[PATCH] D26664: [ObjC] Prevent infinite loops when iterating over redeclaration of a method that was declared in an invalid interface

[Alex Lorenz via cfe-commits]

arphaman added inline comments.


================
Comment at: lib/AST/DeclObjC.cpp:841
+    return nullptr;
+  if (const auto *Ctx = cast<Decl>(Redecl->getDeclContext()))
+    if (Ctx->isInvalidDecl())
----------------
mehdi_amini wrote:
> Either you should use `dyn_cast`, or you should just `cast` but without a `if`
Thanks! Yeah, this is supposed to be `dyn_cast`.


Repository:
  rL LLVM

https://reviews.llvm.org/D26664



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