tree 11bea9dc446917b60d15f6d44deacfe52ca82fb8
parent 6cebf7c36fd6b041ed4616ea6342e1e245aa1c98
author Louis Dionne <ldionne@apple.com> 1565634631 +0000
committer Louis Dionne <ldionne@apple.com> 1565634631 +0000

[libc++] Implement CTAD for std::tuple

Summary:
We were using implicit deduction guides instead of explicit ones,
however the implicit ones don't do work anymore when changing the
constructors.

This commit adds the actual guides specified in the Standard to make
libc++ (1) closer to the Standard and (2) more resistent to changes
in std::tuple's constructors.

Reviewers: Quuxplusone

Subscribers: christof, jkorous, dexonsmith, libcxx-commits

Tags: #libc

Differential Revision: https://reviews.llvm.org/D65225

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@368599 91177308-0d34-0410-b5e6-96231b3b80d8