From: Andreas Zwinkau <zwinkau@kit.edu>
Date: Wed, 20 Apr 2011 11:33:06 +0000 (+0200)
Subject: Handle chains of lowerings correctly
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=6522e38f03a92510c47b7d690a284545086f1f55;p=libfirm

Handle chains of lowerings correctly
---

diff --git a/ir/tr/type.c b/ir/tr/type.c
index 85d96e08a..6d4f52fc7 100644
--- a/ir/tr/type.c
+++ b/ir/tr/type.c
@@ -2100,6 +2100,10 @@ void set_lowered_type(ir_type *tp, ir_type *lowered_type)
 {
 	assert(is_type(tp) && is_type(lowered_type));
 	lowered_type->flags |= tf_lowered_type;
+	/* there might be a chain of lowerings, get to the start */
+	while (is_lowered_type(tp)) {
+		tp = tp->assoc_type;
+	}
 	tp->assoc_type = lowered_type;
 	lowered_type->assoc_type = tp;
 }