[Bug libstdc++/86168] [9 regression] libstdc++ tests fail with error: call of overloaded 'random_device()' is ambiguous

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86168

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Fri Jun 15 16:11:12 2018
New Revision: 261636

URL: https://gcc.gnu.org/viewcvs?rev=261636&root=gcc&view=rev
Log:
PR libstdc++/86168 fix ambiguous default constructor

        PR libstdc++/86168
        * include/bits/random.h (random_device(const string&)): Remove
        default argument.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/random.h