[PATCH] D48753: [libcxx] Use custom allocator's `construct` in C++03 when available.

[Volodymyr Sapsai via Phabricator via cfe-commits]

vsapsai updated this revision to Diff 177803.
vsapsai added a comment.

- Update `__has_construct`, `__has_destroy` according to review comments.
- Tighten tests: custom allocators aren't mandated by C++03 but libc++ has the support.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D48753/new/

https://reviews.llvm.org/D48753

Files:
  libcxx/include/memory
  libcxx/test/libcxx/containers/sequences/vector/vector.cons/construct_iter_iter.pass.cpp
  libcxx/test/libcxx/containers/sequences/vector/vector.cons/construct_iter_iter_alloc.pass.cpp
  libcxx/test/std/utilities/memory/allocator.traits/allocator.traits.members/destroy.pass.cpp
  libcxx/test/support/min_allocator.h

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