more asserts

[r13901]

diff --git a/ir/be/bessaconstr.c b/ir/be/bessaconstr.c
index a5c1a35..c550479 100644 (file)
--- a/ir/be/bessaconstr.c
+++ b/ir/be/bessaconstr.c
@@ -144,6 +144,7 @@ static
 ir_node *get_def_at_idom(be_ssa_construction_env_t *env, ir_node *block)
 {
        ir_node *dom = get_Block_idom(block);
+       assert(dom != NULL);
        ir_node *def = search_def_end_of_block(env, dom);
 
        return def;