https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120604
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to David Binderman from comment #0) > I just tried a bootstrap with flags "-g -O3 -march=znver3" > with ASAN and UBSAN switched on and got the following: > > trunk/gcc/config/i386/i386-expand.cc:3612:12: runtime error: signed integer > overflow: -577719751371849729 - 8646911284551352320 cannot be represented in > type 'long int' > > The source code line is > > diff = ct - cf; > > After a full git download, git blame says: > > 2bf6d93547e5 gcc/config/i386/i386-expand.c (Martin Liska > 2019-05-06 09:18:26 +0200 3612) diff = ct - cf; That revision was just moving things into a new file. So it is most likely older than that.
