Index: clang/include/clang/Basic/DiagnosticGroups.td
===================================================================
--- clang/include/clang/Basic/DiagnosticGroups.td
+++ clang/include/clang/Basic/DiagnosticGroups.td
@@ -499,6 +499,7 @@
 def Padded : DiagGroup<"padded">;
 
 def PessimizingMove : DiagGroup<"pessimizing-move">;
+def : DiagGroup<"return-std-move-in-c++11">;
 def ReturnStdMove : DiagGroup<"return-std-move">;
 
 def PointerArith : DiagGroup<"pointer-arith">;