* cp-tree.h (lang_decl_flags): Add global_ctor_p and
	global_dtor_p.  Add init_priority.
	(DECL_ACCESS): Adjust accordingly.
	(DECL_GLOBAL_CTOR_P, DECL_GLOBAL_DTOR_P): New macros.
	(GLOBAL_INIT_PRIORITY): Likewise.
	* decl.c (lang_mark_tree): Adjust accordingly.
	(start_objects): Set DECL_GLOBAL_CTOR_P, DECL_GLOBAL_DTOR_P,
	and GLOBAL_INIT_PRIORITY.
	* dump.c (dequeue_and_dump): Print them.
	* ir.texi: Document them.

From-SVN: r29738