From afd8f3b87a9d176b5f40680493c965bb66f8bc33 Mon Sep 17 00:00:00 2001
From: Evgenii Stratonikov <evgeniy@nspcc.ru>
Date: Wed, 17 Jun 2020 11:21:37 +0300
Subject: [PATCH] compiler: push Null item for `nil` values

---
 pkg/compiler/codegen.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkg/compiler/codegen.go b/pkg/compiler/codegen.go
index 9055abd16..27cfeca14 100644
--- a/pkg/compiler/codegen.go
+++ b/pkg/compiler/codegen.go
@@ -586,6 +586,8 @@ func (c *codegen) Visit(node ast.Node) ast.Visitor {
 	case *ast.Ident:
 		if tv := c.typeAndValueOf(n); tv.Value != nil {
 			c.emitLoadConst(tv)
+		} else if n.Name == "nil" {
+			emit.Opcode(c.prog.BinWriter, opcode.PUSHNULL)
 		} else {
 			c.emitLoadVar(n.Name)
 		}