fix activate_backedges failing for nodes with Deleted block in the identities table

diff --git a/ir/ir/iredges.c b/ir/ir/iredges.c
index e54cfa1..08afc4b 100644 (file)
--- a/ir/ir/iredges.c
+++ b/ir/ir/iredges.c
@@ -591,6 +591,8 @@ static void visitor(ir_node *irn, void *data)
 
        if (is_Deleted(irn))
                return;
+       if (!is_Block(irn) && is_Deleted(get_nodes_block(irn)))
+               return;
 
        if (!irn_visited_else_mark(irn)) {
                info->visit(irn, info->data);