From: Clifford Wolf <clifford@clifford.at>
Date: Sat, 16 Apr 2016 21:20:11 +0000 (+0200)
Subject: Minor hashlib bugfix
X-Git-Tag: yosys-0.7~262
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a07f893a5fd018e426e1aa6de7ad986ea8acd468;p=yosys.git

Minor hashlib bugfix
---

diff --git a/kernel/hashlib.h b/kernel/hashlib.h
index abdeefa13..2da53dd8a 100644
--- a/kernel/hashlib.h
+++ b/kernel/hashlib.h
@@ -156,7 +156,7 @@ struct hash_obj_ops {
 	}
 	template<typename T>
 	static inline unsigned int hash(const T *a) {
-		return a->hash();
+		return a ? a->hash() : 0;
 	}
 };