2007-04-20 Hristian Kirtchev <kirtchev@adacore.com>

	* a-calend.ads, a-calend.adb, a-calend-vms.ads, a-calend-vms.adb ("-"
	(Time, Time)): Use To_Relative_Time rather than manual calculation to
	express the bounds of Duration as Time. Raise Time_Error when the
	result is greater or equal to the higher bound of Duration (on the
	margin case).
	("+" (Time, Duration)): Reorder code. Remove the declaration of constant
	Ada_High_And_Leaps.
	("-" (Time, Duration)): Reorder code. Remove the declaration of constant
	Ada_High_And_Leaps.
	("-" (Time, Time)): Reorder code.
	(All_Leap_Seconds): Removed.
	(Arithmetic_Operations.Add): Remove sign related kludge.
	(Arithmetic_Operations.Difference): Control the leaps seconds processing
	with flag Leap_Support.
	(Arithmetic_Operations.Subtract): Remove sign related kludge.
	(Check_Within_Time_Bounds): New procedure.
	(Clock): Control the leap seconds processing with flag Leap_Support.
	(Cumulative_Leap_Seconds): Assert that the target supports leap seconds.
	(Formatting_Operations.Split): Control the leap seconds processing with
	flag Leap_Support.
	(Formatting_Operations.Time_Of): Control the leaps seconds processing
	with flag Leap_Support. Adjust the year, month and day (if applicable)
	when the value of day seconds designates a new day.
	(Split): Use parameter associations for better readability. Integrate
	flag Is_Ada_05.
	(Time_Of): Use parameter associations for better readability. Integrate
	flag Is_Ada_05.

	* a-calfor.adb (Split): Use parameter associations for better
	readability. Integrate flag Is_Ada_05.
	(Time_Of): Remove flag Leap_Checks. Use parameter associations for
	better readability. Integrate flag Is_Ada_05.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125363 138bc75d-0d04-0410-961f-82ee72b054a4

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