gnat_rm.texi: Improve documentation of Unrestricted_Access.

gnat_rm.texi: Improve documentation of Unrestricted_Access.

2014-07-17  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Improve documentation of Unrestricted_Access.
	* sinfo.ads: Document restriction on aggregates (must expand to
	assignments if one or more assignments needs expansion, e.g. for
	controlled types).
	* sem_ch13.adb: All warning messages regarding bit order should
	be info: messages.
	* gnat_ugn.texi: Minor correction of missing @ on @code

2014-07-17  Robert Dewar  <dewar@adacore.com>

	* restrict.ads (Implementation_Restriction): Add No_Long_Long_Integer.
	* s-rident.ads (Partition_Boolean_Restrictions): Add
	No_Long_Long_Integer.
	* sem_ch3.adb (Modular_Type_Declaration): Size must be <=
	Long_Integer'Size if restriction No_Long_Long_Integer is active.
	(Signed_Integer_Type_Declaration): Do not allow Long_Long_Integer
	as the implicit base type for a signed integer type declaration
	if restriction No_Long_Long_Integer is active.
	* sem_util.ads, sem_util.adb (Set_Entity_With_Checks): Include check for
	No_Long_Long_Integer.

From-SVN: r212727