[Bug libstdc++/55713] std::tuple incorrectly is convertible to "ElementType" when it is an empty class

[jason at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55713
Bug 55713 depends on bug 93711, which changed state.

Bug 93711 Summary: [9 Regression] ICE: [[no_unique_address] when constructing 
via template helper
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93711

           What    |Removed                     |Added
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             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED