[multiple changes]

2013-01-02  Geert Bosch  <bosch@adacore.com>

	* a-nllcef.ads, a-nlcefu.ads, a-nscefu.ads: Make Pure.

2013-01-02  Robert Dewar  <dewar@adacore.com>

	* par_sco.adb: Minor reformatting.

2013-01-02  Javier Miranda  <miranda@adacore.com>

	* sem_aggr.adb (Resolve_Array_Aggregate): Remove dead code.

2013-01-02  Olivier Hainque  <hainque@adacore.com>

	* a-exctra.ads (Get_PC): New function.

2013-01-02  Thomas Quinot  <quinot@adacore.com>

	* sem_ch8.adb: Minor reformatting.

2013-01-02  Thomas Quinot  <quinot@adacore.com>

	* sem_ch7.adb: Minor reformatting.

2013-01-02  Thomas Quinot  <quinot@adacore.com>

	* freeze.adb (Check_Component_Storage_Order): Do not crash on
	_Tag component.

From-SVN: r194799

gcc/ada/ChangeLog

+2013-01-02  Geert Bosch  <bosch@adacore.com>
+
+	* a-nllcef.ads, a-nlcefu.ads, a-nscefu.ads: Make Pure.
+
+2013-01-02  Robert Dewar  <dewar@adacore.com>
+
+	* par_sco.adb: Minor reformatting.
+
+2013-01-02  Javier Miranda  <miranda@adacore.com>
+
+	* sem_aggr.adb (Resolve_Array_Aggregate): Remove dead code.
+
+2013-01-02  Olivier Hainque  <hainque@adacore.com>
+
+	* a-exctra.ads (Get_PC): New function.
+
+2013-01-02  Thomas Quinot  <quinot@adacore.com>
+
+	* sem_ch8.adb: Minor reformatting.
+
+2013-01-02  Thomas Quinot  <quinot@adacore.com>
+
+	* sem_ch7.adb: Minor reformatting.
+
+2013-01-02  Thomas Quinot  <quinot@adacore.com>
+
+	* freeze.adb (Check_Component_Storage_Order): Do not crash on
+	_Tag component.
+
 2013-01-02  Robert Dewar  <dewar@adacore.com>
 
 	* gnat1drv.adb, targparm.adb, targparm.ads: Minor name change: add

gcc/ada/a-exctra.ads

@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 S p e c                                  --
 --                                                                          --
---          Copyright (C) 1999-2009, Free Software Foundation, Inc.         --
+--          Copyright (C) 1999-2012, Free Software Foundation, Inc.         --
 --                                                                          --
 -- This specification is derived from the Ada Reference Manual for use with --
 -- GNAT. The copyright notice above, and the license provisions that follow --
@@ -39,12 +39,12 @@ with System.Traceback_Entries;
 
 package Ada.Exceptions.Traceback is
 
-   package TBE renames System.Traceback_Entries;
+   package STBE renames System.Traceback_Entries;
 
    subtype Code_Loc is System.Address;
    --  Code location in executing program
 
-   type Tracebacks_Array is array (Positive range <>) of TBE.Traceback_Entry;
+   type Tracebacks_Array is array (Positive range <>) of STBE.Traceback_Entry;
    --  A traceback array is an array of traceback entries
 
    function Tracebacks (E : Exception_Occurrence) return Tracebacks_Array;
@@ -52,4 +52,9 @@ package Ada.Exceptions.Traceback is
    --  occurrence, and returns it formatted in the manner required for
    --  processing in GNAT.Traceback. See g-traceb.ads for further details.
 
+   function Get_PC (TBE : STBE.Traceback_Entry) return Code_Loc
+     renames STBE.PC_For;
+   --  Returns the code address held by a given traceback entry, typically the
+   --  address of a call instruction.
+
 end Ada.Exceptions.Traceback;

gcc/ada/a-nlcefu.ads

@@ -19,3 +19,4 @@ with Ada.Numerics.Generic_Complex_Elementary_Functions;
 package Ada.Numerics.Long_Complex_Elementary_Functions is
   new Ada.Numerics.Generic_Complex_Elementary_Functions
                                           (Ada.Numerics.Long_Complex_Types);
+pragma Pure (Ada.Numerics.Long_Complex_Elementary_Functions);

gcc/ada/a-nllcef.ads

@@ -19,3 +19,4 @@ with Ada.Numerics.Generic_Complex_Elementary_Functions;
 package Ada.Numerics.Long_Long_Complex_Elementary_Functions is
   new Ada.Numerics.Generic_Complex_Elementary_Functions
                                    (Ada.Numerics.Long_Long_Complex_Types);
+pragma Pure (Ada.Numerics.Long_Long_Complex_Elementary_Functions);

gcc/ada/a-nscefu.ads

@@ -19,3 +19,4 @@ with Ada.Numerics.Generic_Complex_Elementary_Functions;
 package Ada.Numerics.Short_Complex_Elementary_Functions is
   new Ada.Numerics.Generic_Complex_Elementary_Functions
                                           (Ada.Numerics.Short_Complex_Types);
+pragma Pure (Ada.Numerics.Short_Complex_Elementary_Functions);

gcc/ada/freeze.adb

@@ -1040,11 +1040,18 @@ package body Freeze is
       if Present (Comp) then
          Err_Node  := Comp;
          Comp_Type := Etype (Comp);
-         Comp_Def  := Component_Definition (Parent (Comp));
 
-         Comp_Byte_Aligned :=
-           Present (Component_Clause (Comp))
-             and then Normalized_First_Bit (Comp) mod System_Storage_Unit = 0;
+         if Is_Tag (Comp) then
+            Comp_Def          := Empty;
+            Comp_Byte_Aligned := True;
+
+         else
+            Comp_Def          := Component_Definition (Parent (Comp));
+            Comp_Byte_Aligned :=
+              Present (Component_Clause (Comp))
+                and then
+              Normalized_First_Bit (Comp) mod System_Storage_Unit = 0;
+         end if;
 
       --  Array case
 
@@ -1080,7 +1087,7 @@ package body Freeze is
                & "storage order as enclosing composite", Err_Node);
          end if;
 
-      elsif Aliased_Present (Comp_Def) then
+      elsif Present (Comp_Def) and then Aliased_Present (Comp_Def) then
          Error_Msg_N
            ("aliased component not permitted for type with "
             & "explicit Scalar_Storage_Order", Err_Node);

gcc/ada/par_sco.adb

@@ -2170,12 +2170,12 @@ package body Par_SCO is
    is
       Spec : constant Node_Id := Specification (N);
       Dom  : Dominant_Info;
+
    begin
-      Dom := Traverse_Declarations_Or_Statements
-               (Visible_Declarations (Spec), D);
+      Dom :=
+        Traverse_Declarations_Or_Statements (Visible_Declarations (Spec), D);
 
-      --  The first private declaration is dominated by the last visible
-      --  declaration.
+      --  First private declaration is dominated by last visible declaration
 
       Traverse_Declarations_Or_Statements (Private_Declarations (Spec), Dom);
    end Traverse_Package_Declaration;

gcc/ada/sem_aggr.adb

@@ -1877,31 +1877,6 @@ package body Sem_Aggr is
          return Failure;
       end if;
 
-      if Others_Present
-        and then Nkind (Parent (N)) /= N_Component_Association
-        and then No (Expressions (N))
-        and then
-          Nkind (First (Choices (First (Component_Associations (N)))))
-            = N_Others_Choice
-        and then Is_Elementary_Type (Component_Typ)
-        and then False
-      then
-         declare
-            Assoc : constant Node_Id := First (Component_Associations (N));
-         begin
-            Rewrite (Assoc,
-              Make_Component_Association (Loc,
-                 Choices =>
-                   New_List (
-                     Make_Attribute_Reference (Loc,
-                       Prefix => New_Occurrence_Of (Index_Typ, Loc),
-                       Attribute_Name => Name_Range)),
-                 Expression => Relocate_Node (Expression (Assoc))));
-            return Resolve_Array_Aggregate
-              (N, Index, Index_Constr, Component_Typ, Others_Allowed);
-         end;
-      end if;
-
       --  Protect against cascaded errors
 
       if Etype (Index_Typ) = Any_Type then

gcc/ada/sem_ch7.adb

@@ -2218,7 +2218,7 @@ package body Sem_Ch7 is
             Write_Eol;
          end if;
 
-         --  On  exit from the package scope, we must preserve the visibility
+         --  On exit from the package scope, we must preserve the visibility
          --  established by use clauses in the current scope. Two cases:
 
          --  a) If the entity is an operator, it may be a primitive operator of
@@ -2252,8 +2252,8 @@ package body Sem_Ch7 is
                --  of its parent unit.
 
                if Is_Child_Unit (Id) then
-                  Set_Is_Potentially_Use_Visible (Id,
-                    Is_Visible_Child_Unit (Id));
+                  Set_Is_Potentially_Use_Visible
+                    (Id, Is_Visible_Child_Unit (Id));
                else
                   Set_Is_Potentially_Use_Visible (Id);
                end if;
@@ -2272,9 +2272,7 @@ package body Sem_Ch7 is
          --  full view is also removed from visibility: it may be exposed when
          --  swapping views in an instantiation.
 
-         if Is_Type (Id)
-           and then Present (Full_View (Id))
-         then
+         if Is_Type (Id) and then Present (Full_View (Id)) then
             Set_Is_Immediately_Visible (Full_View (Id), False);
          end if;
 
@@ -2328,7 +2326,7 @@ package body Sem_Ch7 is
            --  OK if object declaration with the No_Initialization flag set
 
            and then not (Nkind (Parent (Id)) = N_Object_Declaration
-                           and then No_Initialization (Parent (Id)))
+                          and then No_Initialization (Parent (Id)))
          then
             --  If no private declaration is present, we assume the user did
             --  not intend a deferred constant declaration and the problem
@@ -2354,13 +2352,13 @@ package body Sem_Ch7 is
 
             else
                Error_Msg_N
-                  ("missing full declaration for deferred constant (RM 7.4)",
-                     Id);
+                 ("missing full declaration for deferred constant (RM 7.4)",
+                  Id);
 
                if Is_Limited_Type (Etype (Id)) then
                   Error_Msg_N
                     ("\if variable intended, remove CONSTANT from declaration",
-                    Parent (Id));
+                     Parent (Id));
                end if;
             end if;
          end if;
@@ -2396,9 +2394,7 @@ package body Sem_Ch7 is
 
          Set_Is_Immediately_Visible (Id, False);
 
-         if Is_Private_Base_Type (Id)
-           and then Present (Full_View (Id))
-         then
+         if Is_Private_Base_Type (Id) and then Present (Full_View (Id)) then
             Full := Full_View (Id);
 
             --  If the partial view is not declared in the visible part of the
@@ -2407,8 +2403,8 @@ package body Sem_Ch7 is
             --  no exchange takes place.
 
             if No (Parent (Id))
-              or else List_Containing (Parent (Id))
-                /= Visible_Declarations (Specification (Decl))
+              or else List_Containing (Parent (Id)) /=
+                               Visible_Declarations (Specification (Decl))
             then
                goto Next_Id;
             end if;
@@ -2433,9 +2429,9 @@ package body Sem_Ch7 is
 
             Priv_Elmt := First_Elmt (Private_Dependents (Id));
 
-            --  Swap out the subtypes and derived types of Id that were
-            --  compiled in this scope, or installed previously by
-            --  Install_Private_Declarations.
+            --  Swap out the subtypes and derived types of Id that
+            --  were compiled in this scope, or installed previously
+            --  by Install_Private_Declarations.
 
             --  Before we do the swap, we verify the presence of the Full_View
             --  field which may be empty due to a swap by a previous call to
@@ -2445,7 +2441,6 @@ package body Sem_Ch7 is
                Priv_Sub := Node (Priv_Elmt);
 
                if Present (Full_View (Priv_Sub)) then
-
                   if Scope (Priv_Sub) = P
                      or else not In_Open_Scopes (Scope (Priv_Sub))
                   then
@@ -2615,11 +2610,11 @@ package body Sem_Ch7 is
          --  expander will provide an implicit completion at some point.
 
          elsif (Is_Overloadable (E)
-               and then Ekind (E) /= E_Enumeration_Literal
-               and then Ekind (E) /= E_Operator
-               and then not Is_Abstract_Subprogram (E)
-               and then not Has_Completion (E)
-               and then Comes_From_Source (Parent (E)))
+                 and then Ekind (E) /= E_Enumeration_Literal
+                 and then Ekind (E) /= E_Operator
+                 and then not Is_Abstract_Subprogram (E)
+                 and then not Has_Completion (E)
+                 and then Comes_From_Source (Parent (E)))
 
            or else
              (Ekind (E) = E_Package
@@ -2633,12 +2628,12 @@ package body Sem_Ch7 is
                and then not Is_Generic_Type (E))
 
            or else
-            ((Ekind (E) = E_Task_Type or else
-              Ekind (E) = E_Protected_Type)
+             (Ekind_In (E, E_Task_Type, E_Protected_Type)
                and then not Has_Completion (E))
 
            or else
-             (Ekind (E) = E_Generic_Package and then E /= P
+             (Ekind (E) = E_Generic_Package
+               and then E /= P
                and then not Has_Completion (E)
                and then Unit_Requires_Body (E))
 

gcc/ada/sem_ch8.adb

@@ -4744,7 +4744,7 @@ package body Sem_Ch8 is
             goto Found;
 
          --  If there is more than one potentially use-visible entity and at
-         --  least one of them non-overloadable, we have an error (RM 8.4(11).
+         --  least one of them non-overloadable, we have an error (RM 8.4(11)).
          --  Note that E points to the first such entity on the homonym list.
          --  Special case: if one of the entities is declared in an actual
          --  package, it was visible in the generic, and takes precedence over