exp_ch5.adb (Make_Tag_Ctrl_Assignment): Add missing guard on condition for assignment to temporary.

2008-05-26  Thomas Quinot  <quinot@adacore.com>

	* exp_ch5.adb (Make_Tag_Ctrl_Assignment): Add missing guard on
	condition for assignment to temporary.

From-SVN: r135924

gcc/ada/exp_ch5.adb

@@ -872,7 +872,7 @@ package body Exp_Ch5 is
                --  explicit bounds of right and left hand sides.
 
                declare
-                  Proc    : constant Node_Id :=
+                  Proc    : constant Entity_Id :=
                               TSS (Base_Type (L_Type), TSS_Slice_Assign);
                   Actuals : List_Id;
 
@@ -4186,13 +4186,16 @@ package body Exp_Ch5 is
       if not Ctrl_Act then
          null;
 
-      --  The left hand side is an uninitialized temporary
+      --  The left hand side is an uninitialized temporary object
 
       elsif Nkind (L) = N_Type_Conversion
         and then Is_Entity_Name (Expression (L))
+        and then Nkind (Parent (Entity (Expression (L))))
+                   = N_Object_Declaration
         and then No_Initialization (Parent (Entity (Expression (L))))
       then
          null;
+
       else
          Append_List_To (Res,
            Make_Final_Call (