[PATCH] D27564: [libcxx] Fix __compressed_pair so it doesn't copy the argument multiple times

[Keno Fischer via Phabricator via cfe-commits]

loladiro added a comment.

I take it this supersedes https://reviews.llvm.org/D24372? I apologize for not getting around to commiting that yet, but if it does supersede that revision, we should probably keep the tests that we have there.


https://reviews.llvm.org/D27564