assure doms when calculating liveness

diff --git a/ir/be/belive.c b/ir/be/belive.c
index 7e5121e..07c2ef6 100644 (file)
--- a/ir/be/belive.c
+++ b/ir/be/belive.c
@@ -667,6 +667,7 @@ int be_check_dominance(ir_graph *irg)
 {
        int problem_found = 0;
 
+       assure_doms(irg);
        irg_walk_graph(irg, dom_check, NULL, &problem_found);
 
        return !problem_found;