https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121439
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Ilya Kurdyukov from comment #5) > Created attachment 62076 [details] > prog.shortlines.c > > > C23 says a min of 4095 character is needed to be supported. > > I can break it into multiple lines, but that won't solve the problem. At least the -O0 case looks like it was fixed on the trunk. 2 minutes (with checking turned on [though not running all the verfification] and stopping a few times in gdb) seems to be in line with clang.