nodestack: only create may_read_from sets for read operations

[model-checker.git] / nodestack.h

diff --git a/nodestack.h b/nodestack.h
index 11440e5ae5680af381842c3ef81e637dd0e16ee9..974f1a94ad10cefbf59d62b89575de5595879c84 100644 (file)
--- a/nodestack.h
+++ b/nodestack.h
@@ -52,7 +52,7 @@ private:
 
        /** The set of ModelActions that this the action at this Node may read
         *  from. Only meaningful if this Node represents a 'read' action. */
-       action_set_t may_read_from;
+       action_set_t *may_read_from;
 };
 
 typedef std::list<class Node *, MyAlloc< class Node * > > node_list_t;