diff --git a/tools/dsymutil/DwarfLinker.cpp b/tools/dsymutil/DwarfLinker.cpp
index 7c2be163c75..628643ce7b3 100644
--- a/tools/dsymutil/DwarfLinker.cpp
+++ b/tools/dsymutil/DwarfLinker.cpp
@@ -64,6 +64,12 @@ public:
     Info.resize(OrigUnit.getNumDIEs());
   }
 
+  // Workaround MSVC not supporting implicit move ops
+  CompileUnit(CompileUnit &&RHS)
+      : OrigUnit(RHS.OrigUnit), Info(std::move(RHS.Info)),
+        CUDie(std::move(RHS.CUDie)), StartOffset(RHS.StartOffset),
+        NextUnitOffset(RHS.NextUnitOffset) {}
+
   DWARFUnit &getOrigUnit() const { return OrigUnit; }
 
   DIE *getOutputUnitDIE() const { return CUDie.get(); }