1 files changed, 6 insertions, 0 deletions
diff --git a/lib/AST/ExternalASTMerger.cpp b/lib/AST/ExternalASTMerger.cpp
index 8849cfc3c80b..1dc472a5f753 100644
--- a/lib/AST/ExternalASTMerger.cpp
+++ b/lib/AST/ExternalASTMerger.cpp
@@ -178,3 +178,9 @@ void ExternalASTMerger::FindExternalLexicalDecls(
         }
       });
 }
+
+void ExternalASTMerger::CompleteType(TagDecl *Tag) {
+  SmallVector<Decl *, 0> Result;
+  FindExternalLexicalDecls(Tag, [](Decl::Kind) { return true; }, Result);
+  Tag->setHasExternalLexicalStorage(false);
+}