From fcb4b74d9ae5d06660c82d4714dc0fb5efabf9d0 Mon Sep 17 00:00:00 2001
From: clifford <clifford@b57f626f-c46c-0410-a088-ec61d464b74c>
Date: Sat, 9 Jan 2010 22:43:33 +0000
Subject: Clifford Wolf & Marius Kintel: 	Fixed memory corruption

git-svn-id: http://svn.clifford.at/openscad/trunk@257 b57f626f-c46c-0410-a088-ec61d464b74c

diff --git a/MainWindow.h b/MainWindow.h
index 9c4e51a..40af75b 100644
--- a/MainWindow.h
+++ b/MainWindow.h
@@ -21,6 +21,7 @@ public:
 
 	Context root_ctx;
 	AbstractModule *root_module;      // Result of parsing
+	ModuleInstantiation root_inst;    // Top level instance
 	AbstractNode *absolute_root_node; // Result of tree evaluation
 	AbstractNode *root_node;          // Root if the root modifier (!) is used
 
diff --git a/mainwin.cc b/mainwin.cc
index 7433def..8265b6a 100644
--- a/mainwin.cc
+++ b/mainwin.cc
@@ -518,10 +518,8 @@ void MainWindow::compile(bool procevents)
 		QApplication::processEvents();
 
 	AbstractNode::idx_counter = 1;
-	{
-		ModuleInstantiation root_inst;
-		absolute_root_node = root_module->evaluate(&root_ctx, &root_inst);
-	}
+	root_inst = ModuleInstantiation();
+	absolute_root_node = root_module->evaluate(&root_ctx, &root_inst);
 
 	if (!absolute_root_node)
 		goto fail;
-- 
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