[PATCH] D23730: [GraphTraits] Replace all NodeType usage with NodeRef

[Tim Shen via cfe-commits]

timshen added a comment.

In https://reviews.llvm.org/D23730#522537, @dblaikie wrote:

> I'd sort of be inclined to remove them, then - but I leave that up to you.


It looks like people create some class, and add GraphTraits specialization for it, in the hope that others can use it, but didn't write a test. The right thing is to add the test, but I'm not going to be the one. :)

So I'll keep them.


https://reviews.llvm.org/D23730