From: Matthias Braun <matze@braunis.de>
Date: Thu, 18 Jun 2009 14:47:25 +0000 (+0000)
Subject: transform assert to an if, as some students tend to hit it
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=54c484d60ebde08dd8decd9954412a622a4681f0;p=libfirm

transform assert to an if, as some students tend to hit it

[r26157]
---

diff --git a/ir/ana/irdom.c b/ir/ana/irdom.c
index d9a4dc72b..4d5ef26af 100644
--- a/ir/ana/irdom.c
+++ b/ir/ana/irdom.c
@@ -503,7 +503,11 @@ static void init_tmp_dom_info(ir_node *bl, tmp_dom_info *parent,
 	/* Iterate */
 	for (i = get_Block_n_cfg_outs_ka(bl) - 1; i >= 0; --i) {
 		ir_node *pred = get_Block_cfg_out_ka(bl, i);
-		assert(is_Block(pred));
+		/* can happen for half-optimized dead code (I've seen this in student
+		   projects */
+		if (!is_Block(pred))
+			continue;
+
 		init_tmp_dom_info(pred, tdi, tdi_list, used, n_blocks);
 	}
 }