[PATCH] D10998: Refactor the POCXX allocator-handling into some common routines, and try them out in vector

[Marshall Clow]

mclow.lists updated this revision to Diff 29367.
mclow.lists added a comment.

Wow - this really grew in the telling (as Prof T would say).

I cut this down to just `swap`, and then reworked the swap for all the containers. 
Turns out that our swaps were never noexcept for the unordered containers, map and set because we wrapped the comparison operators and the hashers, and the wrappers were not noexcept-swappable.

Lots of tests to make sure that they're right now.


http://reviews.llvm.org/D10998

Files:
  include/__hash_table
  include/__split_buffer
  include/__tree
  include/deque
  include/forward_list
  include/list
  include/map
  include/memory
  include/string
  include/unordered_map
  include/unordered_set
  include/vector
  test/std/containers/associative/map/map.special/swap_noexcept.pass.cpp
  test/std/containers/associative/multimap/multimap.special/swap_noexcept.pass.cpp
  test/std/containers/associative/multiset/multiset.special/swap_noexcept.pass.cpp
  test/std/containers/associative/set/set.special/swap_noexcept.pass.cpp
  test/std/containers/sequences/deque/deque.special/swap_noexcept.pass.cpp
  test/std/containers/sequences/forwardlist/forwardlist.spec/swap_noexcept.pass.cpp
  test/std/containers/sequences/list/list.special/swap_noexcept.pass.cpp
  test/std/containers/sequences/vector.bool/swap_noexcept.pass.cpp
  test/std/containers/sequences/vector/vector.special/swap_noexcept.pass.cpp
  test/std/containers/unord/unord.map/unord.map.swap/swap_noexcept.pass.cpp
  test/std/containers/unord/unord.multimap/unord.multimap.swap/swap_noexcept.pass.cpp
  test/std/containers/unord/unord.multiset/unord.multiset.swap/swap_noexcept.pass.cpp
  test/std/containers/unord/unord.set/unord.set.swap/swap_noexcept.pass.cpp
  test/std/strings/basic.string/string.nonmembers/string.special/swap_noexcept.pass.cpp

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