From 222d0d16e3383051c6fcef7b5e6de2559868c9fd Mon Sep 17 00:00:00 2001
From: Marius Kintel <marius@kintel.net>
Date: Wed, 25 Jan 2012 00:03:27 +0100
Subject: Fixed nasty bug reported by Pasca Andrei - if the underlying cache in
 Tree gets resized during the execution of this method, the reference ceases
 to be valid and causes arbitrary nastyness


diff --git a/src/PolySetEvaluator.cc b/src/PolySetEvaluator.cc
index e0fcf68..537dc9d 100644
--- a/src/PolySetEvaluator.cc
+++ b/src/PolySetEvaluator.cc
@@ -19,7 +19,7 @@
  */
 shared_ptr<PolySet> PolySetEvaluator::getPolySet(const AbstractNode &node, bool cache)
 {
-	const std::string &cacheid = this->tree.getIdString(node);
+	std::string cacheid = this->tree.getIdString(node);
 
 	if (PolySetCache::instance()->contains(cacheid)) {
 #ifdef DEBUG
-- 
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