Index: src/SynTree/GcTracer.h
===================================================================
--- src/SynTree/GcTracer.h	(revision 7e4b44db4aee3e4db9e5c3f78521d2db85fd048b)
+++ src/SynTree/GcTracer.h	(revision bd06384ff9b3300e1d878bc19523e6051209bb15)
@@ -20,4 +20,5 @@
 #include "BaseSyntaxNode.h"
 #include "Expression.h"
+#include "Type.h"
 
 #include "Common/GC.h"
@@ -47,4 +48,8 @@
 		maybeAccept( expr->env, *visitor );
 	}
+
+	void postvisit( PointerType* pty ) {
+		maybeAccept( pty->dimension, *visitor );
+	}
 };
 
Index: src/SynTree/module.mk
===================================================================
--- src/SynTree/module.mk	(revision 7e4b44db4aee3e4db9e5c3f78521d2db85fd048b)
+++ src/SynTree/module.mk	(revision bd06384ff9b3300e1d878bc19523e6051209bb15)
@@ -48,4 +48,5 @@
        SynTree/TypeSubstitution.cc \
        SynTree/Attribute.cc \
+       SynTree/BaseSyntaxNode.cc \
        SynTree/VarExprReplacer.cc