[Bug libstdc++/59603] std::random_shuffle tries to swap element with itself

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59603

--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Fri Sep 12 13:30:35 2014
New Revision: 215219

URL: https://gcc.gnu.org/viewcvs?rev=215219&root=gcc&view=rev
Log:
    PR libstdc++/59603
    * include/bits/stl_algo.h (random_shuffle): Prevent self-swapping.
    * testsuite/25_algorithms/random_shuffle/59603.cc: New.

Added:
    trunk/libstdc++-v3/testsuite/25_algorithms/random_shuffle/59603.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/stl_algo.h