hokein added inline comments.
Comment at: test/clang-tidy/misc-unused-using-decls.cpp:191
+// n::N is using in the explicit template instantiations.
+template void h(n::M<N>* t);
> Can you add a test using a non-type template argument, like an integer
> literal? I believe that still causes the diagnostic, though do we want it to?
Yeah, I agree that we need support non-type template arguments in the long
term, but it seems out of scope of this patch (Supporting all non-type template
arguments needs more stuff), I have added to FIXME.
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