Actually add the constructor through the context so they are referenced

src/main/java/fr/insarennes/nperier/minichamo/parsing/TypedefParser.java

@@ -113,9 +113,9 @@ public class TypedefParser {
         String name = it.next().getString();
         if(it.peek().getType() == TokenType.OF) {
             it.junk();
-            t.addConstructor(name, TypeParser.parse(it, ctx));
+            ctx.addConstructor(t, name, TypeParser.parse(it, ctx));
         } else {
-            t.addConstructor(name);
+            ctx.addConstructor(t, name);
         }
     }