From ad83a135e51f8eeeba4bf51225a13cab6459e021 Mon Sep 17 00:00:00 2001
From: Martin Whitaker <icarus@martin-whitaker.me.uk>
Date: Wed, 8 Nov 2017 20:35:18 +0000
Subject: [PATCH] Fix assertion failure in vvp wide functor.

If the functor output is read before any values have propagated to
the functor inputs, the internal storage won't have been initialised.
---
 vvp/vvp_net.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/vvp/vvp_net.cc b/vvp/vvp_net.cc
index 4138b1699..4b53978fa 100644
--- a/vvp/vvp_net.cc
+++ b/vvp/vvp_net.cc
@@ -3421,7 +3421,8 @@ unsigned vvp_wide_fun_core::port_count() const
 vvp_vector4_t& vvp_wide_fun_core::value(unsigned idx)
 {
       assert(idx < nports_);
-      assert(port_values_);
+      if (port_values_ == 0)
+	    port_values_ = new vvp_vector4_t [nports_];
       return port_values_[idx];
 }