exp_ch9.adb (Build_Protected_Entry): Propagate the original source location to allow the correct generation of...

2007-08-14  Javier Miranda  <miranda@adacore.com>
	    Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch9.adb (Build_Protected_Entry): Propagate the original source
	location to allow the correct generation of errors in case of
	restrictions applied to the expanded code.
	(Expand_Entry_Barrier): Remove all generated renamings for a barrier
	function if the condition does not reference them.
	(Expand_Entry_Body_Declarations): Mark the index constant as having a
	valid value.

From-SVN: r127448