https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81147
--- Comment #5 from Georg-Johann Lay <gjl at gcc dot gnu.org> --- What you mean by "NRVO" and "RVO" ?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81147
--- Comment #5 from Georg-Johann Lay <gjl at gcc dot gnu.org> --- What you mean by "NRVO" and "RVO" ?