[PATCH] D38599: Remove warnings for dynamic_cast fallback.

[Dan Albert via Phabricator via cfe-commits]

danalbert abandoned this revision.
danalbert added a comment.

nbjoerg and zygoloid got me pointed in the right direction. Both `Base` and `BaseImpl` are missing their key functions, and that's the problem here. Patch should be unnecessary.


https://reviews.llvm.org/D38599