[Ada] Typo fixes and minor reformatting

2018-06-11  Gary Dismukes  <dismukes@adacore.com>

gcc/ada/

	* exp_unst.ads, exp_unst.adb: Typo fixes and minor reformatting.

From-SVN: r261428

gcc/ada/ChangeLog

+2018-06-11  Gary Dismukes  <dismukes@adacore.com>
+
+	* exp_unst.ads, exp_unst.adb: Typo fixes and minor reformatting.
+
 2018-06-11  Hristian Kirtchev  <kirtchev@adacore.com>
 
 	* exp_ch6.adb (Add_Unconstrained_Actuals_To_Build_In_Place_Call): Do

gcc/ada/exp_unst.adb

@@ -810,9 +810,9 @@ package body Exp_Unst is
                      end if;
                   end;
 
-                  --  For an allocator with a qualified expression, check
-                  --  type of expression being qualified. The explicit type
-                  --  name is handled as an entity reference..
+                  --  For an allocator with a qualified expression, check type
+                  --  of expression being qualified. The explicit type name is
+                  --  handled as an entity reference.
 
                   if Nkind (N) = N_Allocator
                      and then Nkind (Expression (N)) = N_Qualified_Expression
@@ -1074,8 +1074,8 @@ package body Exp_Unst is
                         Callee := Enclosing_Subprogram (Ent);
 
                         if Callee /= Caller
-                           and then (not Is_Static_Type (Ent)
-                                      or else Needs_Fat_Pointer (Ent))
+                          and then (not Is_Static_Type (Ent)
+                                     or else Needs_Fat_Pointer (Ent))
                         then
                            Note_Uplevel_Ref (Ent, N, Caller, Callee);
 
@@ -1990,10 +1990,9 @@ package body Exp_Unst is
                Comp := Activation_Record_Component (UPJ.Ent);
                pragma Assert (Present (Comp));
 
-               --  Do the replacement. If the component type is an
-               --  access type, this is an uplevel reference for an
-               --  entity that requires a fat pointer, so dereference
-               --  the component.
+               --  Do the replacement. If the component type is an access type,
+               --  this is an uplevel reference for an entity that requires a
+               --  fat pointer, so dereference the component.
 
                if Is_Access_Type (Etype (Comp)) then
                   Rewrite (UPJ.Ref,

gcc/ada/exp_unst.ads

@@ -568,11 +568,11 @@ package Exp_Unst is
 
    --  Objects whose nominal subtype is an unconstrained array type present
    --  additional complications for translation into LLVM. The address
-   --  attributes of such objects points to the first component of the
+   --  attribute of such objects points to the first component of the
    --  array, and the bounds are found elsewhere, typically ahead of the
    --  components. In many cases the bounds of an object are stored ahead
    --  of the components and can be retrieved from it. However, if the
-   --  object is an expression (.e.g a slice) the bounds are not adjacent
+   --  object is an expression (e.g. a slice) the bounds are not adjacent
    --  and thus must be conveyed explicitly by means of a so-called
    --  fat pointer. This leads to the following enhancements to the
    --  handling of uplevel references described so far. This applies only
@@ -580,8 +580,8 @@ package Exp_Unst is
    --  subprograms:
    --
    --  a) Uplevel references are detected as before during the tree traversal
-   --  in Visit_Node. For referenes to uplevel formals, we include those with
-   --  an unconstrained array type (e.g. String) even if suvh a type has
+   --  in Visit_Node. For reference to uplevel formals, we include those with
+   --  an unconstrained array type (e.g. String) even if such a type has
    --  static bounds.
    --
    --  b) references to unconstrained formals are recognized in the Subp