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android_external_libcxx/test/libcxx/utilities
Eric Fiselier c71c304663 Rename and rework _LIBCPP_TRIVIAL_PAIR_COPY_CTOR. Move FreeBSD configuration in-tree.
This patch does the following:

* It renames `_LIBCPP_TRIVIAL_PAIR_COPY_CTOR` to `_LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR`.
* It automatically enables this option on FreeBSD in ABI V1, since that's the current ABI FreeBSD ships.
* It cleans up the handling of this option in `std::pair`.

I would like the sign off from the FreeBSD maintainers. They will no longer need to keep their `__config` changes downstream.

I'm still hoping to come up with a better way to maintain the ABI without needing these constructors.

Reviewed in https://reviews.llvm.org/D21329


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@275749 91177308-0d34-0410-b5e6-96231b3b80d8
2016-07-18 01:58:37 +00:00
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