https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68041
--- Comment #10 from Maxim Ostapenko <chefmax at gcc dot gnu.org> --- (In reply to Dominique d'Humieres from comment #9) > > Created attachment 36556 [details] > > The patch I've posted to gcc-patches ML for review. > > I have not tested the part "removes -lc++abi flag for UBSan on Darwin" > (later tonight). > Comment from Iain Sandoe on IRC: > > <iains> we don't use libc++ anyway on GCC, so academic > <iains> i.e. "it seems the right thing to do" The patch was approved by Mike in ML (https://gcc.gnu.org/ml/gcc-patches/2015-10/msg02127.html).