2014-07-16 Robert Dewar <dewar@adacore.com>

2014-07-16  Robert Dewar  <dewar@adacore.com>

	* sem_ch3.adb, sem_prag.adb, sem_util.adb, sem_res.adb, sem_ch13.adb:
	Minor code reorganization (use Is_Access_Type, not in Access_Kind).
	* exp_ch3.adb: Minor code reorganization, use Is_Access_Type,
	not in Access_Kind.
	* par-ch4.adb (At_Start_Of_Attribute): New function
	(P_Simple_Expression): Better msg for bad attribute prefix.
	* scans.ads: Minor reformatting.

2014-07-16  Ed Schonberg  <schonberg@adacore.com>

	* sem_attr.adb (Resolve_Attribute, case 'Update): If choice is a
	static constant, check that in belongs to the corresponding index
	subtype, to produce the proer warning when expansion is disabled.

2014-07-16  Robert Dewar  <dewar@adacore.com>

	* freeze.adb (Freeze_Entity): Warn on incompatible size/alignment.
	* gnat_ugn.texi: Document -gnatw.z and -gnatw.Z.
	* ug_words: VMS synonyms (WARNINGS=[NO]SIZE_ALIGN) for -gnatw.z/-gnatw.Z
	* usage.adb: Add lines for -gnatw.z/-gnatw.Z.
	* vms_data.ads: VMS synonyms (WARNINGS=[NO]SIZE_ALIGN) for
	-gnatw.z/-gnatw.Z
	* warnsw.adb: Set Warn_On_Size_Alignment appropriately.
	* warnsw.ads (Warn_On_Size_Alignment): New flag Minor
	reformatting.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@212656 138bc75d-0d04-0410-961f-82ee72b054a4