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, 22 insertions, 21 deletions

diff --git a/gcc/ada/i-cpoint.ads b/gcc/ada/i-cpoint.ads
index 67c610c1bcd..1e997386d3c 100644
--- a/gcc/ada/i-cpoint.ads
+++ b/gcc/ada/i-cpoint.ads
@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 S p e c                                  --
 --                                                                          --
---          Copyright (C) 1993-2000 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 --
@@ -46,15 +46,17 @@ pragma Preelaborate (Pointers);
 
    type Pointer is access all Element;
 
+   pragma No_Strict_Aliasing (Pointer);
+   --  We turn off any strict aliasing assumptions for the pointer type,
+   --  since it is possible to create "improperly" aliased values.
+
    function Value
-     (Ref        : in Pointer;
-      Terminator : in Element := Default_Terminator)
-      return       Element_Array;
+     (Ref        : Pointer;
+      Terminator : Element := Default_Terminator) return Element_Array;
 
    function Value
-     (Ref    : in Pointer;
-      Length : in ptrdiff_t)
-      return   Element_Array;
+     (Ref    : Pointer;
+      Length : ptrdiff_t) return Element_Array;
 
    Pointer_Error : exception;
 
@@ -62,10 +64,10 @@ pragma Preelaborate (Pointers);
    -- C-style Pointer Arithmetic --
    --------------------------------
 
-   function "+" (Left : in Pointer;   Right : in ptrdiff_t) return Pointer;
-   function "+" (Left : in ptrdiff_t; Right : in Pointer)   return Pointer;
-   function "-" (Left : in Pointer;   Right : in ptrdiff_t) return Pointer;
-   function "-" (Left : in Pointer;   Right : in Pointer)   return ptrdiff_t;
+   function "+" (Left : Pointer;   Right : ptrdiff_t) return Pointer;
+   function "+" (Left : ptrdiff_t; Right : Pointer)   return Pointer;
+   function "-" (Left : Pointer;   Right : ptrdiff_t) return Pointer;
+   function "-" (Left : Pointer;   Right : Pointer)   return ptrdiff_t;
 
    procedure Increment (Ref : in out Pointer);
    procedure Decrement (Ref : in out Pointer);
@@ -76,20 +78,19 @@ pragma Preelaborate (Pointers);
    pragma Convention (Intrinsic, Decrement);
 
    function Virtual_Length
-     (Ref        : in Pointer;
-      Terminator : in Element := Default_Terminator)
-      return       ptrdiff_t;
+     (Ref        : Pointer;
+      Terminator : Element := Default_Terminator) return ptrdiff_t;
 
    procedure Copy_Terminated_Array
-     (Source     : in Pointer;
-      Target     : in Pointer;
-      Limit      : in ptrdiff_t := ptrdiff_t'Last;
-      Terminator : in Element := Default_Terminator);
+     (Source     : Pointer;
+      Target     : Pointer;
+      Limit      : ptrdiff_t := ptrdiff_t'Last;
+      Terminator : Element := Default_Terminator);
 
    procedure Copy_Array
-     (Source  : in Pointer;
-      Target  : in Pointer;
-      Length  : in ptrdiff_t);
+     (Source  : Pointer;
+      Target  : Pointer;
+      Length  : ptrdiff_t);
 
 private
    pragma Inline ("+");