From f755d36829b9f1effd7960fab3a86a141aeb9fea Mon Sep 17 00:00:00 2001
From: dcodeIO <dcode@dcode.io>
Date: Mon, 27 Mar 2017 16:07:47 +0200
Subject: [PATCH] Properly copy fields array before sorting in toObject, fixes
 #729

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

diff --git a/src/converter.js b/src/converter.js
index d62f0a1f5..a696a5543 100644
--- a/src/converter.js
+++ b/src/converter.js
@@ -193,7 +193,7 @@ function genValuePartial_toObject(gen, field, fieldIndex, prop) {
  */
 converter.toObject = function toObject(mtype) {
     /* eslint-disable no-unexpected-multiline, block-scoped-var, no-redeclare */
-    var fields = mtype.fieldsArray.sort(util.compareFieldsById);
+    var fields = mtype.fieldsArray.slice().sort(util.compareFieldsById);
     if (!fields.length)
         return util.codegen()("return {}");
     var gen = util.codegen("m", "o")