https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87626
Thomas Schwinge <tschwinge at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2021-08-19 Ever confirmed|0 |1 Status|UNCONFIRMED |NEW CC| |tschwinge at gcc dot gnu.org --- Comment #1 from Thomas Schwinge <tschwinge at gcc dot gnu.org> --- Confirmed, and see also PR69549 "Named Address Spaces does not compile in C++" where similarly it has been noticed that the macros also are defined in C++ mode, yet the functionality not being supported.