diff --git a/clang/include/clang/Frontend/CompilerInvocation.h b/clang/include/clang/Frontend/CompilerInvocation.h
index b79a1a53c1501..45e263e7bc768 100644
--- a/clang/include/clang/Frontend/CompilerInvocation.h
+++ b/clang/include/clang/Frontend/CompilerInvocation.h
@@ -354,6 +354,9 @@ class CowCompilerInvocation : public CompilerInvocationBase {
     deep_copy_assign(X);
   }
 
+  CowCompilerInvocation(CompilerInvocation &&X)
+      : CompilerInvocationBase(std::move(X)) {}
+
   // Const getters are inherited from the base class.
 
   /// Mutable getters.