diff --git a/gcc/ada/checks.adb b/gcc/ada/checks.adb
--- a/gcc/ada/checks.adb
+++ b/gcc/ada/checks.adb
@@ -10400,7 +10400,7 @@ package body Checks is
       Exptyp      : Entity_Id;
       Cond        : Node_Id := Empty;
       Do_Access   : Boolean := False;
-      Wnode       : Node_Id  := Warn_Node;
+      Wnode       : Node_Id := Warn_Node;
       Ret_Result  : Check_Result := (Empty, Empty);
       Num_Checks  : Natural := 0;
 


diff --git a/gcc/ada/exp_ch4.adb b/gcc/ada/exp_ch4.adb
--- a/gcc/ada/exp_ch4.adb
+++ b/gcc/ada/exp_ch4.adb
@@ -11546,7 +11546,7 @@ package body Exp_Ch4 is
             then
                Par := Parent (Par);
 
-               --  Any other case is not what we are looking for
+            --  Any other case is not what we are looking for
 
             else
                return False;
@@ -11582,7 +11582,7 @@ package body Exp_Ch4 is
 
       --  Local variables
 
-      Pref     : constant Node_Id := Prefix (N);
+      Pref : constant Node_Id := Prefix (N);
 
    --  Start of processing for Expand_N_Slice
 
@@ -11608,7 +11608,7 @@ package body Exp_Ch4 is
       --       situation correctly in the assignment statement expansion).
 
       --    2. Prefix of indexed component (the slide is optimized away in this
-      --       case, see the start of Expand_N_Slice.)
+      --       case, see the start of Expand_N_Indexed_Component.)
 
       --    3. Object renaming declaration, since we want the name of the
       --       slice, not the value.


diff --git a/gcc/ada/sem_res.adb b/gcc/ada/sem_res.adb
--- a/gcc/ada/sem_res.adb
+++ b/gcc/ada/sem_res.adb
@@ -9253,7 +9253,7 @@ package body Sem_Res is
    -------------------------------
 
    procedure Resolve_Indexed_Component (N : Node_Id; Typ : Entity_Id) is
-      Name       : constant Node_Id := Prefix  (N);
+      Name       : constant Node_Id := Prefix (N);
       Expr       : Node_Id;
       Array_Type : Entity_Id := Empty; -- to prevent junk warning
       Index      : Node_Id;