2010-06-22  Ed Schonberg  <schonberg@adacore.com>

	* cstand.adb: Add tree nodes for pragma Pack on string types.

2010-06-22  Javier Miranda  <miranda@adacore.com>

	* einfo.ads, einfo.adb (Last_Formal): New synthesized attribute.
	* exp_util.adb (Find_Prim_Op): Use new attribute to locate the last
	formal of a primitive.
	* exp_disp.adb (Is_Predefined_Dispatching_Operation,
	 Is_Predefined_Dispatching_Alias): Use new attribute to locate the last
	formal of a primitive.
	* exp_cg.adb (Is_Predefined_Dispatching_Operation): Use new attribute
	to obtain the last formal of a primitive.

2010-06-22  Geert Bosch  <bosch@adacore.com>

	* sysdep.c, init.c, adaint.c, cstreams.c: Remove conditional code
	depending on __EMX__ or MSDOS being defined.
	* i-cstrea.ads, gnat_rm.texi: Remove mentions of OS/2, DOS and Xenix.
	* a-excpol-abort.adb: Update comment indicating users of the file.
	* xref_lib.adb, sfn_scan.adb: Remove mention of OS/2, replace NT by
	Windows.
	* env.c: Remove empty conditional for MSDOS.
	* s-stchop.adb, g-dirope.ads, s-fileio.adb, osint.ads: Remove mention
	of OS/2 in comment.

From-SVN: r161205