[Bug libstdc++/91541] [C++17] Exception specification of operator= of node-based containers may be broken

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91541

--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I can't believe that this has ever caused a real problem, or ever will cause a
real problem.