Fix gcc9 "moving a local object in a return statement prevents copy elision" Wpessimi...

diff --git a/llvm/include/llvm/ExecutionEngine/Orc/CompileOnDemandLayer.h b/llvm/include/llvm/ExecutionEngine/Orc/CompileOnDemandLayer.h
index 7946b5b..a1a4a10 100644 (file)
--- a/llvm/include/llvm/ExecutionEngine/Orc/CompileOnDemandLayer.h
+++ b/llvm/include/llvm/ExecutionEngine/Orc/CompileOnDemandLayer.h
@@ -405,7 +405,7 @@ private:
           if (auto Sym = LD.findSymbol(BaseLayer, MangledName, false))
             continue;
           else if (auto Err = Sym.takeError())
-            return std::move(Err);
+            return Err;
         }
 
         // Record all functions defined by this module.