allow several odd weak combinations

[libfirm] / ir / be / bechordal_draw.c

diff --git a/ir/be/bechordal_draw.c b/ir/be/bechordal_draw.c
index f349a76..547319f 100644 (file)
--- a/ir/be/bechordal_draw.c
+++ b/ir/be/bechordal_draw.c
@@ -263,10 +263,9 @@ static void block_dims_walker(ir_node *block, void *data)
        draw_chordal_env_t        *env  = data;
        struct list_head          *head = get_block_border_head(env->chordal_env, block);
        const draw_chordal_opts_t *opts = env->opts;
-       struct block_dims         *dims = obstack_alloc(&env->obst, sizeof(*dims));
+       struct block_dims         *dims = OALLOCZ(&env->obst, struct block_dims);
        border_t                  *b;
 
-       memset(dims, 0, sizeof(*dims));
        dims->min_step = INT_MAX;
 
        list_for_each_entry_reverse(border_t, b, head, list) {