Index: src/SynTree/BaseSyntaxNode.h
===================================================================
--- src/SynTree/BaseSyntaxNode.h	(revision bfc78119c41ed230f80fe0326923335e58b5a745)
+++ src/SynTree/BaseSyntaxNode.h	(revision 9f2012f92e024a65ddf3856c93f9664f8b327a1c)
@@ -23,5 +23,5 @@
 class Mutator;
 
-class BaseSyntaxNode : GC_Object {
+class BaseSyntaxNode : public GC_Object {
   friend class GcTracer;
 public: