Track overriding methods when instantiating a template class. Fixes PR5550.

llvm-svn: 89248
diff --git a/clang/lib/Sema/Sema.h b/clang/lib/Sema/Sema.h
index a13ffc5..6a2b6d9 100644
--- a/clang/lib/Sema/Sema.h
+++ b/clang/lib/Sema/Sema.h
@@ -567,6 +567,7 @@
                                      MultiTemplateParamsArg TemplateParamLists,
                                      bool IsFunctionDefinition,
                                      bool &Redeclaration);
+  void AddOverriddenMethods(CXXRecordDecl *DC, CXXMethodDecl *MD);
   void CheckFunctionDeclaration(FunctionDecl *NewFD, NamedDecl *&PrevDecl,
                                 bool IsExplicitSpecialization,
                                 bool &Redeclaration,