codegen: Fix critical with delegate properties

diff --git a/codegen/valaccodememberaccessmodule.vala b/codegen/valaccodememberaccessmodule.vala
index 4fc6fac7ac92776845d277995ab540daafea62f1..af621227b2df04012a7b9fa4a39cfb8b0edc2e2d 100644 (file)
--- a/codegen/valaccodememberaccessmodule.vala
+++ b/codegen/valaccodememberaccessmodule.vala
@@ -435,6 +435,7 @@ public class Vala.CCodeMemberAccessModule : CCodeControlFlowModule {
                                                        emit_temp_var (temp_var);
                                                        ccall.add_argument (new CCodeUnaryExpression (CCodeUnaryOperator.ADDRESS_OF, ctemp));
                                                        set_delegate_target (expr, ctemp);
+                                                       set_delegate_target_destroy_notify (expr, new CCodeConstant ("NULL"));
                                                }
                                        }
                                }