Emit immutable references for pure yul code

libsolidity/interface/StandardCompiler.cpp

@@ -1461,36 +1461,36 @@ Json::Value StandardCompiler::compileYul(InputsAndSettings _inputsAndSettings)
 	stack.optimize();
 
 	MachineAssemblyObject object;
-	MachineAssemblyObject runtimeObject;
-	tie(object, runtimeObject) = stack.assembleWithDeployed();
+	MachineAssemblyObject deployedObject;
+	tie(object, deployedObject) = stack.assembleWithDeployed();
 
 	if (object.bytecode)
 		object.bytecode->link(_inputsAndSettings.libraries);
-	if (runtimeObject.bytecode)
-		runtimeObject.bytecode->link(_inputsAndSettings.libraries);
+	if (deployedObject.bytecode)
+		deployedObject.bytecode->link(_inputsAndSettings.libraries);
 
-	for (string const& objectKind: vector<string>{"bytecode", "deployedBytecode"})
+	for (auto&& [kind, isDeployed]: {make_pair("bytecode"s, false), make_pair("deployedBytecode"s, true)})
 		if (isArtifactRequested(
 			_inputsAndSettings.outputSelection,
 			sourceName,
 			contractName,
-			evmObjectComponents(objectKind),
+			evmObjectComponents(kind),
 			wildcardMatchesExperimental
 		))
 		{
-			MachineAssemblyObject const& o = objectKind == "bytecode" ? object : runtimeObject;
+			MachineAssemblyObject const& o = isDeployed ? deployedObject : object;
 			if (o.bytecode)
-				output["contracts"][sourceName][contractName]["evm"][objectKind] =
+				output["contracts"][sourceName][contractName]["evm"][kind] =
 					collectEVMObject(
 						*o.bytecode,
 						o.sourceMappings.get(),
 						Json::arrayValue,
-						false,
-						[&](string const& _element) { return isArtifactRequested(
+						isDeployed,
+						[&, kind = kind](string const& _element) { return isArtifactRequested(
 							_inputsAndSettings.outputSelection,
 							sourceName,
 							contractName,
-							"evm." + objectKind + "." + _element,
+							"evm." + kind + "." + _element,
 							wildcardMatchesExperimental
 						); }
 					);