[multiple changes]

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* sem_util.adb: Minor reformatting

2010-09-09  Vincent Celier  <celier@adacore.com>

	* vms_data.ads: Add documentation for S_Make_Single.

From-SVN: r164068

gcc/ada/ChangeLog

+2010-09-09  Robert Dewar  <dewar@adacore.com>
+
+	* sem_util.adb: Minor reformatting
+
+2010-09-09  Vincent Celier  <celier@adacore.com>
+
+	* vms_data.ads: Add documentation for S_Make_Single.
+
 2010-09-09  Ed Schonberg  <schonberg@adacore.com>
 
 	* sem_util.adb (Same_Object): include formal parameters.

gcc/ada/sem_util.adb

@@ -6572,7 +6572,7 @@ package body Sem_Util is
       --  the corresponding procedure has been created, and which therefore do
       --  not have an assigned scope.
 
-      if Ekind (E) in Formal_Kind then
+      if Is_Formal (E) then
          return False;
       end if;
 
@@ -10532,22 +10532,24 @@ package body Sem_Util is
    begin
       --  First case, both are entities with same entity
 
-      if K1 in N_Has_Entity
-        and then K2 in N_Has_Entity
-        and then Present (Entity (N1))
-        and then Present (Entity (N2))
-        and then (Ekind (Entity (N1)) = E_Variable
-                    or else
-                    Ekind (Entity (N1)) = E_Constant
-                    or else
-                    Ekind (Entity (N1)) in Formal_Kind)
-        and then Entity (N1) = Entity (N2)
+      if K1 in N_Has_Entity and then K2 in N_Has_Entity then
+         declare
+            EN1 : constant Entity_Id := Entity (N1);
+            EN2 : constant Entity_Id := Entity (N2);
+         begin
+            if Present (EN1) and then Present (EN2)
+              and then (Ekind_In (EN1, E_Variable, E_Constant)
+                         or else Is_Formal (EN1))
+              and then EN1 = EN2
             then
                return True;
+            end if;
+         end;
+      end if;
 
       --  Second case, selected component with same selector, same record
 
-      elsif K1 = N_Selected_Component
+      if K1 = N_Selected_Component
         and then K2 = N_Selected_Component
         and then Chars (Selector_Name (N1)) = Chars (Selector_Name (N2))
       then

gcc/ada/vms_data.ads

@@ -4860,6 +4860,11 @@ package VMS_Data is
 
    S_Make_Single  : aliased constant S := "/SINGLE_COMPILE_PER_OBJ_DIR "   &
                                             "--single-compile-per-obj-dir";
+   --        /NOSINGLE_COMPILE_PER_OBJ_DIR (D)
+   --        /SINGLE_COMPILE_PER_OBJ_DIR
+   --
+   --    When project files are used, do not allow simultaneous compilations
+   --    for the same object directory.
 
    S_Make_Skip    : aliased constant S := "/SKIP_MISSING=*"                &
                                             "-aL*";