From fada09a2ccc11a3a1d308e810f1336d8df6011fd Mon Sep 17 00:00:00 2001
From: Albert Astals Cid <aacid@kde.org>
Date: Mon, 18 Mar 2019 00:50:00 +0100
Subject: pdfunite: Fix stack overflow on broken file

Fixes issue #741

diff --git a/poppler/PDFDoc.cc b/poppler/PDFDoc.cc
index 26842f84..ab4abcad 100644
--- a/poppler/PDFDoc.cc
+++ b/poppler/PDFDoc.cc
@@ -1703,7 +1703,7 @@ void PDFDoc::markObject (Object* obj, XRef *xRef, XRef *countRef, unsigned int n
       array = obj->getArray();
       for (int i=0; i<array->getLength(); i++) {
         Object obj1 = array->getNF(i);
-        markObject(&obj1, xRef, countRef, numOffset, oldRefNum, newRefNum);
+        markObject(&obj1, xRef, countRef, numOffset, oldRefNum, newRefNum, alreadyMarkedDicts);
       }
       break;
     case objDict: