From e1d6fd78f43faebc939d57f7c2497a6dc6ba655c Mon Sep 17 00:00:00 2001
From: Martin Whitaker <icarus@martin-whitaker.me.uk>
Date: Mon, 13 Dec 2021 20:45:57 +0000
Subject: [PATCH] Fix genvar increment/decrement operations to be signed (issue
 #568)

---
 pform.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pform.cc b/pform.cc
index d5ab0b630..65fe6ebcb 100644
--- a/pform.cc
+++ b/pform.cc
@@ -3146,7 +3146,7 @@ PExpr* pform_genvar_inc_dec(const struct vlltype&loc, const char*name, bool inc_
       }
 
       PExpr*lval = new PEIdent(lex_strings.make(name));
-      PExpr*rval = new PENumber(new verinum((uint64_t)1, 1));
+      PExpr*rval = new PENumber(new verinum(1));
       FILE_NAME(lval, loc);
       FILE_NAME(rval, loc);