From 01afe9328b3ddf51c1ab2725684fc542bc81f76c Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Sun, 6 Dec 2015 20:53:54 +0100
Subject: [PATCH] libmp: fix assert() for mpexp() with nil modulus

---
 sys/src/libmp/port/mpexp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/src/libmp/port/mpexp.c b/sys/src/libmp/port/mpexp.c
index 1ebabba93..534fb33a9 100644
--- a/sys/src/libmp/port/mpexp.c
+++ b/sys/src/libmp/port/mpexp.c
@@ -22,7 +22,7 @@ mpexp(mpint *b, mpint *e, mpint *m, mpint *res)
 	mpdigit d, bit;
 	int i, j;
 
-	assert(m->flags & MPnorm);
+	assert(m == nil || m->flags & MPnorm);
 	assert((e->flags & MPtimesafe) == 0);
 	res->flags |= b->flags & MPtimesafe;