codegen: Drop useless comma expression when handling struct arguments

diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 48f27302af6b12e0eedabcd2400bbbef34f84b6b..2df14098dea06b0b7f4d6cd6eaa90ed7cdc13731 100644 (file)
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -4527,15 +4527,11 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
                                        return new CCodeUnaryExpression (CCodeUnaryOperator.ADDRESS_OF, cexpr);
                                } else {
                                        // if cexpr is e.g. a function call, we can't take the address of the expression
-                                       // (tmp = expr, &tmp)
-                                       var ccomma = new CCodeCommaExpression ();
-
                                        var temp_var = get_temp_variable (type, true, null, false);
                                        emit_temp_var (temp_var);
-                                       ccomma.append_expression (new CCodeAssignment (get_variable_cexpression (temp_var.name), cexpr));
-                                       ccomma.append_expression (new CCodeUnaryExpression (CCodeUnaryOperator.ADDRESS_OF, get_variable_cexpression (temp_var.name)));
 
-                                       return ccomma;
+                                       ccode.add_assignment (get_variable_cexpression (temp_var.name), cexpr);
+                                       return new CCodeUnaryExpression (CCodeUnaryOperator.ADDRESS_OF, get_variable_cexpression (temp_var.name));
                                }
                        }
                }