From 2a16d139a29261144327b53022a0ccaf3907ee4e Mon Sep 17 00:00:00 2001
From: frosch <frosch@openttd.org>
Date: Thu, 31 Oct 2013 20:31:10 +0000
Subject: (svn r25934) -Fix [FS#5793]: Do not access items from other pools in
 pool item destructors during pool cleaning.

---
 src/linkgraph/linkgraphjob.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/linkgraph')

diff --git a/src/linkgraph/linkgraphjob.cpp b/src/linkgraph/linkgraphjob.cpp
index ac22a38a4..b6c1747a2 100644
--- a/src/linkgraph/linkgraphjob.cpp
+++ b/src/linkgraph/linkgraphjob.cpp
@@ -41,6 +41,10 @@ LinkGraphJob::~LinkGraphJob()
 {
 	assert(this->thread == NULL);
 
+	/* Don't update stuff from other pools, when everything is being removed.
+	 * Accessing other pools may be invalid. */
+	if (CleaningPool()) return;
+
 	/* Link graph has been merged into another one. */
 	if (!LinkGraph::IsValidID(this->link_graph.index)) return;
 
-- 
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