2013-02-21  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/56258
	* gnat-style.texi (@title): Remove @hfill.
	* projects.texi: Avoid line wrapping inside of @pxref or
	@xref.

2013-02-20  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/56271
	Backport from mainline
	2012-05-15  Olivier Hainque  <hainque@adacore.com>

	* gcc-interface/Make-lang.in (COMMON_FLAGS_TO_PASS): Use WARN_CFLAGS
	instead of trying to mimic it.

2013-02-14  Rainer Emrich  <rainer@emrich-ebersheim.de>

	Back-port from mainline.
	PR target/52123
	* adaint.c (__gnat_check_OWNER_ACL): Cast from pointer via
	SECURITY_DESCRIPTOR *.
	(__gnat_set_OWNER_ACL): Cast from DWORD to ACCESS_MODE.
	(__gnat_portable_spawn): Fix cast to char* const*.
	(add_handle): Cast from pointer via void **.
	(add_handle): Cast from pointer via int *.
	(__gnat_locate_exec_on_path): Cast from pointer via TCHAR *.
	(__gnat_locate_exec_on_path): Cast from pointer via char *.
	* initialize.c (append_arg): Cast from pointer via LPWSTR.
	(__gnat_initialize): Cast from pointer via LPWSTR.
	* seh_init.c (__gnat_SEH_error_handler): Cast from pointer via FARPROC.
	* tracebak.c: Cast from pointer via FARPROC.

2013-02-07  Simon Wright  <simon@pushface.org>

	PR target/50678
	* init.c (__darwin_major_version): New function for x86-64/Darwin.
	(__gnat_adjust_context_for_raise) [Darwin]: Disable the workaround
	on Darwin 12 and above.

2013-01-06  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <discrete_type>: Do not
	pack the field of the record type made for a misaligned type.

2013-01-06  Eric Botcazou  <ebotcazou@adacore.com>

	Backport from mainline
	2013-01-04  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Document alignment choice for subtypes.

2012-12-21  Ed Schonberg  <schonberg@adacore.com>

	PR ada/53737
	* sem_ch12.adb (Analyze_Associations): Do not check the legality of
	actuals for RACW types if this is an internal instantiation for a formal
	package with defaulted parameters.

2012-12-18  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>

	Backport from mainline.
	2012-10-15  Matthias Klose  <doko@ubuntu.com>

	* gcc-interface/Makefile.in: Match arm*-*-linux-*eabi* for
	ARM Linux/GNU.

2012-12-16  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/54614
	Backport from mainline

	2012-10-01  Vincent Pucci  <pucci@adacore.com>

	* s-gearop.adb (Vector_Matrix_Product): Fix dimension check and index
	of Left in S evaluation.

2012-12-15  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/53766
	Backport from mainline

	2012-07-17  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_attr.adb (Expand_N_Attribute_Reference): Add local variables Attr
	and Conversion_Added.  Add local constant Typ.
	Retrieve the original attribute after the arithmetic check
	machinery has modified the node. Add a conversion to the target
	type when the prefix of attribute Max_Size_In_Storage_Elements
	is a controlled type.

2012-12-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR ada/52110
	* s-osinte-hpux-dce.ads: Declare pthread_rwlockattr_t and
	pthread_rwlock_t subtypes.  Delete duplicate declaration of clockid_t.
	* s-taspri-hpux-dce.ads: Change "pragma Atomic (Thread)" to comment.

2012-11-09  Eric Botcazou  <ebotcazou@adacore.com>

	PR other/52438
	* s-taspri-lynxos.ads: Delete.
	* s-osinte-kfreebsd-gnu.ads: Change license to GPL V3+.
	* s-tpopsp-rtems.adb: Likewise.
	* s-osinte-rtems.adb: Likewise.

2012-10-30  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/Make-lang.in: Fix and clean up rules for C files.

2012-10-22  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Force
	BLKmode on the type if it is passed by reference.
	<E_Array_Subtype>: Likewise.
	<E_Record_Type>: Guard the call to Is_By_Reference_Type predicate.
	<E_Record_Subtype>: Likewise.

	* gcc-interface/Makefile.in: Remove outdated comment and reference to
	non-existing file.

2012-10-22  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (Loop_Statement_to_gnu): Use gnat_type_for_size
	directly to obtain an unsigned version of the base type.

2012-10-22  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Out_Parameter>: Do not
	generate the special PARM_DECL for an Out parameter in LTO mode.

2012-10-02  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interfaces/decl.c (elaborate_expression_1): Use the variable for
	bounds of loop iteraration scheme only for locally defined subtypes.

	* gcc-interface/trans.c (build_return_expr): Apply the NRV optimization
	only for BLKmode.

2012-09-20  Release Manager

	* GCC 4.7.2 released.

2012-09-07  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (Loop_Statement_to_gnu): Revert to using
	size_type_node instead of sizetype.

2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Try to ensure
	that an object of CW type initialized to a value is sufficiently
	aligned for this value.

2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Subtype>: Do not
	look up the REP part of the base type in advance.  Deal with that of
	the variant types.
	(get_rep_part): Be prepared for record types with fields.

2012-07-03  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (Call_to_gnu): Robustify test for function case
	if the CICO mechanism is used.

2012-07-03  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/utils2.c (build_simple_component_ref): Do not look
	through an extension if the type contains a placeholder.

2012-07-03  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_disp.adb (Expand_Dispatching_Call): Propagate the convention on
	the designated subprogram type and also set Is_Dispatch_Table_Entity.
	(Expand_Interface_Thunk): Propagate the convention on the thunk.
	(Set_CPP_Constructors_Old): Set Is_Constructor and Convention_CPP on
	the internal view of the constructors.
	(Set_CPP_Constructors): Likewise.
	* sem_prag.adb (Analyze_Pragma) <Pragma_CPP_Constructor>: Set the
	convention on the function.
	* gcc-interface/gigi.h (is_cplusplus_method): Declare.
	* gcc-interface/decl.c (Has_Thiscall_Convention): New macro.
	(gnat_to_gnu_entity) <E_Subprogram_Type>: Test it to set the `thiscall'
	calling convention
	(get_minimal_subprog_decl): Likewise.
	(is_cplusplus_method): New predicate.
	* gcc-interface/trans.c (Attribute_to_gnu) <Attr_Access>: Issue an
	error on access to C++ constructor or member function.

2012-07-03  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/utils.c (gnat_pushdecl): Set TYPE_CONTEXT for types
	attached to a TYPE_DECL.

2012-06-15  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/53592
	* gcc-interface/gigi.h (maybe_vector_array): Make static inline.
	* gcc-interface/utils.c (maybe_vector_array): Delete.
	* gcc-interface/trans.c (gnat_to_gnu) <N_Indexed_Component>: Mark the
	array object as addressable if it has vector type and is on the LHS.

2012-06-14  Jakub Jelinek  <jakub@redhat.com>

	* gcc-interface/Makefile.in (gnatlib-shared-default): Append
	$(PICFLAG_FOR_TARGET) to GNATLIBCFLAGS_FOR_C passed to submake.

2012-06-14  Release Manager

	* GCC 4.7.1 released.

2012-06-13  Eric Botcazou  <ebotcazou@adacore.com>

	Revert
	2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (Has_Thiscall_Convention): New macro.
	(gnat_to_gnu_entity) <E_Subprogram_Type>: Test it to set the thiscall
	calling convention
	(get_minimal_subprog_decl): Likewise.
	(gnat_first_param_is_class): New predicate.

2012-06-12  Olivier Hainque  <hainque@adacore.com>

	* gcc-interface/Makefile.in (GNATLIBCFLAGS_FOR_C): Remove
	$(PIC_FLAG_FOR_TARGET).
	(gnatlib-shared-default): Add $(PIC_FLAG_FOR_TARGET) to
	GNATLIBCFLAGS_FOR_C passed to gnatlib.
	(gnatlib-shared-win32): Likewise.
	(gnatlib-shared-darwin): Likewise.
	(gnatlib-shared-dual-win32): Pass PIC_FLAG_FOR_TARGET to
	gnatlib-shared-win32.

2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (variant_desc): Rename 'record' to 'new_type'.
	(build_variant_list): Adjust to above renaming.
	(gnat_to_gnu_entity) <E_Record_Subtype>: Likewise.  Give a unique name
	to the type of the variant containers.
	(create_variant_part_from): Likewise.  Give a unique name to the type
	of the variant part.

2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/52362
	* link.c (__gnat_object_file_option): Set to "-Wl,@" for GNU linker.
	(__gnat_using_gnu_linker): Delete.
	* gnatlink.adb (Gnatlink): Declare Object_File_Option_Ptr here...
	Declare Object_File_Option string constant and Using_GNU_response_file
	boolean constant.
	(Process_Binder_File): ...instead of here.  Delete Using_GNU_Linker,
	Opening and Closing local variables.  Do not handle the GNU linker
	specially.
	(Write_RF): New procedure to write into the response file.  Escape some
	characters if a GNU response file is used.  Keep track of error status.
	Invoke Write_RF to write into the response file.  Delete the file only
	if the link was successful.
	* mlib-utl.adb: Do not `with' package System.
	(Gcc): Likewise.  Declare Object_File_Option string constant and
	Using_GNU_response_file boolean constant.
	(Write_RF): Take a string instead of address and length.  Escape some
	characters if a GNU response file is used.
	Invoke Write_RF to write into the response file.  Delete the file only
	if the link was successful.  Do not warn if it cannot be deleted.

2012-05-20  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/utils.c (gnat_write_global_declarations): Put a name
	on the dummy global variable.

2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (Has_Thiscall_Convention): New macro.
	(gnat_to_gnu_entity) <E_Subprogram_Type>: Test it to set the thiscall
	calling convention
	(get_minimal_subprog_decl): Likewise.
	(gnat_first_param_is_class): New predicate.

	Backport from mainline
	2012-05-15  Javier Miranda  <miranda@adacore.com>

	* exp_ch3.adb (Build_Offset_To_Top): Modify the
	expansion of the offset_to_top functions to ensure that their
	profile is conformant with the profile specified in Ada.Tags. No
	change in functionality.

2012-05-18  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: For an object at
	global level with unconstrained nominal subtype and a non-fixed size,
	make a variable for the size.

2012-05-15  Andris Pavenis  <andris.pavenis@iki.fi>

	PR ada/52494
	* s-taprop-dummy.adb (Specific): New package.

2012-05-15  Eric Botcazou  <ebotcazou@adacore.com>

	* sem_prag.adb (Process_Atomic_Shared_Volatile): Propagate
	atomicity from an object to its underlying type only if it
	is composite.

2012-05-06  Pascal Obry  <obry@adacore.com>

	Revert
	2012-02-24  Dave Korn  <dave.korn.cygwin@gmail.com>

	* gcc-interface/Makefile.in (WIN_SO_PREFIX [windows targets]): New
	Windows-specific make variable.
	(WIN_SO_INSTALL_DIR [windows targets]): Likewise.
	(install-gnatlib): Respect the above during installation when set,
	and also install any windows import library that has been built.
	(gnatlib-shared-win32): Use WIN_SO_PREFIX to name output DLL and also
	build a corresponding import library.

2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/utils.c (finish_record_type): Force the traditional GCC
	layout for bitfields on the type if it is packed or has a representation
	clause and an alternate layout is available.

2012-04-09  Mike Stump  <mikestump@comcast.net>

	* a-assert.ads: Remove execute permission.
	* a-chacon.ads: Likewise.
	* a-coteio.ads: Likewise.
	* a-envvar.ads: Likewise.
	* a-exetim-mingw.ads: Likewise.
	* a-fzteio.ads: Likewise.
	* a-izteio.ads: Likewise.
	* a-lcteio.ads: Likewise.
	* a-llctio.ads: Likewise.
	* a-scteio.ads: Likewise.
	* a-suenco.ads: Likewise.
	* a-suenst.ads: Likewise.
	* a-suewst.ads: Likewise.
	* a-suezst.ads: Likewise.
	* a-tirsfi.ads: Likewise.
	* a-wichha.ads: Likewise.
	* a-zchara.ads: Likewise.
	* a-zchhan.ads: Likewise.
	* a-zchuni.ads: Likewise.
	* a-zrstfi.ads: Likewise.
	* aspects.ads: Likewise.
	* g-byorma.ads: Likewise.
	* g-decstr.ads: Likewise.
	* g-encstr.ads: Likewise.
	* g-spchge.ads: Likewise.
	* g-u3spch.ads: Likewise.
	* g-wispch.ads: Likewise.
	* g-zspche.ads: Likewise.
	* namet-sp.ads: Likewise.
	* s-os_lib.ads: Likewise.
	* s-regexp.ads: Likewise.
	* s-regpat.ads: Likewise.
	* s-string.ads: Likewise.
	* s-tasloc.ads: Likewise.
	* s-utf_32.ads: Likewise.
	* sem_aux.ads: Likewise.
	* a-assert.adb: Likewise.
	* a-chacon.adb: Likewise.
	* a-envvar.adb: Likewise.
	* a-exetim-mingw.adb: Likewise.
	* a-suenco.adb: Likewise.
	* a-suenst.adb: Likewise.
	* a-suewst.adb: Likewise.
	* a-suezst.adb: Likewise.
	* a-tirsfi.adb: Likewise.
	* a-wichha.adb: Likewise.
	* a-zchhan.adb: Likewise.
	* a-zchuni.adb: Likewise.
	* a-zrstfi.adb: Likewise.
	* aspects.adb: Likewise.
	* g-byorma.adb: Likewise.
	* g-decstr.adb: Likewise.
	* g-encstr.adb: Likewise.
	* g-spchge.adb: Likewise.
	* g-u3spch.adb: Likewise.
	* g-wispch.adb: Likewise.
	* g-zspche.adb: Likewise.
	* namet-sp.adb: Likewise.
	* s-except.adb: Likewise.
	* s-inmaop-vxworks.adb: Likewise.
	* s-os_lib.adb: Likewise.
	* s-regexp.adb: Likewise.
	* s-regpat.adb: Likewise.
	* s-string.adb: Likewise.
	* s-tasloc.adb: Likewise.
	* s-utf_32.adb: Likewise.
	* s-wchcon.adb: Likewise.
	* sem_aux.adb: Likewise.

2012-03-22  Release Manager

	* GCC 4.7.0 released.

2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (components_to_record): Add ARTIFICIAL parameter
	and set TYPE_ARTIFICIAL according to it.  Adjust recursive call.
	(gnat_to_gnu_entity) <E_Record_Type>: Adjust call to above function.
	* gcc-interface/utils.c (rest_of_record_type_compilation): Do not
	invoke rest_of_type_decl_compilation on the parallel type, if any.

2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/utils.c (gnat_write_global_declarations): Make sure the
	dummy global built for global types is preserved.

2012-02-27  Tristan Gingold  <gingold@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) [E_String_Type,
	E_Array_Type]: Reuse dummy fat type for gnu_ptr_template and
	gnu_template_type.

2012-02-27  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/ada-tree.h (TYPE_PACKED_ARRAY_TYPE_P): Add checking.
	(TYPE_BY_REFERENCE_P): New flag.
	(TYPE_IS_BY_REFERENCE_P): New macro.
	(TYPE_DUMMY_P): Add checking and remove VOID_TYPE.
	(TYPE_IS_DUMMY_P): Adjust for above change.
	* gcc-interface/decl.c (gnat_to_gnu_entity): Use TYPE_BY_REFERENCE_P
	and TYPE_IS_BY_REFERENCE_P instead of TREE_ADDRESSABLE.
	(gnat_to_gnu_param): Likewise.
	(maybe_pad_type): Likewise.
	(make_type_from_size): Use TYPE_IS_PACKED_ARRAY_TYPE_P.
	* gcc-interface/misc.c (must_pass_by_ref): Use TYPE_IS_BY_REFERENCE_P
	instead of TREE_ADDRESSABLE.
	* gcc-interface/trans.c (finalize_nrv): Likewise.
	(call_to_gnu): Likewise.  Do not create a temporary for return values
	with by-reference type here.
	(gnat_to_gnu): Test TYPE_IS_DUMMY_P instead of TYPE_DUMMY_P.
	(gnat_gimplify_expr) <ADDR_EXPR>: Don't do anything for non-constant
	CONSTRUCTORs and calls.
	* gcc-interface/utils.c (make_dummy_type): Get the equivalent type of
	the underlying type and use it throughout.  Use TYPE_IS_BY_REFERENCE_P
	instead of TREE_ADDRESSABLE.
	* gcc-interface/utils2.c (build_cond_expr): Deal with by-reference
	types explicitly.

2012-02-27  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Revert previous
	change that creates a special VAR_DECL for debugging purposes.  For an
	aliased object with an unconstrained nominal subtype, make its type a
	thin reference to the underlying object.
	* gcc-interface/utils2.c (build_unary_op) <INDIRECT_REF>: Deal with
	expressions built for the initialization of above objects.

2012-02-24  Dave Korn  <dave.korn.cygwin@gmail.com>

	* gcc-interface/Makefile.in (WIN_SO_PREFIX [windows targets]): New
	Windows-specific make variable.
	(WIN_SO_INSTALL_DIR [windows targets]): Likewise.
	(install-gnatlib): Respect the above during installation when set,
	and also install any windows import library that has been built.
	(gnatlib-shared-win32): Use WIN_SO_PREFIX to name output DLL and also
	build a corresponding import library.

2012-02-22  Robert Dewar  <dewar@adacore.com>

	* exp_util.adb, make.adb, sem_dim.adb, sem_ch4.adb, exp_disp.adb: Minor
	reformatting.

2012-02-22  Geert Bosch  <bosch@adacore.com>

	* g-bytswa-x86.adb, g-bytswa.adb, gcc-interface/Makefile.in: Remove
	x86-specific version of byteswap and use GCC builtins instead.

2012-02-22  Tristan Gingold  <gingold@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) [E_String_Type,
	E_Array_Type]: Translate component ealier.

2012-02-22  Robert Dewar  <dewar@adacore.com>

	* par-ch3.adb (P_Signed_Integer_Type_Definition): Specialize
	error message for 'Range.

2012-02-22  Pascal Obry  <obry@adacore.com>

	* s-taprop-mingw.adb (Finalize_TCB): Do not wait on thread handle as
	this is our own thread.

2012-02-22  Sergey Rybin  <rybin@adacore.com frybin>

	* tree_io.ads: Update ASIS_Version_Number because of the changes
	in Snames.

2012-02-22  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch7.adb (Create_Finalizer): Suppress elaboration checks on 
	stack-related finalizers.

2012-02-22  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Analyze_Expression_Function): If the construct
	is a completion, indicate that its formals are the formals of
	a completion, and as such do not get a cross- reference entry.
	(Analyze_Subprogram_Specification): Do not generate a definition
	for the entity of an expression function, because it may be a
	completion. Definition will be generated if needed when analyzing
	the generated subprogram declaration.

2012-02-22  Vincent Celier  <celier@adacore.com>

	* make.adb (Check): When checking if an object file is in the
	correct object directory, get the unit name from a previous call
	to Check_Source_Info_In_ALI.
	* makeutl.adb (Check_Source_Info_In_ALI): Return the name of
	the unit when everything is OK, otherwise return No_Name.
	* makeutl.ads (Check_Source_Info_In_ALI): Return Name_Id instead
	of Boolean

2012-02-22  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch4.adb (Find_Equality_Types, Try_One_Interp): In an
	instance, the operator is visible if an operand is of some
	numeric type which is not in use or directly visible, and the
	other operand is a numeric literal.

2012-02-22  Tristan Gingold  <gingold@adacore.com>

	* init.c: Minor code clean up.
	* gcc-interface/Make-lang.in: Update dependencies.

2012-02-22  Arnaud Charlet  <charlet@adacore.com>

	* gnatlink.adb (Gnatlink): Use -gnatcC in CodePeer_Node,
	otherwise GCC will generate an object file.

2012-02-22  Vincent Celier  <celier@adacore.com>

	* projects.texi: Correct typo related to "**" in Source_Dirs.

2012-02-22  Steve Baird  <baird@adacore.com>

	* sem_prag.adb (Analyze_PPC_In_Decl_Part): Clean up generation of
	error message text.

2012-02-22  Vincent Pucci  <pucci@adacore.com>

	* rtsfind.adb (Get_Unit_Name): Ada_Numerics_Child and
	System_Dim_Child cases added.
	* rtsfind.ads: Ada_Numerics,
	Ada_Numerics_Generic_Elementary_Functions, System_Dim,
	System_Dim_Float_IO and System_Dim_Integer_IO added to the list
	of RTU_Id.  Ada_Numerics_Child and System_Dim_Child added as
	new RTU_Id subtypes.
	* sem_dim.adb (Is_Dim_IO_Package_Entity): Use of
	Rtsfind to verify the package entity is located either
	in System.Dim.Integer_IO or in System.Dim.Float_IO.
	(Is_Dim_IO_Package_Instantiation): Minor
	changes.  (Is_Elementary_Function_Call): Removed.
	(Is_Elementary_Function_Entity): New routine.
	(Is_Procedure_Put_Call): Is_Dim_IO_Package_Entity call added.
	* snames.ads-tmpl: Name_Dim and Name_Generic_Elementary_Functions
	removed.

2012-02-22  Vincent Pucci  <pucci@adacore.com>

	* sem_prag.adb: Minor reformatting.

2012-02-22  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Find_Type_Name): When analyzing a private type
	declaration that is the completion of a tagged incomplete type, do
	not associate the class-wide type already created with the private
	type to prevent order-of-elaboration issues in the back-end.
	* exp_disp.adb (Find_Specific_Type): Find specific type of
	a class-wide type, and handle the case of an incomplete type
	coming	either from a limited_with clause or from an incomplete
	type declaration. Used when expanding a dispatchin call and
	generating tag checks (minor refactoring).

2012-02-22  Robert Dewar  <dewar@adacore.com>

	* exp_ch5.adb: Add comment.
	* sem_ch12.adb, exp_ch6.adb: minor reformatting

2012-02-22  Ed Schonberg  <schonberg@adacore.com>

	* freeze.adb (Freeze_Entity): Do not perform type layout within
	a generic unit.

2012-02-22  Eric Botcazou  <ebotcazou@adacore.com>

	* init.c (__gnat_error_handler) [Linux]: Map SIGBUS to
	Storage_Error.

2012-02-22  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch5.adb (Expand_N_Assignment_Statement): Reject an
	assignment to a classwide type whose type is limited, as
	can happen in an instantiation in programs that run afoul or
	AI05-0087.


2012-02-17  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch6.adb (Legal_Copy): If layout is not
	determined in the front-end, do not emit error message when
	by-reference actual is potentially unaligned.
	* gcc-interface/decl.c (gnat_to_gnu_field): Better error message for
	illegal representation clause on tagged or aliased component, or on
	by-reference type with forced alignment.

2012-02-17  Nicolas Roche  <roche@adacore.com>

	* gcc-interface/Makefile.in: Ensure FORCE_DEBUG_ADAFLAGS variables is
	propagated by gnatlib-sjlj and gnatlib-zcx targets.
	* gcc-interface/Make-lang.in: Update dependencies.

2012-02-17  Thomas Quinot  <quinot@adacore.com>

	* sem_ch12.adb (Analyze_Package_Instantiation): For an
	instantiation in an RCI library unit, omit the instance body
	if the RCI library unit is the instance itself (E.2.3(18)),
	but include the body if the instantiation is within the RCI
	declaration (12.3(12)).

2012-02-17  Steve Baird  <baird@adacore.com>

	* sem_prag.adb (Analyze_PPC_In_Decl_Part): Pre'Class and
	Post'Class aspects can only be specified for a primitive operation
	of a tagged type.

2012-02-17  Yannick Moy  <moy@adacore.com>

	* gnat_rm.texi: Minor shuffling.

2012-02-17  Ed Schonberg  <schonberg@adacore.com>

	* aspects.adb: Expression functions can carry pre/postconditions.
	* par-ch6.adb (P_Subprogram): look for optional pre/postconditions
	in an expression function.
	* sem_prag (Check_Precondition_Postcondition): legal on expression
	functions.

2012-02-17  Vincent Pucci  <pucci@adacore.com>

	* a-cdlili.adb, a-cidlli.adb, a-cihama.adb, a-cimutr.adb,
	* a-ciorma.adb, a-cohama.adb, a-coinve.adb, a-comutr.adb,
	* a-convec.adb, a-coorma.adb (Adjust): New routine.
	(Constant_Reference): Increment Busy and Lock counters.
	(Reference): Increase Busy and Lock counters.
	(Finalize): New routine.
	* a-cihase.adb, a-ciorse.adb, a-cohase.adb, a-coorse.adb:
	(Adjust): New routine.	(Constant_Reference): Increment Busy
	and Lock counters.
	(Finalize): New routine.
	* a-cdlili.ads, a-cidlli.ads, a-cihama.ads, a-cihase.ads,
	* a-cimutr.ads, a-ciorma.ads, a-ciorse.ads, a-cohama.ads,
	* a-cohase.ads, a-coinve.ads, a-comutr.ads, a-convec.ads,
	* a-coorma.ads, a-coorse: Controlled component added to the
	reference types.

2012-02-17  Robert Dewar  <dewar@adacore.com>

	* restrict.adb (Check_Restriction): Add special handling for
	No_Obsolescent_Features.

2012-02-17  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_util.adb (Find_Finalize_Address): When dealing with an
	internally built full view for a type with unknown discriminants,
	use the original record type.

2012-02-17  Robert Dewar  <dewar@adacore.com>

	* sem_dim.adb: Minor reformatting.

2012-02-17  Yannick Moy  <moy@adacore.com>

	* gnat_rm.texi: Minor rewording.

2012-02-17  Thomas Quinot  <quinot@adacore.com>

	* sem_aggr.adb: Minor reformatting.

2012-02-17  Robert Dewar  <dewar@adacore.com>

	* gnat_ugn.texi: Update doc for -gnatw.m to include 2*x case.

2012-02-17  Vincent Pucci  <pucci@adacore.com>

	* sem_dim.adb (Is_Dim_IO_Package_Entity): New routine.
	(Is_Dim_IO_Package_Instantiation): Is_Dim_IO_Package_Entity
	call added.
	(Is_Procedure_Put_Call): Is_Dim_IO_Package_Entity
	call added.
	* s-dim.ads: Make package Pure.

2012-02-17  Gary Dismukes  <dismukes@adacore.com>

	* prj-nmsc.adb: Minor reformatting.

2012-02-17  Yannick Moy  <moy@adacore.com>

	* gnat_rm.texi: Update GNAT RM with a separate chapter on restrictions.

2012-02-17  Yannick Moy  <moy@adacore.com>

	* gnat_ugn.texi: Fix typos.

2012-02-17  Pascal Obry  <obry@adacore.com>

	* prj-nmsc.adb: prj-nmsc.adb (Check_Aggregated): Check that an
	aggregate is not Externally_Built.

2012-02-17  Ed Schonberg  <schonberg@adacore.com>

	* sem_aggr.adb (Resolve_Record_Aggregate): If a composite
	component has a box association, copy the default value using
	the current scope as the scope of internal types, to prevent
	scoping anomalies in gigi.

2012-02-17  Robert Dewar  <dewar@adacore.com>

	* sem_dim.adb, sem_dim.ads, s-tasren.adb, prj.adb, prj.ads, freeze.adb,
	sem_res.adb, exp_ch4.adb, sinput.adb, sinput.ads, exp_aggr.adb,
	exp_intr.adb, s-os_lib.adb: Minor reformatting.

2012-02-17  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Is_Non_Overriding_Operation): Add warning if the
	old operation is abstract, the relevant type is not abstract,
	and the new subprogram fails to override.

2012-02-15  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (Identifier_to_gnu): Move block retrieving the
	type of the result to the end and execute it for a deferred constant of
	a discriminated type whose full view can be elaborated statically.

2012-02-15  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (gnat_to_gnu) <N_Qualified_Expression>: If the
	type is tagged, mark it as used for debugging purposes.
	<N_Allocator>: Likewise for a qualified expression.

2012-02-15  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (call_to_gnu): Create the temporary for the
	return value in the by-reference return type case if this isn't the
	expression of an object declaration.  Tidy up.

2012-02-09  Tristan Gingold  <gingold@adacore.com>

	* gcc-interface/Makefile.in: Remove .sym rule (not used).
	Remove adamsg.o object (requires native message compiler).
	* init.c (CMA$_EXIT_THREAD, MTH$_FLOOVEMAT, SS$_INTDIV): Define as a
	macro instead of as extern int.
	(ADA$_ALREADY_OPEN, ADA$_CONSTRAINT_ERRO, ADA$_DATA_ERROR)
	(ADA$_DEVICE_ERROR, ADA$_END_ERROR, ADA$_FAC_MODE_MISMAT)
	(ADA$_IOSYSFAILED, ADA$_KEYSIZERR, ADA$_KEY_MISMATCH)
	(ADA$_LAYOUT_ERROR, ADA$_LINEXCMRS, ADA$_MAXLINEXC)
	(ADA$_MODE_ERROR, ADA$_MRN_MISMATCH, ADA$_MRS_MISMATCH)
	(ADA$_NAME_ERROR, ADA$_NOT_OPEN, ADA$_ORG_MISMATCH)
	(ADA$_PROGRAM_ERROR, ADA$_RAT_MISMATCH, ADA$_RFM_MISMATCH)
	(ADA$_STAOVF, ADA$_STATUS_ERROR, ADA$_STORAGE_ERROR)
	(ADA$_UNSUPPORTED, ADA$_USE_ERROR): Likewise.
	(struct cond_except): Field cond is now an unsigned int.
	(dec_ada_cond_except_table): Adjust.
	(cond_except_table): Likewise.
	(cond_resignal_table): Likewise.
	(__gnat_default_resignal_p): Fix style.

2012-02-08  Vincent Celier  <celier@adacore.com>

	* gcc-interface/Make-lang.in: Add g-byorma.o to gnatbind objects
	(g-buorma is now imported by sinput).
	Update dependencies.
	* scn.adb (Initialize_Scanner): Call Check_For_BOM
	* sinput-p.adb (Source_File_Is_Subunit): Call Check_For_BOM
	* sinput.adb: New procedure Check_For_BOM
	* sinput.ads: New procedure Check_For_BOM

2012-02-08  Vincent Pucci  <pucci@adacore.com>

	* impunit.adb: Dimension package names updated
	* Makefile.rtl: s-dim added
	* sem_dim.adb (Is_Procedure_Put_Call): minor changes
	(Is_Dim_IO_Package_Instantiation): minor changes
	* sem_dim.ads: minor changes in comments
	* snames.ads-tmpl: Name_Dim added Name_Dim_Float_IO and
	Name_Dim_Integer_IO removed
	* s-dim.ads: New package. Define the dimension terminology.
	* s-diflio.adb, s-diinio.adb, s-dimkio.ads, s-dimmks.ads,
	* s-dmotpr.ads: Package names updated.
	* s-diflio.ads, s-diinio.ads: Documentation added and package
	names updated.

2012-02-08  Gary Dismukes  <dismukes@adacore.com>

	* gcc-interface/utils2.c (build_call_alloc_dealloc_proc): Revise test
	for storage pools to test for an underlying record type rather than
	testing Is_Tagged_Type, so that simple storage pools will be handled
	the same as normal Ada storage pools.

2012-02-08  Yannick Moy  <moy@adacore.com>

	* gnat_rm.texi: Minor reshuffling to place restriction at
	appropriate place.

2012-02-08  Bob Duff  <duff@adacore.com>

	* warnsw.adb (Set_Warning_Switch): Set Warn_On_Suspicious_Modulus_Value
	False for '-gnatwA', to suppress these warnings.

2012-02-08  Vincent Celier  <celier@adacore.com>

	* sinput-p.adb (Source_File_Is_Subunit): Check for BOM before
	starting to scan, so that UTF8 encoding is taken into account.

2012-02-08  Arnaud Charlet  <charlet@adacore.com>

	* s-tasren.adb, s-tasren.ads (Internal_Complete_Rendezvous): New
	function.
	(Complete_Rendezvous): Now call Internal_Complete_Rendezvous.
	(Exceptional_Complete_Rendezvous): Mark No_Return.

2012-02-08  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_aggr.adb (Compile_Time_Known_Composite_Value):
	New predicate to compute whether a composite value can be
	evaluated at compile time.
	(Component_Not_OK_For_Backend): Use Compile_Time_Known_Value for all
	expressions of elementary type and Compile_Time_Known_Composite_Value
	for all other expressions.
	(Expand_Record_Aggregate): Convert to assignments in the case
	of a type with mutable components if the aggregate cannot be
	built statically.

2012-02-08  Gary Dismukes  <dismukes@adacore.com>

	* aspects.ads (type Aspect_Id): Add Simple_Storage_Pool_Type.
	(Impl_Defined_Aspects): Add association for
	Aspect_Simple_Storage_Pool_Type.
	(Aspect_Names): Add
	association for Aspect_Simple_Storage_Pool_Type.
	* aspects.adb:
	(Canonical_Aspect): Add association for Simple_Storage_Pool_Type.
	* exp_attr.adb (Expand_N_Attribute_Reference):
	Change name to Name_Simple_Storage_Pool_Type.
	* exp_ch4.adb (Expand_N_Allocator): Change
	name to Name_Simple_Storage_Pool_Type.
	* exp_intr.adb (Expand_Unc_Deallocation): Change name to
	Name_Simple_Storage_Pool_Type.	* freeze.adb (Freeze_Entity):
	Change names to Name_Simple_Storage_Pool_Type.	* par-prag.adb:
	Change names to Name_Simple_Storage_Pool_Type.	* sem_attr.adb:
	(Analyze_Attribute): Change name to Name_Simple_Storage_Pool_Type.
	* sem_ch13.adb (Analyze_Attribute_Definition_Clause):
	Change name to Name_Simple_Storage_Pool_Type.
	* sem_prag.adb:
	(Analyze_Pragma): Change name to Name_Simple_Storage_Pool_Type.
	(Sig_Flags): Change name to Name_Simple_Storage_Pool_Type.
	* sem_res.adb (Resolve_Allocator): Change name to
	Name_Simple_Storage_Pool_Type.	* snames.ads-tmpl:
	(Name_Simple_Storage_Pool_Type): New name constant.
	(type Pragma_Id): Change name to Name_Simple_Storage_Pool_Type and
	move to main pragma section because it no longer matches the
	attribute name.
	* snames.adb-tmpl (Get_Pragma_Id): Remove test for
	Name_Simple_Storage_Pool.
	(Is_Pragma_Name): Remove test for Name_Simple_Storage_Pool.

2012-02-08  Robert Dewar  <dewar@adacore.com>

	* gnat_ugn.texi: Add some clarification to -gnatwA and -gnatws.

2012-02-08  Pascal Obry  <obry@adacore.com>

	* prj.adb (Compute_All_Imported_Projects): Use new
	For_Project_And_Aggregated_Context to ensure proper context is
	used for encapsulated aggregate libraries.
	* prj-proc.adb (Recursive_Process): Call
	Process_Aggregated_Projects earlier to ensure that all dependent
	projects are set with the proper encapsulated status.

2012-02-08  Pascal Obry  <obry@adacore.com>

	* s-os_lib.adb (Normalize_Arguments): Properly escape last \ in null
	terminated string.

2012-02-08  Pascal Obry  <obry@adacore.com>

	* prj.ads, prj.adb (For_Project_And_Aggregated_Context): New
	generic routine with a context parameter.

2012-02-08  Robert Dewar  <dewar@adacore.com>

	* a-coinve.adb, sem_util.adb, sem_ch8.adb, a-cobove.adb,
	a-convec.adb: Minor reformatting and code reorganization.

2012-02-08  Steve Baird  <baird@adacore.com>

	* sem_cat.adb (In_Preelaborated_Unit): A child
	unit instantiation does not inherit preelaboration requirements
	from its parent.

2012-02-08  Gary Dismukes  <dismukes@adacore.com>

	* aspects.ads (type Aspect_Id): Add Aspect_Simple_Storage_Pool.
	(Impl_Defined_Aspects): Add entry for Aspect_Simple_Storage_Pool.
	(Aspect_Argument): Add Name entry for Aspect_Simple_Storage_Pool.
	(Aspect_Names): Add entry for Aspect_Simple_Storage_Pool.
	* aspects.adb (Canonical_Aspect): Add entry for
	Aspect_Simple_Storage_Pool.
	* exp_attr.adb (Expand_N_Attribute_Reference): Handle case of
	Attribute_Simple_Storage_Pool in the same way as Storage_Pool
	(add conversion, analyze/resolve). For the Storage_Size attribute,
	for the simple pool case, locate and use the simple pool type's
	Storage_Size function (if any), otherwise evaluate to zero.
	* exp_ch4.adb (Expand_N_Allocator): In the case of an allocator
	for an access type with an associated simple storage pool,
	locate and use the pool type's Allocate.
	* exp_intr.adb (Expand_Unc_Deallocation): In the case where the
	access type has a simple storage pool, locate the pool type's
	Deallocate procedure (if present) and use it as the procedure
	to call on the Free operation.
	* freeze.adb (Freeze_Entity): In the case of a full type for
	a private type defined with pragma Simple_Storage_Pool, check
	that the full type is also appropriate for the pragma. For
	a simple storage pool type, validate that the operations
	Allocate, Deallocate (if present), and Storage_Size
	(if present) are defined with appropriate expected profiles.
	(Validate_Simple_Pool_Op_Formal): New procedure
	(Validate_Simple_Pool_Operation): New procedure Add with and
	use of Rtsfind.
	* par-prag.adb: Add Pragma_Simple_Storage_Pool to case statement
	(no action required).
	* sem_attr.adb (Analyze_Attribute): For the case of the
	Storage_Pool attribute, give a warning if the prefix type has an
	associated simple storage pool, and rewrite the attribute as a
	raise of Program_Error. In the case of the Simple_Storage_Pool
	attribute, check that the prefix type has an associated simple
	storage pool, and set the attribute type to the pool's type.
	* sem_ch13.adb (Analyze_Aspect_Specifications): Add
	Aspect_Simple_Storage_Pool case choice.
	(Analyze_Attribute_Definition_Clause): Add
	Aspect_Simple_Storage_Pool to case for Ignore_Rep_Clauses
	(no action). Add handling for Simple_Storage_Pool attribute
	definition, requiring the name to denote a simple storage pool
	object.
	(Check_Aspect_At_Freeze_Point): For a simple storage pool
	aspect, set the type to that of the name specified for the aspect.
	* sem_prag.adb (Analyze_Pragma): Add handling for pragma
	Simple_Storage_Pool, requiring that it applies to a library-level
	type declared in a package declaration that is a limited private
	or limited record type.
	* sem_res.adb (Resolve_Allocator): Flag an attempt to call a
	build-in-place function in an allocator for an access type with
	a simple storage pool as unsupported.
	* snames.ads-tmpl: Add Name_Simple_Storage_Pool.
	(type Attribute_Id): Add Attribute_Simple_Storage_Pool.
	(type Pragma_Id): Add Pragma_Simple_Storage_Pool.
	* snames.adb-tmpl (Get_Pragma_Id): Handle case of
	Name_Simple_Storage_Pool.
	(Is_Pragma_Name): Return True for Name_Simple_Storage_Pool.

2012-02-08  Cyrille Comar  <comar@adacore.com>

	* projects.texi: Clarify doc for interfaces.

2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/Make-lang.in (GCC_LINKERFLAGS): New variable.
	(GCC_LINK): Use it.

2012-02-01  Tristan Gingold  <gingold@adacore.com>

	* gcc-interface/trans.c (Loop_Statement_to_gnu): Use sizetype
	instead of size_type_node.

2012-01-30  Nicolas Roche  <roche@adacore.com>

	* gcc-interface/Make-lang.in: Update dependencies.
	* gcc-interface/Makefile.in: Use system-vxworks-system-ppc-mils.ads
	when needed.
	Remove Linker_Options -crtbe when building sjlj run-time.

2012-01-30  Robert Dewar  <dewar@adacore.com>

	* sem.adb (Analyze): Call Analyze_Mod for N_Op_Mod mode.
	* sem_ch3.adb (Modular_Type_Declaration): Warn on mod value of
	form 2 * small-literal.
	* sem_ch4.adb (Analyze_Mod): New procedure (warn on suspicious
	mod value).
	* sem_ch4.ads (Analyze_Mod): New procedure.

2012-01-30  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb: sem_ch6.adb (Analyze_Expression_Function): Copy
	types and return expression when building spec for implicit
	body, to preserve global references that may be present in an
	instantiation.
