https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104134
--- Comment #3 from kargl at gcc dot gnu.org --- (In reply to Martin Sebor from comment #2) > Did the file compile without these warnings prior to r12-6729? Yes (with the caveat I don't know if error.c was renamed to error.cc during the great *.c renaming event). I simply changed < and > to a single quote and everything built as expected.