From 1506f08b81fab25087bb449c96d276d294617576 Mon Sep 17 00:00:00 2001
From: Wanda <wanda@phinode.net>
Date: Wed, 31 Jan 2024 00:07:33 +0100
Subject: [PATCH] sim: use `Value.cast` on traces.

See kuznia-rdzeni/coreblocks#357.
---
 amaranth/sim/pysim.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/amaranth/sim/pysim.py b/amaranth/sim/pysim.py
index aac3ab0..0fa9ea0 100644
--- a/amaranth/sim/pysim.py
+++ b/amaranth/sim/pysim.py
@@ -65,6 +65,7 @@ class _VCDWriter:
         trace_names = SignalDict()
         assigned_names = set()
         for trace in traces:
+            trace = Value.cast(trace)
             for trace_signal in trace._rhs_signals():
                 if trace_signal not in signal_names:
                     if trace_signal.name not in assigned_names: