Michael Park f318b708ef Fix std::visit for the zero variants case. ...

Summary:
The following code is broken:

```
    std::visit([]{});
```

Reviewers: EricWF

Reviewed By: EricWF

Differential Revision: https://reviews.llvm.org/D33090

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@302773 91177308-0d34-0410-b5e6-96231b3b80d8

2017-05-11 07:17:12 +00:00

..

visit.pass.cpp

Fix std::visit for the zero variants case.

2017-05-11 07:17:12 +00:00