diff --git a/clang/lib/Analysis/ThreadSafety.cpp b/clang/lib/Analysis/ThreadSafety.cpp
index 1417a5a..984a5d4 100644
--- a/clang/lib/Analysis/ThreadSafety.cpp
+++ b/clang/lib/Analysis/ThreadSafety.cpp
@@ -257,7 +257,7 @@
 
   struct BeforeInfo {
     BeforeInfo() : Visited(0) {}
-    BeforeInfo(BeforeInfo &&O) : Vect(std::move(O.Vect)), Visited(O.Visited) {}
+    BeforeInfo(BeforeInfo &&) = default;
 
     BeforeVect Vect;
     int Visited;