1 files changed, 6 insertions, 0 deletions
diff --git a/src/analysis/analysis.h b/src/analysis/analysis.h
index f404352..4d921cb 100644
--- a/src/analysis/analysis.h
+++ b/src/analysis/analysis.h
@@ -22,6 +22,9 @@
 
 #include "includes.h"
 
+#include <set>
+#include <string>
+
 struct Node;
 struct WalkItem;
 
@@ -41,6 +44,9 @@ namespace Analysis
 
     void removeCheckNullVars(WalkItem &wi);
 
+    void removeCheckNullVarsSet(WalkItem &wi,
+                                std::set<std::string> &vars);
+
     Node *skipNop(Node *node);
 
     void mergeNullChecked(WalkItem &wi1, WalkItem &wi2);