[Bug c++/95486] ICE for alias CTAD with non-dependent argument and constrained constructor

[johelegp at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95486

--- Comment #3 from Johel Ernesto Guerrero Peña <johelegp at gmail dot com> ---
Having only the above unconstrained constructor works as expected, so I suppose
it's valid. See https://godbolt.org/z/nMysB_. The actual use case doesn't
currently have the unconstrained constructor, but does have a constrained
constructor and the ICE would prevent usage of the feature.