2012-03-15  Robert Dewar  <dewar@adacore.com>

	* errout.ads: Add entry for translating -gnateinn to
	/MAX_INSTANTIATIONS for VMS.
	* hostparm.ads (Max_Instantiations): Moved to Opt.
	* opt.ads (Maximum_Instantiations): Moved from Hostparm, and renamed.
	* sem_ch12.adb (Maximum_Instantiations): New name of
	Max_Instantiations (Analyze_Package_Instantiation): Change error
	msg for too many instantiations (mention -gnateinn switch).
	* switch-c.adb (Scan_Front_End_Switches): Implement -gnateinn switch.
	* switch.ads: Minor comment update.
	* usage.adb (Usage): Output line for -maxeinn switch.
	* vms_data.ads: Add entry for MAX_INSTANTIATIONS (-gnateinn).

2012-03-15  Yannick Moy  <moy@adacore.com>

	* alfa.ads Update the decription of ALI sections.
	(Alfa_File_Record): Add a component Unit_File_Name to store the
	unit file name for subunits.
	* get_alfa.adb, put_alfa.adb Adapt to the possible presence of
	a unit file name.
	* lib-xref-alfa.adb (Add_Alfa_File): For subunits, retrieve the
	file name of the unit.

2012-03-15  Yannick Moy  <moy@adacore.com>

	* sem_ch6.adb (Check_Subprogram_Contract): Do
	not issue warning on missing 'Result in postcondition if all
	postconditions and contract-cases already get a warning for only
	referring to pre-state.

2012-03-15  Bob Duff  <duff@adacore.com>

	* debug.adb: Add new debug switch -gnatd.U, which disables the
	support added below, in case someone trips over a cycle, and needs
	to disable this.
	* sem_attr.adb (Analyze_Access_Attribute):
	Treat Subp'Access as a call for elaboration purposes.
	* sem_elab.ads, sem_elab.adb (Check_Elab_Call): Add support
	for Subp'Access.

From-SVN: r185422