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

[Mehdi AMINI via cfe-commits]

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

LGTM, thks.
(See one inline comment to fix though)



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


Repository:
  rL LLVM

https://reviews.llvm.org/D26664