From 95b3486dc03c18a6b700499defa7a3c8f5bfd8eb Mon Sep 17 00:00:00 2001
From: Graham Dawes <graham.dawes@geoteric.com>
Date: Mon, 7 Jan 2019 10:38:16 +0000
Subject: [PATCH] Fix crash in wxAuiNotebook::DoGetBestSize

---
 src/aui/auibook.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/aui/auibook.cpp b/src/aui/auibook.cpp
index 9c516a4690..ef362a056b 100644
--- a/src/aui/auibook.cpp
+++ b/src/aui/auibook.cpp
@@ -3574,6 +3574,10 @@ wxSize wxAuiNotebook::DoGetBestSize() const
         // Store the current pane with its largest window dimensions
         layouts.push_back(wxAuiLayoutObject(bestPageSize, pInfo));
     }
+
+    if ( layouts.empty() )
+        return wxSize(0, 0);
+
     wxVectorSort(layouts);
 
     /*