From d97f174cfba15bb67ed5cad0b4ec8a4befa630d2 Mon Sep 17 00:00:00 2001
From: whitequark <cz@m-labs.hk>
Date: Fri, 14 Dec 2018 13:43:25 +0000
Subject: [PATCH] back.pysim: throw exceptions back at processes.

---
 nmigen/back/pysim.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nmigen/back/pysim.py b/nmigen/back/pysim.py
index c7e3f0f..53cb91e 100644
--- a/nmigen/back/pysim.py
+++ b/nmigen/back/pysim.py
@@ -489,6 +489,9 @@ class Simulator:
             self._processes.remove(process)
             self._passive.discard(process)
 
+        except Exception as e:
+            process.throw(e)
+
     def step(self, run_passive=False):
         deadline = None
         if self._wait_deadline:
-- 
2.30.2