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.