einfo.ads: Minor fixes in comments.

	* einfo.ads: Minor fixes in comments.

2017-04-27  Ed Schonberg  <schonberg@adacore.com>

	* sem_prag.adb: disable clones in SPARK_Mode.

2017-04-27  Gary Dismukes  <dismukes@adacore.com>

	* sem_util.ads, contracts.adb: Minor reformatting.

From-SVN: r247315

gcc/ada/ChangeLog

+2017-04-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* einfo.ads: Minor fixes in comments.
+
+2017-04-27  Ed Schonberg  <schonberg@adacore.com>
+
+	* sem_prag.adb: disable clones in SPARK_Mode.
+
+2017-04-27  Gary Dismukes  <dismukes@adacore.com>
+
+	* sem_util.ads, contracts.adb: Minor reformatting.
+
 2017-04-27  Ed Schonberg  <schonberg@adacore.com>
 
 	* sem_util.adb, sem_util.ads (Build_Class_Wide_Clone_Body):

gcc/ada/contracts.adb

@@ -390,9 +390,9 @@ package body Contracts is
             begin
                Analyze_Entry_Or_Subprogram_Contract (Subp_Id, Freeze_Id);
 
-               --  If analysis of a classwide pre/postcondition indicates
+               --  If analysis of a class-wide pre/postcondition indicates
                --  that a class-wide clone is needed, analyze its declaration
-               --  now.  Its body is created when the body of the original
+               --  now. Its body is created when the body of the original
                --  operation is analyzed (and rewritten).
 
                if Is_Subprogram (Subp_Id)

gcc/ada/einfo.ads

@@ -3703,7 +3703,7 @@ package Einfo is
 
 --    OK_To_Reorder_Components (Flag239) [base type only]
 --       Defined in record types. Set if the backend is permitted to reorder
---       the components. If not set, the record must be layed out in the order
+--       the components. If not set, the record must be laid out in the order
 --       in which the components are declared textually. Currently this flag
 --       can only be set by debug switches.
 
@@ -3793,7 +3793,7 @@ package Einfo is
 --       non-contiguous enumeration index types). References the type used to
 --       represent the packed array, which is either a modular type for short
 --       static arrays or an array of System.Unsigned in the bit-packed case,
---       or a regular array in the non-standard enumeration index case). Note
+--       or a regular array in the non-standard enumeration index case. Note
 --       that in some situations (internal types and references to fields of
 --       variant records), it is not always possible to construct this type in
 --       advance of its use. If this field is empty, then the necessary type

gcc/ada/sem_prag.adb

@@ -24016,6 +24016,7 @@ package body Sem_Prag is
                elsif not Is_Abstract_Subprogram (Spec_Id)
                  and then No (Class_Wide_Clone (Spec_Id))
                  and then not Has_Controlling_Result (Spec_Id)
+                 and then SPARK_Mode /= On
                then
                   Build_Class_Wide_Clone_Decl (Spec_Id);
                end if;

gcc/ada/sem_util.ads

@@ -209,10 +209,10 @@ package Sem_Util is
    --  Determine whether a selected component has a type that depends on
    --  discriminants, and build actual subtype for it if so.
 
-   --  Handling of inherited primitives whose ancestor have class-wide
-   --  pre/post conditions.
+   --  Handling of inherited primitives whose ancestors have class-wide
+   --  pre/postconditions.
 
-   --  If a primitive operation of a parent type has a class-wide pre/post
+   --  If a primitive operation of a parent type has a class-wide pre/post-
    --  condition that includes calls to other primitives, and that operation
    --  is inherited by a descendant type that also overrides some of these
    --  other primitives, the condition that applies to the inherited
@@ -227,7 +227,7 @@ package Sem_Util is
    --  economically we create a subprogram body (a "class-wide clone") to
    --  which no pre/postconditions apply, and we create bodies for the
    --  original and the inherited operation that have their respective
-   --  pre/post conditions and simply call the clone. The following operations
+   --  pre/postconditions and simply call the clone. The following operations
    --  take care of constructing declaration and body of the clone, and
    --  building the calls to it within the appropriate wrappers.
 
@@ -250,7 +250,7 @@ package Sem_Util is
    --  clone includes the proper conversion in a call the parent operation.
 
    procedure Build_Class_Wide_Clone_Decl (Spec_Id : Entity_Id);
-   --  For a subprogram that has a clas-wide condition that contains calls
+   --  For a subprogram that has a class-wide condition that contains calls
    --  to other primitives, build an internal subprogram that is invoked
    --  through a type-specific wrapper for all inherited subprograms that
    --  may have a modified condition.