2015-10-23 Arnaud Charlet <charlet@adacore.com>

	* gnat1drv.adb (Adjust_Global_Switches): Adjust.

2015-10-23  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_dbug.ads, exp_dbug.adb (Get_External_Name): The special prefix for
	ignored Ghost entities is now ___ghost_.

2015-10-23  Hristian Kirtchev  <kirtchev@adacore.com>

	* ghost.adb (Is_Subject_To_Ghost): Check the
	original node when searching for pragma Ghost to catch cases
	where a source construct has been rewritten into something else.

2015-10-23  Ed Schonberg  <schonberg@adacore.com>

	* einfo.ads, einfo.adb (Rewritten_For_C): New flag on functions
	that return a constrained array type.  When generating C these
	functions are rewritten as procedures with an out parameter,
	and calls to such functions are rewritten accordingly.
	* exp_ch6.adb (Expand_N_Subprogram_Declaration): When
	Modify_Tree_For_C is set and the function returns a constrained
	array type, generate a procedure declaration with an additional
	out parameter. Mark original function as Rewritten_For_C.
	The new declaration is inserted in tree immediately after
	current declaration.
	(Expand_Subprogram_Body): If entity is marked Rewritten_For_C,
	generate body of corresponding procedure using declarations
	and statements for function body. Replace return statements
	with assignments to the out parameter, followed by a simple
	return statement.
	(Rewrite_Function_Call_For_C): New procedure to replace a function
	call that returns an array by a procedure call.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229241 138bc75d-0d04-0410-961f-82ee72b054a4

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