[Bug c++/60976] Compilation with G++ 4.9.0 is 2-3 times slower than with 4.8.2

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60976

--- Comment #31 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Mon Jan 11 16:47:58 2016
New Revision: 232232

URL: https://gcc.gnu.org/viewcvs?rev=232232&root=gcc&view=rev
Log:
allocator_traits<allocator<T>> partial specialization

        PR libstdc++/60976
        * include/bits/alloc_traits.h (allocator_traits<allocator<_Tp>>):
        Define partial specialization.
        * testsuite/20_util/shared_ptr/cons/58659.cc: Add construct and
        destroy members to std::allocator explicit specialization.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/alloc_traits.h
    trunk/libstdc++-v3/testsuite/20_util/shared_ptr/cons/58659.cc