[PATCH] D78404: [clang] Implement P0692R1 from C++20 (access checking on specializations)

[Sergej Jaskiewicz via Phabricator via cfe-commits]

broadwaylamb added a comment.

In D78404#1990192 <https://reviews.llvm.org/D78404#1990192>, @rsmith wrote:

> ... please also test ...
>
>   template<typename T> class TemplateClass3<T, &TestClass::func> varTemplate3{};
>
>
> ... which we should diagnose, because that's a primary variable template definition, not a partial / explicit specialization or explicit instantiation.


Interestingly, the latest GCC doesn't diagnose here <https://godbolt.org/z/svejsJ>, but we do. Do we need to remain compatible with GCC in this case?


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