codegen: Avoid use of temp-var to access in/ref parameters

https://bugzilla.gnome.org/show_bug.cgi?id=789071

diff --git a/codegen/valaccodememberaccessmodule.vala b/codegen/valaccodememberaccessmodule.vala
index 6bb5cb22a6b205f3ddf33cc096d90b1f3ba2a65c..317a54589b454390cceca2773c0062854654e69c 100644 (file)
--- a/codegen/valaccodememberaccessmodule.vala
+++ b/codegen/valaccodememberaccessmodule.vala
@@ -734,7 +734,7 @@ public abstract class Vala.CCodeMemberAccessModule : CCodeControlFlowModule {
                        // special handling for types such as va_list
                        use_temp = false;
                }
-               if (variable is Parameter && variable.name == "this") {
+               if (variable is Parameter && (variable.name == "this" || ((Parameter) variable).direction != ParameterDirection.OUT)) {
                        use_temp = false;
                }
                if (variable.single_assignment && !result.value_type.is_real_non_null_struct_type ()) {