+ mc_stack_comparison_ignore = xbt_dynar_new(sizeof(mc_stack_ignore_variable_t), stack_ignore_variable_free_voidp);
+
+ mc_stack_ignore_variable_t var = NULL;
+ var = xbt_new0(s_mc_stack_ignore_variable_t, 1);
+ var->var_name = strdup(var_name);
+ var->frame = strdup(frame_name);
+