[Bug libstdc++/71004] recursive_directory_iterator does not have a user-provided default ctor

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71004

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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   Target Milestone|---                         |5.4

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Only fixed on trunk so far.