[Bug libstdc++/104772] std::numeric_limits<__float128> should be specialized

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104772
Bug 104772 depends on bug 99708, which changed state.

Bug 99708 Summary: __SIZEOF_FLOAT128__ not defined on powerpc64le-linux
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99708

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