[PATCH] D123901: [LLVM][Casting.h] Allow dyn_cast to return Optional for types that are not constructble from nullptr.

[Aman LaChapelle via Phabricator via llvm-commits]

bzcheeseman added a comment.

Working on updating this in accordance with comments (so folks know I'm not ignoring anyone). Thanks all for the reviews, hope to have an updated patch soon.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D123901/new/

https://reviews.llvm.org/D123901