Index: llvm/trunk/lib/ProfileData/CoverageMapping.cpp
===================================================================
--- llvm/trunk/lib/ProfileData/CoverageMapping.cpp
+++ llvm/trunk/lib/ProfileData/CoverageMapping.cpp
@@ -341,7 +341,7 @@
     // Pop any regions that are left in the stack.
     while (!ActiveRegions.empty())
       popRegion();
-    return Segments;
+    return std::move(Segments);
   }
 };
 }