re PR target/6552 (make gnatlib_and_tools fails compiling a-chahan.adb on IRIX 6.2)

	* 5gsystem.ads (Functions_Return_By_DSP): Set to False.
	Works around PR middle-end/6552.

From-SVN: r73511

gcc/ada/5gsystem.ads

@@ -124,7 +124,7 @@ private
    Exit_Status_Supported     : constant Boolean := True;
    Fractional_Fixed_Ops      : constant Boolean := False;
    Frontend_Layout           : constant Boolean := False;
-   Functions_Return_By_DSP   : constant Boolean := True;
+   Functions_Return_By_DSP   : constant Boolean := False;
    Machine_Overflows         : constant Boolean := False;
    Machine_Rounds            : constant Boolean := True;
    OpenVMS                   : constant Boolean := False;

gcc/ada/ChangeLog

+2003-11-12  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+	* 5gsystem.ads (Functions_Return_By_DSP): Set to False.
+	Works around PR middle-end/6552.
+
 2003-11-10  Ed Falis  <falis@gnat.com>
 
 	* 5ytiitho.adb: (procStartHookAdd): Definition and call deleted