[PATCH] D54878: [clangd] NFC: Prefer `isa<>` to `dyn_cast<>` to do the checking.

[Henry Wong via Phabricator via cfe-commits]

MTC added a comment.

In D54878#1307726 <https://reviews.llvm.org/D54878#1307726>, @ilya-biryukov wrote:

> But given that `isa<>` are still better than `dyn_cast<>`, this change might still be worth landing.


We can land this change this time or do the cleaning job in other patches in the future, it's all up to you guys, the active clangd contributors.


Repository:
  rCTE Clang Tools Extra

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  https://reviews.llvm.org/D54878/new/

https://reviews.llvm.org/D54878