Fixed bug with double deactivate

[r6167]

diff --git a/ir/ir/iredges.c b/ir/ir/iredges.c
index 2a7395c..51a3932 100644 (file)
--- a/ir/ir/iredges.c
+++ b/ir/ir/iredges.c
@@ -248,8 +248,10 @@ void edges_deactivate(ir_graph *irg)
        irg_edge_info_t *info = _get_irg_edge_info(irg);
 
        info->activated = 0;
-       if(info->edges)
+       if(info->edges) {
                del_set(info->edges);
+    info->edges = NULL;
+  }
 }
 
 int (edges_activated)(const ir_graph *irg)