From 86fbd2b50f81fbe301adce1cfac3d2a9e3551cbf Mon Sep 17 00:00:00 2001
From: "R. Timothy Edwards" <tim@opencircuitdesign.com>
Date: Thu, 23 Jul 2026 15:57:28 -0400
Subject: [PATCH] Corrected a subtle error in "def read" in which if a net
 declares a non-default rule, but then does not contain any routed nets, the
 non-default rule gets accidentally applied to the next routed net, ignoring
 the end-of-statement in between.

---
 VERSION       | 2 +-
 lef/defRead.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/VERSION b/VERSION
index 005d66ed..ee6ab02c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-8.3.676
+8.3.677
diff --git a/lef/defRead.c b/lef/defRead.c
index cac86fde..d289a4c5 100644
--- a/lef/defRead.c
+++ b/lef/defRead.c
@@ -1115,6 +1115,9 @@ DefReadNets(
 		if (dolabels) netname = StrDup((char **)NULL, token);
 		needanno = annotate;
 
+		/* Any nondefault rule resets at the start of a new net. */
+		ruleset = (LefRules *)NULL;
+
 		/* Update the record of the number of nets processed	*/
 		/* and spit out a message for every 5% finished.	*/