Szelethus accepted this revision.
Szelethus added a comment.
This revision is now accepted and ready to land.

> if the dyn_ part is really necessary here, then you crash with a null 
> dereference a few lines below because you didn't check the result

Hmm, can we detect things like this?:

  if (isa<FunctionDecl>(D)) {
    const auto *FD = dyn_cast(D); // warn: D is known to be a FunctionDecl, 
prefer using cast<>
    // ...
  }


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D66847/new/

https://reviews.llvm.org/D66847



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