[Bug libstdc++/115420] Default constructor of unordered_map deleted

[xry111 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115420

Xi Ruoyao <xry111 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |xry111 at gcc dot gnu.org
           Keywords|                            |diagnostic

--- Comment #3 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
Arguably we should try to make a better diagnostic...