https://gcc.gnu.org/bugzilla/show_bug.cgi?id=8665
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|explicit specialization of |[DR727] explicit
|the member class template |specialization of the
|of a class template |member class template of a
| |class template
CC| |jason at gcc dot gnu.org,
| |ppalka at gcc dot gnu.org
Status|RESOLVED |REOPENED
Resolution|INVALID |---
--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> ---
This was made valid in C++17 (and retroactively) by CWG727.
