --- Can you share your configure options? Also, it looks like you are forcing at least -mfdpic when running the testsuite? Why did you put "known to work 9.2", since -mfdpic does not exist in that version?
