[Bug libstdc++/64476] [4.9/5 Regression] std::uninitialized_copy tests assignability the wrong way, resulting in performance pessimization

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64476

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Fri Jan  9 18:02:47 2015
New Revision: 219398

URL: https://gcc.gnu.org/viewcvs?rev=219398&root=gcc&view=rev
Log:
    PR libstdc++/64476
    * include/bits/stl_uninitialized.h (uninitialized_copy): Fix
    is_assignable arguments.
    * testsuite/20_util/specialized_algorithms/uninitialized_copy/64476.cc:
    New.

Added:
   
trunk/libstdc++-v3/testsuite/20_util/specialized_algorithms/uninitialized_copy/64476.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/stl_uninitialized.h