Index: src/Tuples/Explode.cc
===================================================================
--- src/Tuples/Explode.cc	(revision 74807be4d506d72d391b830800b2136085c2eba3)
+++ src/Tuples/Explode.cc	(revision 16e69051515899828e3592fdad2e6f720e3e8630)
@@ -17,4 +17,5 @@
 #include <list>                  // for list
 
+#include "AST/Pass.hpp"          // for Pass
 #include "SynTree/Mutator.h"     // for Mutator
 #include "Common/PassVisitor.h"  // for PassVisitor