1 files changed, 14 insertions, 0 deletions
diff --git a/lib/AST/ASTImporter.cpp b/lib/AST/ASTImporter.cpp
index 493cb6df8b83b..6e33b98d2f18c 100644
--- a/lib/AST/ASTImporter.cpp
+++ b/lib/AST/ASTImporter.cpp
@@ -319,6 +319,9 @@ namespace clang {
     bool ImportArrayChecked(const InContainerTy &InContainer, OIter Obegin) {
       return ImportArrayChecked(InContainer.begin(), InContainer.end(), Obegin);
     }
+
+    // Importing overrides.
+    void ImportOverrides(CXXMethodDecl *ToMethod, CXXMethodDecl *FromMethod);
   };
 }
 
@@ -2025,6 +2028,9 @@ Decl *ASTNodeImporter::VisitFunctionDecl(FunctionDecl *D) {
   // Add this function to the lexical context.
   LexicalDC->addDeclInternal(ToFunction);
 
+  if (auto *FromCXXMethod = dyn_cast<CXXMethodDecl>(D))
+    ImportOverrides(cast<CXXMethodDecl>(ToFunction), FromCXXMethod);
+
   return ToFunction;
 }
 
@@ -5499,6 +5505,14 @@ Expr *ASTNodeImporter::VisitSubstNonTypeTemplateParmExpr(
         Replacement);
 }
 
+void ASTNodeImporter::ImportOverrides(CXXMethodDecl *ToMethod,
+                                      CXXMethodDecl *FromMethod) {
+  for (auto *FromOverriddenMethod : FromMethod->overridden_methods())
+    ToMethod->addOverriddenMethod(
+      cast<CXXMethodDecl>(Importer.Import(const_cast<CXXMethodDecl*>(
+                                            FromOverriddenMethod))));
+}
+
 ASTImporter::ASTImporter(ASTContext &ToContext, FileManager &ToFileManager,
                          ASTContext &FromContext, FileManager &FromFileManager,
                          bool MinimalImport)