diff --git a/llvm/include/llvm/ExecutionEngine/Orc/CompileOnDemandLayer.h b/llvm/include/llvm/ExecutionEngine/Orc/CompileOnDemandLayer.h
index fcb036fa371d..84af4728b350 100644
--- a/llvm/include/llvm/ExecutionEngine/Orc/CompileOnDemandLayer.h
+++ b/llvm/include/llvm/ExecutionEngine/Orc/CompileOnDemandLayer.h
@@ -106,6 +106,7 @@ private:
       SourceModule = std::move(Other.SourceModule);
       StubsToClone = std::move(Other.StubsToClone);
       StubsMgr = std::move(Other.StubsMgr);
+      return *this;
     }
 
     JITSymbol findSymbol(StringRef Name, bool ExportedSymbolsOnly) {