2009-04-22  Ed Schonberg  <schonberg@adacore.com>

	* lib-load.ads, lib-load.adb (Make_Child_Decl_Unit): New subprogram, to
	create a unit table entry for the subprogram declaration created for a
	child suprogram body that has no separate specification.

	* sem_ch10.adb (Analyze_Compilation_Unit): For a child unit that is a
	subprogram body, call Make_Child_Decl_Unit.

	* lib.adb (Get_Cunit_Unit_Number): Verify that an entry not yet in the
	table can only be the created specification of a child subprogram body
	that is the main unit, which has not been entered in the table yet.

	* errout.adb  (Output_Messages): Ignore created specification of a
	child subprogram body to prevent repeated listing of error messages.

	* gnat1drv.adb (gnat1drv): The generated specification for a child
	subprogram body does not generate code.

From-SVN: r146559