path: root/gcc/fortran/ChangeLog

2009-10-02  Tobias Burnus  <burnus@net-b.de>

	PR fortran/41479
	* trans-decl.c (gfc_init_default_dt): Check for presence of
	the argument only if it is optional or in entry master.
	(init_intent_out_dt): Ditto; call gfc_init_default_dt
	for all derived types with initializers.

2009-10-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	PR fortran/33197
	* gfortran.h (HAVE_mpc_arc): Define.
	* simplify.c (gfc_simplify_acos): Handle complex acos.
	(gfc_simplify_acosh): Likewise for acosh.
	(gfc_simplify_asin): Likewise for asin.
	(gfc_simplify_asinh): Likewise for asinh.
	(gfc_simplify_atan): Likewise for atan.
	(gfc_simplify_atanh): Likewise for atanh.

2009-10-01  Tobias Burnus  <burnus@net-b.de>

	PR fortran/41515
	* decl.c (do_parm): Call add_init_expr_to_sym.

2009-09-30  Dennis Wassel  <dennis.wassel@gmail.com>

	* gcc/fortran/trans-array.c (gfc_trans_array_bound_check): Improved
	bounds checking error messages. (gfc_conv_array_ref): Likewise.
	(gfc_conv_ss_startstride): Likewise.

2009-09-30  Janus Weil  <janus@gcc.gnu.org>

	* resolve.c (check_typebound_baseobject): Don't check for
	abstract types for CLASS.
	(resolve_class_assign): Adapt for RHS being a CLASS.
	* trans-intrinsic.c (gfc_conv_associated): Add component ref
	if expr is a CLASS.

2009-09-30  Janus Weil  <janus@gcc.gnu.org>

	* check.c (gfc_check_same_type_as): New function for checking
	SAME_TYPE_AS and EXTENDS_TYPE_OF.
	* decl.c (encapsulate_class_symbol): Set ABSTRACT attribute for class
	container, if the contained type has it. Add an initializer for the
	class container.
	(add_init_expr_to_sym): Handle BT_CLASS.
	(vindex_counter): New counter for setting vindices.
	(gfc_match_derived_decl): Set vindex for all derived types, not only
	those which are being extended.
	* expr.c (gfc_check_assign_symbol): Handle NULL initialization of class
	pointers.
	* gfortran.h (gfc_isym_id): New values GFC_ISYM_SAME_TYPE_AS and
	GFC_ISYM_EXTENDS_TYPE_OF.
	(gfc_type_is_extensible): New prototype.
	* intrinsic.h (gfc_check_same_type_as): New prototype.
	* intrinsic.c (add_functions): Add SAME_TYPE_AS and EXTENDS_TYPE_OF.
	* primary.c (gfc_expr_attr): Handle CLASS-valued functions.
	* resolve.c (resolve_structure_cons): Handle BT_CLASS.
	(type_is_extensible): Make non-static and rename to
	'gfc_type_is_extensible.
	(resolve_select_type): Renamed type_is_extensible.
	(resolve_class_assign): Handle NULL pointers.
	(resolve_fl_variable_derived): Renamed type_is_extensible.
	(resolve_fl_derived): Ditto.
	* trans-expr.c (gfc_trans_subcomponent_assign): Handle NULL
	initialization of class pointer components.
	(gfc_conv_structure): Handle BT_CLASS.
	* trans-intrinsic.c (gfc_conv_same_type_as,gfc_conv_extends_type_of):
	New functions.
	(gfc_conv_intrinsic_function): Handle SAME_TYPE_AS and EXTENDS_TYPE_OF.

2009-09-30  Janus Weil  <janus@gcc.gnu.org>

	* gfortran.h (type_selector, select_type_tmp): New global variables.
	* match.c (type_selector, select_type_tmp): New global variables,
	used for SELECT TYPE statements.
	(gfc_match_select_type): Better error handling. Remember selector.
	(gfc_match_type_is): Create temporary variable.
	* module.c (ab_attribute): New value 'AB_IS_CLASS'.
	(attr_bits): New string.
	(mio_symbol_attribute): Handle 'is_class'.
	* resolve.c (resolve_select_type): Insert pointer assignment statement,
	to assign temporary to selector.
	* symbol.c (gfc_get_ha_sym_tree): Replace selector by a temporary
	in SELECT TYPE statements.

2009-09-30  Janus Weil  <janus@gcc.gnu.org>

	* dump-parse-tree.c (show_code_node): Renamed 'alloc_list'.
	* gfortran.h (gfc_code): Rename 'alloc_list'. Add member 'ts'.
	(gfc_expr_to_initialize): New prototype.
	* match.c (alloc_opt_list): Correctly check type compatibility.
	Renamed 'alloc_list'.
	(dealloc_opt_list): Renamed 'alloc_list'.
	* resolve.c (expr_to_initialize): Rename to 'gfc_expr_to_initialize'
	and make it non-static.
	(resolve_allocate_expr): Set vindex for CLASS variables correctly.
	Move initialization code to gfc_trans_allocate. Renamed 'alloc_list'.
	(resolve_allocate_deallocate): Renamed 'alloc_list'.
	(check_class_pointer_assign): Rename to 'resolve_class_assign'. Change
	argument type. Adjust to work with ordinary assignments.
	(resolve_code): Call 'resolve_class_assign' for ordinary assignments.
	Renamed 'check_class_pointer_assign'.
	* st.c (gfc_free_statement): Renamed 'alloc_list'.
	* trans-stmt.c (gfc_trans_allocate): Renamed 'alloc_list'. Handle
	size determination and initialization of CLASS variables. Bugfix for
	ALLOCATE statements with default initialization and SOURCE block.
	(gfc_trans_deallocate): Renamed 'alloc_list'.

2009-09-30  Paul Thomas  <pault@gcc.gnu.org>

	* trans-expr.c (gfc_conv_procedure_call): Convert a derived
	type actual to a class object if the formal argument is a
	class.

2009-09-30  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40996
	* decl.c (build_struct): Handle allocatable scalar components.
	* expr.c (gfc_add_component_ref): Correctly set typespec of expression,
	after inserting component reference.
	* match.c (gfc_match_type_is,gfc_match_class_is): Make sure that no
	variables are being used uninitialized.
	* primary.c (gfc_match_varspec): Handle CLASS array components.
	* resolve.c (resolve_select_type): Transform EXEC_SELECT_TYPE to
	EXEC_SELECT.
	* trans-array.c (structure_alloc_comps,gfc_trans_deferred_array):
	Handle allocatable scalar components.
	* trans-expr.c (gfc_conv_component_ref): Ditto.
	* trans-types.c (gfc_get_derived_type): Ditto.

2009-09-30  Janus Weil  <janus@gcc.gnu.org>

	* decl.c (encapsulate_class_symbol): Modify names of class container
	components by prefixing with '$'.
	(gfc_match_end): Handle COMP_SELECT_TYPE.
	* expr.c (gfc_add_component_ref): Modify names of class container
	components by prefixing with '$'.
	* gfortran.h (gfc_statement): Add ST_SELECT_TYPE, ST_TYPE_IS and
	ST_CLASS_IS.
	(gfc_case): New field 'ts'.
	(gfc_exec_op): Add EXEC_SELECT_TYPE.
	(gfc_type_is_extension_of): New prototype.
	* match.h (gfc_match_select_type,gfc_match_type_is,gfc_match_class_is):
	New prototypes.
	* match.c (match_derived_type_spec): New function.
	(match_type_spec): Use 'match_derived_type_spec'.
	(match_case_eos): Modify error message.
	(gfc_match_select_type): New function.
	(gfc_match_case): Modify error message.
	(gfc_match_type_is): New function.
	(gfc_match_class_is): Ditto.
	* parse.h (gfc_compile_state): Add COMP_SELECT_TYPE.
	* parse.c (decode_statement): Handle SELECT TYPE, TYPE IS and CLASS IS
	statements.
	(next_statement): Handle ST_SELECT_TYPE.
	(gfc_ascii_statement): Handle ST_SELECT_TYPE, ST_TYPE_IS, ST_CLASS_IS.
	(parse_select_type_block): New function.
	(parse_executable): Handle ST_SELECT_TYPE.
	* resolve.c (resolve_deallocate_expr): Handle BT_CLASS. Modify names of
	class container components by prefixing with '$'.
	(resolve_allocate_expr): Ditto.
	(resolve_select_type): New function.
	(gfc_resolve_blocks): Handle EXEC_SELECT_TYPE.
	(check_class_pointer_assign): Modify names of class container
	components by prefixing with '$'.
	(resolve_code): Ditto.
	* st.c (gfc_free_statement): Ditto.
	* symbol.c (gfc_type_is_extension_of): New function.
	(gfc_type_compatible): Use 'gfc_type_is_extension_of', plus a bugfix.
	* trans.c (gfc_trans_code): Handel EXEC_SELECT_TYPE.

2009-09-30  Janus Weil  <janus@gcc.gnu.org>
	    Paul Thomas <pault@gcc.gnu.org> 

	* check.c (gfc_check_move_alloc): Arguments don't have to be arrays.
	The second argument needs to be type-compatible with the first (not the
	other way around, which makes a difference for CLASS entities).
	* decl.c (encapsulate_class_symbol): New function.
	(build_sym,build_struct): Handle BT_CLASS, call
	'encapsulate_class_symbol'.
	(gfc_match_decl_type_spec): Remove warning, use BT_CLASS.
	(gfc_match_derived_decl): Set vindex;
	* expr.c (gfc_add_component_ref): New function.
	(gfc_copy_expr,gfc_check_pointer_assign,gfc_check_assign_symbol):
	Handle BT_CLASS.
	* dump-parse-tree.c (show_symbol): Print vindex.
	* gfortran.h (bt): New basic type BT_CLASS.
	(symbol_attribute): New field 'is_class'.
	(gfc_typespec): Remove field 'is_class'.
	(gfc_symbol): New field 'vindex'.
	(gfc_get_ultimate_derived_super_type): New prototype.
	(gfc_add_component_ref): Ditto.
	* interface.c (gfc_compare_derived_types): Pointer equality check
	moved here from gfc_compare_types.
	(gfc_compare_types): Handle BT_CLASS and use
	gfc_type_compatible.
	* match.c (gfc_match_allocate,gfc_match_deallocate,gfc_match_call):
	Handle BT_CLASS.
	* misc.c (gfc_clear_ts): Removed is_class.
	(gfc_basic_typename,gfc_typename): Handle BT_CLASS.
	* module.c (bt_types,mio_typespec): Handle BT_CLASS.
	(mio_symbol): Handle vindex.
	* primary.c (gfc_match_varspec,gfc_variable_attr): Handle BT_CLASS.
	* resolve.c (find_array_spec,check_typebound_baseobject):
	Handle BT_CLASS.
	(resolve_ppc_call,resolve_expr_ppc): Don't call 'gfc_is_proc_ptr_comp'
	inside 'gcc_assert'.
	(resolve_deallocate_expr,resolve_allocate_expr): Handle BT_CLASS.
	(check_class_pointer_assign): New function.
	(resolve_code): Handle BT_CLASS, call check_class_pointer_assign.
	(resolve_fl_var_and_proc,type_is_extensible,resolve_fl_variable_derived,
	resolve_fl_variable): Handle BT_CLASS.
	(check_generic_tbp_ambiguity): Add special case.
	(resolve_typebound_procedure,resolve_fl_derived): Handle BT_CLASS.
	* symbol.c (gfc_get_ultimate_derived_super_type): New function.
	(gfc_type_compatible): Handle BT_CLASS.
	* trans-expr.c (conv_parent_component_references): Handle CLASS
	containers.
	(gfc_conv_initializer): Handle BT_CLASS.
	* trans-types.c (gfc_typenode_for_spec,gfc_get_derived_type):
	Handle BT_CLASS.

2009-09-29  Daniel Kraft  <d@domob.eu>

	PR fortran/39626
	* gfortran.h (enum gfc_statement): Add ST_BLOCK and ST_END_BLOCK.
	(struct gfc_namespace): Convert flags to bit-fields and add flag
	`construct_entities' for use with BLOCK constructs.
	(enum gfc_exec_code): Add EXEC_BLOCK.
	(struct gfc_code): Add namespace field to union for EXEC_BLOCK.
	* match.h (gfc_match_block): New prototype.
	* parse.h (enum gfc_compile_state): Add COMP_BLOCK.
	* trans.h (gfc_process_block_locals): New prototype.
	(gfc_trans_deferred_vars): Made public, new prototype.
	* trans-stmt.h (gfc_trans_block_construct): New prototype.
	* decl.c (gfc_match_end): Handle END BLOCK correctly.
	(gfc_match_intent): Error if inside of BLOCK.
	(gfc_match_optional), (gfc_match_value): Ditto.
	* match.c (gfc_match_block): New routine.
	* parse.c (decode_statement): Handle BLOCK statement.
	(case_exec_markers): Add ST_BLOCK.
	(case_end): Add ST_END_BLOCK.
	(gfc_ascii_statement): Handle ST_BLOCK and ST_END_BLOCK.
	(parse_spec): Check for statements not allowed inside of BLOCK.
	(parse_block_construct): New routine.
	(parse_executable): Parse BLOCKs.
	(parse_progunit): Disallow CONTAINS in BLOCK constructs.
	* resolve.c (is_illegal_recursion): Find real container procedure and
	don't get confused by BLOCK constructs.
	(resolve_block_construct): New routine.
	(gfc_resolve_blocks), (resolve_code): Handle EXEC_BLOCK.
	* st.c (gfc_free_statement): Handle EXEC_BLOCK statements.
	* trans-decl.c (saved_local_decls): New static variable.
	(add_decl_as_local): New routine.
	(gfc_finish_var_decl): Add variable as local if inside BLOCK.
	(gfc_trans_deferred_vars): Make public.
	(gfc_process_block_locals): New routine.
	* trans-stmt.c (gfc_trans_block_construct): New routine.
	* trans.c (gfc_trans_code): Handle EXEC_BLOCK statements.

2009-09-28  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/35862
	* io.c (format_token): Add enumerators for rounding format specifiers.
	(format_lex): Tokenize the rounding format specifiers.
	(gfc_match_open): Enable rounding modes in OPEN statement.

2009-09-28  Richard Henderson  <rth@redhat.com>

	* f95-lang.c (gfc_init_builtin_functions): Update call to
	build_common_builtin_nodes.

2009-09-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* simplify.c (gfc_simplify_acos, gfc_simplify_acosh,
	gfc_simplify_asin, gfc_simplify_asinh, gfc_simplify_atan,
	gfc_simplify_atanh): Fix error message.

2009-09-24  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/41459
	* error.c(gfc_warning_now): Move warnings_are_errors test to 
	after actual emitting of the warning.
	* parse.c (next_free): Improve error locus printing.
	(next_fixed): Change gfc_warn to gfc_warning_now, and improve
	locus reporting.
 

2009-09-16  Michael Matz  <matz@suse.de>

	PR fortran/41212
	* trans.h (struct lang_type): Remove nontarget_type member.
	* trans.c (gfc_add_modify): Don't access it.
	* trans-decl.c (gfc_finish_var_decl): Don't allocate and set it,
	instead set DECL_RESTRICTED_P on affected decls.

2009-09-14  Richard Henderson  <rth@redhat.com>

	* f95-lang.c (gfc_init_builtin_functions): Update call to
	build_common_builtin_nodes.
	(gfc_maybe_initialize_eh): Don't call
	default_init_unwind_resume_libfunc.

2009-09-13  Richard Guenther  <rguenther@suse.de>
	Rafael Avila de Espindola  <espindola@google.com>

	* f95-lang.c (gfc_maybe_initialize_eh): Do not init
	eh_personality_libfunc.

2009-09-11  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/41242
	* resolve.c (resolve_ordinary_assign): Don't call resolve_code,
	to avoid that subsequent codes are resolved more than once.
	(resolve_code): Make sure that type-bound assignment operators are
	resolved correctly.


2009-09-10  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/31292
	* fortran/decl.c(gfc_match_modproc): Check that module procedures
	from a module can USEd in module procedure statements in other
	program units.  Update locus for better error message display.
	Detect intrinsic procedures in module procedure statements.

2009-09-09  Richard Guenther  <rguenther@suse.de>

	PR fortran/41297
	* trans-expr.c (gfc_trans_scalar_assign): Correct typo that
	left 'tmp' unused in derived type assignment.

2009-09-07  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/41197
	* resolve_c (resolve_allocate_deallocate):  Complain
	if stat or errmsg varaible is an array.

2009-09-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/41258
	* primary.c (gfc_match_varspec): Do not look for typebound
	procedures unless the derived type has a f2k_derived namespace.

2009-09-03  Diego Novillo  <dnovillo@google.com>

	* f95-lang.c (lang_hooks): Remove const qualifier.

2009-09-01  Richard Guenther  <rguenther@suse.de>

	* f95-lang.c (gfc_mark_addressable): Remove.
	(LANG_HOOKS_MARK_ADDRESSABLE): Likewise.

2009-08-31  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/39229
	* scanner.c (next_char): Fix typo in comment.
	(gfc_get_char_literal): Warn if truncate flag is set for both fixed and
	free form source, adjusting error locus as needed.
	* parse.c (next_fixed): Clear the truncate flag.
	(next_statement): Remove truncate warning.

2009-08-31  Janus Weil  <janus@gcc.gnu.org>
	    Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40940
	* array.c (gfc_match_array_constructor): Rename gfc_match_type_spec.
	* decl.c (gfc_match_type_spec): Rename to gfc_match_decl_type_spec,
	and reject CLASS with -std=f95.
	(gfc_match_implicit, gfc_match_data_decl,gfc_match_prefix,
	match_procedure_interface): Rename gfc_match_type_spec.
	* gfortran.h (gfc_type_compatible): Add prototype.
	* match.h (gfc_match_type_spec): Rename to gfc_match_decl_type_spec.
	* match.c (match_intrinsic_typespec): Rename to match_type_spec, and
	add handling of derived types.
	(gfc_match_allocate): Rename match_intrinsic_typespec and check
	type compatibility of derived types.
	* symbol.c (gfc_type_compatible): New function to check if two types
	are compatible.

2009-08-31  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40996
	* check.c (gfc_check_allocated): Implement allocatable scalars.
	* resolve.c (resolve_allocate_expr,resolve_fl_var_and_proc): Ditto.
	* trans-intrinsic.c (gfc_conv_allocated): Ditto.

2009-08-30  Daniel Kraft  <d@domob.eu>

	PR fortran/37425
	* dump-parse-tree.c (show_typebound_proc): Renamed from `show_typebound'
	and accept gfc_typebound_proc and name instead of the symtree, needed
	for intrinsic operator output.
	(show_typebound_symtree): New method calling `show_typebound_proc'.
	(show_f2k_derived): Output type-bound operators also.
	(show_symbol): Moved output of `Procedure bindings:' label to
	`show_f2k_derived'.
	* gfortran.texi (Fortran 2003 status): Mention support of
	array-constructors with explicit type specification, type-bound
	procedures/operators, type extension, ABSTRACT types and DEFERRED.
	Link to Fortran 2003 wiki page.
	(Fortran 2008 status): Fix typo.  Link to Fortran 2008 wiki page.
	* gfc-internals.texi (Type-bound Procedures): Document the new
	members/attributes of gfc_expr.value.compcall used for type-bound
	operators.
	(Type-bound Operators): New section documenting their internals.

2009-08-27  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40869
	* expr.c (gfc_check_pointer_assign): Enable interface check for
	pointer assignments involving procedure pointer components.
	* gfortran.h (gfc_compare_interfaces): Modified prototype.
	* interface.c (gfc_compare_interfaces): Add argument 'name2', to be
	used instead of s2->name. Don't rely on the proc_pointer attribute,
	but instead on the flags handed to this function.
	(check_interface1,compare_parameter): Add argument for
	gfc_compare_interfaces.
	* resolve.c (check_generic_tbp_ambiguity): Ditto.

2009-08-27  Daniel Kraft  <d@domob.eu>

	PR fortran/37425
	* gfortran.h (gfc_expr): Optionally store base-object in compcall value
	and add a new flag to distinguish assign-calls generated.
	(gfc_find_typebound_proc): Add locus argument.
	(gfc_find_typebound_user_op), (gfc_find_typebound_intrinsic_op): Ditto.
	(gfc_extend_expr): Return if failure was by a real error.
	* interface.c (matching_typebound_op): New routine.
	(build_compcall_for_operator): New routine.
	(gfc_extend_expr): Handle type-bound operators, some clean-up and
	return if failure was by a real error or just by not finding an
	appropriate operator definition.
	(gfc_extend_assign): Handle type-bound assignments.
	* module.c (MOD_VERSION): Incremented.
	(mio_intrinsic_op): New routine.
	(mio_full_typebound_tree): New routine to make typebound-procedures IO
	code reusable for type-bound user operators.
	(mio_f2k_derived): IO of type-bound operators.
	* primary.c (gfc_match_varspec): Initialize new fields in gfc_expr and
	pass locus to gfc_find_typebound_proc.
	* resolve.c (resolve_operator): Only output error about no matching
	interface if gfc_extend_expr did not already fail with an error.
	(extract_compcall_passed_object): Use specified base-object if present.
	(update_compcall_arglist): Handle ignore_pass field.
	(resolve_ordinary_assign): Update to handle extended code for
	type-bound assignments, too.
	(resolve_code): Handle EXEC_ASSIGN_CALL statement code.
	(resolve_tb_generic_targets): Pass locus to gfc_find_typebound_proc.
	(resolve_typebound_generic), (resolve_typebound_procedure): Ditto.
	(resolve_typebound_intrinsic_op), (resolve_typebound_user_op): Ditto.
	(ensure_not_abstract_walker), (resolve_fl_derived): Ditto.
	(resolve_typebound_procedures): Remove not-implemented error.
	(resolve_typebound_call): Handle assign-call flag.
	* symbol.c (find_typebound_proc_uop): New argument to pass locus for
	error message about PRIVATE, verify that a found procedure is not marked
	as erraneous.
	(gfc_find_typebound_intrinsic_op): Ditto.
	(gfc_find_typebound_proc), (gfc_find_typebound_user_op): New locus arg.

2009-08-22  Bud Davis <bdavis9659@sbcglobal.net>

	PR fortran/28093
	* io.c: reverted previous patch.

2009-08-25  Janne Blomqvist  <jb@gcc.gnu.org>

	* gfortran.texi: Fix ENCODE example.

2009-08-25  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/41139
	* primary.c (gfc_match_varspec): Make sure EXPR_PPC is only used for
	calls to procedure pointer components, other references to procedure
	pointer components are EXPR_VARIABLE.
	* resolve.c (resolve_actual_arglist): Bugfix (there can be calls without
	actual arglist).
	* trans-expr.c (gfc_get_proc_ptr_comp): Renamed to 'get_proc_ptr_comp',
	removed argument 'se' and made static. Avoid inserting a temporary
	variable for calling the PPC.
	(conv_function_val): Renamed gfc_get_proc_ptr_comp.
	(gfc_conv_procedure_call): Distinguish functions returning a procedure
	pointer from calls to a procedure pointer. Distinguish calls to
	procedure pointer components from procedure pointer components as
	actual arguments.
	* trans-stmt.h (gfc_get_proc_ptr_comp): Make it static.

2009-08-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/41162
	* io.c (check_format): Fix to not error on slash after P. Fix some
	error loci.
	
2009-08-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/41154
	* io.c (check_format): Fix to not error on right paren after P.

2009-08-24  Aldy Hernandez  <aldyh@redhat.com>

	PR fortran/40660
	* trans-io.c (build_dt): Pass UNKNOWN_LOCATION to build_call_expr_loc.
	(transfer_array_desc): Same.

2009-08-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/35754
	* io.c (check_format): Add checks for comma and the allowed
	format specifiers after the 'P' specifier. Fix typo in error message
	and adjust locus.

2009-08-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/37446
	* io.c (enum format_token): Change FMT_EXT to FMT_EN and FMT_ES.
	(format_lex): Likewise.
	(token_to_string): New function.
	(check_format): Use the new tokens and the new function. Add
	check for positive width.

2009-08-22  Steven G. Kargl  <kargl@gcc.gnu.org>

	* fortran/decl.c: Disallow procedure pointers with -std=f95.

2009-08-22 Steven K. kargl  <kargl@gcc.gnu.org>
	   Paul Thomas  <pault@gcc.gnu.org>

	* fortran/decl.c (match_char_spec): Rename to gfc_match_char_spec,
	and remove static.
	* fortran/gfortran.h: Add *expr3 entity to gfc_code.  Add prototype
	for gfc_match_char_spec.
	* fortran/trans-stmt.c (gfc_trans_allocate): Translate the SOURCE=
	tag.
	* fortran/match.c (match_intrinsic_typespec): New function to match
	F2003 intrinsic-type-spec.
	(conformable_arrays): New function. Check SOURCE= and
	allocation-object are conformable.
	(gfc_match_allocate): Use new functions.  Match SOURCE= tag.

2009-08-22  Bud Davis <bdavis9659@sbcglobal.net>

	PR fortran/28093
	* io.c : added variable to store original len of fmt
	* io.c (check_format): Consume H items using next_char
	in both modes to handle consecutive single quotes.
	Test for extra characters in fmt, issue warning.

2009-08-21  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/41106
	* primary.c (gfc_variable_attr): Make it work also on EXPR_FUNCTION.
	(gfc_expr_attr): Use gfc_variable_attr for procedure pointer components.
	* resolve.c (resolve_fl_derived): Handle CHARACTER-valued procedure
	pointer components.
	* trans-expr.c (gfc_conv_component_ref): Ditto.
	(gfc_conv_variable): Ditto.
	(gfc_conv_procedure_call): Ditto.
	(gfc_trans_pointer_assignment): Ditto.
	* trans-types.c (gfc_get_derived_type): Ditto.

2009-08-20  Tobias Schlüter  <tobi@gcc.gnu.org>

	* trans-stmt.c (gfc_trans_do): Add a few missing folds.

2009-08-20  Michael Matz  <matz@suse.de>

	PR fortran/41126
	* trans-expr.c (gfc_conv_string_tmp): Check type compatibility
	instead of equality.

2009-08-20  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/41121
	* resolve.c (resolve_symbol): Don't resolve formal_ns of intrinsic
	procedures.

2009-08-18  Michael Matz  <matz@suse.de>

	* trans-expr.c (gfc_conv_substring): Don't evaluate casted decl early,
	change order of length calculation to (end - start) + 1.
	(gfc_get_interface_mapping_array): Adjust call to
	gfc_get_nodesc_array_type.
	* trans-array.c (gfc_trans_create_temp_array,
	gfc_build_constant_array_constructor, gfc_conv_expr_descriptor): Ditto.
	* trans-stmt.c (gfc_trans_pointer_assign_need_temp): Ditto.
	* trans.c (gfc_add_modify): Assignment between base type and nontarget
	type are equal enough.
	(gfc_call_malloc): Use prvoid_type_node for return value of
	__builtin_malloc.
	(gfc_allocate_with_status): Ditto.
	* trans-types.c (gfc_array_descriptor_base): Double size of this array.
	(gfc_init_types): Build prvoid_type_node.
	(gfc_build_array_type): New bool parameter "restricted".
	(gfc_get_nodesc_array_type): Ditto, build restrict qualified pointers,
	if it's true.
	(gfc_get_array_descriptor_base): Ditto.
	(gfc_get_array_type_bounds): Ditto.
	(gfc_sym_type): Use symbol attributes to feed calls to above functions.
	(gfc_get_derived_type): Ditto.
	* trans.h (struct lang_type): Add nontarget_type member.
	* trans-types.h (prvoid_type_node): Declare.
	(gfc_get_array_type_bounds, gfc_get_nodesc_array_type): Declare new
	parameter.
	* trans-decl.c (gfc_finish_var_decl): Give scalars that can't be
	aliased a type with a different alias set than the base type.
	(gfc_build_dummy_array_decl): Adjust call to gfc_get_nodesc_array_type.

2009-08-18  Janus Weil  <janus@gcc.gnu.org>
	    Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40870
	* trans-types.c (gfc_get_ppc_type): Include formal args in backend_decl
	using the interface symbol. Character types are returned by reference.
	(gfc_get_derived_type): Prevent infinite recursion loop
	if a PPC has a derived-type formal arg.

2008-08-17  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/41062
	* trans-decl.c (gfc_trans_use_stmts):  Keep going through use
	list if symbol is not use associated.

2009-08-17  Daniel Kraft  <d@domob.eu>

	PR fortran/37425
	* resolve.c (get_checked_tb_operator_target): New routine to do checks
	on type-bound operators in common between intrinsic and user operators.
	(resolve_typebound_intrinsic_op): Call it.
	(resolve_typebound_user_op): Ditto.

2009-08-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/41075
	* scanner.c (gfc_next_char_literal): Add comment to improve 
	readability.
	* io.c (enum format_token): Add FMT_STAR. (format_lex): Add case
	for '*'. (check_format): Check for left paren after '*'.  Change
	format checks to use %L to improve format string error locus.

2009-08-17  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40877
	* array.c (gfc_resolve_character_array_constructor): Add NULL argument
	to gfc_new_charlen.
	* decl.c (add_init_expr_to_sym,variable_decl,match_char_spec,
	gfc_match_implicit): Ditto.
	* expr.c (simplify_const_ref): Fix memory leak.
	(gfc_simplify_expr): Add NULL argument to gfc_new_charlen.
	* gfortran.h (gfc_new_charlen): Modified prototype.
	* iresolve.c (check_charlen_present,gfc_resolve_char_achar): Add NULL
	argument to gfc_new_charlen.
	* module.c (mio_charlen): Ditto.
	* resolve.c (gfc_resolve_substring_charlen,
	gfc_resolve_character_operator,fixup_charlen): Ditto.
	(resolve_fl_derived,resolve_symbol): Add argument to gfc_charlen.
	* symbol.c (gfc_new_charlen): Add argument 'old_cl' (to make a copy of
	an existing charlen).
	(gfc_set_default_type,generate_isocbinding_symbol): Fix memory leak.
	(gfc_copy_formal_args_intr): Add NULL argument to gfc_new_charlen.
	* trans-decl.c (create_function_arglist): Fix memory leak.

2009-08-17  Richard Guenther  <rguenther@suse.de>

	* trans-expr.c (gfc_trans_scalar_assign): Replace hack with
	more proper hack.

2009-08-15  Tobias Burnus  <burnus@net-b.de>

	PR fortran/41080
	* gfortranspec.c (lookup_option): Remove gfortran-specific
	version of -dumpversion.

2009-08-14  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/41070
	* resolve.c (resolve_structure_cons): Make sure that ts.u.derived is
	only used if type is BT_DERIVED.

2009-08-13  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40941
	* gfortran.h (gfc_typespec): Put 'derived' and 'cl' into union.
	* decl.c (build_struct): Make sure 'cl' is only used
	if type is BT_CHARACTER.
	* symbol.c (gfc_set_default_type): Ditto.
	* resolve.c (resolve_symbol, resolve_fl_derived): Ditto.
	(resolve_equivalence,resolve_equivalence_derived): Make sure 'derived'
	is only used if type is BT_DERIVED.
	* trans-io.c (transfer_expr): Make sure 'derived' is only used if type
	is BT_DERIVED or BT_INTEGER (special case: C_PTR/C_FUNPTR).
	* array.c: Mechanical replacements to accomodate union in gfc_typespec.
	* check.c: Ditto.
	* data.c: Ditto.
	* decl.c: Ditto.
	* dump-parse-tree.c: Ditto.
	* expr.c: Ditto.
	* interface.c: Ditto.
	* iresolve.c: Ditto.
	* match.c: Ditto.
	* misc.c: Ditto.
	* module.c: Ditto.
	* openmp.c: Ditto.
	* parse.c: Ditto.
	* primary.c: Ditto.
	* resolve.c: Ditto.
	* simplify.c: Ditto.
	* symbol.c: Ditto.
	* target-memory.c: Ditto.
	* trans-array.c: Ditto.
	* trans-common.c: Ditto.
	* trans-const.c: Ditto.
	* trans-decl.c: Ditto.
	* trans-expr.c: Ditto.
	* trans-intrinsic.c: Ditto.
	* trans-io.c: Ditto.
	* trans-stmt.c: Ditto.
	* trans-types.c: Ditto.

2009-08-13  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40995
	* resolve.c (resolve_symbol): Move some checking code to
	resolve_intrinsic, and call this from here.
	(resolve_intrinsic): Some checking code moved here from resolve_symbol.
	Make sure each intrinsic is only resolved once.

2009-08-12  Tobias Burnus  <burnus@net-b.de>

	PR fortran/41034
	* symbol.c (gfc_copy_attr): Merge bits instead of replace
	bits in gfc_copy_attr.
	* gfc_check_pointer_assign (gfc_check_pointer_assign):
	Initialize ext_attr bits by zero.

2009-08-11  Richard Guenther  <rguenther@suse.de>

	* trans-types.c (gfc_get_derived_type): Do not clear TYPE_CANONICAL.

2009-08-11  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/41022
	* trans-expr.c (gfc_conv_procedure_call): Handle procedure pointer
	components as actual arguments.

2009-08-10  Daniel Kraft  <d@domob.eu>

	PR fortran/37425
	* gfortran.h (struct gfc_namespace): New fields tb_uop_root and tb_op.
	(gfc_find_typebound_user_op): New routine.
	(gfc_find_typebound_intrinsic_op): Ditto.
	(gfc_check_operator_interface): Now public routine.
	* decl.c (gfc_match_generic): Match OPERATOR(X) or ASSIGNMENT(=).
	* interface.c (check_operator_interface): Made public, renamed to
	`gfc_check_operator_interface' accordingly and hand in the interface
	as gfc_symbol rather than gfc_interface so it is useful for type-bound
	operators, too.  Return boolean result.
	(gfc_check_interfaces): Adapt call to `check_operator_interface'.
	* symbol.c (gfc_get_namespace): Initialize new field `tb_op'.
	(gfc_free_namespace): Free `tb_uop_root'-based tree.
	(find_typebound_proc_uop): New helper function.
	(gfc_find_typebound_proc): Use it.
	(gfc_find_typebound_user_op): New method.
	(gfc_find_typebound_intrinsic_op): Ditto.
	* resolve.c (resolve_tb_generic_targets): New helper function.
	(resolve_typebound_generic): Use it.
	(resolve_typebound_intrinsic_op), (resolve_typebound_user_op): New.
	(resolve_typebound_procedures): Resolve operators, too.
	(check_uop_procedure): New, code from gfc_resolve_uops.
	(gfc_resolve_uops): Moved main code to new `check_uop_procedure'.

2009-08-10  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40940
	* decl.c (gfc_match_type_spec): Match CLASS statement and warn about
	missing polymorphism.
	* gfortran.h (gfc_typespec): Add field 'is_class'.
	* misc.c (gfc_clear_ts): Initialize 'is_class' to zero.
	* resolve.c (type_is_extensible): New function to check if a derived
	type is extensible.
	(resolve_fl_variable_derived): Add error checks for CLASS variables.
	(resolve_typebound_procedure): Disallow non-polymorphic passed-object
	dummy arguments, turning warning into error.
	(resolve_fl_derived): Use 'type_is_extensible'. Disallow non-polymorphic
	passed-object dummy arguments for procedure pointer components,
	turning warning into error. Add error check for CLASS components.

2009-08-05  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40955
	* gfortran.h (ext_attr_id_t): Add typedef for this enum.
	(gfc_add_ext_attribute): Use it.
	* decl.c (gfc_match_gcc_attributes): Ditto.
	* expr.c (gfc_check_pointer_assign): Ditto.
	* symbol.c (gfc_add_ext_attribute): Ditto.
	(gfc_copy_attr): Copy also ext_attr.
	* resolve.c (resolve_fl_derived,resolve_symbol): Ditto.
	* module.c (mio_symbol_attribute): Save ext_attr in the mod file.

2009-08-05  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40969
	Revert:
	2009-08-04  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40949
	* trans-types.c (gfc_get_function_type): Fix typelist of
	functions without argument.

2009-08-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40847
	* iresolve.c (gfc_resolve_transfer): Correct error in 'mold'
	character length for case where length expresson is NULL.

2009-08-04  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40949
	* trans-types.c (gfc_get_function_type): Fix typelist of
	functions without argument.

2009-08-04  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40875
	* decl.c (add_init_expr_to_sym): Character symbols can only be
	initialized with character expressions.

2009-08-02  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40881
	* decl.c (match_char_length): Warn about old-style character length
	declarations.
	* match.c (match_arithmetic_if,gfc_match_if): Modify warning message
	for arithmetic if.
	(gfc_match_goto): Warn about computed gotos.
	(gfc_match_return): Warn about alternate return.
	(gfc_match_st_function): Warn about statement functions.
	* resolve.c (resolve_fl_procedure): Modify warning message for
	assumed-length character functions.

2009-08-01  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40011
	* error.c : Add static flag 'warnings_not_errors'.
	(gfc_error): If 'warnings_not_errors' is set, branch to code
	from gfc_warning.
	(gfc_clear_error): Reset 'warnings_not_errors'.
	(gfc_errors_to_warnings): New function.
	* options.c (gfc_post_options): If pedantic and flag_whole_file
	change the latter to a value of 2.
	* parse.c (parse_module): Add module namespace to gsymbol.
	(resolve_all_program_units): New function.
	(clean_up_modules): New function.
	(translate_all_program_units): New function.
	(gfc_parse_file): If whole_file, do not clean up module right
	away and add derived types to namespace derived types. In
	addition, call the three new functions above.
	* resolve.c (not_in_recursive): New function.
	(not_entry_self_reference): New function.
	(resolve_global_procedure): Symbol must not be IFSRC_UNKNOWN,
	procedure must not be in the course of being resolved and
	must return false for the two new functions. Pack away the
	current derived type list before calling gfc_resolve for the
	gsymbol namespace.  It is unconditionally an error if the ranks
	of the reference and ther procedure do not match. Convert
	errors to warnings during call to gfc_procedure_use if not
	pedantic or legacy.
	(gfc_resolve): Set namespace resolved flag to -1 during
	resolution and store current cs_base.
	* trans-decl.c (gfc_get_symbol_decl): If whole_file compilation
	substitute a use associated variable, if it is available in a
	gsymbolnamespace.
	(gfc_get_extern_function_decl): If the procedure is use assoc,
	do not attempt to find it in a gsymbol because it could be an
	interface. If the symbol exists in a module namespace, return
	its backend_decl.
	* trans-expr.c (gfc_trans_scalar_assign): If a derived type
	assignment, set the rhs TYPE_MAIN_VARIANT to that of the rhs.
	* trans-types.c (copy_dt_decls_ifequal): Add 'from_gsym' as a
	boolean argument. Copy component backend_decls directly if the
	components are derived types and from_gsym is true.
	(gfc_get_derived_type): If whole_file copy the derived type from
	the module if it is use associated, otherwise, if can be found
	in another gsymbol namespace, use the existing derived type as
	the TYPE_CANONICAL and build normally.
	* gfortran.h : Add derived_types and resolved fields to
	gfc_namespace. Include prototype for gfc_errors_to_warnings.

2009-07-29  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40898
	* trans-types.c (gfc_get_function_type): Do not add hidden
	string-length argument for BIND(C) procedures.
	* trans-decl.c (create_function_arglist): Skip over nonexisting
	string-length arguments for BIND(C) procedures.

2009-07-28  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/40878
	* openmp.c (gfc_match_omp_clauses): Use gfc_error_now instead of
	gfc_error to diagnose invalid COLLAPSE arguments.

2009-07-28  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40882
	* trans-types.c (gfc_get_ppc_type): For derived types, directly use the
	backend_decl, instead of calling gfc_typenode_for_spec, to avoid
	infinte loop.
	(gfc_get_derived_type): Correctly handle PPCs returning derived types,
	avoiding infinite recursion.

2009-07-27  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40848
	* interface.c (gfc_compare_interfaces): Call 'count_types_test' before
	'generic_correspondence', and only if checking a generic interface.

2009-07-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40851
	* resolve.c (resolve_symbol): Do not initialize pointer derived-types.
	* trans-decl.c (init_intent_out_dt): Ditto.
	(generate_local_decl): No need to set attr.referenced for DT pointers.

2009-07-26  Tobias Burnus  <burnus@net-b.de>

	PR fortran/33197
	* intrinsic.c (make_generic): Remove assert as "atan" can be
	both ISYM_ATAN and ISYM_ATAN2.
	(add_functions): Add two-argument variant of ATAN.
	* intrinsic.h (gfc_check_atan_2): Add check for it.
	* intrinsic.texi (ATAN2): Correct and enhance description.
	(ATAN): Describe two-argument variant of ATAN.

2009-07-25  Tobias Burnus  <burnus@net-b.de>
	    Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/33197
	* intrinsic.c (add_functions): Support complex arguments for
	acos,acosh,asin,asinh,atan,atanh.
	* invoke.texi (ACOS,ACOSH,ASIN,ASINH,ATAN,ATANH): Support
	complex arguments.
	* simplify.c (gfc_simplify_acos,gfc_simplify_acosh,
	gfc_simplify_asin,gfc_simplify_asinh,gfc_simplify_atan,
	gfc_simplify_atanh,gfc_simplify_atan,gfc_simplify_asinh,
	gfc_simplify_acosh,gfc_simplify_atanh): Support
	complex arguments.

2009-07-25  Richard Guenther  <rguenther@suse.de>

	PR fortran/40005
	* trans-types.c (gfc_get_array_type_bounds): Use
	build_distinct_type_copy with a proper TYPE_CANONICAL and
	re-use the type-decl of the original type.
	* trans-decl.c (build_entry_thunks): Signal cgraph we may not
	garbage collect.
	(create_main_function): Likewise.
	(gfc_generate_function_code): Likewise.
	* trans-expr.c (gfc_trans_subcomponent_assign): Do not use
	fold_convert on record types.

2009-07-25  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39630
	* decl.c (match_ppc_decl): Implement the PASS attribute for procedure
	pointer components.
	(match_binding_attributes): Ditto.
	* gfortran.h (gfc_component): Add member 'tb'.
	(gfc_typebound_proc): Add member 'ppc' and make 'pass_arg' const.
	* module.c (MOD_VERSION): Bump module version.
	(binding_ppc): New string constants.
	(mio_component): Only use formal args if component is a procedure
	pointer and add 'tb' member.
	(mio_typebound_proc): Include pass_arg and take care of procedure
	pointer components.
	* resolve.c (update_arglist_pass): Add argument 'name' and take care of
	optional arguments.
	(extract_ppc_passed_object): New function, analogous to
	extract_compcall_passed_object, but for procedure pointer components.
	(update_ppc_arglist): New function, analogous to
	update_compcall_arglist, but for procedure pointer components.
	(resolve_typebound_generic_call): Added argument to update_arglist_pass.
	(resolve_ppc_call, resolve_expr_ppc): Take care of PASS attribute.
	(resolve_fl_derived): Check the PASS argument for procedure pointer
	components.
	* symbol.c (verify_bind_c_derived_type): Reject procedure pointer
	components in BIND(C) types.

2009-07-24  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40822
	* array.c (gfc_resolve_character_array_constructor): Use new function
	gfc_new_charlen.
	* decl.c (add_init_expr_to_sym,variable_decl,match_char_spec,
	gfc_match_implicit): Ditto.
	* expr.c (gfc_simplify_expr): Ditto.
	* gfortran.h (gfc_new_charlen): New prototype.
	* iresolve.c (check_charlen_present,gfc_resolve_char_achar): Use new
	function gfc_new_charlen.
	* module.c (mio_charlen): Ditto.
	* resolve.c (gfc_resolve_substring_charlen,
	gfc_resolve_character_operator,fixup_charlen,resolve_fl_derived,
	resolve_symbol): Ditto.
	* symbol.c (gfc_new_charlen): New function to create a new gfc_charlen
	structure and add it to a namespace.
	(gfc_copy_formal_args_intr): Make sure ts.cl is present
	for CHARACTER variables.

2009-07-24  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/40643
	PR fortran/31067
	* trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc,
	gfc_conv_intrinsic_minmaxval): Handle Infinities and NaNs properly,
	optimize.
	* trans-array.c (gfc_trans_scalarized_loop_end): No longer static.
	* trans-array.h (gfc_trans_scalarized_loop_end): New prototype.

2009-07-23  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/40839
	* io.c (gfc_resolve_dt): Add LOC argument.  Fail if
	dt->io_unit is NULL.  Return FAILURE after issuing error about
	negative UNIT number.
	(match_io_element): Don't segfault if current_dt->io_unit is NULL.
	* gfortran.h (gfc_resolve_dt): Adjust prototype.
	* resolve.c (resolve_code): Adjust caller.

2009-07-22  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40796
	* trans-decl.c (generate_local_decl): Unreferenced result
	variables with allocatable components should be treated like
	INTENT_OUT dummy variables.

2009-07-22  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	* trans.h (gfc_set_decl_assembler_name): New prototype.
	* trans-decl.c (gfc_set_decl_assembler_name): New function.
	(gfc_get_symbol_decl, gfc_get_extern_function_decl,
	build_function_decl): Use gfc_set_decl_assembler_name instead of
	SET_DECL_ASSEMBLER_NAME.
	* trans-common.c (build_common_decl): Use
	gfc_set_decl_assembler_name instead of SET_DECL_ASSEMBLER_NAME.

2009-07-21  Richard Guenther  <rguenther@suse.de>

	PR fortran/40726
	* trans-decl.c (gfc_get_extern_function_decl): Do not set
	DECL_IS_MALLOC for pointer valued functions.
	(build_function_decl): The same.

2009-07-19  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/40727
	* fortran/check.c (gfc_check_cmplx, gfc_check_dcmplx): Add check that
	the optional second argument isn't of COMPLEX type.

2009-07-17  Richard Guenther  <rguenther@suse.de>

	PR c/40401
	* f95-lang.c (gfc_be_parse_file): Do not finalize the CU here.
	* trans-decl.c (gfc_gimplify_function): Remove.
	(build_entry_thunks): Do not gimplify here.
	(create_main_function): Likewise.
	(gfc_generate_function_code): Likewise.

2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
	    Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR 40435 
	* trans-expr.c, trans-array.c, trans-openmp.c, trans-stmt.c,
	trans.c, trans-io.c, trans-decl.c, trans-intrinsic.c: Add location
	argument to fold_{unary,binary,ternary}, fold_build[123],
	build_call_expr, build_size_arg, build_fold_addr_expr,
	build_call_array, non_lvalue, size_diffop,
	fold_build1_initializer, fold_build2_initializer,
	fold_build3_initializer, fold_build_call_array,
	fold_build_call_array_initializer, fold_single_bit_test,
	omit_one_operand, omit_two_operands, invert_truthvalue,
	fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
	combine_comparisons, fold_builtin_*, fold_call_expr,
	build_range_check, maybe_fold_offset_to_address, round_up,
	round_down.

2009-07-15  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40743
	* resolve.c (resolve_symbol): Don't resolve the formal namespace of a
	contained procedure.

2009-07-14  Taras Glek  <tglek@mozilla.com>
	    Rafael Espindola  <espindola@google.com>

	* Make-lang.in (fortran.install-plugin): New target for
	installing plugin headers.

2009-07-13  H.J. Lu  <hongjiu.lu@intel.com>

	* module.c (mio_symbol): Remove the unused variable, formal.

2009-07-13  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40646
	* module.c (mio_symbol): If the symbol has formal arguments,
	the formal namespace will be present.
	* resolve.c (resolve_actual_arglist): Correctly handle 'called'
	procedure pointer components as actual arguments.
	(resolve_fl_derived,resolve_symbol): Make sure the formal namespace
	is present.
	* trans-expr.c (gfc_conv_procedure_call): Correctly handle the formal
	arguments of procedure pointer components.

2009-07-12  Tobias Burnus  <burnus@net-b.de>
	    Philippe Marguinaud <philippe.marguinaud@meteo.fr>

	PR fortran/40588
	* primary.c (match_charkind_name): Fix condition for $ matching.

	PR libfortran/22423
	* libgfortran.h: Typedef the GFC_DTYPE_* enum.

2009-07-11  Tobias Burnus  <burnus@net-b.de>

	PR fortran/33197
	* check.c (gfc_check_fn_rc2008): New function.
	* intrinsic.h (gfc_check_fn_rc2008): New prototype.
	* intrinsic.c (add_functions): Add complex tan, cosh, sinh,
	and tanh.

2009-07-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/39334
	* primary.c (match_kind_param): Return MATCH_NO if the symbol
	has no value.

2008-07-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40629
	* resolve.c (check_host_association):  Use the existing
	accessible symtree and treat function expressions with
	symbols that have procedure flavor.

2009-07-09  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40646
	* dump-parse-tree.c (show_expr): Renamed 'is_proc_ptr_comp'.
	* expr.c (is_proc_ptr_comp): Renamed to 'gfc_is_proc_ptr_comp'.
	(gfc_check_pointer_assign): Renamed 'is_proc_ptr_comp'.
	(replace_comp,gfc_expr_replace_comp): New functions, analogous
	to 'replace_symbol' and 'gfc_expr_replace_symbol', just with components
	instead of symbols.
	* gfortran.h (gfc_expr_replace_comp): New prototype.
	(is_proc_ptr_comp): Renamed to 'gfc_is_proc_ptr_comp'.
	* interface.c (compare_actual_formal): Renamed 'is_proc_ptr_comp'.
	* match.c (gfc_match_pointer_assignment): Ditto.
	* primary.c (gfc_match_varspec): Handle array-valued procedure pointers
	and procedure pointer components. Renamed 'is_proc_ptr_comp'.
	* resolve.c (resolve_fl_derived): Correctly handle interfaces with
	RESULT statement, and handle array-valued procedure pointer components.
	(resolve_actual_arglist,resolve_ppc_call,resolve_expr_ppc): Renamed
	'is_proc_ptr_comp'.
	* trans-array.c (gfc_walk_function_expr): Ditto.
	* trans-decl.c (gfc_get_symbol_decl): Security check for presence of
	ns->proc_name.
	* trans-expr.c (gfc_conv_procedure_call): Handle array-valued procedure
	pointer components. Renamed 'is_proc_ptr_comp'.
	(conv_function_val,gfc_trans_arrayfunc_assign): Renamed
	'is_proc_ptr_comp'.
	(gfc_get_proc_ptr_comp): Do not modify the argument 'e', but instead
	make a copy of it.
	* trans-io.c (gfc_trans_transfer): Handle array-valued procedure
	pointer components.

2009-07-09  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40604
	* intrinsic.c (gfc_convert_type_warn): Set sym->result.
	* trans-expr.c (gfc_conv_procedure_call): Fix -fcheck=pointer
	for optional arguments.

2009-07-08  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40675
	* simplify.c (gfc_simplify_sign): Handle signed zero correctly.
	* trans-intrinsic.c (gfc_conv_intrinsic_sign): Support
	-fno-sign-zero.
	* invoke.texi (-fno-sign-zero): Add text regarding SIGN intrinsic.

2008-07-08  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40591
	* decl.c (match_procedure_interface):  Correct the association
	or creation of the interface procedure's symbol.

2009-07-04  Jakub Jelinek  <jakub@redhat.com>

	* trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): For integer
	maxloc initialize limit to -huge-1 rather than just -huge.

2009-07-04  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40593
	* interface.c (compare_actual_formal): Take care of proc-pointer-valued
	functions as actual arguments.
	* trans-expr.c (gfc_conv_procedure_call): Ditto.
	* resolve.c (resolve_specific_f0): Use the correct ts.

2009-07-02  Michael Matz  <matz@suse.de>

	PR fortran/32131
	* trans-array.c (gfc_conv_descriptor_stride_get): Return
	constant one for strides in the first dimension of ALLOCATABLE
	arrays.

2009-06-30  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40594
	* trans-types.c (gfc_get_derived_type): Bugfix, reverting one hunk from
	r147206.

2009-06-29  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40580
	* trans-expr.c  (gfc_conv_procedure_call): Add -fcheck=pointer check.
	* libgfortran.h: Add GFC_RTCHECK_POINTER.
	* invoke.texi (-fcheck): Document new pointer option.
	* options.c (gfc_handle_runtime_check_option): Handle pointer option.

	* gfortran.texi (C Binding): Improve wording.
	* iso-c-binding.def: Remove obsolete comment.

2009-06-29  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40551
	* dependency.h : Add second bool* argument to prototype of
	gfc_full_array_ref_p.
	* dependency.c (gfc_full_array_ref_p): If second argument is
	present, return true if last dimension of reference is an
	element or has unity stride.
	* trans-array.c : Add NULL second argument to references to
	gfc_full_array_ref_p.
	* trans-expr.c : The same, except for;
	(gfc_trans_arrayfunc_assign): Return fail if lhs reference
	is not a full array or a contiguous section.

2009-06-28  Tobias Burnus  <burnus@net-b.de>
	    Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/34112
	* symbol.c (gfc_add_ext_attribute): New function.
	(gfc_get_sym_tree): New argument allow_subroutine.
	(gfc_get_symbol,gfc_get_ha_sym_tree,gen_cptr_param,gen_fptr_param
	gen_shape_param,generate_isocbinding_symbol): Use it.
	* decl.c (find_special): New argument allow_subroutine.
	(add_init_expr_to_sym,add_hidden_procptr_result,attr_decl1,
	match_procedure_in_type,gfc_match_final_decl): Use it.
	(gfc_match_gcc_attributes): New function.
	* gfortran.texi (Mixed-Language Programming): New section
	"GNU Fortran Compiler Directives".
	* gfortran.h (ext_attr_t): New struct.
	(symbol_attributes): Use it.
	(gfc_add_ext_attribute): New prototype.
	(gfc_get_sym_tree): Update pototype.
	* expr.c (gfc_check_pointer_assign): Check whether call
	convention is the same.
	* module.c (import_iso_c_binding_module, create_int_parameter,
	use_iso_fortran_env_module): Update gfc_get_sym_tree call.
	* scanner.c (skip_gcc_attribute): New function.
	(skip_free_comments,skip_fixed_comments): Use it.
	(gfc_next_char_literal): Support !GCC$ lines.
	* resolve.c (check_host_association): Update
	gfc_get_sym_tree call.
	* match.c (gfc_match_sym_tree,gfc_match_call): Update
	gfc_get_sym_tree call.
	* trans-decl.c (add_attributes_to_decl): New function.
	(gfc_get_symbol_decl,get_proc_pointer_decl,
	gfc_get_extern_function_decl,build_function_decl: Use it.
	* match.h (gfc_match_gcc_attributes): Add prototype.
	* parse.c (decode_gcc_attribute): New function.
	(next_free,next_fixed): Support !GCC$ lines.
	* primary.c (match_actual_arg,check_for_implicit_index,
	gfc_match_rvalue,gfc_match_rvalue): Update
	gfc_get_sym_tree call.

2009-06-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* gfortran.h: Define HAVE_mpc_pow.
	* arith.c (complex_reciprocal, complex_pow): If HAVE_mpc_pow,
	don't define these functions.
	(arith_power): If HAVE_mpc_pow, use mpc_pow.

2009-06-26  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39997
	PR fortran/40541
	* decl.c (add_hidden_procptr_result): Copy the typespec to the hidden
	result.
	* expr.c (gfc_check_pointer_assign): Enable interface check for
	procedure pointer assignments where the rhs is a function returning a
	procedure pointer.
	* resolve.c (resolve_symbol): If an external procedure with unspecified
	return type can not be implicitly typed, it must be a subroutine.

2009-06-24  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40427
	* gfortran.h (gfc_component): New member 'formal_ns'.
	(gfc_copy_formal_args_ppc,void gfc_ppc_use): New.
	* interface.c (gfc_ppc_use): New function, analogous to
	gfc_procedure_use, but for procedure pointer components.
	* module.c (MOD_VERSION): Bump module version.
	(mio_component): Treat formal arguments.
	(mio_formal_arglist): Changed argument from gfc_symbol to
	gfc_formal_arglist.
	(mio_symbol): Changed argument of mio_formal_arglist.
	* resolve.c (resolve_ppc_call,resolve_expr_ppc): Call gfc_ppc_use,
	to check actual arguments and treat formal args correctly.
	(resolve_fl_derived): Copy formal args of procedure pointer components
	from their interface.
	* symbol.c (gfc_copy_formal_args_ppc): New function, analogous to
	gfc_copy_formal_args, but for procedure pointer components.

2009-06-22  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/37254
	PR fortran/39850
	* interface.c (compare_parameter): Set implicit type for function
	actual arguments with BT_UNKNOWN.

2009-06-22  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40472
	PR fortran/50520
	* simplify.c (gfc_simplify_spread): Fix the case that source=
	is a scalar.

2009-06-22  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40443
	* interface.c (gfc_search_interface): Hold back a match to an
	elementary procedure until all other possibilities are
	exhausted.

2009-06-22  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40472
	* simplify.c (gfc_simplify_spread): Restrict the result size to
	the limit for an array constructor.

2009-06-21  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39850
	* interface.c (gfc_compare_interfaces): Take care of implicit typing
	when checking the function attribute. Plus another bugfix.
	(compare_parameter): Set attr.function and attr.subroutine according
	to the usage of a procedure as actual argument.

2009-06-20  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40452
	* trans-decl.c (add_argument_checking): Disable bounds check
	for allowed argument storage association.

2009-06-19  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40440
	* trans-expr.c (gfc_conv_procedure_call): Do not deallocate
	allocatable components if the argument is a pointer.

2009-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* gfortran.h (gfc_expr): Use mpc_t to represent complex numbers.

	* arith.c, dump-parse-tree.c, expr.c, module.c, resolve.c,
	simplify.c, target-memory.c, target-memory.h, trans-const.c,
	trans-expr.c: Convert to mpc_t throughout.

2009-06-19  Ian Lance Taylor  <iant@google.com>

	* cpp.c (struct gfc_cpp_option_data): Give this struct, used for
	the global variable gfc_cpp_option, a name.

2009-06-19  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40450
	* trans-expr.c (gfc_conv_procedure_call): Only add an extra addr_expr
	to a procedure pointer actual argument, if it is not itself a
	dummy arg.

2009-06-18  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40451
	* resolve.c (resolve_contained_fntype): Prevent implicit typing for
	procedures with explicit interface.
	* symbol.c (gfc_check_function_type): Ditto.

2009-06-16  Ian Lance Taylor  <iant@google.com>

	* decl.c (build_struct): Rewrite loop over constructor elements.

2009-06-16  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36947
	PR fortran/40039
	* expr.c (gfc_check_pointer_assign): Call 'gfc_compare_interfaces' with
	error message.
	* gfortran.h (gfc_compare_interfaces): Additional argument.
	* interface.c (operator_correspondence): Removed.
	(gfc_compare_interfaces): Additional argument to return error message.
	Directly use the code from 'operator_correspondence' instead of calling
	the function. Check for OPTIONAL. Some rearrangements.
	(check_interface1): Call 'gfc_compare_interfaces' without error message.
	(compare_parameter): Call 'gfc_compare_interfaces' with error message.
	* resolve.c (check_generic_tbp_ambiguity): Call 'gfc_compare_interfaces'
	without error message.

2009-06-16  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40383
	* trans-decl.c (create_function_arglist): Copy formal charlist to
	have a proper passed_length for -fcheck=bounds.

2009-06-12  Steven G. Kargl  <kargls@comcast.net>

	* arith.c (gfc_enum_initializer): Move function ...
	* decl.c: ... here.  Remove gfc_ prefix and make static.
	(enumerator_decl): Update function call.
	* gfortran.h:  Remove gfc_enum_initializer prototype.

2009-06-12  Aldy Hernandez  <aldyh@redhat.com>

	* trans-array.c (gfc_trans_allocate_array_storage): Pass
	location on down.
	(gfc_trans_array_constructor_value): Same.
	(gfc_trans_scalarized_loop_end): Same.
	(gfc_conv_ss_startstride): Same.
	(gfc_trans_g77_array): Same.
	(gfc_trans_dummy_array_bias): Same.
	(gfc_conv_array_parameter): Same.
	(structure_alloc_comps): Same.
	* trans-expr.c (gfc_conv_function_call): Same.
	(fill_with_spaces): Same.
	(gfc_trans_string_copy): Same.
	(gfc_trans_scalar_assign): Same.
	* trans-stmt.c (gfc_trans_goto): Same.
	(gfc_trans_if_1): Same.
	(gfc_trans_simple_do): Same.
	(gfc_trans_do): Same.
	(gfc_trans_do_while): Same.
	(gfc_trans_logical_select): Same.
	(gfc_trans_select): Same.
	(gfc_trans_forall_loop): Same.
	(gfc_trans_nested_forall_loop): Same.
	(generate_loop_for_temp_to_lhs): Same.
	(generate_loop_for_rhs_to_temp): Same.
	(gfc_trans_forall_1): Same.
	(gfc_trans_where_assign): Same.
	(gfc_trans_where_3): Same.
	(gfc_trans_allocate): Same.
	* trans.c (gfc_finish_block): Same.
	(gfc_trans_runtime_check): Same.
	(gfc_call_malloc): Same.
	(gfc_allocate_with_status): Same.
	(gfc_call_free): Same.
	(gfc_deallocate_with_status): Same.
	(gfc_call_realloc): Same.
	(gfc_trans_code): Same.
	* trans-decl.c (gfc_init_default_dt): Same.
	(gfc_generate_constructors): Same.
	* trans-io.c (gfc_trans_io_runtime_check): Same.
	* trans-intrinsic.c (gfc_conv_intrinsic_ctime): Same.
	(gfc_conv_intrinsic_fdate): Same.
	(gfc_conv_intrinsic_ttynam): Same.
	(gfc_conv_intrinsic_minmax): Same.
	(gfc_conv_intrinsic_minmax_char): Same.
	(gfc_conv_intrinsic_anyall): Same.
	(gfc_conv_intrinsic_count): Same.
	(gfc_conv_intrinsic_arith): Same.
	(gfc_conv_intrinsic_minmaxloc): Same.
	(gfc_conv_intrinsic_minmaxval): Same.
	(gfc_conv_intrinsic_rrspacing): Same.
	(gfc_conv_intrinsic_array_transfer): Same.
	(gfc_conv_intrinsic_trim): Same.
	(gfc_conv_intrinsic_repeat): Same.
	
2009-06-12  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40176
	* resolve.c (resolve_symbol): Additional error check, preventing an
	infinite loop.

2009-06-11  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40402
	* resolve.c (next_data_value): It is an error if the value is
	not constant.

2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/38718
	* intrinsic.c (add_functions): Add simplifiers for ISNAN,
	IS_IOSTAT_END and IS_IOSTAT_EOR.
	* intrinsic.h (gfc_simplify_is_iostat_end, gfc_simplify_is_iostat_eor,
	gfc_simplify_isnan): New prototypes.
	* intrinsic.c (gfc_simplify_is_iostat_end, gfc_simplify_is_iostat_eor,
	gfc_simplify_isnan): New functions.

2009-06-11  Jakub Jelinek  <jakub@redhat.com>

	* interface.c (fold_unary): Rename to...
	(fold_unary_intrinsic): ... this.
	(gfc_extend_expr): Adjust caller.
	(gfc_match_generic_spec): Likewise.  Initialize *op to INTRINSIC_NONE
	to avoid warnings.
	* expr.c (gfc_simplify_expr): Initialize start and end before calling
	gfc_extract_int.

2009-06-10  Dave Korn  <dave.korn.cygwin@gmail.com>

	* trans-decl.c (create_main_function):  Don't build main decl twice.

2009-06-09  Tobias Burnus  <burnus@net-b.de>

	* trans-decl.c (gfc_generate_function_code): Use gfc_option.rtcheck
	instead of flag_bounds_check.
	* intrinsic.texi (ISO_FORTRAN_ENV): Document INT{8,16,32,64} and
	REAL{32,64,128}.

2009-06-08  Paul Thomas  <pault@gcc.gnu.org>

	* trans-array.h : Replace prototypes for
	gfc_conv_descriptor_offset, gfc_conv_descriptor_stride,
	gfc_conv_descriptor_lbound, gfc_conv_descriptor_ubound with new
	prototypes of the same names with _get or _set appended.
	* trans-array.c : Make the originals of the above static and
	new functions for the _get and _set functions. Update all the
	references to these descriptor access functions.
	* trans-expr.c : Update references to the above descriptor
	access functions.
	* trans-intrinsic.c : The same.
	* trans-openmp.c : The same.
	* trans-stmt.c : The same.

2009-06-08  Alexandre Oliva  <aoliva@redhat.com>

	* options.c (gfc_post_options): Disable dump_parse_tree
	during -fcompare-debug-second.

2009-06-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/40008
	* gfortran.h (gfc_open): Add newunit expression to structure.
	* io.c (io_tag): Add new unit tag and fix whitespace.
	(match_open_element): Add matching for newunit.
	(gfc_free_open): Free the newunit expression.
	(gfc_resolve_open): Add newunit to resolution and check constraints.
	(gfc_resolve_close): Add check for non-negative unit.
	(gfc_resolve_filepos): Likewise.
	(gfc_resolve_dt): Likewise.
	* trans-io.c (set_parameter_value): Build runtime checks for unit
	numbers within range of kind=4 integer. (gfc_trans_open) Set the
	newunit parameter.
	* ioparm.def (IOPARM): Define the newunit parameter as a pointer
	to GFC_INTEGER_4, pint4.

2009-06-07  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/25104
	PR fortran/29962
	* array.c (gfc_append_constructor): Added NULL-check.
	* check.c (gfc_check_spread): Check DIM.
	(gfc_check_unpack): Check that the ARRAY arguments provides enough
	values for MASK.
	* intrinsic.h (gfc_simplify_spread): New prototype.
	(gfc_simplify_unpack): Likewise.
	* intrinsic.c (add_functions): Added new simplifier callbacks.
	* simplify.c (gfc_simplify_spread): New.
	(gfc_simplify_unpack): New.
	* expr.c (check_transformational): Allow additional transformational
	intrinsics in initialization expression.

2009-06-07  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/25104
	PR fortran/29962
	* check.c (gfc_check_all_any): Check rank of DIM.
	(gfc_check_count): Likewise.
	* intrinsic.h (gfc_simplify_all): New prototype.
	(gfc_simplify_any): Likewise.
	(gfc_simplify_count): Likewise.
	(gfc_simplify_sum): Likewise.
	(gfc_simplify_product): Likewise.
	* intrinsic.c (add_functions): Added new simplifier callbacks.
	* simplify.c (transformational_result): New.
	(simplify_transformation_to_scalar): New.
	(simplify_transformation_to_array): New.
	(gfc_count): New.
	(gfc_simplify_all): New.
	(gfc_simplify_any): New.
	(gfc_simplify_count): New.
	(gfc_simplify_sum): New.
	(gfc_simplify_product): New.
	* expr.c (check_transformational): Allow additional transformational
	intrinsics in initialization expression.

2009-06-07  Daniel Franke  <franke.daniel@gmail.com>

	* check.c (dim_rank_check): Return SUCCESS if DIM=NULL.
	(gfc_check_lbound): Removed (now) redundant check for DIM=NULL.
	(gfc_check_minloc_maxloc): Likewise.
	(check_reduction): Likewise.
	(gfc_check_size): Likewise.
	(gfc_check_ubound): Likewise.
	(gfc_check_cshift): Added missing shape-conformance checks.
	(gfc_check_eoshift): Likewise.
	* gfortran.h (gfc_check_conformance): Modified prototype to printf-style.
	* expr.c (gfc_check_conformance): Accept error-message chunks in 
	printf-style. Changed all callers.


2009-06-07  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/25104
	PR fortran/29962
	* intrinsic.h (gfc_simplify_dot_product): New prototype.
	(gfc_simplify_matmul): Likewise.
	(gfc_simplify_transpose): Likewise.
	* intrinsic.c (add_functions): Added new simplifier callbacks.
	* simplify.c (init_result_expr): New.
	(compute_dot_product): New.
	(gfc_simplify_dot_product): New.
	(gfc_simplify_matmul): New.
	(gfc_simplify_transpose): New.
	* expr.c (check_transformational): Allow transformational intrinsics
	with simplifier in initialization expression.

2009-06-06  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/37203
	* simplify.c (gfc_simplify_reshape): Fixed reshaping of empty arrays
	without padding.

2009-06-06  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/32890
	* intrinsic.h (gfc_simplify_pack): New prototype.
	* intrinsic.c (add_functions): Added
	simplifier-callback to PACK.
	* simplify.c (is_constant_array_expr): Moved
	to beginning of file.
	(gfc_simplify_pack): New.
	* check.c (gfc_check_pack): Check that VECTOR has enough elements.
	Added safeguards for empty arrays.

2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* simplify.c (call_mpc_func): Use mpc_realref/mpc_imagref
	instead of MPC_RE/MPC_IM.

2009-06-05  Alexandre Oliva  <aoliva@redhat.com>

	* trans-decl.c (gfc_build_qualified_array): Don't skip generation
	of range types.
	* trans.h (struct lang_type): Add base_decls.
	(GFC_TYPE_ARRAY_BASE_DECL): New.
	* trans-types.c (gfc_get_array_type_bounds): Initialize base decls
	proactively and excessively.
	(gfc_get_array_descr_info): Use existing base decls if available.

2009-06-04  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/37203
	* check.c (gfc_check_reshape): Additional checks for the
	SHAPE and ORDER arguments.
	* simplify.c (gfc_simplify_reshape): Converted argument checks
	to asserts.

2009-06-03  Tobias Burnus  <burnus@net-b.de>

	* gfortran.texi: Add mixed-language programming, mention
	varying string lengths, some clean up of introduction parts.
	* intrinsic.texi (instrinsic modules): Create @menu for subsections.
	(ISO_C_BINDING): Support ISOCBINDING_INT_FAST128_T.
	* libgfortran.h: Comment to rember to keep gfortran.texi in sync.
	* iso-c-binding.def: Support ISOCBINDING_INT_FAST128_T.

2009-06-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
	    Tobias Burnus  <burnus@net-b.de>

	* iso-c-binding.def: Use INTMAX_TYPE instead of intmax_type_node.
	* trans-types.c (init_c_interop_kinds): Remove intmax_type_node.

2009-06-03  Alexandre Oliva  <aoliva@redhat.com>

	* module.c (mio_f2k_derived): Initialize cur.

2009-06-01  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40309
	* trans-decl.c (gfc_sym_identifier): Use "MAIN__" for PROGRAM "main".
	(create_main_function): Set main_identifier_node.

2009-05-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/40019
	* trans-types.c (gfc_build_uint_type): Make nonstatic.
	* trans.h (gfor_fndecl_clz128, gfor_fndecl_ctz128): New prototypes.
	* trans-types.h (gfc_build_uint_type): Add prototype.
	* trans-decl.c (gfc_build_intrinsic_function_decls): Build
	gfor_fndecl_clz128 and gfor_fndecl_ctz128.
	* trans-intrinsic.c (gfc_conv_intrinsic_leadz,
	gfc_conv_intrinsic_trailz): Call the right builtins or library
	functions, and cast arguments to unsigned types first.
	* simplify.c (gfc_simplify_leadz): Deal with negative arguments.

2009-05-27  Ian Lance Taylor  <iant@google.com>

	* Make-lang.in (gfortran$(exeext)): Change $(COMPILER) to
	$(LINKER).
	(f951$(exeext)): Likewise.

2009-05-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40270
	* trans-decl.c (create_main_function): Mark MAIN__ and
	argc/argv as TREE_USED and push/pop function_decl context
	if needed.

2009-05-26  Tobias Burnus  <burnus@net-b.de>

	PR fortran/39178
	* gfortranspec.c (lang_specific_driver): Stop linking
	libgfortranbegin.
	* trans-decl.c (gfc_build_builtin_function_decls): Stop
	making MAIN__ publicly visible.
	(gfc_build_builtin_function_decls): Add
	gfor_fndecl_set_args.
	(create_main_function) New function.
	(gfc_generate_function_code): Use it.

2009-05-26  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40246
	* match.c (gfc_match_nullify): NULLify freed pointer.

2009-05-26  Ian Lance Taylor  <iant@google.com>

	* Make-lang.in (gfortranspec.o): Use $(COMPILER).
	(gfortran$(exeext), f951$(exeext), fortran/cpp.o): Likewise.

2009-05-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* gfortran.h (GFC_MPC_RND_MODE): New.
	* simplify.c (call_mpc_func): New helper function.
	(gfc_simplify_cos, gfc_simplify_exp, gfc_simplify_log,
	gfc_simplify_sin, gfc_simplify_sqrt): Add MPC support.

2009-05-25  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40176
	* primary.c (gfc_match_varspec): Handle procedure pointer components
	with array return value.
	* resolve.c (resolve_expr_ppc): Ditto.
	(resolve_symbol): Make sure the interface of a procedure pointer has
	been resolved.
	* trans-array.c (gfc_walk_function_expr): Handle procedure pointer
	components with array return value.
	* trans-expr.c (gfc_conv_component_ref,gfc_conv_procedure_call,
	gfc_trans_arrayfunc_assign): Ditto.
	(gfc_trans_pointer_assignment): Handle procedure pointer assignments,
	where the rhs is a dummy argument.
	* trans-types.c (gfc_get_ppc_type,gfc_get_derived_type): Handle
	procedure pointer components with array return value.

2009-05-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
	    Dominique Dhumieres

	PR fortran/35732
	PR fortran/39872
	* trans-array.c (gfc_conv_ss_startstride): Add one to index.

2009-05-22  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/40195
	* module.c (read_md5_from_module_file): Close file before returning.

2009-05-18  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40164
	* primary.c (gfc_match_rvalue): Handle procedure pointer components in
	arrays.
	* resolve.c (resolve_ppc_call,resolve_expr_ppc): Resolve component and
	array references.
	(resolve_fl_derived): Procedure pointer components are not required to
	have constant array bounds in their return value.

2009-05-18  Janus Weil  <janus@gcc.gnu.org>

	* intrinsic.c (add_sym): Fix my last commit (r147655),
	which broke bootstrap.

2009-05-18  Richard Guenther  <rguenther@suse.de>

	PR fortran/40168
	* trans-expr.c (gfc_trans_zero_assign): For local array
	destinations use an assignment from an empty constructor.

2009-05-18  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36947
	PR fortran/40039
	* expr.c (gfc_check_pointer_assign): Check intents when comparing
	interfaces.
	* gfortran.h (typedef struct gfc_intrinsic_arg): Add 'intent' member.
	(gfc_compare_interfaces): Additional argument.
	* interface.c (operator_correspondence): Add check for equality of
	intents, and new argument 'intent_check'.
	(gfc_compare_interfaces): New argument 'intent_check', which is passed
	on to operator_correspondence.
	(check_interface1): Don't check intents when comparing interfaces.
	(compare_parameter): Do check intents when comparing interfaces.
	* intrinsic.c (add_sym): Add intents for arguments of intrinsic
	procedures.
	(add_sym_1,add_sym_1s,add_sym_1m,add_sym_2,add_sym_2s,add_sym_3,
	add_sym_3ml,add_sym_3red,add_sym_3s,add_sym_4): Use INTENT_IN by
	default.
	(add_sym_1_intent,add_sym_1s_intent,add_sym_2s_intent,add_sym_3s_intent)
	: New functions to add intrinsic symbols, specifying custom intents.
	(add_sym_4s,add_sym_5s): Add new arguments to specify intents.
	(add_functions,add_subroutines): Add intents for various intrinsics.
	* resolve.c (check_generic_tbp_ambiguity): Don't check intents when
	comparing interfaces.
	* symbol.c (gfc_copy_formal_args_intr): Copy intent.

2009-05-17  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	* iso-fortran-env.def: Define INT8, INT16, INT32, INT64, REAL32,
	REAL64 and REAL128.
	* gfortran.h (gfc_get_int_kind_from_width_isofortranenv,
	gfc_get_real_kind_from_width_isofortranenv): New prototypes.
	* iso-c-binding.def: Update definitions for the INT*_T,
	INT_LEAST*_T and INT_FAST*_T named parameters.
	* trans-types.c (get_typenode_from_name, get_int_kind_from_name,
	gfc_get_real_kind_from_width_isofortranenv): New functions.

2009-05-17  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/36260
	* intrinsic.c (add_functions, add_subroutines): Fix argument
	names and wrap long lines.
	* intrinsic.texi: Fix documentation and argument names of
	LOG_GAMMA, DATAN2, DBESJN, DTIME, ETIME, FSTAT, STAT, LSTAT,
	GET_COMMAND, IDATE, LTIME, MOVE_ALLOC, NINT, OR, PRODUCT,
	SUM, RAND, RANDOM_SEED, REAL, SELECTED_INT_KIND,
	SELECTED_REAL_KIND and XOR.

2009-05-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/33197
	* intrinsic.c (add_functions): Use ERFC_SCALED simplification.
	* intrinsic.h (gfc_simplify_erfc_scaled): New prototype.
	* simplify.c (fullprec_erfc_scaled, asympt_erfc_scaled,
	gfc_simplify_erfc_scaled): New functions.

2009-05-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/31243
	* resolve.c (resolve_substring): Don't allow too large substring
	indexes.
	(gfc_resolve_substring_charlen): Fix typo.
	(gfc_resolve_character_operator): Fix typo.
	(resolve_charlen): Catch unreasonably large string lengths.
	* simplify.c (gfc_simplify_len): Don't error out on LEN
	range checks.

2009-05-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/36031
	* decl.c (set_enum_kind): Use global short-enums flag.
	* gfortran.h (gfc_option_t): Remove short_enums flag.
	* lang.opt (-fshort-enums): Refer to C documentation.
	* options.c (gfc_init_options, gfc_handle_option): Use global
	short-enums flag.

2009-05-15  Tobias Burnus  <burnus@net-b.de>

	PR fortran/39352
	* f95-lang.c: Add gfc_maybe_initialize_eh.
	* gfortran.h: Add gfc_maybe_initialize_eh prototype.
	* Make-lang.in: Add new .h dendencies for f95-lang.c
	* openmp.c (resolve_omp_do): Call gfc_maybe_initialize_eh.
	* misc.c (gfc_free): Avoid #define trickery for free.

2009-05-14  Steven G. Kargl  <kargl@gcc.gnu.org>

	* dump-parse-tree.c (show_code_node): Add ERRMSG to the dumping
	of allocate and deallocate statements.

2009-05-14  Ian Lance Taylor  <iant@google.com>

	* decl.c (match_attr_spec): Change d to unsigned int.
	* dump-parse-tree.c (show_namespace): Change op to int.  Add cast.
	* interface.c (gfc_check_interfaces): Change i to int.  Add casts.
	* module.c (read_module): Change i to int.  Add cast.
	(write_module): Change i to int.
	* symbol.c (gfc_get_namespace): Change in to int.
	(gfc_free_namespace): Change i to int.
	* trans-io.c (gfc_build_io_library_fndecls): Change ptype to
	unsigned int.  Add cast.
	* trans-types.c (gfc_init_kinds): Change mode to unsigned int.
	Add casts.

2009-05-14  Daniel Kraft  <d@domob.eu>

	PR fortran/40045
	* dump-parse-tree.c (show_typebound): Fix missing adaption to new
	type-bound procedure storage structure.

2009-05-14  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39996
	* decl.c (gfc_match_function_decl): Use gfc_add_type.
	* symbol.c (gfc_add_type): Better checking for duplicate types in
	function declarations. And: Always give an error for duplicte types,
	not just a warning with -std=gnu.

2009-05-14  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/39865
	* io.c (resolve_tag_format): CHARACTER array in FMT= argument
	isn't an extension.  Reject non-CHARACTER array element of
	assumed shape or pointer or assumed size array.
	* trans-array.c (array_parameter_size): New function.
	(gfc_conv_array_parameter): Add size argument.  Call
	array_parameter_size if it is non-NULL.
	* trans-array.h (gfc_conv_array_parameter): Adjust prototype.
	* trans-expr.c (gfc_conv_function_call, gfc_trans_arrayfunc_assign):
	Adjust callers.
	* trans-intrinsic.c (gfc_conv_intrinsic_loc): Likewise.
	* trans-io.c (gfc_convert_array_to_string): Rewritten.

2009-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>

	* gfortran.h (gfc_code): Rename struct member expr to expr1.
	* openmp.c (resolve_omp_atomic): Update expr to expr1.
	* interface.c (gfc_extend_assign): Ditto.
	* trans-expr.c (gfc_conv_expr_reference, gfc_trans_assignment,
	gfc_trans_init_assign): Ditto.
	* dump-parse-tree.c (show_code_node): Ditto.
	* trans-openmp.c (gfc_trans_omp_atomic): Ditto.
	* trans-stmt.c ( gfc_trans_label_assign, gfc_trans_goto, gfc_trans_call,
	gfc_trans_return, gfc_trans_pause, gfc_trans_stop, gfc_trans_if_1,
	gfc_trans_arithmetic_if, gfc_trans_do_while, gfc_trans_integer_select,
	gfc_trans_logical_select, gfc_trans_character_select
	forall_make_variable_temp, check_forall_dependencies
	gfc_trans_forall_1, gfc_trans_where_2, gfc_trans_where_3
	gfc_trans_where, gfc_trans_allocate, gfc_trans_deallocate): Ditto.
	* io.c (match_io_element, gfc_match_inquire): Ditto.
	* resolve.c (resolve_typebound_call, resolve_ppc_call,
	resolve_allocate_expr, resolve_allocate_deallocate, resolve_select,
	resolve_transfer, resolve_where, gfc_resolve_assign_in_forall,
	gfc_resolve_blocks, resolve_code, build_init_assign): Ditto.
	* st.c (gfc_free_statement): Ditto.
	* match.c (gfc_match_assignment, gfc_match_pointer_assignment,
	match_arithmetic_if, gfc_match_if, gfc_match_elseif
	gfc_match_stopcode, gfc_match_assign, gfc_match_goto,
	gfc_match_nullify, match_typebound_call, gfc_match_call
	gfc_match_select, match_simple_where, gfc_match_where
	gfc_match_elsewhere, match_simple_forall, gfc_match_forall): Ditto.
	* trans-io.c (gfc_trans_transfer): Ditto.
	* parse.c (parse_where_block, parse_if_block): Ditto.

2009-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>

	* gfortran.h (gfc_code): Rename struct member label to label1.
	* dump-parse-tree.c (show_code_node): Update symbol.
	* trans-stmt.c (gfc_trans_label_assign, gfc_trans_goto,
	gfc_trans_arithmetic_if): Ditto.
	* resolve.c (gfc_resolve_blocks, resolve_code): Ditto.
	* match.c (match_arithmetic_if, gfc_match_if, gfc_reference_st_label,
	gfc_match_assign, gfc_match_goto): Ditto.
	* parse.c (parse_do_block): Ditto.

2009-05-13  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34153
	* gfortran.h (gfc_exec_op): Add EXEC_END_PROCEDURE.
	* dump-parse-tree.c (show_code_node): Use EXEC_END_PROCEDURE.
	* trans.c (gfc_trans_code): Ditto.
	* resolve.c (resolve_code): Ditto.
	* st.c (gfc_free_statement): Ditto.
	* parse.c (accept_statement): Ditto.

2009-05-12  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40110
	* decl.c (gfc_match_kind_spec): Turn C kind error into a warning.

2009-05-11  Steve Ellcey  <sje@cup.hp.com>

	* resolve.c (check_host_association): Initialize tail.

2009-05-11  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40089
	* resolve.c (resolve_fl_derived): Only return FAILURE if
	gfc_notify_std fails.

2009-05-10  Ian Lance Taylor  <iant@google.com>

	* gfortran.h (enum gfc_omp_sched_kind): New enum, broken out of
	gfc_omp_clauses.
	(enum gfc_omp_default_sharing): Likewise.
	* module.c (enum gfc_rsym_state): New enum, broken out of
	pointer_info.
	(enum gfc_wsym_state): Likewise.
	* parse.c (enum state_order): New enum, broken out of st_state.

2009-05-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/40018
	* trans-array.c (gfc_trans_array_constructor_value): Fold
	convert numeric constants.
	(gfc_build_constant_array_constructor): The same.

2009-05-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38863
	* trans-expr.c (gfc_conv_operator_assign): Remove function.
	* trans.h : Remove prototype for gfc_conv_operator_assign.
	* trans-stmt.c (gfc_conv_elemental_dependencies): Initialize
	derivde types with intent(out).
	(gfc_trans_call): Add mask, count1 and invert arguments. Add
	code to use mask for WHERE assignments.
	(gfc_trans_forall_1): Use new arguments for gfc_trans_call.
	(gfc_trans_where_assign): The gfc_symbol argument is replaced
	by the corresponding code. If this has a resolved_sym, then
	gfc_trans_call is called. The call to gfc_conv_operator_assign
	is removed.
	(gfc_trans_where_2): Change the last argument in the call to
	gfc_trans_where_assign.
	* trans-stmt.h : Modify prototype for gfc_trans_call.
	* trans.c (gfc_trans_code): Use new args for gfc_trans_call.

2009-05-08  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39876
	* intrinsic.c (gfc_is_intrinsic): Do not add the EXTERNAL attribute if
	the symbol is a module procedure.

2009-05-08  Tobias Burnus  <burnus@net-b.de>

	* invoke.texi: Add do/recursion to the -fcheck= summary.

2009-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/38830
	* gfortran.texi: Document that we don't support variable FORMAT
	expressions.

2009-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/39576
	* error.c (error_print): Add missing break statement.

2009-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/36382
	* invoke.texi: Document that -fdollar-ok does not allow $ to be
	used in IMPLICIT statement.

2009-05-06  Janus Weil  <janus@gcc.gnu.org>
	    Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/39630
	* decl.c (match_procedure_interface): New function to match the
	interface for a PROCEDURE statement.
	(match_procedure_decl): Call match_procedure_interface.
	(match_ppc_decl): New function to match the declaration of a
	procedure pointer component.
	(gfc_match_procedure):  Call match_ppc_decl.
	(match_binding_attributes): Add new argument 'ppc' and handle the
	POINTER attribute for procedure pointer components.
	(match_procedure_in_type,gfc_match_generic): Added new argument to
	match_binding_attributes.
	* dump-parse-tree.c (show_expr,show_components,show_code_node): Handle
	procedure pointer components.
	* expr.c (free_expr0,gfc_copy_expr,gfc_simplify_expr): Handle EXPR_PPC.
	(gfc_check_pointer_assign): Handle procedure pointer components, but no
	full checking yet.
	(is_proc_ptr_comp): New function to determine if an expression is a
	procedure pointer component.
	* gfortran.h (expr_t): Add EXPR_PPC.
	(symbol_attribute): Add new member 'proc_pointer_comp'.
	(gfc_component): Add new member 'formal'.
	(gfc_exec_op): Add EXEC_CALL_PPC.
	(gfc_get_default_type): Changed first argument.
	(is_proc_ptr_comp): Add prototype.
	(gfc_match_varspec): Add new argument.
	* interface.c (compare_actual_formal): Handle procedure pointer
	components.
	* match.c (gfc_match_pointer_assignment,match_typebound_call): Handle
	procedure pointer components.
	* module.c (mio_expr): Handle EXPR_PPC.
	* parse.c (parse_derived): Handle procedure pointer components.
	* primary.c (gfc_match_varspec): Add new argument 'ppc_arg' and handle
	procedure pointer components.
	(gfc_variable_attr): Handle procedure pointer components.
	(gfc_match_rvalue): Added new argument to gfc_match_varspec and changed
	first argument of gfc_get_default_type.
	(match_variable): Added new argument to gfc_match_varspec.
	* resolve.c (resolve_entries,set_type,resolve_fl_parameter): Changed
	first argument of gfc_get_default_type.
	(resolve_structure_cons,resolve_actual_arglist): Handle procedure
	pointer components.
	(resolve_ppc_call): New function to resolve a call to a procedure
	pointer component (subroutine).
	(resolve_expr_ppc): New function to resolve a call to a procedure
	pointer component (function).
	(gfc_resolve_expr): Handle EXPR_PPC.
	(resolve_code): Handle EXEC_CALL_PPC.
	(resolve_fl_derived): Copy the interface for a procedure pointer
	component.
	(resolve_symbol): Fix overlong line.
	* st.c (gfc_free_statement): Handle EXEC_CALL_PPC.
	* symbol.c (gfc_get_default_type): Changed first argument.
	(gfc_set_default_type): Changed first argument of gfc_get_default_type.
	(gfc_add_component): Initialize ts.type to BT_UNKNOWN.
	* trans.h (gfc_conv_function_call): Renamed.
	* trans.c (gfc_trans_code): Handle EXEC_CALL_PPC.
	* trans-expr.c (gfc_conv_component_ref): Ditto.
	(gfc_conv_function_val): Rename to 'conv_function_val', add new
	argument 'expr' and handle procedure pointer components.
	(gfc_conv_operator_assign): Renamed gfc_conv_function_val.
	(gfc_apply_interface_mapping_to_expr): Handle EXPR_PPC.
	(gfc_conv_function_call): Rename to 'gfc_conv_procedure_call', add new
	argument 'expr' and handle procedure pointer components.
	(gfc_get_proc_ptr_comp): New function to get the backend decl for a
	procedure pointer component.
	(gfc_conv_function_expr): Renamed gfc_conv_function_call.
	(gfc_conv_structure): Handle procedure pointer components.
	* trans-intrinsic.c (gfc_conv_intrinsic_funcall,
	conv_generic_with_optional_char_arg): Renamed gfc_conv_function_call.
	* trans-stmt.h (gfc_get_proc_ptr_comp): Add prototype.
	* trans-stmt.c (gfc_trans_call): Renamed gfc_conv_function_call.
	* trans-types.h (gfc_get_ppc_type): Add prototype.
	* trans-types.c (gfc_get_ppc_type): New function to build a tree node
	for a procedure pointer component.
	(gfc_get_derived_type): Handle procedure pointer components.

2009-05-06  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40041
	* resolve.c (resolve_symbol): Print no warning for implicitly
	typed intrinsic functions.

2009-05-05  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39998
	* expr.c (gfc_check_pointer_assign): Check for statement functions and
	internal procedures in procedure pointer assignments.

2009-04-28  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39946
	* resolve.c (resolve_symbol): Correctly copy the interface of a
	PROCEDURE statement if the interface involves a RESULT variable.

2009-04-28  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39930
	PR fortran/39931
	* expr.c (gfc_check_pointer_assign): Correctly detect if the left hand
	side is a pointer.
	* parse.c (gfc_fixup_sibling_symbols): Don't check for ambiguity.

2009-04-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/39879
	* trans_expr.c (gfc_conv_procedure_call): Deep copy a derived
	type parentheses argument if it is a variable with allocatable
	components.

2009-04-27  Ian Lance Taylor  <iant@google.com>

	* trans-intrinsic.c (DEFINE_MATH_BUILTIN): Add casts to enum
	type.
	* trans-io.c (st_parameter_field): Add casts to enum type.

2009-04-26  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/39893
	fortran/data.c (gfc_assign_data_value): If the lvalue is an 
	assumed character length entity in a data statement, then 
	return FAILURE to prevent segmentation fault.

2009-04-26  Jakub Jelinek  <jakub@redhat.com>

	* trans-decl.c: Include pointer-set.h.
	(nonlocal_dummy_decl_pset, tree nonlocal_dummy_decls): New variables.
	(gfc_nonlocal_dummy_array_decl): New function.
	(gfc_get_symbol_decl): Call it for non-local dummy args with saved
	descriptor.
	(gfc_get_symbol_decl): Set DECL_BY_REFERENCE when needed.
	(gfc_generate_function_code): Initialize nonlocal_dummy_decl{s,_pset},
	chain it to outermost block's vars, destroy it afterwards.
	* Make-lang.in (trans-decl.o): Depend on pointer-set.h.

2009-04-25  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39688
	* decl.c (gfc_match_import): Use 'sym->name' instead of 'name'.
	They differ if the symbol has been use-renamed.

2009-04-24  Ian Lance Taylor  <iant@google.com>

	* gfortran.h (enum gfc_symbol_type): New named enum type, broken
	out of struct gfc_symbol.
	(struct gfc_symbol): Use enum gfc_symbol_type.
	(enum gfc_array_ref_dimen_type): New named enum type, broken out
	of struct gfc_array_ref).
	(struct gfc_array_ref): Use enum gfc_array_ref_dimen_type.
	(mod_pointee_as): Update declaration.
	* decl.c (add_global_entry): Change type to enum gfc_symbol_type.
	(gfc_mod_pointee_as): Change return type to "match".
	* module.c (mio_array_ref): Add cast to enum type.
	(mio_symbol): Likewise.
	* resolve.c (resolve_global_procedure): Change type to enum
	gfc_symbol_type.
	* trans-io.c (gfc_build_st_parameter): Change type to unsigned
	int.

2009-04-24  Daniel Kraft  <d@domob.eu>

	* gfortran.h (gfc_get_typebound_proc): Removed as macro, now a function.
	(struct gfc_symtree): Moved "typebound" member inside union.
	(struct gfc_namespace): Add "tb_sym_root" as new symtree to sort out
	type-bound procedures there.
	(gfc_get_tbp_symtree): New procedure.
	* symbol.c (tentative_tbp_list): New global.
	(gfc_get_namespace): NULL new "tb_sym_root" member.
	(gfc_new_symtree): Removed initialization of "typebound" member.
	(gfc_undo_symbols): Process list of tentative tbp's.
	(gfc_commit_symbols): Ditto.
	(free_tb_tree): New method.
	(gfc_free_namespace): Call it.
	(gfc_get_typebound_proc): New method.
	(gfc_get_tbp_symtree): New method.
	(gfc_find_typebound_proc): Adapt to structural changes of gfc_symtree
	and gfc_namespace with regards to tbp's.
	* dump-parse-tree.c (show_typebound): Ditto.
	* primary.c (gfc_match_varspec): Ditto.  Don't reference tbp-symbol
	as it isn't a symbol any longer.
	* module.c (mio_typebound_symtree): Adapt to changes.
	(mio_typebound_proc): Ditto, create symtrees using "gfc_get_tbp_symtree"
	rather than "gfc_get_sym_tree".
	(mio_f2k_derived): Ditto.
	* decl.c (match_procedure_in_type): Ditto.
	(gfc_match_generic): Ditto.  Don't reference tbp-symbol.
	* resolve.c (check_typebound_override): Adapt to changes.
	(resolve_typebound_generic): Ditto.
	(resolve_typebound_procedures): Ditto.
	(ensure_not_abstract_walker): Ditto.
	(ensure_not_abstract): Ditto.
	(resolve_typebound_procedure): Ditto, ignore erraneous symbols (for
	instance, through removed tentative ones).
	* gfc-internals.texi (Type-bound procedures): Document changes.

2009-04-24  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39861
	PR fortran/39864
	* symbol.c (gfc_copy_formal_args_intr): Set attr.flavor and attr.dummy
	for the formal arguments.

2009-04-21  Taras Glek <tglek@mozilla.com>

	* f95-lang.c: Update GTY annotations to new syntax.
	* trans-intrinsic.c: Likewise.
	* trans-io.c: Likewise.
	* trans.h: Likewise.

2009-04-22  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39735
	* decl.c (add_hidden_procptr_result): Bugfix for procptr results.
	(match_procedure_decl): Set if_source.
	* expr.c (gfc_check_pointer_assign): Bugfix: Return after error.
	And: Check interface also for IFSRC_UNKNOWN (return type may be known).
	* gfortran.h (typedef enum ifsrc): Remove IFSRC_USAGE,
	add documentation. Rename copy_formal_args and copy_formal_args_intr.
	* interface.c (gfc_compare_interfaces): Check for return types,
	handle IFSRC_UNKNOWN.
	(compare_intr_interfaces,compare_actual_formal_intr): Obsolete, removed.
	(gfc_procedure_use): Modified handling of intrinsics.
	* intrinsic.c (add_functions): Bugfix for "dim".
	* resolve.c (resolve_intrinsic): New function to resolve intrinsics,
	which copies the interface from isym to sym.
	(resolve_procedure_expression,resolve_function): Use new function
	'resolve_intrinsic'.
	(resolve_symbol): Add function attribute for externals with return type
	and use new function 'resolve_intrinsic'.
	* symbol.c (ifsrc_types): Remove string for IFSRC_USAGE.
	(copy_formal_args): Renamed to gfc_copy_formal_args.
	(copy_formal_args_intr): Renamed to gfc_copy_formal_args_intr.
	* trans-const.c (gfc_conv_const_charlen): Handle cl==NULL.

2009-04-21  Joseph Myers  <joseph@codesourcery.com>

	* ChangeLog, ChangeLog-2002, ChangeLog-2003, ChangeLog-2004,
	ChangeLog-2005, ChangeLog-2006, ChangeLog-2007, ChangeLog-2008,
	ChangeLog.ptr, config-lang.in, ioparm.def, mathbuiltins.def: Add
	copyright and license notices.
	* ChangeLog, ChangeLog-2005, ChangeLog-2006, ChangeLog-2007,
	ChangeLog-2008: Correct dates.

2009-04-20  Tobias Burnus  <burnus@net-b.de>

	PR fortran/39811
	* scanner.c (load_line): Fix bogus "&" compile-time diagnostic.

2009-04-20  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/39800
	* resolve.c (is_sym_host_assoc): New function.
	(resolve_fl_derived): Call it when checking PRIVATE components
	of PUBLIC derived types.  Change gfc_error to a gfc_notify_std
	with std=f2003.
	(resolve_fl_namelist): Call it twice to check for host
	association.

2009-04-20  Ian Lance Taylor  <iant@google.com>

	* module.c (import_iso_c_binding_module): Add casts to enum type.
	* trans-intrinsic.c (gfc_conv_intrinsic_minmax): Change op to enum
	tree_code.
	(gfc_conv_intrinsic_anyall): Likewise.
	(gfc_conv_intrinsic_arith): Likewise.
	(gfc_conv_intrinsic_minmaxloc): Likewise.
	(gfc_conv_intrinsic_minmaxval): Likewise.
	(gfc_conv_intrinsic_bitop): Likewise.
	(gfc_conv_intrinsic_singlebitop): Likewise.
	(gfc_conv_intrinsic_strcmp): Likewise.

2009-04-20  Vasilis Liaskovitis  <vliaskov@gmail.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR fortran/35423
	* trans.h (OMPWS_WORKSHARE_FLAG, OMPWS_CURR_SINGLEUNIT,
	OMPWS_SCALARIZER_WS, OMPWS_NOWAIT): Define.
	(ompws_flags): New extern decl.
	* trans-array.c (gfc_trans_scalarized_loop_end): Build OMP_FOR
	for the outer dimension if ompws_flags allow it.
	* trans.c (gfc_generate_code): Clear ompws_flags.
	* trans-expr.c (gfc_trans_assignment_1): Allow worksharing
	array assignments inside of !$omp workshare.
	* trans-stmt.c (gfc_trans_where_3): Similarly for where statements
	and constructs.
	* trans-openmp.c (ompws_flags): New variable.
	(gfc_trans_omp_workshare): Rewritten.

2009-04-11  Daniel Kraft  <d@domob.eu>

	PR fortran/37746
	* gfortran.h (struct gfc_charlen): New field "passed_length" to store
	the actual passed string length for dummy arguments.
	* trans-decl.c (gfc_create_string_length): Formatting fixes and added
	assertion, moved a local variable into the innermost block it is needed.
	(create_function_arglist): Removed TODO about the check being
	implemented and initialize cl->passed_length here.
	(add_argument_checking): New method.
	(gfc_generate_function_code): Call the argument checking method.

2009-04-11  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39692
	* symbol.c (check_conflict): Reject procedure pointers for -std=f95.

2009-04-11  Daniel Franke  <franke.daniel@gmail.com>

	* resolve.c (resolve_global_procedure): Enable whole-file checking for
	procedures that are declared later in the file.
	
2009-04-10  Paolo Bonzini  <bonzini@gnu.org>

	PR middle-end/39701
	* trans.c (gfc_allocate_with_status): Fix type mismatches
	on "pstat == 0".

2009-04-10  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/38709
	* expr.c (find_array_section): Leave early on zero-sized arrays.

2009-04-09  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36704
	* decl.c (add_hidden_procptr_result): New function for handling
	procedure pointer return values by adding a hidden result variable.
	(variable_decl,match_procedure_decl,gfc_match_function_decl,
	gfc_match_subroutine,gfc_match_end,attr_decl1): Handle procedure pointer
	return values.
	* parse.c (parse_interface): Add EXTERNAL attribute only after
	FUNCTION/SUBROUTINE declaration is complete.
	* primary.c (replace_hidden_procptr_result): New function for replacing
	function symbol by hidden result variable.
	(gfc_match_rvalue,match_variable): Replace symbol by hidden result
	variable.
	* resolve.c (resolve_contained_fntype,resolve_function,resolve_variable,
	resolve_symbol): Allow for procedure pointer function results.
	(resolve_fl_procedure): Conflict detection moved here from
	'check_conflict'.
	* symbol.c (gfc_check_function_type): Allow for procedure pointer
	function results.
	(check_conflict): Move some conflict detection to resolution stage.
	* trans-types.c (gfc_sym_type,gfc_get_function_type): Handle hidden
	result variables.

2009-04-08  Jakub Jelinek  <jakub@redhat.com>

	* trans-types.c (gfc_init_types): Ensure gfc_integer_types doesn't
	contain TYPE_STRING_FLAG types.

2009-04-08  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/39670
	* invoke.texi (fdollar-ok): Fix typo.
	
2009-04-08  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/39670
	* invoke.texi (fdollar-ok): Clarify limitations.

2009-04-08  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38863
	* trans-array.c (gfc_trans_deferred_array): Return if this
	is a result variable.

2009-04-07  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/38152
	* trans-decl.c (gfc_get_symbol_decl): Correctly set decl location for
	procedure pointer decls.

2009-04-07  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/38290
	* expr.c (gfc_check_pointer_assign): Enable interface check for
	procedure pointers.
	* gfortran.h: Add copy_formal_args_intr.
	* interface.c (gfc_compare_interfaces): Call gfc_compare_intr_interfaces
	if second argument is an intrinsic.
	(compare_intr_interfaces): Correctly set attr.function, attr.subroutine
	and ts.
	(compare_parameter): Call gfc_compare_interfaces also for intrinsics.
	* resolve.c (resolve_specific_f0,resolve_specific_s0): Don't resolve
	intrinsic interfaces here. Must happen earlier.
	(resolve_symbol): Resolution of intrinsic interfaces moved here from
	resolve_specific_..., and formal args are now copied from intrinsic
	interfaces.
	* symbol.c (copy_formal_args_intr): New function to copy the formal
	arguments from an intinsic procedure.

2009-04-06  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38863
	* dependency.c (ref_same_as_full_array): New function.
	(gfc_dep_resolver): Call it.

2009-04-06  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/39414
	* decl.c (match_procedure_decl): Fix double declaration problems with
	PROCEDURE statements.
	* symbol.c (gfc_add_type): Ditto.

2009-04-06  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/36091
	* trans-array.c (gfc_conv_array_ref): If the symbol has the
	temporary attribute use the array_spec for the bounds.
	* gfortran.h : Add the temporary field to the structure
	'symbol_attribute'.
	* trans-stmt.c (forall_make_variable_temp): Set the symbol's
	temporary attribute.

2009-04-05  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/29458
	* trans-array.c (gfc_trans_array_constructor_value): Shadow
	implied do-loop variable to avoid spurious middle-end warnings.

2009-04-04  Tobias Burnus  <burnus@net-b.de>

	PR fortran/39577
	* trans-decl.c (gfc_generate_function_code): Move recursive
	check to the right position.

2009-04-04  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/37614
	* trans-common.c (translate_common): Do not offset the whole
	coomon block.

2009-04-03  Tobias Burnus  <burnus@net-b.de>

	PR fortran/39594
	* resolve.c (resolve_common_vars): Add FL_VARIABLE to symbol
	if it is not a procedure pointer.
	* primary.c (match_actual_arg): Ditto.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

	PR preprocessor/15638
	* cpp.c (cb_cpp_error): Handle CPP_DL_FATAL.

2009-03-30  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/38389
	* trans-stmt.c(gfc_trans_allocate): Add translation of ERRMSG.
	(gfc_trans_deallocate): Add translation of ERRMSG.  Remove stale
	comments.  Minor whitespace cleanup.
	* resolve.c(is_scalar_expr_ptr): Whitespace cleanup.
	(resolve_deallocate_expr (gfc_expr *e): Update error message.
	(resolve_allocate_expr):  Remove dead code.  Update error message.
	Move error checking to ...
	(resolve_allocate_deallocate): ... here.  Add additional error
	checking for STAT, ERRMSG, and allocate-objects.
	* match.c(gfc_match_allocate,gfc_match_deallocate):  Parse ERRMSG.
	Check for redundant uses of STAT and ERRMSG.  Reword error message
	and add checking for pointer, allocatable, and proc_pointer attributes.

2009-03-30  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/22571
	PR fortran/26227
	PR fortran/24886
	* symbol.c : Add gfc_global_ns_list.
	* decl.c (add_global_entry): Set the namespace ('ns') field.
	* gfortran.h : Add the resolved field to gfc_namespace. Add the
	namespace ('ns') field to gfc_gsymbol.  Add flag_whole_file to
	gfc_option_t.  Add the prototype for gfc_free_dt_list.
	* lang.opt : Add the whole-file option.
	* invoke.texi : Document the whole-file option.
	* resolve.c (resolve_global_procedure): If the fwhole-file
	option is set, reorder gsymbols to ensure that translation is
	in the right order.  Resolve the gsymbol's namespace if that
	has not occurred and then check interfaces.
	(resolve_function): Move call to resolve_global_procedure.
	(resolve_call): The same.
	(resolve_codes): Store the current labels_obstack.
	(gfc_resolve) : Return if the namespace is already resolved.
	trans-decl.c (gfc_get_extern_function_decl): If the whole_file
	option is selected, use the backend_decl of a gsymbol, if it is
	available.
	parse.c (add_global_procedure, add_global_program): If the flag
	whole-file is set, add the namespace to the gsymbol.
	(gfc_parse_file): On -fwhole-file, put procedure namespaces on
	the global namespace list.  Rearrange to do resolution of all
	the procedures in a file, followed by their translation.
	* options.c (gfc_init_options): Add -fwhole-file.
	(gfc_handle_option): The same.

2009-03-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* f95-lang.c (gfc_init_builtin_functions): Define BUILT_IN_HUGE_VAL
	family of intrinsics instead of BUILT_IN_INF family.
	* trans-intrinsics.c (gfc_conv_intrinsic_nearest): Use
	BUILT_IN_HUGE_VAL instead of BUILT_IN_INF.

2009-03-30  Jakub Jelinek  <jakub@redhat.com>

	* trans-types.c (gfc_sym_type, gfc_return_by_reference): For
	sym->attr.result check sym->ns->proc_name->attr.is_bind_c.

2009-03-30  Joseph Myers  <joseph@codesourcery.com>

	PR rtl-optimization/323
	* options.c (gfc_post_options): Set
	flag_excess_precision_cmdline.  Give an error for
	-fexcess-precision=standard for processors where the option is
	significant.

2009-03-29  Joseph Myers  <joseph@codesourcery.com>

	PR preprocessor/34695
	* cpp.c (cb_cpp_error): New.
	(gfc_cpp_post_options): Don't set cpp_option->inhibit_warnings.
	Don't check cpp_errors (cpp_in).
	(gfc_cpp_init_0): Set cb->error.

2009-03-29  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/38823
	* gfortran.h: Add ARITH_PROHIBIT to arith enum.
	expr.c (gfc_match_init_expr): Add global variable init_flag to
	flag matching an initialization expression.
	(check_intrinsic_op): Move no longer reachable error message to ...
	* arith.c (arith_power): ... here.  Remove gfc_ prefix in
	gfc_arith_power.  Use init_flag.  Allow constant folding of x**y
	when y is REAL or COMPLEX.
	(eval_intrinsic): Remove restriction that y in x**y must be INTEGER
	for constant folding.
	* gfc_power: Update gfc_arith_power to arith_power

2009-03-29  Daniel Kraft  <d@domob.eu>

	PR fortran/37423
	* gfortran.h (struct gfc_typebound_proc): Added new flag "deferred" and
	added a comment explaining DEFERRED binding handling.
	* decl.c (match_binding_attributes): Really match DEFERRED attribute.
	(match_procedure_in_type): Really match PROCEDURE(interface) syntax
	and do some validity checks for DEFERRED and this construct.
	* module.c (binding_overriding): New string constant for DEFERRED.
	(mio_typebound_proc): Module-IO DEFERRED flag.
	* resolve.c (check_typebound_override): Ensure that a non-DEFERRED
	binding is not overridden by a DEFERRED one.
	(resolve_typebound_procedure): Allow abstract interfaces as targets
	for DEFERRED bindings.
	(ensure_not_abstract_walker), (ensure_not_abstract): New methods.
	(resolve_fl_derived): Use new "ensure_not_abstract" method for
	non-ABSTRACT types extending ABSTRACT ones to ensure each DEFERRED
	binding is overridden.
	(check_typebound_baseobject): New method.
	(resolve_compcall), (resolve_typebound_call): Check base-object of
	the type-bound procedure call.
	* gfc-internals.texi (Type-bound procedures): Document a little bit
	about internal handling of DEFERRED bindings.

2009-03-29  Tobias Schlüter  <tobi@gcc.gnu.org>

	PR fortran/38507
	* gfortran.h (gfc_st_label): Fix comment.
	(gfc_exec_op): Add statement code EXEC_END_BLOCK for end of block.
	* parse.c (accept_statement): Use EXEC_END_BLOCK for END IF and
	END SELECT with labels.
	(check_do_closure): Fix formatting.
	(parse_do_block): Fix typo in error message.
	* resolve.c (code_stack): Remove tail member.  Update comment to
	new use of reachable_labels.
	(reachable_labels): Rename to ...
	(find_reachable_labels): ... this.  Overhaul.  Update preceding
	comment.
	(resolve_branch): Fix comment preceding function.  Rewrite.
	(resolve_code): Update call to find_reachable_labels.  Add code to
	deal with EXEC_END_BLOCK.
	* st.c (gfc_free_statement): Add code to deal with EXEC_END_BLOCK.
	Add 2009 to copyright years.
	* trans.c (gfc_trans_code): Likewise on both counts.

2009-03-31  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38917
	* expr.c (gfc_check_assign): Allow pointer components when
	checking for NULL.

	PR fortran/38918
	* resolve.c (check_data_variable): Treat pointer arrays with
	scalars.

2009-03-31  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38915
	* trans-expr.c (gfc_trans_assignment_1): Ensure temporaries
	have a string_length.

2009-03-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/34656
	* trans-stmt.c (gfc_trans_simple_do, gfc_trans_do):
	Add GFC_RTCHECK_DO support.
	* option.c (gfc_handle_runtime_check_option): Enable GFC_RTCHECK_DO.
	* invoke.texi (-fcheck): Document "do" option.

2009-03-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38538
	* trans-array.c (get_elemental_fcn_charlen): Remove.
	(get_array_charlen): New function to replace previous.

2009-03-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38765
	* parse.c (parse_derived): Do not break on finding pointer,
	allocatable or private components.

2009-03-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/32626
	* option.c (gfc_handle_runtime_check_option): Enable recursion check.
	* trans-decl.c (gfc_generate_function_code): Add recursion check.
	* invoke.texi (-fcheck): Add recursive option.

2009-03-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/38432
	* resolve.c (gfc_resolve_iterator): Add zero-loop warning.

2009-03-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
	    Paul Thomas  <pault@gcc.gnu.org>
	    Tobias Burnus  <burnus@net-b.de>

	* gfortran.h (gfc_option_t): Add rtcheck.
	* lang.opt: New option -fcheck.
	* libgfortran.h: Add GFC_RTCHECK_* constants.
	* invoke.texi: Document -fcheck.
	* options.c (gfc_handle_runtime_check_option): New function.
	(gfc_init_options,gfc_post_options,gfc_handle_option):
	Add -fcheck option.

2009-03-27  Richard Guenther  <rguenther@suse.de>

	* trans-array.c (gfc_conv_descriptor_data_addr): Use
	gfc_build_addr_expr instead of build_fold_addr_expr.
	(gfc_trans_allocate_array_storage, gfc_trans_array_constructor_value,
	gfc_trans_constant_array_constructor, gfc_conv_array_data,
	gfc_conv_expr_descriptor, gfc_conv_array_parameter): Likewise.
	* trans-expr.c (gfc_conv_missing_dummy, gfc_conv_variable,
	gfc_conv_function_val, gfc_conv_operator_assign,
	gfc_conv_subref_array_arg, gfc_conv_function_call,
	gfc_conv_expr_reference, gfc_trans_scalar_assign): Likewise.
	* trans-intrinsic.c (gfc_conv_intrinsic_exponent,
	gfc_conv_intrinsic_ctime, gfc_conv_intrinsic_fdate,
	gfc_conv_intrinsic_ttynam, gfc_conv_intrinsic_minmax_char,
	gfc_conv_intrinsic_fraction, gfc_conv_intrinsic_spacing,
	gfc_conv_intrinsic_rrspacing, gfc_conv_intrinsic_set_exponent,
	gfc_conv_intrinsic_array_transfer, gfc_conv_intrinsic_transfer,
	gfc_conv_intrinsic_si_kind, gfc_conv_intrinsic_trim): Likewise.
	* trans-io.c (gfc_trans_io_runtime_check, set_parameter_ref,
	gfc_convert_array_to_string, gfc_trans_open, gfc_trans_close,
	build_filepos, gfc_trans_inquire, gfc_trans_wait,
	nml_get_addr_expr, transfer_namelist_element, build_dt,
	gfc_trans_dt_end, transfer_array_component, transfer_expr,
	transfer_array_desc, gfc_trans_transfer): Likewise.
	* trans-stmt.c (gfc_trans_allocate, gfc_trans_deallocate): Likewise.
	* trans.c (gfc_build_addr_expr): Mark the base of the address
	TREE_ADDRESSABLE.

2009-03-27  Tobias Burnus  <burnus@net-b.de>

	* gfortran.h (enum init_local_real.): Add GFC_INIT_REAL_SNAN.
	(gfc_expr): Add is_snan.
	* trans-const.c (gfc_conv_mpfr_to_tree): Support SNaN.
	(gfc_conv_constant_to_tree): Update call to gfc_conv_mpfr_to_tree.
	* trans-const.h (gfc_conv_mpfr_to_tree): Update prototype.
	* resolve.c (build_default_init_expr): Update call.
	* target-memory.c (encode_float): Ditto.
	* trans-intrinsic.c (gfc_conv_intrinsic_aint,gfc_conv_intrinsic_mod,

2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* lang.opt: Unify help texts for -I, -Wconversion, -d, -fopenmp,
	and -fpreprocessed.

2009-03-06  Alexandre Oliva <aoliva@redhat.com>

	* simplify.c (gfc_simplify_transfer): Zero-initialize the
	buffer.

2009-02-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/39309
	* module.c (read_md5_from_module_file): Add missing quote.

2009-02-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/39309
	* module.c (read_md5_from_module_file): Include mod version
	in had-changed test.

2009-02-26  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/39295
	* interface.c (compare_type_rank_if): Return 1 if the symbols
	are the same and deal with external procedures where one is
	identified to be a function or subroutine by usage but the
	other is not.

2009-02-26  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/39292
	* trans-array.c (gfc_conv_array_initializer): Convert all
	expressions rather than ICEing.

2009-02-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/38914
	* array.c (ref_dimen_size):  Rename to gfc_ref_dimen_size,
	make global.  Change function name in error messages.
	(ref_size):  Change ref_dimen_size to gfc_ref_dimen_size.
	(gfc_array_ref_shape):  Likewise.
	* gfortran.h:  Add prototype for gfc_ref_dimen_size.
	* simplify.c (simplify_bound_dim):  Add ref argument.
	If the reference isn't a full array, return one for
	the lower bound and the extent for the upper bound.
	(simplify_bound):  For array sections, take as from the
	argument.  Add reference to all to simplify_bound_dim.

2009-02-19  Daniel Franke  <franke.daniel@gmail.com>

	* scanner.c (load_line): At end of line, skip '\r' without setting
	the truncation flag.

2009-02-18  Daniel Kraft  <d@domob.eu>

	* gfortran.texi: New chapter about compiler characteristics.
	(Compiler Characteristics): Document KIND type parameters here.

2009-02-18  Tobias Burnus  <burnus@net-b.de>

	* intrinsic.texi (MALLOC): Make example more portable.

2009-02-13  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/38259
	* module.c (gfc_dump_module,gfc_use_module): Add module
	version number.

2009-02-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/36703
	PR fortran/36528
	* trans-expr.c (gfc_conv_function_val): Stabilize Cray-pointer
	function references to ensure that a valid expression is used.
	(gfc_conv_function_call): Pass Cray pointers to procedures.

2009-02-03  Jakub Jelinek  <jakub@redhat.com>

	* gfortranspec.c (lang_specific_driver): Update copyright notice
	dates.

2009-01-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38852
	PR fortran/39006
	* trans-intrinsic.c (gfc_conv_intrinsic_bound): Use the array
	descriptor ubound for UBOUND, when the array lbound == 1.

2009-01-27  Daniel Kraft  <d@domob.eu>

	PR fortran/38883
	* trans-stmt.c (gfc_conv_elemental_dependencies):  Create temporary
	for the real type needed to make it work for subcomponent-references.

2009-01-21  Daniel Kraft  <d@domob.eu>

	* trans-stmt.c (gfc_conv_elemental_dependencies):  Cleaned up comment.

2009-01-20  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38907
	* resolve.c (check_host_association): Remove the matching to
	correct an incorrect host association and use manipulation of
	the expression instead.

2009-01-20  Tobias Burnus  <burnus@net-b.de>

	* invoke.texi (RANGE): RANGE also takes INTEGER arguments.

2009-01-19  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/38859
	* simplify.c (simplify_bound): Don't use array specification
	if variable or component has subsequent references.

2009-01-17  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38657
	* module.c (write_common_0): Add argument 'this_module' and
	check that non-use associated common blocks are written first.
	(write_common): Call write_common_0 twice, once with true and
	then with false.

2009-01-17  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/34955
	* trans-intrinsic.c (gfc_conv_intrinsic_array_transfer): Has
	been absorbed into gfc_conv_intrinsic_transfer. All
	references to it in trans-intrinsic.c have been changed
	accordingly.  PR fixed by using a temporary for scalar
	character transfer, when the source is shorter than the
	destination.

2009-01-17  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38657
	* module.c (write_common_0): Revert patch of 2009-01-05.

2009-01-16  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/38152
	* expr.c (gfc_check_pointer_assign): Allow use-associated procedure
	pointers as lvalue.
	* trans-decl.c (get_proc_pointer_decl,gfc_create_module_variable):
	Enable procedure pointers as module variables.

2009-01-14  Steven G. Kargl  <kargl@gcc.gnu.org>

	* ChangeLog-2007: Clean out svn merge droppings.

2009-01-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38763
	* target-memory.c (encode_derived): Encode NULL.

2009-01-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38765
	* resolve.c (check_host_association): Use the symtree name to
	search for a potential contained procedure, since this is the
	name by which it would be referenced.

2009-01-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/38220
	* interface.c (gfc_procedure_use):  Don't warn about functions
	from ISO_C_BINDING.
	* symbol.c (generate_isocbinding_symbol):  Mark c_loc and
	c_funloc as pure.

2009-01-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38657
	* module.c (write_common_0): Use the name of the symtree rather
	than the common block, to determine if the common has been
	written.

2009-01-05  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/37159
	* check.c (gfc_check_random_seed): Added size check for GET
	dummy argument, reworded error messages to follow common pattern.

2009-01-05  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/38672
	* trans-types.c (gfc_get_derived_type):  Check for the
	presence of derived->ns->proc_name before
	accessing derived->ns->proc_name->attr.flavor .
	* resolve.c (resolve_symbol):  Likewise.

2009-01-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38665
	* gfortran.h : Add bit to gfc_expr 'user_operator'
	* interface.c (gfc_extend_expr): Set the above if the operator
	is substituted by a function. 
	* resolve.c (check_host_association): Return if above is set.

2009-01-04  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/35681
	* ChangeLog-2008: Fix function name.

	PR fortran/38487
	* dependency.c (gfc_check_argument_var_dependency):
	Move the check for pointerness inside the if block
	so that it doesn't affect the return value.

	PR fortran/38669
	* trans-stmt.c (gfc_trans_call):
	Add the dependency code after the loop bounds calculation one.

2009-01-04  Daniel Franke  <franke.daniel@gmail.com>

	* intrinsic.c (do_simplify): Removed already implemented TODO.

2009-01-04  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/38718
	* simplify.c (gfc_simplify_merge): New.
	* intrinsic.h (gfc_simplify_merge): New prototype.
	* intrinsic.c (add_functions): Added simplification for MERGE.

2009-01-04  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/38536
	* gfortran.h (gfc_is_data_pointer): Added prototype
	* resolve.c (gfc_iso_c_func_interface):
	Use gfc_is_data_pointer to test for pointer attribute.
	* dependency.c (gfc_is_data_pointer):
	Support pointer-returning functions.

2009-01-03  Daniel Franke  <franke.daniel@gmail.com>

	* symbol.c (save_symbol): Don't SAVE function results.

2009-01-03  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38594
	* resolve.c (resolve_call): When searching for proper host
	association, use symtree rather than symbol.  For everything
	except generic subroutines, substitute the symtree in the call
	rather than the symbol.


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