[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

--- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Wed May 25 15:44:27 2016
New Revision: 236721

URL: https://gcc.gnu.org/viewcvs?rev=236721&root=gcc&view=rev
Log:
libstdc++/71004 fix recursive_directory_iterator default constructor

Backport from mainline
2016-05-09  Jonathan Wakely  <jwakely@redhat.com>

        PR libstdc++/71004
        * include/experimental/bits/fs_dir.h (recursive_directory_iterator):
        Initialize scalar member variables in default constructor.
        * testsuite/experimental/filesystem/iterators/
        recursive_directory_iterator.cc: Test default construction.

Modified:
    branches/gcc-6-branch/libstdc++-v3/ChangeLog
    branches/gcc-6-branch/libstdc++-v3/include/experimental/bits/fs_dir.h
   
branches/gcc-6-branch/libstdc++-v3/testsuite/experimental/filesystem/iterators/recursive_directory_iterator.cc