2010-06-22 Robert Dewar <dewar@adacore.com>

	* errout.adb (Finalize): Set Prev pointers.
	(Finalize): Delete continuations for deletion by warnings off(str).
	* erroutc.ads: Add Prev pointer to error message structure.

2010-06-22  Ed Schonberg  <schonberg@adacore.com>

	* sem.adb (Do_Unit_And_Dependents): If the spec of the main unit is a
	child unit, examine context of parent units to locate instantiated
	generics whose bodies may be needed. 
	* sem_ch12.adb: (Mark_Context): if the enclosing unit does not have a
	with_clause for the instantiated generic, examine the context of its
	parents, to set Withed_Body flag, so that it can be visited earlier.
	* exp_ch4.adb (Expand_N_Op_Not): If this is a VMS operator applied to
	an unsigned type, use a type of the proper size for the intermediate
	value, to prevent alignment problems on unchecked conversion.

2010-06-22  Geert Bosch  <bosch@adacore.com>

	* s-rannum.ads Change Generator type to be self-referential to allow
	Random to update its argument. Use "in" mode for the generator in the
	Reset procedures to allow them to be called from the Ada.Numerics
	packages without tricks.
	* s-rannum.adb: Use the self-referencing argument to get write access
	to the internal state of the random generator.
	* a-nudira.ads: Make Generator a derived type of
	System.Random_Numbers.Generator.
	* a-nudira.adb: Remove use of 'Unrestricted_Access.
	Put subprograms in alpha order and add headers.
	* g-mbdira.ads: Change Generator type to be self-referential.
	* g-mbdira.adb: Remove use of 'Unrestricted_Access.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@161215 138bc75d-0d04-0410-961f-82ee72b054a4

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