https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104476
Jason Merrill <jason at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[11/12 Regression] |[11 Regression] using-decl |using-decl shadowed by |shadowed by member function |member function when in |when in incomplete-class |incomplete-class context |context Known to fail|12.0 | Known to work| |12.0 --- Comment #7 from Jason Merrill <jason at gcc dot gnu.org> --- Fixed for GCC 12 so far.