- syntaxerror("can't convert type %s to %s", from->name, to->name);
- return 0; // make gcc happy
+
+ as3_error("can't convert type %s%s%s to %s%s%s",
+ from->package, from->package?".":"", from->name,
+ to->package, to->package?".":"", to->name);
+ return c;