https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78631
--- Comment #9 from Ilya Enkovich <ienkovich at gcc dot gnu.org> --- (In reply to H.J. Lu from comment #8) > > MPX wrapper library doesn't call external functions with bounds > and there is no need to use PLT to call internal functions within > MPX wrapper library. It doesn't explain why it doesn't work.