From e13a52637a8f06f558eaba81ea2e05a1de12a335 Mon Sep 17 00:00:00 2001
From: Cary R <cygcary@yahoo.com>
Date: Tue, 18 Aug 2015 16:21:09 -0700
Subject: [PATCH] A concatenation or the expression being replicated must have
 a non-zero width

---
 elab_expr.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/elab_expr.cc b/elab_expr.cc
index 5e479f6c1..fbaa0246b 100644
--- a/elab_expr.cc
+++ b/elab_expr.cc
@@ -2842,9 +2842,9 @@ NetExpr* PEConcat::elaborate_expr(Design*des, NetScope*scope,
 	    concat->set(idx, parms[off+idx]);
       }
 
-      if (wid_sum == 0 && concat_depth < 2) {
-	    cerr << get_fileline() << ": error: Concatenation may not "
-	         << "have zero width in this context." << endl;
+      if (wid_sum == 0) {
+	    cerr << get_fileline() << ": error: Concatenation/replication "
+	         << "may not have zero width in this context." << endl;
 	    des->errors += 1;
 	    concat_depth -= 1;
 	    delete concat;