* c-common.c (c_tree_code_type, c_tree_code_length,
	c_tree_code_name, add_c_tree_codes): Delete.
	* c-common.h (add_c_tree_codes): Delete.
	* c-lang.c (tree_code_type, tree_code_length, tree_code_name):
	Define.
	* c-objc-common.c (c_objc_common_init): Don't call
	add_c_tree_codes, instead set lang_unsafe_for_reeval.
	* objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
	objc_tree_code_name, add_objc_tree_codes): Delete.
	(objc_init): Don't call add_objc_tree_codes.
	* objc/objc-lang.c (tree_code_type, tree_code_length,
	tree_code_name): Define.
	* toplev.c (lang_independent_init): Don't set
	tree_code_length[IDENTIFIER_NODE].
	* tree.c (tree_code_type, tree_code_length, tree_code_name):
	Delete definitions, moved to language front-ends.
	* tree.def (IDENTIFIER_NODE): Hardwire the length.
	* tree.h (tree_code_type, tree_code_length, tree_code_name):
	Const-ify.
	(tree_code_length): Change type to unsigned char.

ada:
	* misc.c (gnat_tree_code_type, gnat_tree_code_length,
	gnat_tree_code_name): Delete.
	(tree_code_type, tree_code_length, tree_code_name): Define.
	(gnat_init): Don't try to copy into the various tree_code
	arrays.

ch:
	* decl.c (chill_tree_code_type, chill_tree_code_length,
	chill_tree_code_name): Delete.
	(tree_code_type, tree_code_length, tree_code_name): Define.
	(init_decl_processing): Don't try to copy into the various
	tree_code arrays.

cp:
	* cp-lang.c (tree_code_type, tree_code_length, tree_code_name):
	Define.
	* decl.c (duplicate_decls): Use TREE_CODE_LENGTH, not
	tree_code_length.
	* lex.c (cplus_tree_code_type, cplus_tree_code_length,
	cplus_tree_code_name): Delete.
	(cxx_init): Don't call add_c_tree_codes, instead set
	lang_unsafe_for_reeval.  Don't try to copy into the various
	tree_code arrays.

f:
	* com.c (tree_code_type, tree_code_length, tree_code_name):
	Define.

java:
	* lang.c (java_tree_code_type, java_tree_code_length,
	tree_code_name): Delete.
	(tree_code_type, tree_code_length, tree_code_name): Define.
	(java_init): Don't try to copy into the various tree_code
	arrays.

From-SVN: r50705