Index: src/Tuples/Explode.cc
===================================================================
--- src/Tuples/Explode.cc	(revision 0b5d8710a6dbc15de5d91976d128755d05fc1f7d)
+++ src/Tuples/Explode.cc	(revision 235b41fee30a1438bf4fc23339105c5c80491f61)
@@ -15,6 +15,8 @@
 
 #include "Explode.h"
-#include "SynTree/Mutator.h"
-#include "Common/PassVisitor.h"
+#include <list>                  // for list
+
+#include "SynTree/Mutator.h"     // for Mutator
+#include "Common/PassVisitor.h"  // for PassVisitor
 
 namespace Tuples {