In libobjc/:
2011-05-25  Richard Frith-Macdonald <rfm@gnu.org>
	    David Ayers  <ayers@fsfe.org>

	PR libobjc/38037
	* sendmsg.c: Include objc/hash.h.
	(get_implementation): New function, mostly with code from get_imp
	updated to support the new +initialize dispatch table logic.
	(get_imp): Use get_implementation.
	(__objc_responds_to): Updated to support the new +initialize
	dispatch table logic.
	(class_respondsToSelector): Likewise.
	(objc_msg_lookup): Use get_implementation.
	(__objc_init_install_dtable): Removed.
	(__objc_install_methods_in_dtable): Updated arguments.
	(__objc_install_dispatch_table_for_class): Renamed to
	__objc_install_dtable_for_class and updated to support the new
	+initialize dispatch table logic.
	(__objc_update_dispatch_table_for_class): Updated to support the
	new +initialize dispatch table logic.
	(__objc_forward): Call get_implementation instead of get_imp.
	(prepared_dtable_table): New.
	(__objc_prepare_dtable_for_class): New.	
	(__objc_prepared_dtable_for_class): New.
	(__objc_get_prepared_imp): New.
	(__objc_install_prepared_dtable_for_class): New.

Co-Authored-By: David Ayers <ayers@fsfe.org>

From-SVN: r174221