2004-03-05 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>

	* trans.c: Reflect GCC changes to fix bootstrap problem.
	Add warning for suspicious aliasing unchecked conversion.

2004-03-05  Robert Dewar  <dewar@gnat.com>

	* 56taprop.adb, 5ataprop.adb: Remove unneeded unchecked conversions

	* a-tags.adb, a-tags.ads, s-finimp.adb, s-finroo.ads,
	i-cpoint.ads, i-cpoint.adb, i-cstrin.adb, i-cstrin.ads,
	5iosinte.ads, 5sosinte.ads, 5staspri.ads, 5itaprop.adb,
	5staprop.adb, 5wtaprop.adb, s-tataat.ads, s-tataat.adb: Move
	unchecked conversion to spec to avoid warnings.

	* s-tasini.adb, s-taskin.ads, 5atpopsp.adb: Correct spelling Task_Id
	to Task_ID

	* 7stpopsp.adb: Correct casing in To_Task_ID call

	* a-strsea.ads, a-strsea.adb: Minor reformatting

	* einfo.ads, einfo.adb: Define new flag No_Strict_Aliasing

	* errout.ads: Switch for VMS is now NO_STRICT_ALIASING.
	Adjust Max_Msg_Length to be clearly large enough.

	* fe.h: Define In_Same_Source_Unit

	* osint.adb: Add pragma Warnings Off to suppress warnings
	* g-dyntab.adb, g-table.adb, g-thread.adb: Add Warnings (Off) to kill
	aliasing warnings.

	* opt.ads: Put entries in alpha order. Add entry for No_Strict_Aliasing

	* par-prag.adb: Add dummy entry for No_Strict_Aliasing pragma

	* sem_ch13.adb: Generate validate unchecked conversion nodes for gcc.

	* sem_ch3.adb: Set No_Strict_Aliasing flag if config pragma set.

	* sem_prag.adb: Implement pragma No_Strict_Aliasing.

	* sinfo.ads: Remove obsolete comment on validate unchecked conversion
	node. We now do generate them for gcc back end.

	* table.adb, sinput.adb: Add pragma Warnings Off to suppress aliasing
	warning.

	* sinput-c.adb: Fix bad name in header.
	Add pragma Warnings Off to suppress aliasing warning.

	* sinput-l.adb: Add pragma Warnings Off to suppress aliasing warning.

	* snames.h, snames.ads, snames.adb: Add entry for pragma
	No_Strict_Aliasing.

2004-03-05  Vincent Celier  <celier@gnat.com>

	* prj-com.ads: Add hash table Files_Htable to check when a file name
	is already a source of another project.

	* prj-nmsc.adb (Record_Source): Before recording a new source, check
	if its file name is not already a source of another project. Report an
	error if it is.

	* gnatcmd.adb: When GNAT PRETTY is invoked with a project file and no
	source file name, call gnatpp with all the sources of the main project.

	* vms_conv.adb (Initialize): GNAT PRETTY may be called with any number
	of file names.

	* vms_data.ads: Correct documentation of new /OPTIMIZE keyword
	NO_STRICT_ALIASING. Add new qualifier for GNAT PRETTY:
	/RUNTIME_SYSTEM=, converted to --RTS=
	/NOTABS, converted to -notabs

2004-03-05  Pascal Obry  <obry@gnat.com>

	* make.adb: Minor reformatting.

2004-03-05  Ed Schonberg  <schonberg@gnat.com>

	Part of implemention of AI-262.
	* par-ch10.adb (P_Context_Clause): Recognize private with_clauses.

	* sem_ch10.ads, sem_ch10.adb: (Install_Private_With_Clauses): New
	procedure.

	* sem_ch3.adb (Analyze_Component_Declaration): Improve error message
	when component type is a partially constrained class-wide subtype.
	(Constrain_Discriminated_Type): If parent type has unknown
	discriminants, a constraint is illegal, even if full view has
	discriminants.
	(Build_Derived_Record_Type): Inherit discriminants when deriving a type
	with unknown discriminants whose full view is a discriminated record.

	* sem_ch7.adb (Preserve_Full_Attributes): Preserve Has_Discriminants
	flag, to handle properly derivations of tagged types with unknown
	discriminants.
	(Analyze_Package_Spec, Analyze_Package_Body): Install
	Private_With_Clauses before analyzing private part or body.

	* einfo.ads: Indicate that both Has_Unknown_Discriminants and
	Has_Discriminants can be true for a given type (documentation).

2004-03-05  Arnaud Charlet  <charlet@act-europe.fr>

	* s-restri.ads: Fix license (GPL->GMGPL).

	* s-tassta.adb: Minor reformatting.

	* s-tasren.adb: Replace manual handling of Self_Id.ATC_Nesting_Level
	by calls to Exit_One_ATC_Level, since additional clean up is performed
	by this function.

	* s-tpobop.adb: Replace manual handling of Self_Id.ATC_Nesting_Level
	by calls to Exit_One_ATC_Level, since additional clean up is performed
	by this function.

2004-03-05  GNAT Script  <nobody@gnat.com>

	* Make-lang.in: Makefile automatically updated


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@78964 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 33 insertions, 22 deletions

diff --git a/gcc/ada/i-cstrin.ads b/gcc/ada/i-cstrin.ads
index 2f42cdea7d4..e9d9abbe8e1 100644
--- a/gcc/ada/i-cstrin.ads
+++ b/gcc/ada/i-cstrin.ads
@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 S p e c                                  --
 --                                                                          --
---          Copyright (C) 1993-2002 Free Software Foundation, Inc.          --
+--          Copyright (C) 1993-2004 Free Software Foundation, Inc.          --
 --                                                                          --
 -- This specification is derived from the Ada Reference Manual for use with --
 -- GNAT. The copyright notice above, and the license provisions that follow --
@@ -40,6 +40,15 @@ pragma Preelaborate (Strings);
 
    type char_array_access is access all char_array;
 
+   pragma Warnings (Off);
+   pragma No_Strict_Aliasing (char_array_access);
+   pragma Warnings (On);
+   --  Since this type is used for external interfacing, with the pointer
+   --  coming from who knows where, it seems a good idea to turn off any
+   --  strict aliasing assumptions for this type. We turn off warnings for
+   --  this pragma to deal with being compiled with an earlier GNAT version
+   --  that does not recognize this pragma.
+
    type chars_ptr is private;
 
    type chars_ptr_array is array (size_t range <>) of chars_ptr;
@@ -47,50 +56,52 @@ pragma Preelaborate (Strings);
    Null_Ptr : constant chars_ptr;
 
    function To_Chars_Ptr
-     (Item      : in char_array_access;
-      Nul_Check : in Boolean := False)
-      return      chars_ptr;
+     (Item      : char_array_access;
+      Nul_Check : Boolean := False) return chars_ptr;
 
-   function New_Char_Array (Chars : in char_array) return chars_ptr;
+   function New_Char_Array (Chars : char_array) return chars_ptr;
 
-   function New_String (Str : in String) return chars_ptr;
+   function New_String (Str : String) return chars_ptr;
 
    procedure Free (Item : in out chars_ptr);
 
    Dereference_Error : exception;
 
-   function Value (Item : in chars_ptr) return char_array;
+   function Value (Item : chars_ptr) return char_array;
 
    function Value
-     (Item   : in chars_ptr;
-      Length : in size_t)
-      return   char_array;
+     (Item   : chars_ptr;
+      Length : size_t) return char_array;
 
-   function Value (Item : in chars_ptr) return String;
+   function Value (Item : chars_ptr) return String;
 
    function Value
-     (Item   : in chars_ptr;
-      Length : in size_t)
-      return   String;
+     (Item   : chars_ptr;
+      Length : size_t) return String;
 
-   function Strlen (Item : in chars_ptr) return size_t;
+   function Strlen (Item : chars_ptr) return size_t;
 
    procedure Update
-     (Item   : in chars_ptr;
-      Offset : in size_t;
-      Chars  : in char_array;
+     (Item   : chars_ptr;
+      Offset : size_t;
+      Chars  : char_array;
       Check  : Boolean := True);
 
    procedure Update
-     (Item   : in chars_ptr;
-      Offset : in size_t;
-      Str    : in String;
-      Check  : in Boolean := True);
+     (Item   : chars_ptr;
+      Offset : size_t;
+      Str    : String;
+      Check  : Boolean := True);
 
    Update_Error : exception;
 
 private
    type chars_ptr is access all Character;
 
+   pragma No_Strict_Aliasing (chars_ptr);
+   --  Since this type is used for external interfacing, with the pointer
+   --  coming from who knows where, it seems a good idea to turn off any
+   --  strict aliasing assumptions for this type.
+
    Null_Ptr : constant chars_ptr := null;
 end Interfaces.C.Strings;