From b1b04b8e8722ea9006b73ee0bbb593a023643d37 Mon Sep 17 00:00:00 2001
From: Tim Edwards <tim@opencircuitdesign.com>
Date: Wed, 17 Mar 2021 16:31:22 -0400
Subject: [PATCH] Corrected a statement related to proxy pins that can cause a
 segfault condition.

---
 VERSION       | 2 +-
 base/netcmp.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/VERSION b/VERSION
index 274b8fb..b707fed 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.5.171
+1.5.172
diff --git a/base/netcmp.c b/base/netcmp.c
index d50e05a..38887e7 100644
--- a/base/netcmp.c
+++ b/base/netcmp.c
@@ -6913,7 +6913,7 @@ struct nlist *addproxies(struct hashlist *p, void *clientdata)
 		/* But if the target cell instance has proxy(no pins), then reuse
 		 * the record and modify it.
 		 */
-	        if (!strcmp(ob->name, "proxy(no pins)")) {
+	        if (ob && !strcmp(ob->name, "proxy(no pins)")) {
 		   obn = ob;
 		   FREE(ob->name);
 		   obn->name = (char *)MALLOC(strlen(ob->instance.name)