https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63239
--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> --- You should pass -gno-strict-dwarf unconditionally, I think vxworks has similar defaults as darwin.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63239
--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> --- You should pass -gno-strict-dwarf unconditionally, I think vxworks has similar defaults as darwin.