union tree_node;
typedef union tree_node *tree;
+/* Provide forward struct declaration so that we don't have to include
+ all of cpplib.h whenever a random prototype includes a pointer.
+ Note that the cpp_reader typedef remains part of cpplib.h. */
+
+struct cpp_reader;
+
#else
struct _dont_use_rtx_here_;
#endif
#endif /* coretypes.h */
+