2005-03-08  Robert Dewar  <dewar@adacore.com>

	* exp_smem.adb, sem_attr.adb: Remove OK_For_Stream flag, not used,
	not needed.
	Add documentation to replace the use of this flag
	Fix kludge for Maximum_Alignment on x86 so that it does not apply to
	the x86_64.

From-SVN: r96496