-Apr 1, 1998:
- Front-ends must now define lang_print_xnode. It is safe for this
- function to do nothing. See c-lang.c.
+2004-09-09:
+ In an effort to decrease execution time, single char tree code
+ classes were changed to enumerated values.
+
+ Old way:
+
+ DEFTREECODE (CLASS_METHOD_DECL, "class_method_decl", 'd', 0)
+
+ New way:
+
+ DEFTREECODE (CLASS_METHOD_DECL, "class_method_decl", tcc_declaration, 0)
+
+2001-02-26:
+ A DECL_INITIAL of NULL_TREE or error_mark_node in a VAR_DECL is no longer
+ taken to signify a tentative definition which should not be emitted until
+ end-of-file. Frontends which want that behavior should set
+ DECL_DEFER_OUTPUT before calling rest_of_decl_compilation.