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[PATCH, ADA] Typos in source code comments [6/7]


Bootstrap and check-ada succeeded.  OK for trunk?

Thanks,
Ralf

gcc/ada/ChangeLog:
2008-04-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* sem_ch10.adb, sem_ch10.ads,
	sem_ch12.adb, sem_ch12.ads, sem_ch13.adb, sem_ch13.ads,
	sem_ch3.adb, sem_ch4.adb, sem_ch5.adb, sem_ch6.adb,
	sem_ch6.ads, sem_ch8.adb, sem_ch8.ads, sem_ch9.adb,
	sem_elab.adb, sem_elab.ads, sem_elim.ads, sem_eval.adb,
	sem_eval.ads, sem_intr.adb, sem_mech.adb, sem_mech.ads,
	sem_prag.adb, sem_prag.ads, sem_res.adb, sem_res.ads,
	sem_type.adb, sem_util.adb, sem_util.ads, sem_warn.adb:
	Fix comment typos.

diff --git a/gcc/ada/sem_ch10.adb b/gcc/ada/sem_ch10.adb
index bd9b574..637e153 100644
--- a/gcc/ada/sem_ch10.adb
+++ b/gcc/ada/sem_ch10.adb
@@ -489,7 +489,7 @@ package body Sem_Ch10 is
 
             --  Avoid checking implicitly generated with clauses, limited
             --  with clauses or withs that have pragma Elaborate or
-            --  Elaborate_All apllied.
+            --  Elaborate_All applied.
 
             if Nkind (Clause) = N_With_Clause
               and then not Implicit_With (Clause)
@@ -633,7 +633,7 @@ package body Sem_Ch10 is
       --  level (i.e. this subunit will be handled on the way down from the
       --  parent), so at this level we immediately return. If the subunit
       --  ends up not analyzed, it means that the parent did not contain a
-      --  stub for it, or that there errors were dectected in some ancestor.
+      --  stub for it, or that there errors were detected in some ancestor.
 
       if Nkind (Unit_Node) = N_Subunit
         and then not Analyzed (Lib_Unit)
@@ -928,7 +928,7 @@ package body Sem_Ch10 is
          Remove_Unit_From_Visibility (Defining_Entity (Unit_Node));
 
       --  If the unit is an instantiation whose body will be elaborated for
-      --  inlining purposes, use the the proper entity of the instance. The
+      --  inlining purposes, use the proper entity of the instance. The
       --  entity may be missing if the instantiation was illegal.
 
       elsif Nkind (Unit_Node) = N_Package_Instantiation
@@ -1101,7 +1101,7 @@ package body Sem_Ch10 is
 
                  or else Is_Preelaborated (Spec_Id)
 
-               --  No checks needed if pagma Elaborate_Body present
+               --  No checks needed if pragma Elaborate_Body present
 
                  or else Has_Pragma_Elaborate_Body (Spec_Id)
 
@@ -1275,7 +1275,7 @@ package body Sem_Ch10 is
            and then not Limited_Present (Item)
          then
             --  Skip analyzing with clause if no unit, nothing to do (this
-            --  happens for a with that references a non-existant unit)
+            --  happens for a with that references a non-existent unit)
 
             if Present (Library_Unit (Item)) then
                Analyze (Item);
@@ -1757,7 +1757,7 @@ package body Sem_Ch10 is
    begin
       Check_Stub_Level (N);
 
-      --  First occurence of name may have been as an incomplete type
+      --  First occurrence of name may have been as an incomplete type
 
       if Present (Nam) and then Ekind (Nam) = E_Incomplete_Type then
          Nam := Full_View (Nam);
@@ -2165,7 +2165,7 @@ package body Sem_Ch10 is
    begin
       Check_Stub_Level (N);
 
-      --  First occurence of name may have been as an incomplete type
+      --  First occurrence of name may have been as an incomplete type
 
       if Present (Nam) and then Ekind (Nam) = E_Incomplete_Type then
          Nam := Full_View (Nam);
@@ -2660,7 +2660,7 @@ package body Sem_Ch10 is
       P     : Node_Id;
 
       function Build_Unit_Name (Nam : Node_Id) return Node_Id;
-      --  Comment requireed here ???
+      --  Comment required here ???
 
       ---------------------
       -- Build_Unit_Name --
@@ -5477,7 +5477,7 @@ package body Sem_Ch10 is
                   Next_Entity (E);
                end loop;
 
-               --  If the previous search was not sucessful then the entity
+               --  If the previous search was not successful then the entity
                --  to be restored in the homonym list is the non-limited view
 
                if E = First_Private_Entity (P) then
diff --git a/gcc/ada/sem_ch10.ads b/gcc/ada/sem_ch10.ads
index 9f6543b..066ceec 100644
--- a/gcc/ada/sem_ch10.ads
+++ b/gcc/ada/sem_ch10.ads
@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 S p e c                                  --
 --                                                                          --
---          Copyright (C) 1992-2007, Free Software Foundation, Inc.         --
+--          Copyright (C) 1992-2008, Free Software Foundation, Inc.         --
 --                                                                          --
 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
 -- terms of the  GNU General Public License as published  by the Free Soft- --
@@ -56,7 +56,7 @@ package Sem_Ch10 is
    --  private part of a nested package, even if this package appears in
    --  the visible part of the enclosing compilation unit. This Ada 2005
    --  rule imposes extra steps in order to install/remove the private_with
-   --  clauses of the an enclosing unit.
+   --  clauses of an enclosing unit.
 
    procedure Load_Needed_Body (N : Node_Id; OK : out Boolean);
    --  Load and analyze the body of a context unit that is generic, or
diff --git a/gcc/ada/sem_ch12.adb b/gcc/ada/sem_ch12.adb
index 00c9f39..8728bfe 100644
--- a/gcc/ada/sem_ch12.adb
+++ b/gcc/ada/sem_ch12.adb
@@ -111,7 +111,7 @@ package body Sem_Ch12 is
    --  b) Each instantiation copies the original tree, and inserts into it a
    --  series of declarations that describe the mapping between generic formals
    --  and actuals. For example, a generic In OUT parameter is an object
-   --  renaming of the corresponing actual, etc. Generic IN parameters are
+   --  renaming of the corresponding actual, etc. Generic IN parameters are
    --  constant declarations.
 
    --  c) In order to give the right visibility for these renamings, we use
@@ -465,7 +465,7 @@ package body Sem_Ch12 is
 
    function Is_Generic_Formal (E : Entity_Id) return Boolean;
    --  Utility to determine whether a given entity is declared by means of
-   --  of a formal parameter declaration. Used to set properly the visiblity
+   --  of a formal parameter declaration. Used to set properly the visibility
    --  of generic formals of a generic package declared with a box or with
    --  partial parametrization.
 
@@ -666,7 +666,7 @@ package body Sem_Ch12 is
    --
    --  Nodes that are selected components in the parse tree may be rewritten
    --  as expanded names after resolution, and must be treated as potential
-   --  entity holders. which is why they also have an Associated_Node.
+   --  entity holders, which is why they also have an Associated_Node.
    --
    --  Nodes that do not come from source, such as freeze nodes, do not appear
    --  in the generic tree, and need not have an associated node.
@@ -802,7 +802,7 @@ package body Sem_Ch12 is
      (Pack_Id    : Entity_Id;
       Is_Package : Boolean := True);
    --  Restore the private views of external types, and unmark the generic
-   --  renamings of actuals, so that they become comptible subtypes again.
+   --  renamings of actuals, so that they become compatible subtypes again.
    --  For subprograms, Pack_Id is the package constructed to hold the
    --  renamings.
 
@@ -882,7 +882,7 @@ package body Sem_Ch12 is
 
       Default_Formals : constant List_Id := New_List;
       --  If an Other_Choice is present, some of the formals may be defaulted.
-      --  To simplify the treatement of visibility in an instance, we introduce
+      --  To simplify the treatment of visibility in an instance, we introduce
       --  individual defaults for each such formal. These defaults are
       --  appended to the list of associations and replace the Others_Choice.
 
@@ -1442,8 +1442,8 @@ package body Sem_Ch12 is
          end loop;
       end;
 
-      --  If this is a formal package. normalize the parameter list by adding
-      --  explicit box asssociations for the formals that are covered by an
+      --  If this is a formal package, normalize the parameter list by adding
+      --  explicit box associations for the formals that are covered by an
       --  Others_Choice.
 
       if not Is_Empty_List (Default_Formals) then
@@ -1967,7 +1967,7 @@ package body Sem_Ch12 is
       --  The formal package is rewritten so that its parameters are replaced
       --  with corresponding declarations. For parameters with bona fide
       --  associations these declarations are created by Analyze_Associations
-      --  as for aa regular instantiation. For boxed parameters, we preserve
+      --  as for a regular instantiation. For boxed parameters, we preserve
       --  the formal declarations and analyze them, in order to introduce
       --  entities of the right kind in the environment of the formal.
 
@@ -3180,7 +3180,7 @@ package body Sem_Ch12 is
             --  body to instantiate until the enclosing generic is instantiated
             --  and there is an actual for the formal package. If the formal
             --  package has parameters, we build a regular package instance for
-            --  it, that preceeds the original formal package declaration.
+            --  it, that precedes the original formal package declaration.
 
             if In_Open_Scopes (Scope (Scope (Gen_Unit))) then
                declare
@@ -3338,8 +3338,9 @@ package body Sem_Ch12 is
          --  on current node so context is complete for analysis (including
          --  nested instantiations). If this is the main unit, the declaration
          --  eventually replaces the instantiation node. If the instance body
-         --  is later created, it replaces the instance node, and the declation
-         --  is attached to it (see Build_Instance_Compilation_Unit_Nodes).
+         --  is created later, it replaces the instance node, and the
+         --  declaration is attached to it (see
+         --  Build_Instance_Compilation_Unit_Nodes).
 
          else
             if Cunit_Entity (Current_Sem_Unit) = Defining_Entity (N) then
@@ -3535,7 +3536,7 @@ package body Sem_Ch12 is
          --  removed previously.
 
          --  If current scope is the body of a child unit, remove context of
-         --  spec as well. If an enclosing scope is an instance body. the
+         --  spec as well. If an enclosing scope is an instance body, the
          --  context has already been removed, but the entities in the body
          --  must be made invisible as well.
 
@@ -4514,7 +4515,7 @@ package body Sem_Ch12 is
          if No (E1) then
             return;
 
-         --  If the formal entity comes from a formal declaration. it was
+         --  If the formal entity comes from a formal declaration, it was
          --  defaulted in the formal package, and no check is needed on it.
 
          elsif Nkind (Parent (E2)) =  N_Formal_Object_Declaration then
@@ -4701,7 +4702,7 @@ package body Sem_Ch12 is
    begin
       --  The instantiation appears before the generic body if we are in the
       --  scope of the unit containing the generic, either in its spec or in
-      --  the package body. and before the generic body.
+      --  the package body, and before the generic body.
 
       if Ekind (Gen_Comp) = E_Package_Body then
          Gen_Comp := Spec_Entity (Gen_Comp);
@@ -5777,7 +5778,7 @@ package body Sem_Ch12 is
 
          --  If we are not instantiating, then this is where we load and
          --  analyze subunits, i.e. at the point where the stub occurs. A
-         --  more permissivle system might defer this analysis to the point
+         --  more permissible system might defer this analysis to the point
          --  of instantiation, but this seems to complicated for now.
 
          if not Instantiating then
@@ -5796,7 +5797,7 @@ package body Sem_Ch12 is
                     Error_Node => N);
 
                --  If the proper body is not found, a warning message will be
-               --  emitted when analyzing the stub, or later at the the point
+               --  emitted when analyzing the stub, or later at the point
                --  of instantiation. Here we just leave the stub as is.
 
                if Unum = No_Unit then
@@ -5863,7 +5864,7 @@ package body Sem_Ch12 is
       --  unit field of N points to the parent unit (which is a compilation
       --  unit) and need not (and cannot!) be copied.
 
-      --  When the proper body of the stub is analyzed, thie library_unit link
+      --  When the proper body of the stub is analyzed, the library_unit link
       --  is used to establish the proper context (see sem_ch10).
 
       --  The other fields of a compilation unit are copied as usual
@@ -6253,7 +6254,7 @@ package body Sem_Ch12 is
             end loop;
          end Find_Depth;
 
-      --  Start of procesing for Earlier
+      --  Start of processing for Earlier
 
       begin
          Find_Depth (P1, D1);
@@ -6370,7 +6371,7 @@ package body Sem_Ch12 is
 
    begin
       --  If the instance and the generic body appear within the same unit, and
-      --  the instance preceeds the generic, the freeze node for the instance
+      --  the instance precedes the generic, the freeze node for the instance
       --  must appear after that of the generic. If the generic is nested
       --  within another instance I2, then current instance must be frozen
       --  after I2. In both cases, the freeze nodes are those of enclosing
@@ -6775,7 +6776,7 @@ package body Sem_Ch12 is
 
          --  The inherited context is attached to the enclosing compilation
          --  unit. This is either the main unit, or the declaration for the
-         --  main unit (in case the instantation appears within the package
+         --  main unit (in case the instantiation appears within the package
          --  declaration and the main unit is its body).
 
          Current_Unit := Parent (Inst);
@@ -7260,7 +7261,7 @@ package body Sem_Ch12 is
          Actual_Ent  : Entity_Id);
       --  Associates the formal entity with the actual. In the case
       --  where Formal_Ent is a formal package, this procedure iterates
-      --  through all of its formals and enters associations betwen the
+      --  through all of its formals and enters associations between the
       --  actuals occurring in the formal package's corresponding actual
       --  package (given by Actual_Ent) and the formal package's formal
       --  parameters. This procedure recurses if any of the parameters is
@@ -7277,7 +7278,7 @@ package body Sem_Ch12 is
       procedure Map_Entities (Form : Entity_Id; Act : Entity_Id);
       --  Within the generic part, entities in the formal package are
       --  visible. To validate subsequent type declarations, indicate
-      --  the correspondence betwen the entities in the analyzed formal,
+      --  the correspondence between the entities in the analyzed formal,
       --  and the entities in  the actual package. There are three packages
       --  involved in the instantiation of a formal package: the parent
       --  generic P1 which appears in the generic declaration, the fake
@@ -8621,7 +8622,7 @@ package body Sem_Ch12 is
               ("cannot find body of generic package &", Inst_Node, Gen_Unit);
 
          --  Don't attempt to perform any cleanup actions if some other error
-         --  was aready detected, since this can cause blowups.
+         --  was already detected, since this can cause blowups.
 
          else
             return;
@@ -8646,7 +8647,7 @@ package body Sem_Ch12 is
             Build_Elaboration_Entity (Parent (Inst_Node), Act_Decl_Id);
 
          --  If the instantiation is not a library unit, then append the
-         --  declaration to the list of implicitly generated entities. unless
+         --  declaration to the list of implicitly generated entities, unless
          --  it is already a list member which means that it was already
          --  processed
 
@@ -8715,7 +8716,7 @@ package body Sem_Ch12 is
             Set_Has_Completion (Anon_Id);
             return;
 
-         --  For other cases, commpile the body
+         --  For other cases, compile the body
 
          else
             Load_Parent_Of_Generic
@@ -8770,7 +8771,7 @@ package body Sem_Ch12 is
          Check_Generic_Actuals (Pack_Id, False);
 
          --  Generate a reference to link the visible subprogram instance to
-         --  the the generic body, which for navigation purposes is the only
+         --  the generic body, which for navigation purposes is the only
          --  available source for the instance.
 
          Generate_Reference
@@ -9386,7 +9387,7 @@ package body Sem_Ch12 is
             Abandon_Instantiation (Actual);
          end if;
 
-         --  Ada 2005 (AI-443): Synchronized formal derived type ckecks. Note
+         --  Ada 2005 (AI-443): Synchronized formal derived type checks. Note
          --  that the formal type declaration has been rewritten as a private
          --  extension.
 
@@ -10709,7 +10710,7 @@ package body Sem_Ch12 is
 
             --  Within a nested instantiation, a defaulted actual is an empty
             --  association, so nothing to analyze. If the subprogram actual
-            --  isan attribute, analyze prefix only, because actual is not a
+            --  is an attribute, analyze prefix only, because actual is not a
             --  complete attribute reference.
 
             --  If actual is an allocator, analyze expression only. The full
@@ -11018,7 +11019,7 @@ package body Sem_Ch12 is
             --  package itself. If the instance is a subprogram, all entities
             --  in the corresponding package are renamings. If this entity is
             --  a formal package, make its own formals private as well. The
-            --  actual in this case is itself the renaming of an instantation.
+            --  actual in this case is itself the renaming of an instantiation.
             --  If the entity is not a package renaming, it is the entity
             --  created to validate formal package actuals: ignore.
 
@@ -11467,7 +11468,7 @@ package body Sem_Ch12 is
             Next (Act2);
          end loop;
 
-         --  Find the associations added for default suprograms
+         --  Find the associations added for default subprograms
 
          if Present (Act2) then
             while Nkind (Act2) /= N_Generic_Association
diff --git a/gcc/ada/sem_ch12.ads b/gcc/ada/sem_ch12.ads
index 689e597..7ebb2e8 100644
--- a/gcc/ada/sem_ch12.ads
+++ b/gcc/ada/sem_ch12.ads
@@ -130,7 +130,7 @@ package Sem_Ch12 is
    --  an inlined body (so that errout can distinguish cases for generating
    --  error messages, otherwise the treatment is identical). In this call
    --  N is the subprogram body and E is the defining identifier of the
-   --  subprogram in quiestion. The resulting Sloc adjustment factor is
+   --  subprogram in question. The resulting Sloc adjustment factor is
    --  saved as part of the internal state of the Sem_Ch12 package for use
    --  in subsequent calls to copy nodes.
 
diff --git a/gcc/ada/sem_ch13.adb b/gcc/ada/sem_ch13.adb
index 1b6eece..93d6627 100644
--- a/gcc/ada/sem_ch13.adb
+++ b/gcc/ada/sem_ch13.adb
@@ -67,13 +67,13 @@ package body Sem_Ch13 is
 
    procedure Alignment_Check_For_Esize_Change (Typ : Entity_Id);
    --  This routine is called after setting the Esize of type entity Typ.
-   --  The purpose is to deal with the situation where an aligment has been
+   --  The purpose is to deal with the situation where an alignment has been
    --  inherited from a derived type that is no longer appropriate for the
    --  new Esize value. In this case, we reset the Alignment to unknown.
 
    procedure Check_Component_Overlap (C1_Ent, C2_Ent : Entity_Id);
    --  Given two entities for record components or discriminants, checks
-   --  if they hav overlapping component clauses and issues errors if so.
+   --  if they have overlapping component clauses and issues errors if so.
 
    function Get_Alignment_Value (Expr : Node_Id) return Uint;
    --  Given the expression for an alignment value, returns the corresponding
@@ -118,7 +118,7 @@ package body Sem_Ch13 is
    --  call to Validate_Unchecked_Conversions does the actual error
    --  checking and posting of warnings. The reason for this delayed
    --  processing is to take advantage of back-annotations of size and
-   --  alignment values peformed by the back end.
+   --  alignment values performed by the back end.
 
    type UC_Entry is record
       Enode  : Node_Id;   -- node used for posting warnings
@@ -294,7 +294,7 @@ package body Sem_Ch13 is
 
       declare
          Comps : array (0 .. Num_CC) of Entity_Id;
-         --  Array to collect component and discrimninant entities. The data
+         --  Array to collect component and discriminant entities. The data
          --  starts at index 1, the 0'th entry is for the sort routine.
 
          function CP_Lt (Op1, Op2 : Natural) return Boolean;
@@ -1490,7 +1490,7 @@ package body Sem_Ch13 is
             --  The Stack_Bounded_Pool is used internally for implementing
             --  access types with a Storage_Size. Since it only work
             --  properly when used on one specific type, we need to check
-            --  that it is not highjacked improperly:
+            --  that it is not hijacked improperly:
             --    type T is access Integer;
             --    for T'Storage_Size use n;
             --    type Q is access Float;
@@ -2394,7 +2394,7 @@ package body Sem_Ch13 is
 
                   elsif Present (Component_Clause (Comp)) then
 
-                     --  Diagose duplicate rep clause, or check consistency
+                     --  Diagnose duplicate rep clause, or check consistency
                      --  if this is an inherited component. In a double fault,
                      --  there may be a duplicate inconsistent clause for an
                      --  inherited component.
@@ -2730,7 +2730,7 @@ package body Sem_Ch13 is
 
       --  For records longer than System.Storage_Unit, and for those where not
       --  all components have component clauses, the back end determines the
-      --  length (it may for example be appopriate to round up the size
+      --  length (it may for example be appropriate to round up the size
       --  to some convenient boundary, based on alignment considerations, etc).
 
       if Unknown_RM_Size (Rectype) and then Hbit + 1 <= 32 then
@@ -3574,7 +3574,7 @@ package body Sem_Ch13 is
 
       --  Signed case. Note that we consider types like range 1 .. -1 to be
       --  signed for the purpose of computing the size, since the bounds have
-      --  to be accomodated in the base type.
+      --  to be accommodated in the base type.
 
       if Lo < 0 or else Hi < 0 then
          S := 1;
@@ -3775,7 +3775,7 @@ package body Sem_Ch13 is
            ("representation item must be after full type declaration", N);
          return True;
 
-      --  If the type has incompleted components, a representation clause is
+      --  If the type has incomplete components, a representation clause is
       --  illegal but stream attributes and Convention pragmas are correct.
 
       elsif Has_Private_Component (T) then
@@ -4058,7 +4058,7 @@ package body Sem_Ch13 is
 
       --  For enumeration types, we must check each literal to see if the
       --  representation is the same. Note that we do not permit enumeration
-      --  reprsentation clauses for Character and Wide_Character, so these
+      --  representation clauses for Character and Wide_Character, so these
       --  cases were already dealt with.
 
       elsif Is_Enumeration_Type (T1) then
diff --git a/gcc/ada/sem_ch13.ads b/gcc/ada/sem_ch13.ads
index 204a083..427f836 100644
--- a/gcc/ada/sem_ch13.ads
+++ b/gcc/ada/sem_ch13.ads
@@ -99,7 +99,7 @@ package Sem_Ch13 is
    function Rep_Item_Too_Early (T : Entity_Id; N : Node_Id) return Boolean;
    --  Called at the start of processing a representation clause or a
    --  representation pragma. Used to check that the representation item
-   --  is not being applied to an incompleted type or to a generic formal
+   --  is not being applied to an incomplete type or to a generic formal
    --  type or a type derived from a generic formal type. Returns False if
    --  no such error occurs. If this error does occur, appropriate error
    --  messages are posted on node N, and True is returned.
@@ -150,7 +150,7 @@ package Sem_Ch13 is
       Act_Unit : Entity_Id);
    --  Validate a call to unchecked conversion. N is the node for the actual
    --  instantiation, which is used only for error messages. Act_Unit is the
-   --  entity for the instantiation, from which the actual types etc for this
+   --  entity for the instantiation, from which the actual types etc. for this
    --  instantiation can be determined. This procedure makes an entry in a
    --  table and/or generates an N_Validate_Unchecked_Conversion node. The
    --  actual checking is done in Validate_Unchecked_Conversions or in the
diff --git a/gcc/ada/sem_ch3.adb b/gcc/ada/sem_ch3.adb
index 00e471a..88ee0d5 100644
--- a/gcc/ada/sem_ch3.adb
+++ b/gcc/ada/sem_ch3.adb
@@ -94,7 +94,7 @@ package body Sem_Ch3 is
    --  Parent_Type is the entity for the parent type in the derived type
    --  definition and Derived_Type the actual derived type. Is_Completion must
    --  be set to False if Derived_Type is the N_Defining_Identifier node in N
-   --  (ie Derived_Type = Defining_Identifier (N)). In this case N is not the
+   --  (i.e. Derived_Type = Defining_Identifier (N)). In this case N is not the
    --  completion of a private type declaration. If Is_Completion is set to
    --  True, N is the completion of a private type declaration and Derived_Type
    --  is different from the defining identifier inside N (i.e. Derived_Type /=
@@ -749,7 +749,7 @@ package body Sem_Ch3 is
       --  formal part is currently being analyzed, but will be the parent scope
       --  in the case of a parameterless function, and we always want to use
       --  the function's parent scope. Finally, if the function is a child
-      --  unit, we must traverse the the tree to retrieve the proper entity.
+      --  unit, we must traverse the tree to retrieve the proper entity.
 
       elsif Nkind (Related_Nod) = N_Function_Specification
         and then Nkind (Parent (N)) /= N_Parameter_Specification
@@ -2030,7 +2030,7 @@ package body Sem_Ch3 is
       Set_Primitive_Operations      (T, New_Elmt_List);
 
       --  Complete the decoration of the class-wide entity if it was already
-      --  built (ie. during the creation of the limited view)
+      --  built (i.e. during the creation of the limited view)
 
       if Present (CW) then
          Set_Is_Interface (CW);
@@ -2804,7 +2804,7 @@ package body Sem_Ch3 is
          end if;
 
          --  Set Has_Initial_Value if initializing expression present. Note
-         --  that if there is no initializating expression, we leave the state
+         --  that if there is no initializing expression, we leave the state
          --  of this flag unchanged (usually it will be False, but notably in
          --  the case of exception choice variables, it will already be true).
 
@@ -5969,7 +5969,7 @@ package body Sem_Ch3 is
    --  which makes the treatment for T1 and T2 identical.
 
    --  What we want when inheriting S, is that references to D1 and D2 in R are
-   --  replaced with references to their correct constraints, ie D1 and D2 in
+   --  replaced with references to their correct constraints, i.e. D1 and D2 in
    --  T1 and 1 and X in T2. So all R's discriminant references are replaced
    --  with either discriminant references in the derived type or expressions.
    --  This replacement is achieved as follows: before inheriting R's
@@ -6049,7 +6049,7 @@ package body Sem_Ch3 is
 
    --  The full view of a private extension is handled exactly as described
    --  above. The model chose for the private view of a private extension is
-   --  the same for what concerns discriminants (ie they receive the same
+   --  the same for what concerns discriminants (i.e. they receive the same
    --  treatment as in the tagged case). However, the private view of the
    --  private extension always inherits the components of the parent base,
    --  without replacing any discriminant reference. Strictly speaking this is
@@ -7381,7 +7381,7 @@ package body Sem_Ch3 is
                --  and therefore when reanalyzing "subtype W is G (D => 1);"
                --  which really looks like "subtype W is Rec (D => 1);" at
                --  the point of instantiation, we want to find the discriminant
-               --  that corresponds to D in Rec, ie X.
+               --  that corresponds to D in Rec, i.e. X.
 
                if Present (Original_Discriminant (Id)) then
                   Discr := Find_Corresponding_Discriminant (Id, T);
@@ -9193,7 +9193,7 @@ package body Sem_Ch3 is
          end if;
 
          --  Allow incomplete declaration of tags (used to handle forward
-         --  references to tags). The check on Ada_Tags avoids cicularities
+         --  references to tags). The check on Ada_Tags avoids circularities
          --  when rebuilding the compiler.
 
          if RTU_Loaded (Ada_Tags)
diff --git a/gcc/ada/sem_ch4.adb b/gcc/ada/sem_ch4.adb
index 2246399..60d3cd3 100644
--- a/gcc/ada/sem_ch4.adb
+++ b/gcc/ada/sem_ch4.adb
@@ -132,7 +132,7 @@ package body Sem_Ch4 is
    --  an invalid selector error message.
 
    function Defined_In_Scope (T : Entity_Id; S : Entity_Id) return Boolean;
-   --  Verify that type T is declared in scope S. Used to find intepretations
+   --  Verify that type T is declared in scope S. Used to find interpretations
    --  for operators given by expanded names. This is abstracted as a separate
    --  function to handle extensions to System, where S is System, but T is
    --  declared in the extension.
@@ -1344,7 +1344,7 @@ package body Sem_Ch4 is
       if not Is_Overloaded (P) then
          if Is_Access_Type (Etype (P)) then
 
-            --  Set the Etype. We need to go thru Is_For_Access_Subtypes to
+            --  Set the Etype. We need to go through Is_For_Access_Subtypes to
             --  avoid other problems caused by the Private_Subtype and it is
             --  safe to go to the Base_Type because this is the same as
             --  converting the access value to its Base_Type.
@@ -2213,7 +2213,7 @@ package body Sem_Ch4 is
                 (N, Nam, Designated_Type (Subp_Type), Must_Skip);
 
          --  The prefix can also be a parameterless function that returns an
-         --  access to subprogram. in which case this is an indirect call.
+         --  access to subprogram, in which case this is an indirect call.
 
          elsif Is_Access_Type (Subp_Type)
            and then Ekind (Designated_Type (Subp_Type)) = E_Subprogram_Type
@@ -3195,7 +3195,7 @@ package body Sem_Ch4 is
 
             --  If the prefix is a private extension, check only the visible
             --  components of the partial view. This must include the tag,
-            --  wich can appear in expanded code in a tag check.
+            --  which can appear in expanded code in a tag check.
 
             if Ekind (Type_To_Use) = E_Record_Type_With_Private
               and then  Chars (Selector_Name (N)) /= Name_uTag
@@ -3262,7 +3262,7 @@ package body Sem_Ch4 is
                      Set_Original_Discriminant (Sel, Comp);
                   end if;
 
-               --  Before declararing an error, check whether this is tagged
+               --  Before declaring an error, check whether this is tagged
                --  private type and a call to a primitive operation.
 
                elsif Ada_Version >= Ada_05
@@ -5340,8 +5340,8 @@ package body Sem_Ch4 is
             --  is never appropriate, even when Address is defined as a visible
             --  Integer type. The reason is that we would really prefer Address
             --  to behave as a private type, even in this case, which is there
-            --  only to accomodate oddities of VMS address sizes. If Address is
-            --  a visible integer type, we get lots of overload ambiguities.
+            --  only to accommodate oddities of VMS address sizes. If Address
+            --  is a visible integer type, we get lots of overload ambiguities.
 
             if Nkind (N) in N_Binary_Op then
                declare
diff --git a/gcc/ada/sem_ch5.adb b/gcc/ada/sem_ch5.adb
index c569a28..a1cd552 100644
--- a/gcc/ada/sem_ch5.adb
+++ b/gcc/ada/sem_ch5.adb
@@ -818,7 +818,7 @@ package body Sem_Ch5 is
 
       begin
          --  Initialize unblocked exit count for statements of begin block
-         --  plus one for each excption handler that is present.
+         --  plus one for each exception handler that is present.
 
          Unblocked_Exit_Count := 1;
 
@@ -930,7 +930,7 @@ package body Sem_Ch5 is
 
       procedure Non_Static_Choice_Error (Choice : Node_Id);
       --  Error routine invoked by the generic instantiation below when
-      --  the case statment has a non static choice.
+      --  the case statement has a non static choice.
 
       procedure Process_Statements (Alternative : Node_Id);
       --  Analyzes all the statements associated to a case alternative.
diff --git a/gcc/ada/sem_ch6.adb b/gcc/ada/sem_ch6.adb
index 668a2a7..4d566d7 100644
--- a/gcc/ada/sem_ch6.adb
+++ b/gcc/ada/sem_ch6.adb
@@ -112,7 +112,7 @@ package body Sem_Ch6 is
    procedure Build_Body_To_Inline (N : Node_Id; Subp : Entity_Id);
    --  If a subprogram has pragma Inline and inlining is active, use generic
    --  machinery to build an unexpanded body for the subprogram. This body is
-   --  subsequenty used for inline expansions at call sites. If subprogram can
+   --  subsequently used for inline expansions at call sites. If subprogram can
    --  be inlined (depending on size and nature of local declarations) this
    --  function returns true. Otherwise subprogram body is treated normally.
    --  If proper warnings are enabled and the subprogram contains a construct
@@ -673,7 +673,7 @@ package body Sem_Ch6 is
       then
          --  Apply constraint check. Note that this is done before the implicit
          --  conversion of the expression done for anonymous access types to
-         --  ensure correct generation of the null-excluding check asssociated
+         --  ensure correct generation of the null-excluding check associated
          --  with null-excluding expressions found in return statements.
 
          Apply_Constraint_Check (Expr, R_Type);
@@ -998,7 +998,7 @@ package body Sem_Ch6 is
       --  The syntactic construct: PREFIX ACTUAL_PARAMETER_PART can denote
       --  a procedure call or an entry call. The prefix may denote an access
       --  to subprogram type, in which case an implicit dereference applies.
-      --  If the prefix is an indexed component (without implicit defererence)
+      --  If the prefix is an indexed component (without implicit dereference)
       --  then the construct denotes a call to a member of an entire family.
       --  If the prefix is a simple name, it may still denote a call to a
       --  parameterless member of an entry family. Resolution of these various
@@ -2200,7 +2200,7 @@ package body Sem_Ch6 is
             if Nkind (Ostm) = N_Raise_Statement then
                Set_Trivial_Subprogram (Stm);
 
-            --  If null statement, and no following statemennts, turn on flag
+            --  If null statement, and no following statements, turn on flag
 
             elsif Nkind (Stm) = N_Null_Statement
               and then Comes_From_Source (Stm)
@@ -3618,7 +3618,7 @@ package body Sem_Ch6 is
    begin
       --  The algorithm checks every overriding dispatching operation against
       --  all the corresponding overridden dispatching operations, detecting
-      --  differences in coventions.
+      --  differences in conventions.
 
       Prim_Op_Elmt := First_Elmt (Primitive_Operations (Typ));
       while Present (Prim_Op_Elmt) loop
@@ -4260,8 +4260,8 @@ package body Sem_Ch6 is
             then
                null;
 
-            --  A loop with no exit statement or iteration scheme if either
-            --  an inifite loop, or it has some other exit (raise/return).
+            --  A loop with no exit statement or iteration scheme is either
+            --  an infinite loop, or it has some other exit (raise/return).
             --  In either case, no warning is required.
 
             else
@@ -6529,7 +6529,7 @@ package body Sem_Ch6 is
          else
             Error_Msg_Sloc := Sloc (E);
 
-            --  Generate message,with useful additionalwarning if in generic
+            --  Generate message, with useful additional warning if in generic
 
             if Is_Generic_Unit (E) then
                Error_Msg_N ("previous generic unit cannot be overloaded", S);
@@ -6580,9 +6580,9 @@ package body Sem_Ch6 is
 
                --  There are some cases when both can be implicit, for example
                --  when both a literal and a function that overrides it are
-               --  inherited in a derivation, or when an inhertited operation
+               --  inherited in a derivation, or when an inherited operation
                --  of a tagged full type overrides the inherited operation of
-               --  a private extension. Ada 83 had a special rule for the the
+               --  a private extension. Ada 83 had a special rule for the
                --  literal case. In Ada95, the later implicit operation hides
                --  the former, and the literal is always the former. In the
                --  odd case where both are derived operations declared at the
@@ -7443,7 +7443,7 @@ package body Sem_Ch6 is
       AS_Needed      : Boolean;
 
    begin
-      --  If this is an emtpy initialization procedure, no need to create
+      --  If this is an empty initialization procedure, no need to create
       --  actual subtypes (small optimization).
 
       if Ekind (Subp) = E_Procedure
diff --git a/gcc/ada/sem_ch6.ads b/gcc/ada/sem_ch6.ads
index a195945..a535bd1 100644
--- a/gcc/ada/sem_ch6.ads
+++ b/gcc/ada/sem_ch6.ads
@@ -78,7 +78,7 @@ package Sem_Ch6 is
      (New_Id  : Entity_Id;
       Old_Id  : Entity_Id;
       Err_Loc : Node_Id := Empty);
-   --  Check that two callable entitites (subprograms, entries, literals)
+   --  Check that two callable entities (subprograms, entries, literals)
    --  are fully conformant, post error message if not (RM 6.3.1(17)) with
    --  the flag being placed on the Err_Loc node if it is specified, and
    --  on the appropriate component of the New_Id construct if not. Note:
@@ -92,7 +92,7 @@ package Sem_Ch6 is
       Old_Id   : Entity_Id;
       Err_Loc  : Node_Id := Empty;
       Get_Inst : Boolean := False);
-   --  Check that two callable entitites (subprograms, entries, literals)
+   --  Check that two callable entities (subprograms, entries, literals)
    --  are mode conformant, post error message if not (RM 6.3.1(15)) with
    --  the flag being placed on the Err_Loc node if it is specified, and
    --  on the appropriate component of the New_Id construct if not. The
@@ -114,7 +114,7 @@ package Sem_Ch6 is
      (New_Id  : Entity_Id;
       Old_Id  : Entity_Id;
       Err_Loc : Node_Id := Empty);
-   --  Check that two callable entitites (subprograms, entries, literals)
+   --  Check that two callable entities (subprograms, entries, literals)
    --  are subtype conformant, post error message if not (RM 6.3.1(16))
    --  the flag being placed on the Err_Loc node if it is specified, and
    --  on the appropriate component of the New_Id construct if not.
@@ -123,7 +123,7 @@ package Sem_Ch6 is
      (New_Id  : Entity_Id;
       Old_Id  : Entity_Id;
       Err_Loc : Node_Id := Empty);
-   --  Check that two callable entitites (subprograms, entries, literals)
+   --  Check that two callable entities (subprograms, entries, literals)
    --  are type conformant, post error message if not (RM 6.3.1(14)) with
    --  the flag being placed on the Err_Loc node if it is specified, and
    --  on the appropriate component of the New_Id construct if not.
diff --git a/gcc/ada/sem_ch8.adb b/gcc/ada/sem_ch8.adb
index ad03cdb..da77f58 100644
--- a/gcc/ada/sem_ch8.adb
+++ b/gcc/ada/sem_ch8.adb
@@ -462,7 +462,7 @@ package body Sem_Ch8 is
    --  gram in an instance, for which special visibility checks apply.
 
    function Has_Implicit_Operator (N : Node_Id) return Boolean;
-   --  N is an expanded name whose selector is an operator name (eg P."+").
+   --  N is an expanded name whose selector is an operator name (e.g. P."+").
    --  declarative part contains an implicit declaration of an operator if it
    --  has a declaration of a type to which one of the predefined operators
    --  apply. The existence of this routine is an implementation artifact. A
@@ -1431,7 +1431,7 @@ package body Sem_Ch8 is
       --    in Sub must also have one. Otherwise the subtype of the Sub's
       --    formal parameter must exclude null.
       --
-      --    If Ren is a renaming of a formal function and its retrun
+      --    If Ren is a renaming of a formal function and its return
       --    profile has a null exclusion, then Sub's return profile must
       --    have one. Otherwise the subtype of Sub's return profile must
       --    exclude null.
@@ -1957,7 +1957,7 @@ package body Sem_Ch8 is
          if Is_Actual then
             null;
 
-         --  Guard agaisnt previous errors, and omit renamings of predefined
+         --  Guard against previous errors, and omit renamings of predefined
          --  operators.
 
          elsif Ekind (Old_S) /= E_Function
@@ -3838,7 +3838,7 @@ package body Sem_Ch8 is
                All_Overloadable := All_Overloadable and Is_Overloadable (E2);
 
             --  Ada 2005 (AI-262): Protect against a form of Beujolais effect
-            --  that can occurr in private_with clauses. Example:
+            --  that can occur in private_with clauses. Example:
 
             --    with A;
             --    private with B;              package A is
@@ -4027,7 +4027,7 @@ package body Sem_Ch8 is
          --  When distribution features are available (Get_PCS_Name /=
          --  Name_No_DSA), a remote access-to-subprogram type is converted
          --  into a record type holding whatever information is needed to
-         --  perform a remote call on an RCI suprogram. In that case we
+         --  perform a remote call on an RCI subprogram. In that case we
          --  rewrite any occurrence of the RAS type into the equivalent record
          --  type here. 'Access attribute references and RAS dereferences are
          --  then implemented using specific TSSs. However when distribution is
@@ -4143,7 +4143,7 @@ package body Sem_Ch8 is
             --    the entity is unambiguous, because the tree is not
             --    sufficiently typed at this point for Generate_Reference to
             --    determine whether this reference modifies the denoted object
-            --    (because implicit derefences cannot be identified prior to
+            --    (because implicit dereferences cannot be identified prior to
             --    full type resolution).
             --
             --    The Is_Actual_Parameter routine takes care of one of these
@@ -6110,7 +6110,7 @@ package body Sem_Ch8 is
          end if;
 
          --  If the new use clause appears in the private part of a parent unit
-         --  it may appear to be redudant w.r.t. a use clause in a child unit,
+         --  it may appear to be redundant w.r.t. a use clause in a child unit,
          --  but the previous use clause was needed in the visible part of the
          --  child, and no warning should be emitted.
 
@@ -6989,7 +6989,7 @@ package body Sem_Ch8 is
          --       type T ...       use P.T;
 
          --  The compilation unit is the body of X. GNAT first compiles the
-         --  spec of X, then procedes to the body. At that point P is marked
+         --  spec of X, then proceeds to the body. At that point P is marked
          --  as use visible. The analysis then reinstalls the spec along with
          --  its context. The use clause P.T is now recognized as redundant,
          --  but in the wrong context. Do not emit a warning in such cases.
diff --git a/gcc/ada/sem_ch8.ads b/gcc/ada/sem_ch8.ads
index 1d887aa..45fb07b 100644
--- a/gcc/ada/sem_ch8.ads
+++ b/gcc/ada/sem_ch8.ads
@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 S p e c                                  --
 --                                                                          --
---          Copyright (C) 1992-2007, Free Software Foundation, Inc.         --
+--          Copyright (C) 1992-2008, Free Software Foundation, Inc.         --
 --                                                                          --
 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
 -- terms of the  GNU General Public License as published  by the Free Soft- --
@@ -146,7 +146,7 @@ package Sem_Ch8 is
    --  return, the contents of the scope stack must be made accessible again.
    --  The flag Handle_Use indicates whether local use clauses must be
    --  removed/installed. In the case of inlining of instance bodies, the
-   --  visiblity handling is done fully in Inline_Instance_Body, and use
+   --  visibility handling is done fully in Inline_Instance_Body, and use
    --  clauses are handled there.
 
    procedure Set_Use (L : List_Id);
diff --git a/gcc/ada/sem_ch9.adb b/gcc/ada/sem_ch9.adb
index 86de33e..d9e7ff9 100644
--- a/gcc/ada/sem_ch9.adb
+++ b/gcc/ada/sem_ch9.adb
@@ -917,7 +917,7 @@ package body Sem_Ch9 is
       if Nkind (Call) = N_Attribute_Reference then
 
          --  Possibly a stream attribute, but definitely illegal. Other
-         --  illegalitles, such as procedure calls, are diagnosed after
+         --  illegalities, such as procedure calls, are diagnosed after
          --  resolution.
 
          Error_Msg_N ("entry call alternative requires an entry call", Call);
@@ -983,7 +983,7 @@ package body Sem_Ch9 is
    --  order to make it available to the barrier, we create an additional
    --  scope, as for a loop, whose only declaration is the index name. This
    --  loop is not attached to the tree and does not appear as an entity local
-   --  to the protected type, so its existence need only be knwown to routines
+   --  to the protected type, so its existence need only be known to routines
    --  that process entry families.
 
    procedure Analyze_Entry_Index_Specification (N : Node_Id) is
@@ -2175,7 +2175,7 @@ package body Sem_Ch9 is
              ("triggering statement must be delay or entry call", Trigger);
 
          --  Ada 2005 (AI-345): If a procedure_call_statement is used for a
-         --  procedure_or_entry_call, the procedure_name or pro- cedure_prefix
+         --  procedure_or_entry_call, the procedure_name or procedure_prefix
          --  of the procedure_call_statement shall denote an entry renamed by a
          --  procedure, or (a view of) a primitive subprogram of a limited
          --  interface whose first parameter is a controlling parameter.
diff --git a/gcc/ada/sem_elab.adb b/gcc/ada/sem_elab.adb
index d61ebb0..3406599 100644
--- a/gcc/ada/sem_elab.adb
+++ b/gcc/ada/sem_elab.adb
@@ -491,7 +491,7 @@ package body Sem_Elab is
       --  calls and calls involving object notation) where W_Scope might not
       --  be in the context of the current unit, and there is an intermediate
       --  package that is, in which case the Elaborate_All has to be placed
-      --  on this intedermediate package. These special cases are handled in
+      --  on this intermediate package. These special cases are handled in
       --  Set_Elaboration_Constraint.
 
       Body_Acts_As_Spec : Boolean;
@@ -1795,7 +1795,7 @@ package body Sem_Elab is
       --    outer level call.
 
       --    It is an outer level instantiation from elaboration code, or the
-      --    instantiated entity is in the same elaboratoin scope.
+      --    instantiated entity is in the same elaboration scope.
 
       --  And in these cases, we will check both the inter-unit case and
       --  the intra-unit (within a single unit) case.
@@ -1877,7 +1877,7 @@ package body Sem_Elab is
          return;
 
       --  Nothing to do if analyzing in special spec-expression mode, since the
-      --  call is not actualy being made at this time.
+      --  call is not actually being made at this time.
 
       elsif In_Spec_Expression then
          return;
@@ -2408,7 +2408,7 @@ package body Sem_Elab is
               and then
                 not Restriction_Active (No_Entry_Calls_In_Elaboration_Code)
             then
-               --  Runtime elaboration check required. generate check of the
+               --  Runtime elaboration check required. Generate check of the
                --  elaboration Boolean for the unit containing the entity.
 
                Insert_Elab_Check (N,
diff --git a/gcc/ada/sem_elab.ads b/gcc/ada/sem_elab.ads
index f6529b8..7b85b6f 100644
--- a/gcc/ada/sem_elab.ads
+++ b/gcc/ada/sem_elab.ads
@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 S p e c                                  --
 --                                                                          --
---          Copyright (C) 1997-2007, Free Software Foundation, Inc.         --
+--          Copyright (C) 1997-2008, Free Software Foundation, Inc.         --
 --                                                                          --
 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
 -- terms of the  GNU General Public License as published  by the Free Soft- --
@@ -85,7 +85,7 @@ package Sem_Elab is
    --  Note on pragma Elaborate. The checking here assumes that a pragma
    --  Elaborate on a with'ed unit guarantees that subprograms within the
    --  unit can be called without causing an ABE. This is not in fact the
-   --  case since pragma Elaborate does not guarantee the transititive
+   --  case since pragma Elaborate does not guarantee the transitive
    --  coverage guaranteed by Elaborate_All. However, we leave this issue
    --  up to the binder, which has generates warnings if there are possible
    --  problems in the use of pragma Elaborate.
diff --git a/gcc/ada/sem_elim.ads b/gcc/ada/sem_elim.ads
index dfcad41..ee9f8a1 100644
--- a/gcc/ada/sem_elim.ads
+++ b/gcc/ada/sem_elim.ads
@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 S p e c                                  --
 --                                                                          --
---          Copyright (C) 1997-2007, Free Software Foundation, Inc.         --
+--          Copyright (C) 1997-2008, Free Software Foundation, Inc.         --
 --                                                                          --
 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
 -- terms of the  GNU General Public License as published  by the Free Soft- --
@@ -30,7 +30,7 @@ with Types; use Types;
 package Sem_Elim is
 
    procedure Initialize;
-   --  Initialize for new main souce program
+   --  Initialize for new main source program
 
    procedure Process_Eliminate_Pragma
      (Pragma_Node         : Node_Id;
@@ -53,7 +53,7 @@ package Sem_Elim is
    --  flag on the given entity.
 
    procedure Eliminate_Error_Msg (N : Node_Id; E : Entity_Id);
-   --  Called by the back end on encouterning a call to an eliminated
+   --  Called by the back end on encountering a call to an eliminated
    --  subprogram. N is the node for the call, and E is the entity of
    --  the subprogram being eliminated.
 
diff --git a/gcc/ada/sem_eval.adb b/gcc/ada/sem_eval.adb
index 7b38241..9801df6 100644
--- a/gcc/ada/sem_eval.adb
+++ b/gcc/ada/sem_eval.adb
@@ -57,7 +57,7 @@ package body Sem_Eval is
    -----------------------------------------
 
    --  The compile time evaluation of expressions is distributed over several
-   --  Eval_xxx procedures. These procedures are called immediatedly after
+   --  Eval_xxx procedures. These procedures are called immediately after
    --  a subexpression is resolved and is therefore accomplished in a bottom
    --  up fashion. The flags are synthesized using the following approach.
 
@@ -3227,7 +3227,7 @@ package body Sem_Eval is
          return Ureal_0;
       end if;
 
-      --  If we fall through, we have a node that cannot be interepreted
+      --  If we fall through, we have a node that cannot be interpreted
       --  as a compile time constant. That is definitely an error.
 
       raise Program_Error;
@@ -3307,7 +3307,7 @@ package body Sem_Eval is
          Typ := Full_View (Typ);
       end if;
 
-      --  For a result of type integer, subsitute an N_Integer_Literal node
+      --  For a result of type integer, substitute an N_Integer_Literal node
       --  for the result of the compile time evaluation of the expression.
 
       if Is_Integer_Type (Typ) then
@@ -3497,7 +3497,7 @@ package body Sem_Eval is
       end if;
 
    --  If any exception occurs, it means that we have some bug in the compiler
-   --  possibly triggered by a previous error, or by some unforseen peculiar
+   --  possibly triggered by a previous error, or by some unforeseen peculiar
    --  occurrence. However, this is only an optimization attempt, so there is
    --  really no point in crashing the compiler. Instead we just decide, too
    --  bad, we can't figure out the answer in this case after all.
@@ -4097,7 +4097,7 @@ package body Sem_Eval is
          --  To understand the requirement for this test, see RM 4.9.1(1).
          --  As is made clear in RM 3.5.4(11), type Integer, for example
          --  is a constrained subtype with constraint bounds matching the
-         --  bounds of its corresponding uncontrained base type. In this
+         --  bounds of its corresponding unconstrained base type. In this
          --  situation, Integer and Integer'Base do not statically match,
          --  even though they have the same bounds.
 
diff --git a/gcc/ada/sem_eval.ads b/gcc/ada/sem_eval.ads
index bb6348b..f0dcd52 100644
--- a/gcc/ada/sem_eval.ads
+++ b/gcc/ada/sem_eval.ads
@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 S p e c                                  --
 --                                                                          --
---          Copyright (C) 1992-2007, Free Software Foundation, Inc.         --
+--          Copyright (C) 1992-2008, Free Software Foundation, Inc.         --
 --                                                                          --
 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
 -- terms of the  GNU General Public License as published  by the Free Soft- --
@@ -56,7 +56,7 @@ package Sem_Eval is
 
    --    Raises_Constraint_Error
 
-   --      This flag indicatest that it is known at compile time that the
+   --      This flag indicates that it is known at compile time that the
    --      evaluation of an expression raises constraint error. If the
    --      expression is static, and this flag is off, then it is also known at
    --      compile time that the expression does not raise constraint error
@@ -159,7 +159,7 @@ package Sem_Eval is
    --  An OK static expression is one that is static in the RM definition sense
    --  and which does not raise constraint error. For most legality checking
    --  purposes you should use Is_Static_Expression. For those legality checks
-   --  where the expression N should not raise constaint error use this
+   --  where the expression N should not raise constraint error use this
    --  routine. This routine is *not* to be used in contexts where the test is
    --  for compile time evaluation purposes. Use Compile_Time_Known_Value
    --  instead (see section on "Compile-Time Known Values" above).
@@ -328,7 +328,7 @@ package Sem_Eval is
       Int_Real  : Boolean := False) return Boolean;
    --  Returns True if it can be guaranteed at compile time that expression is
    --  known to be in range of the subtype Typ. If the values of N or of either
-   --  bouds of Type are unknown at compile time, False will always be
+   --  bounds of Type are unknown at compile time, False will always be
    --  returned. A result of False does not mean that the expression is out of
    --  range, merely that it cannot be determined at compile time that it is in
    --  range. If Typ is a floating point type or Int_Real is set, any integer
@@ -339,8 +339,8 @@ package Sem_Eval is
    --  is True then any fixed-point value is treated as though it was discrete
    --  value (i.e. the underlying integer value is used). In this case we use
    --  the corresponding integer value, both for the bounds of Typ, and for the
-   --  value of the expression N. If Typ is a discret type and Fixed_Int as
-   --  well as Int_Real are false, intere values are used throughout.
+   --  value of the expression N. If Typ is a discrete type and Fixed_Int as
+   --  well as Int_Real are false, integer values are used throughout.
 
    function Is_Out_Of_Range
      (N         : Node_Id;
diff --git a/gcc/ada/sem_intr.adb b/gcc/ada/sem_intr.adb
index 42d78ba..9d73197 100644
--- a/gcc/ada/sem_intr.adb
+++ b/gcc/ada/sem_intr.adb
@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 B o d y                                  --
 --                                                                          --
---          Copyright (C) 1992-2007, Free Software Foundation, Inc.         --
+--          Copyright (C) 1992-2008, Free Software Foundation, Inc.         --
 --                                                                          --
 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
 -- terms of the  GNU General Public License as published  by the Free Soft- --
@@ -132,7 +132,7 @@ package body Sem_Intr is
          end if;
 
       --  Check for the case of freeing a non-null object which will raise
-      --  Constaint_Error. Issue warning here, do the expansion in Exp_Intr.
+      --  Constraint_Error. Issue warning here, do the expansion in Exp_Intr.
 
       elsif Cnam = Name_Free
         and then Can_Never_Be_Null (Etype (Arg1))
@@ -158,7 +158,7 @@ package body Sem_Intr is
       T2  : Entity_Id;
 
    begin
-      --  Aritnmetic operators
+      --  Arithmetic operators
 
       if Nam = Name_Op_Add
            or else
@@ -304,7 +304,7 @@ package body Sem_Intr is
          Errint ("unrecognized intrinsic subprogram", E, N);
 
       --  We always allow intrinsic specifications in language defined units
-      --  and in expanded code. We assume that the GNAT implemetors know what
+      --  and in expanded code. We assume that the GNAT implementors know what
       --  they are doing, and do not write or generate junk use of intrinsic!
 
       elsif not Comes_From_Source (E)
diff --git a/gcc/ada/sem_mech.adb b/gcc/ada/sem_mech.adb
index 62f9af8..177a39c 100644
--- a/gcc/ada/sem_mech.adb
+++ b/gcc/ada/sem_mech.adb
@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 B o d y                                  --
 --                                                                          --
---          Copyright (C) 1996-2007, Free Software Foundation, Inc.         --
+--          Copyright (C) 1996-2008, Free Software Foundation, Inc.         --
 --                                                                          --
 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
 -- terms of the  GNU General Public License as published  by the Free Soft- --
@@ -183,7 +183,7 @@ package body Sem_Mech is
    is
    begin
       --  Right now we only do some checks for functions returning arguments
-      --  by desctiptor. Probably mode checks need to be added here ???
+      --  by descriptor. Probably mode checks need to be added here ???
 
       if Mech in Descriptor_Codes and then not Is_Formal (Ent) then
          if Is_Record_Type (Etype (Ent)) then
@@ -207,7 +207,7 @@ package body Sem_Mech is
 
    begin
       --  Skip this processing if inside a generic template. Not only is
-      --  it uneccessary (since neither extra formals nor mechanisms are
+      --  it unnecessary (since neither extra formals nor mechanisms are
       --  relevant for the template itself), but at least at the moment,
       --  procedures get frozen early inside a template so attempting to
       --  look at the formal types does not work too well if they are
@@ -241,7 +241,7 @@ package body Sem_Mech is
                ---------
 
                --  Note: all RM defined conventions are treated the same
-               --  from the point of view of parameter passing mechanims
+               --  from the point of view of parameter passing mechanism
 
                when Convention_Ada       |
                     Convention_Intrinsic |
diff --git a/gcc/ada/sem_mech.ads b/gcc/ada/sem_mech.ads
index 27edf22..1673a67 100644
--- a/gcc/ada/sem_mech.ads
+++ b/gcc/ada/sem_mech.ads
@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 S p e c                                  --
 --                                                                          --
---          Copyright (C) 1996-2007, Free Software Foundation, Inc.         --
+--          Copyright (C) 1996-2008, Free Software Foundation, Inc.         --
 --                                                                          --
 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
 -- terms of the  GNU General Public License as published  by the Free Soft- --
@@ -144,7 +144,7 @@ package Sem_Mech is
    --  this call is to set mechanism values for formals and for the
    --  function return if they have not already been explicitly set by
    --  a use of an extended Import or Export pragma. The idea is to set
-   --  mechanism values whereever the semantics is dictated by either
+   --  mechanism values wherever the semantics is dictated by either
    --  requirements or implementation advice in the RM, and to leave
    --  the mechanism set to Default if there is no requirement, so that
    --  the back-end is free to choose the most efficient method.
diff --git a/gcc/ada/sem_prag.adb b/gcc/ada/sem_prag.adb
index 4dba98d..b98e004 100644
--- a/gcc/ada/sem_prag.adb
+++ b/gcc/ada/sem_prag.adb
@@ -564,7 +564,7 @@ package body Sem_Prag is
       --  Decls where Decls is the list of declarative items.
 
       function Is_Configuration_Pragma return Boolean;
-      --  Deterermines if the placement of the current pragma is appropriate
+      --  Determines if the placement of the current pragma is appropriate
       --  for a configuration pragma.
 
       function Is_In_Context_Clause return Boolean;
@@ -587,7 +587,7 @@ package body Sem_Prag is
       --  Common processing for Compile_Time_Error and Compile_Time_Warning
 
       procedure Process_Convention (C : out Convention_Id; E : out Entity_Id);
-      --  Common procesing for Convention, Interface, Import and Export.
+      --  Common processing for Convention, Interface, Import and Export.
       --  Checks first two arguments of pragma, and sets the appropriate
       --  convention value in the specified entity or entities. On return
       --  C is the convention, E is the referenced entity.
@@ -606,7 +606,7 @@ package body Sem_Prag is
         (Arg_Internal : Node_Id;
          Arg_External : Node_Id;
          Arg_Size     : Node_Id);
-      --  Common processing for the pragmass Import/Export_Object.
+      --  Common processing for the pragmas Import/Export_Object.
       --  The three arguments correspond to the three named parameters
       --  of the pragmas. An argument is empty if the corresponding
       --  parameter is not present in the pragma.
@@ -629,7 +629,7 @@ package body Sem_Prag is
          Arg_First_Optional_Parameter : Node_Id := Empty);
       --  Common processing for all extended Import and Export pragmas
       --  applying to subprograms. The caller omits any arguments that do
-      --  bnot apply to the pragma in question (for example, Arg_Result_Type
+      --  not apply to the pragma in question (for example, Arg_Result_Type
       --  can be non-Empty only in the Import_Function and Export_Function
       --  cases). The argument names correspond to the allowed pragma
       --  association identifiers.
@@ -1486,7 +1486,7 @@ package body Sem_Prag is
       --------------------------------------
 
       --  A configuration pragma must appear in the context clause of a
-      --  compilation unit, and only other pragmas may preceed it. Note that
+      --  compilation unit, and only other pragmas may precede it. Note that
       --  the test also allows use in a configuration pragma file.
 
       procedure Check_Valid_Configuration_Pragma is
@@ -2129,7 +2129,7 @@ package body Sem_Prag is
 
                --  An interesting improvement here. If an object of type X
                --  is declared atomic, and the type X is not atomic, that's
-               --  a pity, since it may not have appropraite alignment etc.
+               --  a pity, since it may not have appropriate alignment etc.
                --  We can rescue this in the special case where the object
                --  and type are in the same unit by just setting the type
                --  as atomic, so that the back end will process it as atomic.
@@ -2831,7 +2831,7 @@ package body Sem_Prag is
                end if;
 
                --  We have a match if the corresponding argument is of an
-               --  anonymous access type, and its designicated type matches
+               --  anonymous access type, and its designated type matches
                --  the type of the prefix of the access attribute
 
                return Ekind (Ftyp) = E_Anonymous_Access_Type
@@ -3040,7 +3040,7 @@ package body Sem_Prag is
          then
             null;
 
-         --  In all other cases, set entit as exported
+         --  In all other cases, set entity as exported
 
          else
             Set_Exported (Ent, Arg_Internal);
@@ -3535,7 +3535,7 @@ package body Sem_Prag is
 
          function Inlining_Not_Possible (Subp : Entity_Id) return Boolean;
          --  Returns True if it can be determined at this stage that inlining
-         --  is not possible, for examle if the body is available and contains
+         --  is not possible, for example if the body is available and contains
          --  exception handlers, we prevent inlining, since otherwise we can
          --  get undefined symbols at link time. This function also emits a
          --  warning if front-end inlining is enabled and the pragma appears
@@ -4808,7 +4808,7 @@ package body Sem_Prag is
       end;
 
       --  An enumeration type defines the pragmas that are supported by the
-      --  implementation. Get_Pragma_Id (in package Prag) transorms a name
+      --  implementation. Get_Pragma_Id (in package Prag) transforms a name
       --  into the corresponding enumeration value for the following case.
 
       case Prag_Id is
@@ -6249,7 +6249,7 @@ package body Sem_Prag is
                      --  compilation unit. If the pragma appears in some unit
                      --  in the context, there might still be a need for an
                      --  Elaborate_All_Desirable from the current compilation
-                     --  to the the named unit, so we keep the check enabled.
+                     --  to the named unit, so we keep the check enabled.
 
                      if In_Extended_Main_Source_Unit (N) then
                         Set_Suppress_Elaboration_Warnings
@@ -6271,7 +6271,7 @@ package body Sem_Prag is
             end loop Outer;
 
             --  Give a warning if operating in static mode with -gnatwl
-            --  (elaboration warnings eanbled) switch set.
+            --  (elaboration warnings enabled) switch set.
 
             if Elab_Warnings and not Dynamic_Elaboration_Checks then
                Error_Msg_N
@@ -9001,7 +9001,7 @@ package body Sem_Prag is
 
          --  pragma No_Run_Time
 
-         --  Note: this pragma is retained for backwards compatibiltiy.
+         --  Note: this pragma is retained for backwards compatibility.
          --  See body of Rtsfind for full details on its handling.
 
          when Pragma_No_Run_Time =>
@@ -10567,7 +10567,7 @@ package body Sem_Prag is
                end if;
             end Check_OK_Stream_Convert_Function;
 
-         --  Start of procecessing for Stream_Convert
+         --  Start of processing for Stream_Convert
 
          begin
             GNAT_Pragma;
@@ -11962,7 +11962,7 @@ package body Sem_Prag is
          return True;
       end Add_Config_Static_String;
 
-   --  Start of prorcessing for Is_Config_Static_String
+   --  Start of processing for Is_Config_Static_String
 
    begin
 
@@ -11977,8 +11977,8 @@ package body Sem_Prag is
    --  This function makes use of the following static table which indicates
    --  whether a given pragma is significant. A value of -1 in this table
    --  indicates that the reference is significant. A value of zero indicates
-   --  than appearence as any argument is insignificant, a positive value
-   --  indicates that appearence in that parameter position is significant.
+   --  than appearance as any argument is insignificant, a positive value
+   --  indicates that appearance in that parameter position is significant.
 
    --  A value of 99 flags a special case requiring a special check (this is
    --  used for cases not covered by this standard encoding, e.g. pragma Check
diff --git a/gcc/ada/sem_prag.ads b/gcc/ada/sem_prag.ads
index 7218ff6..1bb5115 100644
--- a/gcc/ada/sem_prag.ads
+++ b/gcc/ada/sem_prag.ads
@@ -75,7 +75,7 @@ package Sem_Prag is
    --  occurrence is a reference for the purposes of giving warnings about
    --  unreferenced variables. This function returns True if the reference is
    --  not a reference from this point of view (e.g. the occurrence in a pragma
-   --  Pack) and False if it is a real reference (e.g. the occcurrence in a
+   --  Pack) and False if it is a real reference (e.g. the occurrence in a
    --  pragma Export);
 
    function Is_Pragma_String_Literal (Par : Node_Id) return Boolean;
diff --git a/gcc/ada/sem_res.adb b/gcc/ada/sem_res.adb
index b9ef016..cfa1a8c 100644
--- a/gcc/ada/sem_res.adb
+++ b/gcc/ada/sem_res.adb
@@ -828,7 +828,7 @@ package body Sem_Res is
       function Uses_SS (T : Entity_Id) return Boolean;
       --  Check whether the creation of an object of the type will involve
       --  use of the secondary stack. If T is a record type, this is true
-      --  if the expression for some component uses the secondary stack, eg.
+      --  if the expression for some component uses the secondary stack, e.g.
       --  through a call to a function that returns an unconstrained value.
       --  False if T is controlled, because cleanups occur elsewhere.
 
@@ -985,7 +985,7 @@ package body Sem_Res is
                         or else Is_Overloaded (N)))
 
       --  Rewrite as call if it is an explicit deference of an expression of
-      --  a subprogram access type, and the suprogram type is not that of a
+      --  a subprogram access type, and the subprogram type is not that of a
       --  procedure or entry.
 
       or else
@@ -2387,7 +2387,7 @@ package body Sem_Res is
             end if;
          end if;
 
-         --  A user-defined operator is tranformed into a function call at
+         --  A user-defined operator is transformed into a function call at
          --  this point, so that further processing knows that operators are
          --  really operators (i.e. are predefined operators). User-defined
          --  operators that are intrinsic are just renamings of the predefined
@@ -2869,7 +2869,7 @@ package body Sem_Res is
                Set_Parent (Actval, N);
 
                --  Resolve aggregates with their base type, to avoid scope
-               --  anomalies: the subtype was first built in the suprogram
+               --  anomalies: the subtype was first built in the subprogram
                --  declaration, and the current call may be nested.
 
                if Nkind (Actval) = N_Aggregate
@@ -3585,7 +3585,7 @@ package body Sem_Res is
       --  1) Analyze Top_Record
       --  2) Analyze Level_1_Coextension
       --  3) Analyze Level_2_Coextension
-      --  4) Resolve Level_2_Coextnesion. The allocator is marked as a
+      --  4) Resolve Level_2_Coextension. The allocator is marked as a
       --       coextension.
       --  5) Expand Level_2_Coextension. A temporary variable Temp_1 is
       --       generated to capture the allocated object. Temp_1 is attached
@@ -3675,7 +3675,7 @@ package body Sem_Res is
 
          function Process_Allocator (Nod : Node_Id) return Traverse_Result;
          --  Recognize an allocator or a rewritten allocator node and add it
-         --  allong with its nested coextensions to the list of Root.
+         --  along with its nested coextensions to the list of Root.
 
          ---------------
          -- Copy_List --
@@ -3833,7 +3833,7 @@ package body Sem_Res is
          --  A special accessibility check is needed for allocators that
          --  constrain access discriminants. The level of the type of the
          --  expression used to constrain an access discriminant cannot be
-         --  deeper than the type of the allocator (in constrast to access
+         --  deeper than the type of the allocator (in contrast to access
          --  parameters, where the level of the actual can be arbitrary).
 
          --  We can't use Valid_Conversion to perform this check because
@@ -3912,7 +3912,7 @@ package body Sem_Res is
          --  A special accessibility check is needed for allocators that
          --  constrain access discriminants. The level of the type of the
          --  expression used to constrain an access discriminant cannot be
-         --  deeper than the type of the allocator (in constrast to access
+         --  deeper than the type of the allocator (in contrast to access
          --  parameters, where the level of the actual can be arbitrary).
          --  We can't use Valid_Conversion to perform this check because
          --  in general the type of the allocator is unrelated to the type
@@ -6249,7 +6249,7 @@ package body Sem_Res is
       end if;
 
       --  If name was overloaded, set component type correctly now
-      --  If a misplaced call to an entry family (which has no index typs)
+      --  If a misplaced call to an entry family (which has no index types)
       --  return. Error will be diagnosed from calling context.
 
       if Is_Array_Type (Array_Type) then
@@ -6832,7 +6832,7 @@ package body Sem_Res is
       B_Typ : constant Entity_Id := Base_Type (Typ);
 
    begin
-      --  Catch attempts to do fixed-point exponentation with universal
+      --  Catch attempts to do fixed-point exponentiation with universal
       --  operands, which is a case where the illegality is not caught during
       --  normal operator analysis.
 
@@ -6939,7 +6939,7 @@ package body Sem_Res is
          B_Typ := Base_Type (Typ);
       end if;
 
-      --  Straigtforward case of incorrect arguments
+      --  Straightforward case of incorrect arguments
 
       if not Valid_Boolean_Arg (Typ) then
          Error_Msg_N ("invalid operand type for operator&", N);
@@ -7735,8 +7735,8 @@ package body Sem_Res is
       elsif R_Typ = Any_Character then
          return;
 
-      --  If the type is bit-packed, then we always tranform the string literal
-      --  into a full fledged aggregate.
+      --  If the type is bit-packed, then we always transform the string
+      --  literal into a full fledged aggregate.
 
       elsif Is_Bit_Packed_Array (Typ) then
          null;
@@ -8252,7 +8252,7 @@ package body Sem_Res is
             Rorig := Original_Node (Right_Opnd (Norig));
 
             --  We are looking for cases where the right operand is not
-            --  parenthesized, and is a bianry operator, multiply, divide, or
+            --  parenthesized, and is a binary operator, multiply, divide, or
             --  mod. These are the cases where the grouping can affect results.
 
             if Paren_Count (Rorig) = 0
@@ -9120,7 +9120,7 @@ package body Sem_Res is
          --  Also no need to check when in an instance or inlined body, because
          --  the legality has been established when the template was analyzed.
          --  Furthermore, numeric conversions may occur where only a private
-         --  view of the operand type is visible at the instanciation point.
+         --  view of the operand type is visible at the instantiation point.
          --  This results in a spurious error if we check that the operand type
          --  is a numeric type.
 
@@ -9223,7 +9223,7 @@ package body Sem_Res is
                --  The case of a reference to an access discriminant from
                --  within a limited type declaration (which will appear as
                --  a discriminal) is always illegal because the level of the
-               --  discriminant is considered to be deeper than any (namable)
+               --  discriminant is considered to be deeper than any (nameable)
                --  access type.
 
                if Is_Entity_Name (Operand)
@@ -9335,7 +9335,7 @@ package body Sem_Res is
                --  The case of a reference to an access discriminant from
                --  within a limited type declaration (which will appear as
                --  a discriminal) is always illegal because the level of the
-               --  discriminant is considered to be deeper than any (namable)
+               --  discriminant is considered to be deeper than any (nameable)
                --  access type.
 
                if Is_Entity_Name (Operand)
diff --git a/gcc/ada/sem_res.ads b/gcc/ada/sem_res.ads
index d870472..70b534b 100644
--- a/gcc/ada/sem_res.ads
+++ b/gcc/ada/sem_res.ads
@@ -103,7 +103,7 @@ package Sem_Res is
    --  Several forms of names can denote calls to entities without para-
    --  meters. The context determines whether the name denotes the entity
    --  or a call to it. When it is a call, the node must be rebuilt
-   --  accordingly and renalyzed to obtain possible interpretations.
+   --  accordingly and reanalyzed to obtain possible interpretations.
    --
    --  The name may be that of an overloadable construct, or it can be an
    --  explicit dereference of a prefix that denotes an access to subprogram.
diff --git a/gcc/ada/sem_type.adb b/gcc/ada/sem_type.adb
index 1c40158..b118c37 100644
--- a/gcc/ada/sem_type.adb
+++ b/gcc/ada/sem_type.adb
@@ -932,7 +932,7 @@ package body Sem_Type is
 
       --  The context can be a remote access type, and the expression the
       --  corresponding source type declared in a categorized package, or
-      --  viceversa.
+      --  vice versa.
 
       elsif Is_Record_Type (T1)
         and then (Is_Remote_Call_Interface (T1)
diff --git a/gcc/ada/sem_util.adb b/gcc/ada/sem_util.adb
index 54925d7..9ab77bb 100644
--- a/gcc/ada/sem_util.adb
+++ b/gcc/ada/sem_util.adb
@@ -2731,7 +2731,7 @@ package body Sem_Util is
 
          and then Length_Of_Name (Chars (C)) /= 1
 
-         --  Don't warn for non-source eneities
+         --  Don't warn for non-source entities
 
          and then Comes_From_Source (C)
          and then Comes_From_Source (Def_Id)
@@ -2999,7 +2999,7 @@ package body Sem_Util is
         (Prim_Params  : List_Id;
          Iface_Params : List_Id) return Boolean;
       --  Determine whether a subprogram's parameter profile Prim_Params
-      --  matches that of a potentially overriden interface subprogram
+      --  matches that of a potentially overridden interface subprogram
       --  Iface_Params. Also determine if the type of first parameter of
       --  Iface_Params is an implemented interface.
 
@@ -3088,7 +3088,7 @@ package body Sem_Util is
 
          Prim_Param  := First (Prim_Params);
 
-         --  The first parameter of the potentially overriden subprogram
+         --  The first parameter of the potentially overridden subprogram
          --  must be an interface implemented by Prim.
 
          if not Is_Interface (Iface_Typ)
@@ -3173,7 +3173,7 @@ package body Sem_Util is
          return Empty;
       end if;
 
-      --  Traverse the homonym chain, looking at a potentially overriden
+      --  Traverse the homonym chain, looking at a potentially overridden
       --  subprogram that belongs to an implemented interface.
 
       Hom := First_Hom;
@@ -4472,7 +4472,7 @@ package body Sem_Util is
                   Set_Result (Unknown);
 
                   --  Now check size of Expr object. Any size that is not an
-                  --  even multiple of Maxiumum_Alignment is also worrisome
+                  --  even multiple of Maximum_Alignment is also worrisome
                   --  since it may cause the alignment of the object to be less
                   --  than the alignment of the type.
 
@@ -4942,7 +4942,7 @@ package body Sem_Util is
             then
                --  Get default expression if any. If there is no declaration
                --  node, it means we have an internal entity. The parent and
-               --  tag fields are examples of such entitires. For these cases,
+               --  tag fields are examples of such entities. For these cases,
                --  we just test the type of the entity.
 
                if Present (Declaration_Node (Ent)) then
@@ -5341,9 +5341,9 @@ package body Sem_Util is
       return False;
    end In_Instance_Visible_Part;
 
-   ----------------------
-   -- In_Packiage_Body --
-   ----------------------
+   ---------------------
+   -- In_Package_Body --
+   ---------------------
 
    function In_Package_Body return Boolean is
       S : Entity_Id;
@@ -6616,7 +6616,7 @@ package body Sem_Util is
       Indx : Node_Id;
 
    begin
-      --  For private type, test corrresponding full type
+      --  For private type, test corresponding full type
 
       if Is_Private_Type (T) then
          return Is_Potentially_Persistent_Type (Full_View (T));
@@ -7482,7 +7482,7 @@ package body Sem_Util is
          when N_Type_Conversion =>
             return Known_To_Be_Assigned (P);
 
-         --  All other references are definitely not knwon to be modifications
+         --  All other references are definitely not known to be modifications
 
          when others =>
             return False;
@@ -7611,7 +7611,7 @@ package body Sem_Util is
          when N_Type_Conversion =>
             return May_Be_Lvalue (P);
 
-         --  Test for appearence in object renaming declaration
+         --  Test for appearance in object renaming declaration
 
          when N_Object_Renaming_Declaration =>
             return True;
@@ -8819,7 +8819,7 @@ package body Sem_Util is
       function Clear_Analyzed (N : Node_Id) return Traverse_Result;
       --  Function used to reset Analyzed flags in tree. Note that we do
       --  not reset Analyzed flags in entities, since there is no need to
-      --  renalalyze entities, and indeed, it is wrong to do so, since it
+      --  reanalyze entities, and indeed, it is wrong to do so, since it
       --  can result in generating auxiliary stuff more than once.
 
       --------------------
@@ -9707,7 +9707,7 @@ package body Sem_Util is
 
          Btyp := Root_Type (Btyp);
 
-         --  The accessibility level of anonymous acccess types associated with
+         --  The accessibility level of anonymous access types associated with
          --  discriminants is that of the current instance of the type, and
          --  that's deeper than the type itself (AARM 3.10.2 (12.3.21)).
 
diff --git a/gcc/ada/sem_util.ads b/gcc/ada/sem_util.ads
index c47af51..519f574 100644
--- a/gcc/ada/sem_util.ads
+++ b/gcc/ada/sem_util.ads
@@ -438,7 +438,7 @@ package Sem_Util is
       Pos : Uint;
       Loc : Source_Ptr) return Entity_Id;
    --  This function obtains the E_Enumeration_Literal entity for the
-   --  specified value from the enumneration type or subtype T. The
+   --  specified value from the enumeration type or subtype T. The
    --  second argument is the Pos value, which is assumed to be in range.
    --  The third argument supplies a source location for constructed
    --  nodes returned by this function.
@@ -547,7 +547,7 @@ package Sem_Util is
    --  initialize procedure, which makes the type not preelaborable.
 
    function Has_Preelaborable_Initialization (E : Entity_Id) return Boolean;
-   --  Return True iff type E has preelaborable initialiation as defined in
+   --  Return True iff type E has preelaborable initialisation as defined in
    --  Ada 2005 (see AI-161 for details of the definition of this attribute).
 
    function Has_Private_Component (Type_Id : Entity_Id) return Boolean;
@@ -566,8 +566,8 @@ package Sem_Util is
    --  Returns True if Typ is a composite type (array or record) which is
    --  either itself a tagged type, or has a component (recursively) which is
    --  a tagged type. Returns False for non-composite type, or if no tagged
-   --  component is present. to check if '=' has to be expanded into a bunch
-   --  component comparisons.
+   --  component is present. This function is used to check if '=' has to be
+   --  expanded into a bunch component comparisons.
 
    function In_Instance return Boolean;
    --  Returns True if the current scope is within a generic instance
@@ -690,7 +690,7 @@ package Sem_Util is
    --  i.e. a library unit or an entity declared in a library package.
 
    function Is_Local_Variable_Reference (Expr : Node_Id) return Boolean;
-   --  Determines whether Expr is a refeference to a variable or IN OUT
+   --  Determines whether Expr is a reference to a variable or IN OUT
    --  mode parameter of the current enclosing subprogram.
    --  Why are OUT parameters not considered here ???
 
@@ -747,7 +747,7 @@ package Sem_Util is
    function Is_Selector_Name (N : Node_Id) return Boolean;
    --  Given an N_Identifier node N, determines if it is a Selector_Name.
    --  As described in Sinfo, Selector_Names are special because they
-   --  represent use of the N_Identifier node for a true identifer, when
+   --  represent use of the N_Identifier node for a true identifier, when
    --  normally such nodes represent a direct name.
 
    function Is_Statement (N : Node_Id) return Boolean;
@@ -795,14 +795,15 @@ package Sem_Util is
    --  entities in the current scope and in any parent scopes if the current
    --  scope is a block or a package (and that recursion continues to the top
    --  scope that is not a block or a package). This is used when the
-   --  sequential flow-of-control assumption is violated (occurence of a label,
-   --  head of a loop, or start of an exception handler). The effect of the
-   --  call is to clear the Constant_Value field (but we do not need to clear
-   --  the Is_True_Constant flag, since that only gets reset if there really is
-   --  an assignment somewhere in the entity scope). This procedure also calls
-   --  Kill_All_Checks, since this is a special case of needing to forget saved
-   --  values. This procedure also clears Is_Known_Non_Null flags in variables,
-   --  constants or parameters since these are also not known to be valid.
+   --  sequential flow-of-control assumption is violated (occurrence of a
+   --  label, head of a loop, or start of an exception handler). The effect of
+   --  the call is to clear the Constant_Value field (but we do not need to
+   --  clear the Is_True_Constant flag, since that only gets reset if there
+   --  really is an assignment somewhere in the entity scope). This procedure
+   --  also calls Kill_All_Checks, since this is a special case of needing to
+   --  forget saved values. This procedure also clears Is_Known_Non_Null flags
+   --  in variables, constants or parameters since these are also not known to
+   --  be valid.
    --
    --  The Last_Assignment_Only flag is set True to clear only Last_Assignment
    --  fields and leave other fields unchanged. This is used when we encounter
@@ -911,7 +912,7 @@ package Sem_Util is
    --  next entry of the Parameter_Associations list. The argument is an
    --  actual previously returned by a call to First_Actual or Next_Actual.
    --  Note that the result produced is always an expression, not a parameter
-   --  assciation node, even if named notation was used.
+   --  association node, even if named notation was used.
 
    procedure Normalize_Actuals
      (N       : Node_Id;
@@ -919,7 +920,7 @@ package Sem_Util is
       Report  : Boolean;
       Success : out Boolean);
    --  Reorders lists of actuals according to names of formals, value returned
-   --  in Success indicates sucess of reordering. For more details, see body.
+   --  in Success indicates success of reordering. For more details, see body.
    --  Errors are reported only if Report is set to True.
 
    procedure Note_Possible_Modification (N : Node_Id; Sure : Boolean);
@@ -1019,7 +1020,7 @@ package Sem_Util is
 
    function Same_Object (Node1, Node2 : Node_Id) return Boolean;
    --  Determine if Node1 and Node2 are known to designate the same object.
-   --  This is a semantic test and both nodesmust be fully analyzed. A result
+   --  This is a semantic test and both nodes must be fully analyzed. A result
    --  of True is decisively correct. A result of False does not necessarily
    --  mean that different objects are designated, just that this could not
    --  be reliably determined at compile time.
diff --git a/gcc/ada/sem_warn.adb b/gcc/ada/sem_warn.adb
index b9b81ab..5fe9743 100644
--- a/gcc/ada/sem_warn.adb
+++ b/gcc/ada/sem_warn.adb
@@ -62,10 +62,10 @@ package body Sem_Warn is
 
    --  The following table collects potential warnings for IN OUT parameters
    --  that are referenced but not modified. These warnings are processed when
-   --  the front end calls the procedure Output_Non_Modifed_In_Out_Warnings.
+   --  the front end calls the procedure Output_Non_Modified_In_Out_Warnings.
    --  The reason that we defer output of these messages is that we want to
    --  detect the case where the relevant procedure is used as a generic actual
-   --  in an instantation, since we suppress the warnings in this case. The
+   --  in an instantiation, since we suppress the warnings in this case. The
    --  flag Used_As_Generic_Actual will be set in this case, but only at the
    --  point of usage. Similarly, we suppress the message if the address of the
    --  procedure is taken, where the flag Address_Taken may be set later.
@@ -98,7 +98,7 @@ package body Sem_Warn is
 
    --  Instead the following is preferred
 
-   --     if somme-other-predicate-on-E
+   --     if some-other-predicate-on-E
    --       and then Has_Warnings_Off (E)
 
    --  This way if some-other-predicate is false, we avoid a false indication
@@ -611,7 +611,7 @@ package body Sem_Warn is
         (E                : Entity_Id;
          Accept_Statement : Node_Id) return Entity_Id;
       --  For an entry formal entity from an entry declaration, find the
-      --  corrsesponding body formal from the given accept statement.
+      --  corresponding body formal from the given accept statement.
 
       function Missing_Subunits return Boolean;
       --  We suppress warnings when there are missing subunits, because this
@@ -1067,7 +1067,7 @@ package body Sem_Warn is
                      --  actual, or its address/access is taken. In these two
                      --  cases, we suppress the warning because the context may
                      --  force use of IN OUT, even if in this particular case
-                     --  the formal is not modifed.
+                     --  the formal is not modified.
 
                      else
                         In_Out_Warnings.Append (E1);
@@ -1174,7 +1174,7 @@ package body Sem_Warn is
                         --  If the selected component comes from expansion, all
                         --  we know is that the entity is not fully initialized
                         --  at the point of the reference. Locate a random
-                        --  unintialized component to get a better message.
+                        --  uninitialized component to get a better message.
 
                      elsif Nkind (Parent (UR)) = N_Selected_Component then
                         Error_Msg_Node_2 := Selector_Name (Parent (UR));
@@ -1429,7 +1429,7 @@ package body Sem_Warn is
          end if;
 
          --  Recurse into nested package or block. Do not recurse into a
-         --  formal package, because the correponding body is not analyzed.
+         --  formal package, because the corresponding body is not analyzed.
 
          <<Continue>>
             if ((Ekind (E1) = E_Package or else Ekind (E1) = E_Generic_Package)
@@ -1539,7 +1539,7 @@ package body Sem_Warn is
 
       case Nkind (N) is
 
-         --  For identifier or exanded name, examine the entity involved
+         --  For identifier or expanded name, examine the entity involved
 
          when N_Identifier | N_Expanded_Name =>
             declare
@@ -1636,7 +1636,7 @@ package body Sem_Warn is
 
                            function Process
                              (N : Node_Id) return Traverse_Result;
-                           --  Process function for instantation of Traverse
+                           --  Process function for instantiation of Traverse
                            --  below. Checks if N contains reference to other
                            --  than a dereference.
 
@@ -1882,7 +1882,7 @@ package body Sem_Warn is
          --  The only reference to a context unit may be in a renaming
          --  declaration. If this renaming declares a visible entity, do
          --  not warn that the context clause could be moved to the body,
-         --  because the renaming may be intented to re-export the unit.
+         --  because the renaming may be intended to re-export the unit.
 
          -------------------------
          -- Check_Inner_Package --
@@ -2514,7 +2514,7 @@ package body Sem_Warn is
          end if;
       end No_Warn_On_In_Out;
 
-   --  Start of processing for Output_Non_Modifed_In_Out_Warnings
+   --  Start of processing for Output_Non_Modified_In_Out_Warnings
 
    begin
       --  Loop through entities for which a warning may be needed
@@ -3292,7 +3292,7 @@ package body Sem_Warn is
       --  to this lower bound. If not, False is returned, and Low_Bound is
       --  undefined on return.
       --
-      --  For now, we limite this to standard string types, so any other
+      --  For now, we limit this to standard string types, so any other
       --  unconstrained types return False. We may change our minds on this
       --  later on, but strings seem the most important case.
 
@@ -3369,7 +3369,7 @@ package body Sem_Warn is
       begin
          --  Nothing to do if subscript does not come from source (we don't
          --  want to give garbage warnings on compiler expanded code, e.g. the
-         --  loops generated for slice assignments. Sucb junk warnings would
+         --  loops generated for slice assignments. Such junk warnings would
          --  be placed on source constructs with no subscript in sight!)
 
          if not Comes_From_Source (Original_Node (X)) then
@@ -3411,7 +3411,7 @@ package body Sem_Warn is
                   --  Tref (Sref) is used to scan the subscript
 
                   Pctr : Natural;
-                  --  Paretheses counter when scanning subscript
+                  --  Parentheses counter when scanning subscript
 
                begin
                   --  Tref (Sref) points to start of subscript
@@ -3602,7 +3602,7 @@ package body Sem_Warn is
                Next_Formal (Form2);
             end loop;
 
-            --  Here all conditionas are met, record possible unset reference
+            --  Here all conditions are met, record possible unset reference
 
             Set_Unset_Reference (Form, Return_Node);
          end if;
@@ -3631,7 +3631,7 @@ package body Sem_Warn is
 
                --  Case of variable that is assigned but not read. We suppress
                --  the message if the variable is volatile, has an address
-               --  clause, is aliasied, or is a renaming, or is imported.
+               --  clause, is aliased, or is a renaming, or is imported.
 
                if Referenced_As_LHS_Check_Spec (E)
                  and then No (Address_Clause (E))
@@ -3879,7 +3879,7 @@ package body Sem_Warn is
                   --  If we are not at the top level, we regard an inner
                   --  exception handler as a decisive indicator that we should
                   --  not generate the warning, since the variable in question
-                  --  may be acceessed after an exception in the outer block.
+                  --  may be accessed after an exception in the outer block.
 
                   if Nkind (Parent (P)) /= N_Subprogram_Body
                     and then Nkind (Parent (P)) /= N_Package_Body
diff --git a/gcc/ada/sem_warn.ads b/gcc/ada/sem_warn.ads
index d78bba9..e3daef4 100644
--- a/gcc/ada/sem_warn.ads
+++ b/gcc/ada/sem_warn.ads
@@ -169,7 +169,7 @@ package Sem_Warn is
    --  should be given for a possible infinite loop, and if so issues it.
 
    procedure Warn_On_Known_Condition (C : Node_Id);
-   --  C is a node for a boolean expression resluting from a relational
+   --  C is a node for a boolean expression resulting from a relational
    --  or membership operation. If the expression has a compile time known
    --  value, then a warning is output if all the following conditions hold:
    --


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