https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63239
--- Comment #6 from Mark Wielaard <mark at gcc dot gnu.org> --- It looks like for some reason Darwin defaults to some ancient (v2) strict version of DWARF. Please try adding -gno-strict-dwarf -gdwarf-4 to gcc/testsuite/g++.dg/debug/dwarf2/deleted-member-function.C dg-options.