* Makefile.in (parse.o): Depend on ggc.h.
	(decl2.o): Depend on ggc.h.
	(init.o): Depend on ggc.h.
	* cp-tree.h (init_decl2): Declare.
	(cp_parse_init): Likewise.
	* decl.c (ggc_p): Define to zero.
	(mark_saved_scope): New function.
	(init_decl_processing): Call cp_parse_init, and cp_decl2.
	Register GC roots.
	(expand_static_init): Add GC roots.
	* decl2.c: Include ggc.h.
	(init_decl2): New function.
	* init.c: Include ggc.h.
	(init_init_processing): Add GC roots.
	* parse.y: Include ggc.h.
	(cp_parse_init): New function.

Co-Authored-By: Bernd Schmidt <bernds@cygnus.co.uk>
Co-Authored-By: Mark Mitchell <mark@codesourcery.com>

From-SVN: r29126