2009-09-16 Thomas Quinot <quinot@adacore.com>

	* freeze.adb, exp_intr.adb (Expand_Intrinsic_Call): Leave calls to
	intrinsics untouched (to be expanded later on by gigi) if an external
	name has been specified.
	(Freeze_Entity): Do not generate a default external name for
	imported subprograms with convention Intrinsic (so that the above code
	can identify the case where an external name has been explicitly
	provided).

	* s-oscons-tmplt.c: Quote TARGET_OS early so that it is not erroneously
	replaced by something else due to an existing #define clause.

2009-09-16  Ed Schonberg  <schonberg@adacore.com>

	* sinfo.ads, sinfo.adb (Is_Accessibility_Actual): New flag on
	Parameter_Association node, created for the extra actual generated for
	an access parameter of a function that dispatches on result, to prevent
	double generation of such actuals when the call is rewritten is a
	dispatching call.
	* exp_ch6.adb (Expand_Call): Set Is_Accessibility_Actual when needed.
	* exp_disp.adb (Expand_Dispatching_Call): Do not transfer extra actuals
	that carry this flag when rewriting the original call as a dispatching
	call, after propagating the controlling tag.

2009-09-16  Vincent Celier  <celier@adacore.com>

	* prj-nmsc.adb (Add_Source): New parameter Source_Dir_Rank to be put
	in the source data.
	(Check_File): New parameter Source_Dir_Rank, to check if a duplicate
	source is allowed.
	(Find_Source_Dirs): New parameter Rank to be recorded with the source
	directories.
	(Search_Directories): Call Check_File with the rank of the directory
	* prj.adb (Project_Empty): Add new component Source_Dir_Ranks
	(Free): Free also Number_Lists
	(Reset): Init also Number_Lists
	* prj.ads (Number_List_Table): New dynamic table for lists of numbers
	(Source_Data): New component Source_Dir_Rank. Remove component
	Known_Order_Of_Source_Dirs, no longer needed.
	(Project_Data): New component Source_Dir_Ranks
	(Project_Tree_Data): New components Number_Lists



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@151749 138bc75d-0d04-0410-961f-82ee72b054a4

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