[PATCH] D155506: [clang][JumpDiagnostics] use StmtClass rather than dyn_cast chain NFC

[Dmitri Gribenko via Phabricator via cfe-commits]

gribozavr2 added a comment.

I'm not sure it is actually an anti-pattern. `dyn_cast` will transparently handle subclasses, should any be added in the future, but a switch wouldn't.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D155506/new/

https://reviews.llvm.org/D155506