From b66cfe1f10ebc98709ce95ff065d7ad1b180f974 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sun, 21 Jun 2015 22:53:28 +0300
Subject: Fix nested IF_STMT nodes analysis.

---
 src/analysis/statement.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/analysis/statement.cpp b/src/analysis/statement.cpp
index 335df2b..ef1cac2 100644
--- a/src/analysis/statement.cpp
+++ b/src/analysis/statement.cpp
@@ -61,6 +61,7 @@ void analyseIfStmt(IfStmtNode *node, const WalkItem &wi, WalkItem &wo)
     {
         wi2.checkNullVars.erase(*it);
     }
+    std::set<std::string> tmpVars = wo.removeNullVars;
     walkTree(node->thenNode, wi2, wo);
 
     wo.removeNullVars.clear();
@@ -76,7 +77,7 @@ void analyseIfStmt(IfStmtNode *node, const WalkItem &wi, WalkItem &wo)
     }
     walkTree(node->elseNode, wi2, wo);
 
-    wo.removeNullVars.clear();
+    wo.removeNullVars = tmpVars;
 
 //    if (returned && wco.cleanExpr && !wco.uselessExpr)
     if (returned && !wco.uselessExpr)
-- 
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