libcxx

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Eric Fiselier db14bcc51c [libcxx] Fix __compressed_pair so it doesn't copy the argument multiple times, and add constexpr.

Summary:
__compressed_pair takes and passes it's constructor arguments by value. This causes arguments to be moved 3 times instead of once. This patch addresses that issue and fixes `constexpr` on the constructors.

I would rather have this fix than D27564, and I'm fairly confident it's not ABI breaking but I'm not 100% sure.

I prefer this solution because it removes a lot of code and makes the implementation *much* smaller.

Reviewers: mclow.lists, K-ballo

Reviewed By: K-ballo

Subscribers: K-ballo, cfe-commits

Differential Revision: https://reviews.llvm.org/D27565

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@300140 91177308-0d34-0410-b5e6-96231b3b80d8

2017-04-12 23:45:53 +00:00

allocator.tag

Move test into test/std subdirectory.

2014-12-20 01:40:03 +00:00

allocator.traits

[libc++] Remove various C++03 feature test macros

2016-09-25 03:34:28 +00:00

allocator.uses

Fix failure on 03 bot

2016-09-22 03:25:22 +00:00

c.malloc

Move test into test/std subdirectory.