-#if 0
- set *edges; /**< a set containing all edges of a graph. */
-#else
- ir_edgeset_t edges;
- struct obstack edges_obst;
- unsigned allocated : 1;
-#endif
- unsigned activated : 1; /**< set if edges are activated for the graph. */
+ ir_edgeset_t edges; /**< A set containing all edges of the current graph. */
+ struct list_head free_edges; /**< list of all free edges. */
+ struct obstack edges_obst; /**< Obstack, where edges are allocated on. */
+ unsigned allocated : 1; /**< Set if edges are allocated on the obstack. */
+ unsigned activated : 1; /**< Set if edges are activated for the graph. */