[clang][NFC] Fix a GCC warning in ASTImporterTest.cpp

Apparently only overriding one of the two CompleteType overloads causes
GCC to emit a warning with -Woverloaded-virtual .

diff --git a/clang/unittests/AST/ASTImporterTest.cpp b/clang/unittests/AST/ASTImporterTest.cpp
index 9cab6cc..ecddd4d 100644 (file)
--- a/clang/unittests/AST/ASTImporterTest.cpp
+++ b/clang/unittests/AST/ASTImporterTest.cpp
@@ -5803,6 +5803,7 @@ struct SourceWithCompletedTagList : clang::ExternalASTSource {
     Record->completeDefinition();
     CompletedTags.push_back(Tag);
   }
+  void CompleteType(ObjCInterfaceDecl *) override {}
 };
 
 TEST_P(ImportWithExternalSource, CompleteRecordBeforeImporting) {