* c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.

	* stringpool.c:	(IS_FE_IDENT, make_identifier): Delete.
	(maybe_get_identifier): Update.
	* tree.h (make_identifier): Delete.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@42432 138bc75d-0d04-0410-961f-82ee72b054a4