From 966eaec1c2c641cfad1e705519e4aaa4b337c34d Mon Sep 17 00:00:00 2001
From: Richard Heck <rgheck@comcast.net>
Date: Sat, 16 Jul 2011 13:50:06 +0000
Subject: [PATCH] Add check for recursive includes.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_2_0_X@39330 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/Buffer.cpp | 4 ++++
 status.20x     | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/src/Buffer.cpp b/src/Buffer.cpp
index 238225bcb3..f3d76b98ef 100644
--- a/src/Buffer.cpp
+++ b/src/Buffer.cpp
@@ -2568,6 +2568,10 @@ void Buffer::collectChildren(ListOfBuffers & clist, bool grand_children) const
 			// there might be grandchildren
 			child->collectChildren(clist, true);
 	}
+	// Make sure we have not included ourselves.
+	ListOfBuffers::iterator bit = find(clist.begin(), clist.end(), this);
+	if (bit != clist.end())
+		clist.erase(bit);
 }
 
 
diff --git a/status.20x b/status.20x
index 3c86fa10f4..ff0c72e406 100644
--- a/status.20x
+++ b/status.20x
@@ -156,6 +156,10 @@ What's new
 
 - Fix output of unicode math from within child documents (bug 7682).
 
+- Added a check for recursive includes that should prevent some of the
+  crashes we see in such cases.
+
+
 * USER INTERFACE
 
 - Fixed crash relating to outliner and mouse movement.
-- 
2.39.5