[Bug libstdc++/114865] [13/14/15 Regression] std::atomic<X>::compare_exchange_strong seems to hang under GCC 13 for C++11

[ppalka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114865
Bug 114865 depends on bug 123845, which changed state.

Bug 123845 Summary: allow non-empty constexpr constructor bodies in c++11 as an extension
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123845

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