2012-04-02 Hristian Kirtchev <kirtchev@adacore.com>

	* exp_ch7.adb (Process_Declarations): Detect a case where
	a source object was initialized by another source object,
	but the expression was rewritten as a class-wide conversion
	of Ada.Tags.Displace.
	* exp_util.adb (Initialized_By_Ctrl_Function): Removed.
	(Is_Controlled_Function_Call): New routine.
	(Is_Displacement_Of_Ctrl_Function_Result): Removed.
	(Is_Displacement_Of_Object_Or_Function_Result): New routine.
	(Is_Source_Object): New routine.
	(Requires_Cleanup_Actions): Detect a case where a source object was
	initialized by another source object, but the expression was rewritten
	as a class-wide conversion of Ada.Tags.Displace.
	* exp_util.ads (Is_Displacement_Of_Ctrl_Function_Result): Removed.
	(Is_Displacement_Of_Object_Or_Function_Result): New routine.

2012-04-02  Ed Schonberg  <schonberg@adacore.com>

	* sem_res.adb (Resolve_Call): A call to an expression function
	does not freeze if it appears in a different scope from the
	expression function itself. Such calls appear in the generated
	bodies of other expression functions, or in pre/postconditions
	of subsequent subprograms.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186071 138bc75d-0d04-0410-961f-82ee72b054a4

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