[PATCH] D59845: Fix IsStructuralMatch specialization for EnumDecl to prevent re-importing an EnumDecl while trying to complete it

[Jonas Devlieghere via Phabricator via cfe-commits]

JDevlieghere added inline comments.


================
Comment at: lib/AST/ASTImporter.cpp:1951
+  // something we're trying to import while completin ToEnum
+  Decl *ToOrigin = Importer.GetOriginalDecl(ToEnum);
+
----------------
```
if (Decl *ToOrigin = Importer.GetOriginalDecl(ToEnum)) 
  if (auto *ToOriginEnum = dyn_cast<EnumDecl>(ToOrigin))
    ToEnum = ToOriginEnum;
```


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D59845/new/

https://reviews.llvm.org/D59845