From 874890e31793292f71be456ee5a27c194577fbc5 Mon Sep 17 00:00:00 2001
From: Joel Dice <joel.dice@gmail.com>
Date: Fri, 4 Mar 2011 16:01:50 -0700
Subject: [PATCH] assert exception parameter is not null in throw_

---
 src/machine.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/machine.h b/src/machine.h
index 6c3633000f..4031093138 100644
--- a/src/machine.h
+++ b/src/machine.h
@@ -2597,6 +2597,7 @@ inline void NO_RETURN
 throw_(Thread* t, object e)
 {
   assert(t, t->exception == 0);
+  assert(t, e);
 
   expect(t, not t->checkpoint->noThrow);