From 63431fe42a364f257f9d5571433e139d54cd2c11 Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddie@fpgeh.com>
Date: Wed, 11 Sep 2019 14:17:45 -0700
Subject: [PATCH] Fix UB

---
 passes/pmgen/peepopt_dffmux.pmg | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/passes/pmgen/peepopt_dffmux.pmg b/passes/pmgen/peepopt_dffmux.pmg
index 60a708616..fbabf90f0 100644
--- a/passes/pmgen/peepopt_dffmux.pmg
+++ b/passes/pmgen/peepopt_dffmux.pmg
@@ -35,8 +35,8 @@ match cemux
 endmatch
 
 code
-	SigSpec &D = cemux->connections_.at(cemuxAB == \A ? \B : \A);
-	SigSpec &Q = dff->connections_.at(\Q);
+	SigSpec D = port(cemux, cemuxAB == \A ? \B : \A);
+	SigSpec Q = port(dff, \Q);
 	Const rst;
 	if (rstmux)
 		rst = port(rstmux, rstmuxBA).as_const();
-- 
2.30.2