https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79820
--- Comment #4 from niXman <i.nixman at autistici dot org> --- (In reply to Jonathan Wakely from comment #3) > and it also needs to be done on line 275. why? line 275: https://gcc.gnu.org/viewcvs/gcc/trunk/libstdc%2B%2B-v3/config/io/basic_file_stdio.cc?view=markup#l275