From aa1ffd619d1bf84a8388eb7394034d5064e31558 Mon Sep 17 00:00:00 2001
From: Eric Winer <enwiner@gmail.com>
Date: Fri, 29 Dec 2017 10:53:39 -0500
Subject: [PATCH] fix TypeError when using older solc

---
 src/recorder.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/recorder.js b/src/recorder.js
index 9cea98cf30..12a521f145 100644
--- a/src/recorder.js
+++ b/src/recorder.js
@@ -41,7 +41,7 @@ class Recorder {
             record.contractName = payLoad.contractName
             record.bytecode = payLoad.contractBytecode
             record.linkReferences = selectedContract.object.evm.bytecode.linkReferences
-            if (Object.keys(record.linkReferences).length) {
+            if (record.linkReferences && Object.keys(record.linkReferences).length) {
               for (var file in record.linkReferences) {
                 for (var lib in record.linkReferences[file]) {
                   self.data._linkReferences[lib] = '<address>'