[Bug c++/105841] [12/13 Regression] Change in behavior of CTAD for alias templates

[ppalka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105841

Patrick Palka <ppalka at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=102529

--- Comment #5 from Patrick Palka <ppalka at gcc dot gnu.org> ---
PR102529 seems related, though not a regression.  There it's a constraint (on
the alias template) rather than a default template argument that messes us up.