[multiple changes]

2012-10-29  Javier Miranda  <miranda@adacore.com>

	* sem_ch3.adb (Derive_Progenitor_Subprograms): Disable small
	optimization in generic formal types.

2012-10-29  Robert Dewar  <dewar@adacore.com>

	* exp_ch9.adb, exp_ch3.adb: Add comments.
	* sem_prag.adb: Minor reformatting.

From-SVN: r192926

gcc/ada/ChangeLog

+2012-10-29  Javier Miranda  <miranda@adacore.com>
+
+	* sem_ch3.adb (Derive_Progenitor_Subprograms): Disable small
+	optimization in generic formal types.
+
+2012-10-29  Robert Dewar  <dewar@adacore.com>
+
+	* exp_ch9.adb, exp_ch3.adb: Add comments.
+	* sem_prag.adb: Minor reformatting.
+
 2012-10-29  Tristan Gingold  <gingold@adacore.com>
 
 	* bindgen.adb (Gen_Output_File_Ada): Do not emit declaration for

gcc/ada/exp_ch3.adb

@@ -1537,10 +1537,9 @@ package body Exp_Ch3 is
             Append_To (Args, Make_Identifier (Loc, Name_uMaster));
          end if;
 
-         if not Restricted_Profile then
-
-            --  No _Chain for restricted profile
+         --  Add _Chain (not done in the restricted profile because ???)
 
+         if not Restricted_Profile then
             Append_To (Args, Make_Identifier (Loc, Name_uChain));
          end if;
 

gcc/ada/exp_ch9.adb

@@ -911,7 +911,7 @@ package body Exp_Ch9 is
    --  Start of processing for Build_Activation_Chain_Entity
 
    begin
-      --  Activation chain is never used in restricted profile
+      --  Activation chain is never used in restricted profile (why not???)
 
       if Restricted_Profile then
          return;
@@ -919,8 +919,7 @@ package body Exp_Ch9 is
 
       Find_Enclosing_Context (N, Context, Context_Id, Decls);
 
-      --  If an activation chain entity has not been declared already, create
-      --  one.
+      --  If activation chain entity has not been declared already, create one
 
       if Nkind (Context) = N_Extended_Return_Statement
         or else No (Activation_Chain_Entity (Context))

gcc/ada/sem_ch3.adb

@@ -12804,16 +12804,18 @@ package body Sem_Ch3 is
       --  done here because interfaces must be visible in the partial and
       --  private view (RM 7.3(7.3/2)).
 
-      --  Small optimization: This work is only required if the parent is
-      --  abstract. If the tagged type is not abstract, it cannot have
-      --  abstract primitives (the only entities in the list of primitives of
-      --  non-abstract tagged types that can reference abstract primitives
-      --  through its Alias attribute are the internal entities that have
-      --  attribute Interface_Alias, and these entities are generated later
-      --  by Add_Internal_Interface_Entities).
+      --  Small optimization: This work is only required if the parent
+      --  is abstract or a generic formal type. If the tagged type is not
+      --  abstract, it cannot have abstract primitives (the only entities
+      --  in the list of primitives of non-abstract tagged types that can
+      --  reference abstract primitives through its Alias attribute are the
+      --  internal entities that have attribute Interface_Alias, and these
+      --  entities are generated later by Add_Internal_Interface_Entities).
+      --  Need explanation for the generic case ???
 
       if In_Private_Part (Current_Scope)
-        and then Is_Abstract_Type (Parent_Type)
+        and then (Is_Abstract_Type (Parent_Type)
+                    or else Is_Generic_Type (Parent_Type))
       then
          Elmt := First_Elmt (Primitive_Operations (Tagged_Type));
          while Present (Elmt) loop

gcc/ada/sem_disp.adb

@@ -840,7 +840,7 @@ package body Sem_Disp is
       Tagged_Type := Find_Dispatching_Type (Subp);
 
       --  Ada 2005 (AI-345): Use the corresponding record (if available).
-      --  Required because primitives of concurrent types are be attached
+      --  Required because primitives of concurrent types are attached
       --  to the corresponding record (not to the concurrent type).
 
       if Ada_Version >= Ada_2005

gcc/ada/sem_prag.adb

@@ -6763,11 +6763,13 @@ package body Sem_Prag is
          -- Assert/Assert_And_Cut --
          ---------------------------
 
-         --  pragma Assert ([Check =>] Boolean_EXPRESSION
-         --                 [, [Message =>] Static_String_EXPRESSION]);
+         --  pragma Assert
+         --    (   [Check => ]  Boolean_EXPRESSION
+         --     [, [Message =>] Static_String_EXPRESSION]);
 
-         --  pragma Assert_And_Cut ([Check =>] Boolean_EXPRESSION
-         --                         [, [Message =>] Static_String_EXPRESSION]);
+         --  pragma Assert_And_Cut
+         --    (   [Check => ]  Boolean_EXPRESSION
+         --     [, [Message =>] Static_String_EXPRESSION]);
 
          when Pragma_Assert | Pragma_Assert_And_Cut => Assert : declare
             Expr : Node_Id;
@@ -6776,7 +6778,6 @@ package body Sem_Prag is
          begin
             if Prag_Id = Pragma_Assert then
                Ada_2005_Pragma;
-
             else -- Pragma_Assert_And_Cut
                GNAT_Pragma;
             end if;