path: root/gcc/fortran/ChangeLog-2012

2012-12-28  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/55692
	* check.c (gfc_check_associated): Remove a "gcc_assert (0)".

2012-12-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/55763
	* check.c (gfc_check_move_alloc): Handle unlimited polymorphic.
	* trans-intrinsic.c (conv_intrinsic_move_alloc): Ditto.

2012-12-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/48976
	* gfortran.h (gfc_inquire struct): Add pointer for inquire stream.
	* io.c (io_tag): Add tag for inquire stream. (match_inquire_element):
	Add matcher for new tag. (gfc_resolve_inquire): Resolve new tag.
	* ioparm.def: Add new parameter for inquire stream.
	* trans-io.c (gfc_trans_inquire): Add tranlste code for inquire
	stream.

2012-12-23  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54884
	* module.c (write_symbol1_recursion): Set attr.public_use.
	* interface.c (check_sym_interfaces, check_uop_interfaces,
	gfc_check_interfaces): Remove attr.public_use code.
	* resolve.c (resolve_function, resolve_variable,
	resolve_typebound_procedure): Ditto.

2012-12-22  Tobias Burnus  <burnus@net-b.de>

	PR fortran/55763
	* module.c (mio_component): Don't skip _hash's initializer.
	* resolve.c (resolve_select_type): Add an assert.
	* trans-expr.c (gfc_conv_procedure_call): Handle
	INTENT(OUT) for UNLIMIT_POLY.

2012-12-21  Richard Biener  <rguenther@suse.de>

	PR bootstrap/54659
	* gfortran.h: Do not include gmp.h here.

2012-12-21  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/55763
	* match.c (select_type_set_tmp): Return is a derived type or
	class typespec has no derived type.
	* resolve.c (resolve_fl_var_and_proc): Exclude select type
	temporaries from 'pointer'.
	(resolve_symbol): Exclude select type temporaries from tests
	for assumed size and assumed rank.

2012-12-20  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36044
	* gfortran.h (gfc_isym_id): Add GFC_ISYM_BACKTRACE.
	* intrinsic.c (add_subroutines): Add "backtrace".
	* intrinsic.texi (BACKTRACE): Document BACKTRACE intrinsic.

2012-12-20  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54818
	* trans-intrinsic.c (gfc_conv_intrinsic_transfer): Ensure that
	the string length is of type gfc_charlen_type_node.

2012-12-19  Paul Thomas  <pault@gcc.gnu.org>

	* array.c (resolve_array_list): Apply C4106.
	* check.c (gfc_check_same_type_as): Exclude polymorphic
	entities from check for extensible types. Improved error
	for disallowed argument types to name the offending type.
	* class.c : Update copyright date.
	(gfc_class_null_initializer): Add argument for initialization
	expression and deal with unlimited polymorphic typespecs.
	(get_unique_type_string): Give unlimited polymorphic
	entities a type string.
	(gfc_intrinsic_hash_value): New function.
	(gfc_build_class_symbol): Incorporate unlimited polymorphic
	entities.
	(gfc_find_derived_vtab): Deal with unlimited polymorphic
	entities.
	(gfc_find_intrinsic_vtab): New function.
	* decl.c (gfc_match_decl_type_spec): Match typespec for
	unlimited polymorphic type.
	(gfc_match_data_decl): Skip to 'ok' if unlimited polymorphic.
	expr.c (gfc_check_pointer_assign): Apply C717.  If unlimited
	polymorphic lvalue, find rvalue vtable for all typespecs,
	except unlimited polymorphic expressions.
	(gfc_check_vardef_context): Handle unlimited polymorphic
	entities.
	* gfortran.h : Add unlimited polymorphic attribute. Add
	second arg to gfc_class_null_initializer primitive and
	primitive for gfc_find_intrinsic_vtab.  Add UNLIMITED_POLY
	to detect unlimited polymorphic expressions.
	* interface.c (gfc_compare_types): If expr1 is unlimited
	polymorphic, always return 1. If expr2 is unlimited polymorphic
	enforce C717.
	(gfc_compare_interfaces): Skip past conditions that do not
	apply for unlimited polymorphic entities.
	(compare_parameter): Make sure that an unlimited polymorphic,
	allocatable or pointer, formal argument is matched by an
	unlimited polymorphic actual argument.
	(compare_actual_formal): Ensure that an intrinsic vtable exists
	to match an unlimited polymorphic formal argument.
	* match.c (gfc_match_allocate): Type kind parameter does not
	need to match an unlimited polymorphic allocate-object.
	(alloc_opt_list): An unlimited polymorphic allocate-object
	requires a typespec or a SOURCE tag.
	(select_intrinsic_set_tmp): New function.
	(select_type_set_tmp): Call new function.  If it returns NULL,
	build a derived type or class temporary instead.
	(gfc_match_type_is): Remove restriction to derived types only.
	Bind(C) or sequence derived types not permitted.
	* misc (gfc_typename):  Printed CLASS(*) for unlimited
	polymorphism.
	* module.c : Add AB_UNLIMITED_POLY to pass unlimited
	polymorphic attribute to and from modules.
	* resolve.c (resolve_common_vars): Unlimited polymorphic
	entities cannot appear in common blocks.
	(resolve_deallocate_expr): Deallocate unlimited polymorphic
	enities.
	(resolve_allocate_expr): Likewise for allocation.  Make sure
	vtable exists.
	(gfc_type_is_extensible): Unlimited polymorphic entities are
	not extensible.
	(resolve_select_type): Handle unlimited polymorphic selectors.
	Ensure that length type parameters are assumed and that names
	for intrinsic types are generated.
	(resolve_fl_var_and_proc): Exclude select type temporaries
	from test of extensibility of type.
	(resolve_fl_variable): Likewise for test that assumed character
	length must be a dummy or a parameter.
	(resolve_fl_derived0): Return SUCCESS unconditionally for
	unlimited polymorphic entities. Also, allow unlimited
	polymorphic components.
	(resolve_fl_derived): Return SUCCESS unconditionally for
	unlimited polymorphic entities.
	(resolve_symbol): Return early with unlimited polymorphic
	entities.
	* simplifiy.c : Update copyright year.
	(gfc_simplify_extends_type_of): No simplification possible
	for unlimited polymorphic arguments.
	* symbol.c (gfc_use_derived): Nothing to do for unlimited
	polymorphic "derived type".
	(gfc_type_compatible): Return unity if ts1 is unlimited
	polymorphic.
	* trans-decl.c (create_function_arglist) Formal arguments
	without a character length should be treated in the same way
	as passed lengths.
	(gfc_trans_deferred_vars): Nullify the vptr of unlimited
	polymorphic pointers. Avoid unlimited polymorphic entities
	triggering gcc_unreachable.
	* trans-expr.c (gfc_conv_intrinsic_to_class): New function.
	(gfc_trans_class_init_assign): Make indirect reference of
	src.expr.
	(gfc_trans_class_assign): Expression NULL of unknown type
	should set NULL vptr on lhs. Treat C717 cases where lhs is
	a derived type and the rhs is unlimited polymorphic.
	(gfc_conv_procedure_call): Handle the conversion of a non-class
	actual argument to match an unlimited polymorphic formal
	argument.  Suppress the passing of a character string length
	in this case.  Make sure that calls to the character __copy
	function have two character string length arguments.
	(gfc_conv_initializer): Pass the initialization expression to
	gfc_class_null_initializer.
	(gfc_trans_subcomponent_assign): Ditto.
	(gfc_conv_structure): Move handling of _size component.
	trans-intrinsic.c: (gfc_conv_same_type_as): Handle conditions
	where unlimited polymorphic arguments have null vptr.
	* trans-stmt.c (trans_associate_var): Correctly treat array
	temporaries associated with unlimited polymorphic selectors.
	Recover the overwritten dtype for the descriptor. Use the _size
	field of the vptr for character string lengths.
	(gfc_trans_allocate): Cope with unlimited polymorphic allocate
	objects; especially with character source tags.
	(reset_vptr): New function.
	(gfc_trans_deallocate): Call it.
	* trans-types.c (gfc_get_derived_type): Detect unlimited
	polymorphic types and deal with cases where the derived type of
	components is null.
	* trans.c : Update copyright year.
	(trans_code): Call gfc_trans_class_assign for C717 cases where
	the lhs is not unlimited polymorphic.

2012-12-19  Tobias Burnus  <burnus@net-b.de>

	PR fortran/55733
	* trans-decl.c (gfc_create_string_length): Avoid setting
	TREE_STATIC for automatic variables with -fno-automatic.

2012-12-19  Tobias Burnus  <burnus@net-b.de>
	    Jakub Jelinek  <jakub@redhat.com>
	    Janus Weil  <janus@gcc.gnu.org>

	PR fortran/55636
	PR fortran/55733
	* gfortran.h (GFC_PREFIX): Define.
	* trans-decl.c (gfc_create_string_length): For VAR_DECLs that
	will be TREE_STATIC, use GFC_PREFIX to mangle the names. Handle
	-fno-automatic
	(gfc_trans_deferred_vars): Don't free variables SAVEd via
	-fno-automatic.

2012-12-16  Tobias Burnus  <burnus@net-b.de>

	PR fortran/55197
	* module.c (gfc_use_module): Free rename list only for
	internally generated intrinsic modules.

2012-12-16  Tobias Burnus  <burnus@net-b.de>

	* trans-intrinsic.c (conv_intrinsic_move_alloc): Set dynamic
	type of the FROM variable to the declared type.

2012-12-16  Tobias Burnus  <burnus@net-b.de>

	PR fortran/55638
	* resolve.c (resolve_formal_arglist): Allow VALUE without
	INTENT for ELEMENTAL procedures.

2012-12-10  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/52909
	* trans-decl.c (get_proc_pointer_decl): Apply name mangling.

2012-12-09  Tobias Burnus  <burnus@net-b.de>

	* trans-array.c (structure_alloc_comps): Use NULL_TREE in the
	call to gfc_deallocate_scalar_with_status.
	* trans-decl.c (gfc_trans_deferred_vars): Pass symbol.
	* trans-stmt.c (gfc_trans_deallocate): Pass polymorphic variable.

2012-12-09  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/55593
	* frontend-passes.c (doloop_code):  Use resolved_sym
	instead of n.sym->formal for formal argument list
	to get the correct version for all generic subroutines.

2012-12-05  Tobias Burnus  <burnus@net-b.de>

	* resolve.c (generate_component_assignments): Fix memleak.

2012-12-03  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/55548
	* intrinsic.texi (SYSTEM_CLOCK): Update documentation of SYSTEM_CLOCK.

2012-12-03  Tobias Burnus  <burnus@net-b.de>
	    Janus Weil  <janus@gcc.gnu.org>

	PR fortran/37336
	* class.c (gfc_is_finalizable): New function.
	* gfortran.h (gfc_is_finalizable): Its prototype.
	* module.c (mio_component): Read initializer for vtype's _final.
	* resolve.c (resolve_fl_derived0): Call gfc_is_finalizable.
	* trans-expr.c (gfc_vtable_final_get): New function.
	(conv_parent_component_references): Fix comment.
	(gfc_conv_variable): Fix for scalar coarray components.
	* trans-intrinsic.c (conv_intrinsic_move_alloc): For BT_CLASS,
	pass the BT_CLASS type and not the declared type to
	gfc_deallocate_scalar_with_status.
	* trans.h (gfc_vtable_final_get): New prototype.

2012-12-03  Tobias Burnus  <burnus@net-b.de>

	PR fortran/55475
	* scanner.c (gfc_next_char_literal): Fix setting locus
	to free_line_length for the error message.
	* error.c (show_locus): Fix potential out-of-bounds
	read.

2012-12-03  Tobias Burnus  <burnus@net-b.de>

	PR fortran/37336
	* class.c (finalizer_insert_packed_call): New static function.
	(finalize_component, generate_finalization_wrapper):
	Fix coarray handling and packing.

2012-12-02  Paul Thomas  <pault@gcc.gnu.org>

	* resolve.c (resolve_allocate_deallocate,
	resolve_typebound_intrinsic_op): Recover revisions 193568 and
	193778, which were accidentally reverted by the previous patch.

2012-12-01   Alessandro Fanfarillo <alessandro.fanfarillo@gmail.com>
	     Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/46897
	* gfortran.h : Add bit field 'defined_assign_comp' to
	symbol_attribute structure.
	Add primitive for gfc_add_full_array_ref.
	* expr.c (gfc_add_full_array_ref): New function.
	(gfc_lval_expr_from_sym): Call new function.
	* resolve.c (add_comp_ref): New function.
	(build_assignment): New function.
	(get_temp_from_expr): New function
	(add_code_to_chain): New function
	(generate_component_assignments): New function that calls all
	the above new functions.
	(resolve_code): Call generate_component_assignments.
	(check_defined_assignments): New function.
	(resolve_fl_derived0): Call check_defined_assignments.
	(gfc_resolve): Reset component_assignment_level in case it is
	left in a bad state by errors.


	* resolve.c (is_sym_host_assoc, resolve_procedure_interface,
	resolve_contained_fntype, resolve_procedure_expression,
	resolve_elemental_actual, resolve_global_procedure,
	is_scalar_expr_ptr, gfc_iso_c_func_interface, resolve_function,
	set_name_and_label, gfc_iso_c_sub_interface,
	resolve_specific_s0, resolve_operator, compare_bound_mpz_t,
	gfc_resolve_character_operator, resolve_typebound_function,
	gfc_resolve_expr, forall_index, remove_last_array_ref,
	conformable_arrays, resolve_allocate_expr,
	resolve_allocate_deallocate, resolve_select_type,
	resolve_transfer, resolve_where,
	gfc_resolve_where_code_in_forall, gfc_resolve_forall_body,
	gfc_count_forall_iterators, resolve_values,
	resolve_bind_c_comms, resolve_bind_c_derived_types,
	gfc_verify_binding_labels, apply_default_init,
	build_default_init_expr, apply_default_init_local,
	resolve_fl_var_and_proc, resolve_fl_procedure,
	gfc_resolve_finalizers, check_generic_tbp_ambiguity,
	resolve_typebound_intrinsic_op, resolve_typebound_procedure,
	resolve_typebound_procedures, ensure_not_abstract,
	resolve_fl_derived0, resolve_fl_parameter, resolve_symbol,
	resolve_equivalence_derived): Remove trailing white space.
	* gfortran.h : Remove trailing white space.

2012-11-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52161
	* trans-stmt.c (gfc_trans_sync): Fix bound checking
	for -fcoarray=lib.

2012-11-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52161
	* trans-stmt.c (gfc_trans_sync): Fix bound checking.

2012-11-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/55476
	* expr.c (gfc_check_pointer_assign): Fix check
	pointer-might-outlive-target check for host_assoc.

2012-11-26  Eric Botcazou  <ebotcazou@adacore.com>

	* trans-decl.c (gfc_finish_var_decl): Do not set DECL_RESTRICTED_P.

2012-11-26  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/54997
	* decl.c (match_procedure_decl): Don't set 'referenced' attribute
	for PROCEDURE declarations.
	* parse.c (gfc_fixup_sibling_symbols,parse_contained): Don't set
	'referenced' attribute for all contained procedures.
	* trans-decl.c (gfc_get_symbol_decl): Allow for unreferenced procedures.
	(build_function_decl): Set TREE_USED for referenced procedures.

2012-11-26  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/54881
	* match.c (select_derived_set_tmp,select_class_set_tmp): Removed and
	unified into ...
	(select_type_set_tmp): ... this one. Set POINTER argument according to
	selector.
	* trans-intrinsic.c (gfc_conv_associated): Use 'gfc_class_data_get'
	instead of 'gfc_add_data_component'.

2012-11-25  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/30146
	* frontend-passes.c (doloop_warn):  New function.
	(doloop_list):  New static variable.
	(doloop_size):  New static variable.
	(doloop_level):  New static variable.
	(gfc_run_passes): Call doloop_warn.
	(doloop_code):  New function.
	(doloop_function):  New function.
	(gfc_code_walker):  Keep track of DO level.

2012-11-24  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/55314
	* resolve.c (resolve_allocate_deallocate):  Compare all
	subscripts when deciding if to reject a (de)allocate
	statement.

2012-11-21  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/55352
	* trans-decl.c (generate_local_decl): Don't warn for explicitly imported
	but unused module variables which are in a namelist or common block.

2012-11-20  Diego Novillo  <dnovillo@google.com>
	    Jakub Jelinek  <jakub@redhat.com>

	* trans-openmp.c: Replace all vec<T, A>() initializers
	with vNULL.

2012-11-17  Diego Novillo  <dnovillo@google.com>

	Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)

	* frontend-passes.c: Use new vec API in vec.h.
	* trans-array.c: Likewise.
	* trans-common.c: Likewise.
	* trans-decl.c: Likewise.
	* trans-expr.c: Likewise.
	* trans-intrinsic.c: Likewise.
	* trans-openmp.c: Likewise.
	* trans-stmt.c: Likewise.
	* trans-types.c: Likewise.
	* trans.h: Likewise.

2012-11-17  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/55341
	* trans-intrinsic.c (gfc_conv_intrinsic_transfer): Convert last
	argument to memcpy to size_type_node type.
	* trans-stmt.c (gfc_conv_elemental_dependencies): Likewise.
	* trasn-array.c (duplicate_allocatable): Likewise.

2012-11-16  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/55297
	* resolve.c (resolve_typebound_intrinsic_op): Only add typebound
	operators to the operator list in the namespace of the derived type.


2012-11-12  Jan Hubicka  <jh@suse.cz>

	* f95-lang.c (ATTR_NOTHROW_LEAF_MALLOC_LIST): New macro.
	(gfc_define_builtin): Use set_call_expr_flags.
	(gfc_init_builtin_functions): Update.

2012-11-12  Tobias Burnus  <burnus@net-b.de>

	PR fortran/55272
	* module.c (mio_array_spec): Correctly handle coarray
	scalars.

2012-11-07  Tobias Schlüter  <tobi@gcc.gnu.org>

	PR fortran/51727
	* module.c (sorted_pointer_info): New.
	(gfc_get_sorted_pointer_info): New.
	(free_sorted_pointer_info_tree): New.
	(compare_sorted_pointer_info): New.
	(find_symbols_to_write): New.
	(write_symbol1_recursion): New.
	(write_symbol1): Collect symbols that need writing, output in order.
	(write_generic): Traverse tree in order.

2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53063
	* options.c (set_Wall): Do not set warn_switch here.

2012-11-06  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/54917
	* target-memory.c (gfc_target_expr_size,gfc_target_interpret_expr):
	Handle BT_CLASS.
	* trans-intrinsic.c (gfc_conv_intrinsic_transfer): Add support for
	polymorphic arguments.

2012-11-04  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/55199
	* primary.c (gfc_match_varspec): Clear typespec if it cannot be
	determined at this point.

2012-10-31  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/53718
	* trans.h (GFC_DECL_PUSH_TOPLEVEL): Removed.
	* trans-decl.c (gfc_get_symbol_decl,gfc_generate_function_code): Remove
	GFC_DECL_PUSH_TOPLEVEL.
	(build_function_decl): Do not push __copy procedure to toplevel.

2012-10-31  Tobias Burnus  <burnus@net-b.de>

	PR fortran/55134
	* trans-array.c (gfc_conv_array_parameter): Regard AS_DEFERRED as
	array with descriptor.

2012-10-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54958
	* gfortran.h (gfc_resolve_iterator_expr,
	gfc_check_vardef_context): Update prototype.
	* expr.c (gfc_check_vardef_context): Add own_scope
	argument and honour it.
	* resolve.c (gfc_resolve_iterator_expr): Add own_scope
	argument and honour it.
	(resolve_deallocate_expr, resolve_allocate_expr,
	resolve_data_variables, resolve_transfer
	resolve_lock_unlock, resolve_code): Update calls.
	* array.c (resolve_array_list): Ditto.
	* check.c (gfc_check_atomic_def, gfc_check_atomic_ref): Ditto.
	* interface.c (compare_actual_formal): Ditto.
	* intrinsic.c (check_arglist): Ditto.
	* io.c (resolve_tag, gfc_resolve_dt, gfc_resolve_inquire): Ditto.

2012-10-27  Thomas Koenig  <tkoenig@gcc.gnu.org>

	* trans.c (gfc_allocate_allocatable):  Revert accidental
	commit.

2012-10-24  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/55037
	* trans-expr.c (gfc_conv_procedure_call): Move a piece of code and
	remove an assert.

2012-10-21  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54725
	* Make-lang.in (CFLAGS-cpp.o): Use TARGET_SYSTEM_ROOT_DEFINE.
	* cpp.o (gfc_cpp_init_options): Use it for
	setting gfc_cpp_option.sysroot.

2012-10-21  Thomas König  <tkoenig@gcc.gnu.org>

	PR fortran/54465
	* lang.opt (Wextra):  Add.
	* invoke.texi:  Document that -Wc-binding-type, -Wconversion
	and -Wline-truncation are implied by -Wall.  Document that
	-Wcompare-reals is implied by -Wextra.  Document -Wextra.
	* options.c (set_Wextra):  New function.
	(gfc_handle_option):  Handle -Wextra.

2012-10-19  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/54224
	* trans-expr.c (conv_function_val): Set TREE_USED.

2012-10-18  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54884
	* resolve.c (specification_expr): Change to bool.
	(resolve_formal_arglist, resolve_symbol): Set
	specification_expr to true before resolving the array spec.
	(resolve_variable, resolve_charlen, resolve_fl_variable):
	Properly reset specification_expr.
	(resolve_function): Set public_use when used in
	a specification expr.

2012-10-16  Tobias Burnus  <burnus@net-b.de>

	PR fortran/50981
	PR fortran/54618
	* trans.h (gfc_conv_derived_to_class, gfc_conv_class_to_class):
	Update prototype.
	* trans-stmt.c (trans_associate_var,gfc_trans_allocate): Update
	calls to those functions.
	* trans-expr.c (gfc_conv_derived_to_class, gfc_conv_class_to_class,
	gfc_conv_expr_present): Handle absent polymorphic arguments.
	(class_scalar_coarray_to_class): New function.
	(gfc_conv_procedure_call): Update calls.

2012-10-12  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/40453
	* interface.c (check_dummy_characteristics): Recursively check dummy
	procedures.

2012-10-11  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/54784
	* trans-stmt.c (gfc_trans_allocate): Correctly determine the reference
	to the _data component for polymorphic allocation with SOURCE.

2012-10-06  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/54832
	* resolve.c (resolve_fl_derived0): Correctly copy the 'class_ok'
	attribute for proc-ptr components with RESULT variable.

2012-10-06  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/45521
	* interface.c (generic_correspondence): Implement additional
	distinguishability criteria of F08.
	(compare_actual_formal): Reject data object as actual argument for
	procedure formal argument.

2012-10-04  Tobias Burnus  <burnus@net-b.de>

	* expr.c (scalarize_intrinsic_call): Plug memory leak.
	* frontend-passes.c (gcc_assert): Extend assert.
	* interface.c (gfc_compare_derived_types): Fix comparison.
	(gfc_check_operator_interface): Move up to make this error
	message reachable.
	(get_sym_storage_size): Remove always-true checks.
	* io.c (format_lex): Add comment.
	(gfc_free_wait): Free memory.
	* match.c (gfc_match_select_type): Ditto.
	* matchexpr.c (match_level_3): Ditto.
	* primary.c (match_string_constant): Ditto.
	(match_actual_arg): Check return value.
	* resolve.c (gfc_resolve_substring_charlen,
	resolve_typebound_generic_call, resolve_typebound_function,
	resolve_typebound_subroutine): Free memory.
	* trans-types.c (gfc_get_derived_type): Remove always-true check.

2012-10-02  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/54778
	* interface.c (matching_typebound_op): Check for 'class_ok' attribute.

2012-09-30  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/54667
	* intrinsic.texi (C_F_POINTER): Fix description.
	* resolve.c (gfc_iso_c_sub_interface): Add a check for FPTR argument
	of C_F_POINTER. Modify two error messages. Cleanup.

2012-09-24  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54618
	PR fortran/54690
	* trans-expr.c (gfc_conv_procedure_call): Fix INTENT(OUT)
	handling for allocatable BT_CLASS.

2012-09-24  Lawrence Crowl  <crowl@google.com>

	* trans-expr.c (gfc_conv_cst_int_power): Change to new double_int API.
	* target-memory.c (gfc_interpret_logical): Likewise.

2012-09-23  Tobias Burnus  <burnus@net-b.de>

	* parse.c (parse_derived): Don't set attr.alloc_comp
	for pointer components with allocatable subcomps.

	PR fortran/54599
	* resolve.c (resolve_fl_namelist): Remove superfluous
	NULL check.
	* simplify.c (simplify_min_max): Remove unreachable code.
	* trans-array.c (gfc_trans_create_temp_array): Change
	a condition into an assert.

	PR fortran/54618
	* trans-expr.c (gfc_trans_class_init_assign): Guard
	re-setting of the _data by gfc_conv_expr_present.
	(gfc_conv_procedure_call): Fix INTENT(OUT) handling
	for allocatable BT_CLASS.

2012-09-22  Thomas König  <tkoenig@gcc.gnu.org>

	PR fortran/54599
	* dependency.c (gfc_dep_compare_expr):  Clarify logic,
	remove dead code.

2012-09-20  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54599
	* cpp.c (print_line): Properly handle extern C.

2012-09-20  Martin Jambor  <mjambor@suse.cz>

	* trans-decl.c (gfc_get_extern_function_decl): Push NULL cfun.  Do not
	set and restore current_function_decl.
	(gfc_init_coarray_decl): Do not set and restore current_function_decl.

2012-09-17  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54608
	* simplify.c (gfc_simplify_scan, gfc_simplify_verify):
	Fix handling of BACK=variable.

2012-09-17  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/54285
	* expr.c (gfc_check_pointer_assign): Correctly handle procedure pointers
	as function results.
	* primary.c (gfc_match_varspec): Allow to call a PPC with proc-ptr
	result.

2012-09-17  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54603
	* trans-expr.c (gfc_trans_subcomponent_assign): Handle
	proc-pointer components.

2012-09-17  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54599
	* error.c (error_print): Move increment out of the assert.
	* interface.c (gfc_compare_derived_types): Add assert.
	(get_expr_storage_size): Remove always-true logical condition.
	* resolve.c (resolve_allocate_expr): Fix looping logic.
	* target-memory.c (gfc_target_expr_size): Add assert.

2012-09-16  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/54594
	* resolve.c (get_checked_tb_operator_target): Add a reference to the
	relevant quote from the F08 standard.

2012-09-16  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/54594
	* interface.c (compare_type_rank): Handle CLASS arrays.

2012-09-16  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/54387
	* expr.c (gfc_check_pointer_assign): Check for result of embracing
	function.

2012-09-16  Tobias Burnus  <burnus@net-b.de>

	* trans-decl.c (gfc_generate_function_code): Fix
	gfc_option.coarray check.
	* trans-stmt.c (compute_inner_temp_size): Fix handling
	of gfc_option.rtcheck.

2012-09-16  Mikael Morin  <mikael@gcc.gnu.org>

	* symbol.c (gfc_undo_symbols): Correctly undo namelists.

2012-09-15  Tobias Burnus  <burnus@net-b.de>

	* trans-io.c (gfc_trans_transfer): Add an assert.

2012-09-15  Tobias Burnus  <burnus@net-b.de>

	* arith.c (arith_power): Call gfc_free_expr in case of error.
	* array.c (gfc_match_array_constructor): Initialize variable.
	(gfc_resolve_character_array_constructor): Remove superfluous check.
	(gfc_array_dimen_size): Add assert.
	* check.c (numeric_check): Fix implicit typing.
	* class.c (gfc_build_class_symbol): Add assert.
	(finalize_component): Free memory.
	* dump-parse-tree.c (show_namespace): Add assert.
	* trans-io.c (transfer_namelist_element, transfer_expr): Avoid
	memory leakage.
	(gfc_trans_transfer): Add assert.
	* trans.c (gfc_trans_runtime_check): Call va_end

2012-09-15  Tobias Burnus  <burnus@net-b.de>

	* match.c (lock_unlock_statement, sync_statement): Fix potential
	double freeing.
	(sync_statement): Remove unreachable code.
	* simplify.c (gfc_simplify_bessel_n2): Avoid double freeing.
	(gfc_simplify_repeat): Remove bogus code.
	* target-memory.h (gfc_target_encode_expr): Update prototype.
	* target-memory.c (gfc_target_encode_expr, encode_array,
	encode_derived): Return unsigned HOST_WIDE_INT.
	(gfc_target_interpret_expr): Add assert.
	(gfc_merge_initializers): Fix "== 0" check for mpz_t.
	* symbol.c (gfc_get_typebound_proc): Add assert.
	(gfc_merge_initializers): Remove unreachable check.

2012-09-13  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54556
	* resolve.c (resolve_formal_arglist): Allow VALUE arguments
	with implicit_pure.
	(gfc_impure_variable): Don't check gfc_pure such that the
	function also works for gfc_implicit_pure procedures.

2012-09-12  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54225
	PR fortran/53306
	* array.c (match_subscript, gfc_match_array_ref): Fix
	diagnostic of coarray's '*'.

2012-09-07  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/54208
	* simplify.c (simplify_bound_dim): Resolve array spec before
	proceeding with simplification.

2012-09-06  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54463
	* trans-intrinsic.c (gfc_conv_intrinsic_funcall): Fix matmul
	call to BLAS if the default-kind has been promoted.

2012-09-05  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54462
	* symbol.c (gfc_undo_symbols): Avoid NULL pointer dereference.

2012-09-04  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/54435
	PR fortran/54443
	* match.c (gfc_match_select_type): Make sure to only access CLASS_DATA
	for BT_CLASS.

2012-09-03  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54467
	* class.c (gfc_find_derived_vtab): Fix disabling of _final
	by continuing to generate normal type-bound procedures.

2012-09-03  Tobias Burnus  <burnus@net-b.de>

	* class.c (gfc_find_derived_vtab): Disable ABI-breaking
	generation of the "_final" subroutine for now.

2012-09-03  Tobias Burnus  <burnus@net-b.de>

	* class.c (finalize_component): Fixes to the comment.

2012-09-03  Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
	    Tobias Burnus  <burnus@net-b.de>

	PR fortran/37336
	* gfortran.h (symbol_attribute): Add artificial.
	* module.c (mio_symbol_attribute): Handle attr.artificial
	* class.c (gfc_build_class_symbol): Defer creation of the vtab
	if the DT has finalizers, mark generated symbols as
	attr.artificial.
	(has_finalizer_component, finalize_component,
	finalization_scalarizer, generate_finalization_wrapper):
	New static functions.
	(gfc_find_derived_vtab): Add _final component and call
	generate_finalization_wrapper.
	* dump-parse-tree.c (show_f2k_derived): Use resolved
	proc_tree->n.sym rather than unresolved proc_sym.
	(show_attr): Handle attr.artificial.
	* resolve.c (gfc_resolve_finalizers): Ensure that the vtab exists.
	(resolve_fl_derived): Resolve finalizers before
	generating the vtab.
	(resolve_symbol): Also allow assumed-rank arrays with CONTIGUOUS;
	skip artificial symbols.
	(resolve_fl_derived0): Skip artificial symbols.

2012-09-02  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54426
	* symbol.c (find_common_symtree): New function.
	(gfc_undo_symbols): Use it; free common_head if needed.

2012-08-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54389
	* trans-decl.c (gfc_get_extern_function_decl,
	build_function_decl): Don't mark impure elemental
	functions as DECL_PURE_P and honour implicit_pure.

2012-08-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54382
	* error.c (show_locus): Avoid out of bound access.

2012-08-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54384
	* decl.c (match_data_constant): Add missing gfc_free_expr.
	(top_val_list): Remove always-true condition.
	* data.c (get_array_index, create_character_initializer):
	Free temporary expressions.
	(gfc_assign_data_value): Free expression when aborting.

2012-08-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54384
	* symbol.c (gfc_copy_formal_args): Set also sym->formal_ns.

2012-08-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54384
	* resolve.c (gfc_resolve_character_operator): Free temporary
	variables.
	* trans-expr.c (gfc_conv_statement_function): Ditto.

2012-08-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54384
	* dependency.c (check_section_vs_section): Use gfc_free_expr
	instead of free.
	* trans-intrinsic.c (conv_generic_with_optional_char_arg): Use
	gfc_free_symbol instead of free.

2012-08-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54384
	* trans-expr.c (gfc_trans_arrayfunc_assign): Free se.ss
	and loop.

2012-08-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/41093
	* gfortran.h (gfc_common_head): Add "int refs".
	* match.c (gfc_match_common): Increment refs.
	* resolve.c (resolve_symbol): Only increment formal_ns->refs
	if formal_ns is not sym->ns.
	* symbol.c (gfc_free_symbol): Only free formal_ns if
	if formal_ns is not sym->ns. Free common_block if refs is one.
	(gfc_release_symbol): Release formal_ns only if the
	symbol is not ENTRY of a module.
	* decl.c (get_proc_name): Don't increment gfc_current_ns->refs.
	* parse.c (parse_interface): Incement proc_unit->refs++ for
	proc-pointer result variables.
	* module.c (mio_symbol): Don't increase sym->refs for its
	use in sym->formal_ns->proc_name.

2012-08-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54370
	* trans-stmt.c (gfc_trans_do_while): Don't change the logical
	kind for negation of the condition.

2012-08-27  Tobias Burnus  <burnus@net-b.de>

	* options.c (set_Wall): Don't set for -Wcompare-reals.
	* invoke.texi (-Wall, -Wcompare-reals): -Wall no longer
	implies -Wcompare-reals.

2012-08-24  Simon Baldwin  <simonb@google.com>

	* lang.opt (-cpp=): Mark flag NoDWARFRecord.

2012-08-23  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54350
	* trans-array.c (free_ss_info): Free data.array.subscript.
	(gfc_free_ss): No longer free data.array.subscript.
	(walk_coarray): New function, moved from trans-intrinsic.c
	(gfc_conv_expr_descriptor): Walk array descriptor instead
	of taking passed "ss".
	(get_array_ctor_all_strlen, gfc_add_loop_ss_code,
	gfc_conv_array_parameter): Update call and cleanup ss handling.
	* trans-array.h (gfc_conv_expr_descriptor,
	gfc_conv_array_parameter): Update prototype.
	* trans-expr.c (gfc_conv_derived_to_class,
	conv_isocbinding_procedure, gfc_conv_procedure_call,
	gfc_trans_alloc_subarray_assign, gfc_trans_subcomponent_assign,
	gfc_trans_pointer_assignment, gfc_trans_arrayfunc_assign): Update
	call to gfc_conv_expr_descriptor and gfc_conv_array_parameter, and
	clean up.
	* trans-intrinsic.c (walk_coarray): Moved to trans-array.c
	(trans_this_image, trans_image_index, gfc_conv_intrinsic_rank
	gfc_conv_intrinsic_bound, gfc_conv_intrinsic_cobound,
	gfc_conv_intrinsic_len, gfc_conv_intrinsic_size,
	gfc_conv_intrinsic_sizeof, gfc_conv_intrinsic_storage_size,
	gfc_conv_intrinsic_transfer, gfc_conv_allocated,
	gfc_conv_associated, gfc_conv_intrinsic_loc,
	conv_intrinsic_move_alloc): Update calls.
	* trans-io.c (gfc_convert_array_to_string, set_internal_unit,
	gfc_trans_transfer): Ditto.
	* trans-stmt.c (gfc_conv_elemental_dependencies,
	gfc_trans_sync, trans_associate_var,
	gfc_trans_pointer_assign_need_temp): Ditto.

2012-08-23  Jakub Jelinek  <jakub@redhat.com>

	* trans-decl.c (trans_function_start, generate_coarray_init,
	create_main_function, gfc_generate_constructors): Call
	allocate_struct_function instead of init_function_start.

2012-08-22  Tobias Burnus  <burnus@net-b.de>

	* trans-expr.c (gfc_copy_class_to_class,
	gfc_trans_arrayfunc_assign): Free loop and ss data.
	* trans-intrinsic.c (gfc_trans_arrayfunc_assign): Free ss data.

2012-08-21  Tobias Burnus  <burnus@net-b.de>

	* parse.c (parse_contained): Include EXEC_END_PROCEDURE
	in ns->code to make sure the gfc_code is freed.

2012-08-20  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54301
	* expr.c (gfc_check_pointer_assign): Warn when a pointer,
	which is a function result, might outlive its target.

2012-08-20  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54301
	* expr.c (gfc_check_pointer_assign): Warn when the pointer
	might outlive its target.
	* gfortran.h (struct gfc_option_t): Add warn_target_lifetime.
	* options.c (gfc_init_options, set_wall, gfc_handle_option):
	handle it.
	* invoke.texi (-Wtarget-lifetime): Document it.
	(-Wall): Implied it.
	* lang.opt (-Wtarget-lifetime): New flag.

2012-08-19  Thomas König  <tkoenig@gcc.gnu.org>

	PR fortran/54298
	* gfortran.h (struct gfc_option_t): Add warn_compare_reals.
	* lang.opt:  Add Wcompare-reals.
	* invoke.texi:  Document -Wcompare-reals.
	* resolve.c (resolve_operator):  If -Wcompare-reals is in effect,
	warn about equality/inequality comparisions for REAL and COMPLEX.
	* options.c (gfc_init_options):  Set warn_compare_reals.
	(set_Wall):  Include warn_compare_reals in Wall.
	(gfc_handle_option):  Handle Wcompare_reals.

2012-08-17  Jakub Jelinek  <jakub@redhat.com>

	* array.c (gfc_match_array_ref): Fix up memset arguments.

2012-08-16   Diego Novillo  <dnovillo@google.com>

	Revert

	PR bootstrap/54281
	* gfortran.h: Do not include gmp.h.

2012-08-16   Diego Novillo  <dnovillo@google.com>

	PR bootstrap/54281
	* gfortran.h: Do not include gmp.h.

2012-08-15  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/54243
	PR fortran/54244
	* resolve.c (check_typebound_baseobject): Check for class_ok attribute.
	(resolve_procedure_interface,resolve_fl_derived0): Copy class_ok
	attribute.

2012-08-14  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/47586
	* trans-expr.c (expr_is_variable): Handle regular, procedure pointer,
	and typebound functions returning a data pointer.

2012-08-14  Mikael Morin  <mikael@gcc.gnu.org>

	* decl.c (match_ppc_decl): Copy the procedure interface's symbol
	as procedure interface's result.

2012-08-14  Mikael Morin  <mikael@gcc.gnu.org>

	* trans-expr.c (gfc_trans_scalar_assign): Rename argument,
	extend comment.

2012-08-14  Mikael Morin  <mikael@gcc.gnu.org>

	* gfortran.h (gfc_get_proc_ptr_comp): New prototype.
	(gfc_is_proc_ptr_comp): Update prototype.
	* expr.c (gfc_get_proc_ptr_comp): New function based on the old
	gfc_is_proc_ptr_comp.
	(gfc_is_proc_ptr_comp): Call gfc_get_proc_ptr_comp.
	(gfc_specification_expr, gfc_check_pointer_assign): Use
	gfc_get_proc_ptr_comp.
	* trans-array.c (gfc_walk_function_expr): Likewise.
	* resolve.c (resolve_structure_cons, update_ppc_arglist,
	resolve_ppc_call, resolve_expr_ppc): Likewise.
	(resolve_function): Update call to gfc_is_proc_ptr_comp.
	* dump-parse-tree.c (show_expr): Likewise.
	* interface.c (compare_actual_formal): Likewise.
	* match.c (gfc_match_pointer_assignment): Likewise.
	* primary.c (gfc_match_varspec): Likewise.
	* trans-io.c (gfc_trans_transfer): Likewise.
	* trans-expr.c (gfc_conv_variable, conv_function_val,
	conv_isocbinding_procedure, gfc_conv_procedure_call,
	gfc_trans_pointer_assignment): Likewise.
	(gfc_conv_procedure_call, gfc_trans_array_func_assign):
	Use gfc_get_proc_ptr_comp.

2012-08-14  Tobias Burnus  <burnus@net-b.de>

	PR fortran/40881
	* error.c (gfc_notify_std): Reset cur_error_buffer->flag flag
	when the error/warning has been printed.
	* gfortran.h (gfc_sl_type): Add ST_LABEL_DO_TARGET.
	* match.c (gfc_match_do): Use ST_LABEL_DO_TARGET.
	* parse.c (check_statement_label): Use ST_LABEL_DO_TARGET.
	(parse_executable): Add obsolescence check for DATA.
	* resolve.c (resolve_branch): Handle ST_LABEL_DO_TARGET.
	* symbol.c (gfc_define_st_label, gfc_reference_st_label):
	Add obsolescence diagnostics.
	* trans-stmt.c (gfc_trans_label_assign): Handle ST_LABEL_DO_TARGET.

2012-08-14  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54234
	* check.c (gfc_check_cmplx): Add -Wconversion warning
	when converting higher-precision REAL to default-precision
	CMPLX without kind= parameter.

2012-08-12  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54221
	* trans-decl.c (gfc_finish_var_decl, build_function_decl):
	Fix setting private module vars/procs as TREE_PUBLIC(...) = 0.

2012-08-09  Tobias Burnus  <burnus@net-b.de>

	PR fortran/54199
	* intrinsic.c (gfc_warn_intrinsic_shadow): Better warning
	for internal procedures.

2012-08-06  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/35831
	* interface.c (check_result_characteristics): New function, which checks
	the characteristics of function results.
	(gfc_compare_interfaces,gfc_check_typebound_override): Call it.

2012-08-02  Thomas König  <tkoenig@gcc.gnu.org>

	 PR fortran/54033
	 * scanner.c (add_path_to_list):  New argument warn.  Don't
	 warn if it is true.
	 (gfc_add_include_path):  Warn if directory is missing.
	 (gfc_add_intrinsic_modules_path):  Do not warn if directory
	 is missing.
	 * optinons.c (gfc_handle_option):  Do not add directory
	 for intrinsic modules to normal include path.

2012-08-03  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/54166
	* trans-array.c (set_loop_bounds): Access specinfo using spec_dim.

2012-08-02  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/48820
	* trans-array.c (gfc_conv_ss_startstride): Set the intrinsic
	result's lower and upper bounds according to the rank.
	(set_loop_bounds): Set the loop upper bound in the intrinsic case.

2012-08-02  Mikael Morin  <mikael@gcc.gnu.org>

	* trans-array.c (set_loop_bounds): Allow non-array-section to be
	chosen using the stride and lower bound criteria.

2012-08-02  Mikael Morin  <mikael@gcc.gnu.org>

	* trans-array.c (set_loop_bounds): Remove useless dimension check.
	Don't update loopspec if it would loose the wanted stride criterion.

2012-08-02  Mikael Morin  <mikael@gcc.gnu.org>

	* trans-array.h (gfc_conv_descriptor_rank): New prototype.
	* trans-array.c (gfc_conv_descriptor_rank): New function moved and
	renamed ...
	* trans-intrinsic.c (get_rank_from_desc): ... from this one.
	(gfc_conv_intrinsic_rank, gfc_conv_intrinsic_bound,
	gfc_conv_associated): Also rename function calls.

2012-08-02  Mikael Morin  <mikael@gcc.gnu.org>

	* iresolve.c (resolve_bound, gfc_resolve_shape):
	Don't set the shape for assumed rank arrays.
	* simplify.c (gfc_simplify_shape): Don't try to simplify if the
	argument is assumed rank.

2012-08-02  Mikael Morin  <mikael@gcc.gnu.org>

	* array.c (gfc_copy_array_ref): Don't copy the offset field.
	* expr.c (find_array_section): Ignore the offset field.
	* trans-expr.c (gfc_find_interface_mapping_to_ref): Don't apply
	any interface mapping to the offset field.
	* gfortran.h (struct gfc_array_ref): Remove the offset field.

2012-08-02  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/54147
	* resolve.c (check_proc_interface): New routine for PROCEDURE interface
	checks.
	(resolve_procedure_interface,resolve_typebound_procedure,
	resolve_fl_derived0): Call it.

2012-08-01  Thomas König  <tkoenig@gcc.gnu.org>

	PR fortran/54033
	* scanner.c (add_path_to_list): Emit warning if an error occurs
	for an include path, if it is not present or if it is not a
	directory.  Do not add the path in these cases.

2012-07-31  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/42418
	* decl.c (match_procedure_interface): Move some checks to
	'resolve_procedure_interface'. Set flavor if appropriate.
	* expr.c (gfc_check_pointer_assign): Cleanup of 'gfc_is_intrinsic'.
	* intrinsic.c (gfc_is_intrinsic): Additional checks for attributes which
	identify a procedure as being non-intrinsic.
	* resolve.c (resolve_procedure_interface): Checks moved here from
	'match_procedure_interface'. Minor cleanup.
	(resolve_formal_arglist,resolve_symbol): Cleanup of
	'resolve_procedure_interface'
	(resolve_actual_arglist,is_external_proc): Cleanup of
	'gfc_is_intrinsic'.

2012-07-31  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/54134
	* dependency.c (gfc_dep_compare_expr): Check if arguments are NULL.

2012-07-31  Tobias Burnus  <burnus@net-b.de>

	* interface.c (gfc_procedure_use): Return gfc_try instead of void.
	* gfortran.h (gfc_procedure_use): Update prototype.
	* resolve.c (gfc_iso_c_func_interface): Allow noninteroperable
	procedures for c_funloc for TS29113.
	* (gfc_iso_c_sub_interface): Ditto for c_f_procpointer. Add
	diagnostic for c_ptr vs. c_funptr for c_f_(proc)pointer.

2012-07-30  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/51081
	* gfortran.h (gfc_resolve_intrinsic): Add prototype.
	* expr.c (gfc_check_pointer_assign): Set INTRINSIC attribute if needed.
	Check for invalid intrinsics.
	* primary.c (gfc_match_rvalue): Check for intrinsics came too early.
	Set procedure flavor if appropriate.
	* resolve.c (resolve_intrinsic): Renamed to gfc_resolve_intrinsic.
	(resolve_procedure_interface,resolve_procedure_expression,
	resolve_function,resolve_fl_derived0,resolve_symbol): Ditto.

2012-07-26  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/44354
	* trans-array.c (gfc_trans_array_constructor_value):
	Evaluate the iteration bounds before the inner variable shadows
	the outer.

2012-07-26  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/44354
	* array.c (sought_symbol): New variable.
	(expr_is_sought_symbol_ref, find_symbol_in_expr): New functions.
	(resolve_array_list): Check for references to the induction
	variable in the iteration bounds and issue a diagnostic if some
	are found.

2012-07-26  Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
	    Tobias Burnus  <burnus@net-b.de>

	* module.c (mio_array_spec): Don't read as->lower for
	assumed-rank arrays.

2012-07-25  Tobias Burnus  <burnus@net-b.de>

	* trans-types.c (gfc_real16_is_float128): Fix spelling
	in a comment.
	* trans.h (struct gfc_array_info): Ditto.
	* gfortran.h (gfc_expr): Ditto.
	* simplify.c (gfc_count): Ditto.
	* trans-expr.c (gfc_copy_class_to_class,
	conv_parent_component_references,
	gfc_trans_pointer_assignment): Ditto.
	* expr.c (check_pointer_assign): Fix diagnostic spelling.
	* interface.c (compare_parameter): Ditto.
	* parse.c (use_modules, parse_associate): Ditto.
	* decl.c (match_char_length): Fix spelling of the
	an function argument.

2012-07-21  Tobias Burnus  <burnus@net-b.de>

	* iso-c-binding.def (C_PTRDIFF_T): New TS29113 parameter.
	* intrinsic.texi (ISO_C_BINDING): Document it.

2012-07-21  Tobias Burnus  <burnus@net-b.de>

	PR fortran/48820
	* trans-intrinsic.c (gfc_conv_intrinsic_bound): Support
	lbound/ubound with dim= for assumed-rank arrays.
	* array.c (gfc_set_array_spec): Reject coarrays with
	assumed shape.
	* decl.c (merge_array_spec): Ditto. Return gfc_try.
	(match_attr_spec, match_attr_spec): Update call.

2012-07-21  Tobias Burnus  <burnus@net-b.de>

	* resolve.c (resolve_formal_arglist): Put variable
	declaration before the first assignment.

2012-07-21  Tobias Burnus  <burnus@net-b.de>

	* trans-expr.c (gfc_conv_derived_to_class): Fix argument passed
	to class_array_data_assign.

2012-07-20  Tobias Burnus  <burnus@net-b.de>

	* decl.c (gfc_verify_c_interop_param): Allow assumed-shape
	with -std=f2008ts.

2012-07-20  Tobias Burnus  <burnus@net-b.de>

	PR fortran/48820
	* array.c (match_array_element_spec, gfc_match_array_spec,
	spec_size, gfc_array_dimen_size): Add support for
	assumed-rank arrays.
	* check.c (dim_rank_check): Ditto.
	* class.c (gfc_add_component_ref): Ditto.
	(gfc_build_class_symbol): Regard assumed-rank arrays
	as having GFC_MAX_DIMENSIONS. And build extra class
	container for a scalar pointer class.
	* decl.c (merge_array_spec): Add assert.
	* dump-parse-tree.c (show_array_spec): Add support for
	assumed-rank arrays.
	* expr.c (gfc_is_simply_contiguous): Ditto.
	* gfortran.h (array_type): Ditto.
	(gfc_array_spec, gfc_expr): Add comment to "rank" field.
	* interface.c (compare_type_rank, argument_rank_mismatch,
	compare_parameter, gfc_procedure_use): Ditto.
	(compare_actual_formal): Fix NULL() to optional-dummy
	handling for polymorphic dummies.
	* module.c (mio_typespec): Add support for
	assumed-rank arrays.
	* resolve.c (resolve_formal_arglist, resolve_actual_arglist,
	resolve_elemental_actual, resolve_global_procedure,
	expression_shape, resolve_variable, update_ppc_arglist,
	check_typebound_baseobject, gfc_resolve_expr,
	resolve_fl_var_and_proc, gfc_resolve_finalizers,
	resolve_typebound_procedure, resolve_symbol): Ditto.
	(assumed_type_expr_allowed): Remove static variable.
	(actual_arg, first_actual_arg): New static variables.
	* simplify.c (simplify_bound, gfc_simplify_range): Add
	support for assumed-rank arrays.
	* trans-array.c (gfc_conv_array_parameter): Ditto.
	(gfc_get_descriptor_dimension): New function, which returns
	the descriptor.
	(gfc_conv_descriptor_dimension): Use it.
	(gfc_conv_descriptor_stride_get, gfc_conv_array_parameter):
	Handle GFC_ARRAY_ASSUMED_RANK_CONT and AS_ASSUMED_RANK.
	* trans-array.h (gfc_get_descriptor_dimension): New prototype.
	* trans-decl. (gfc_build_dummy_array_decl,
	gfc_trans_deferred_vars, add_argument_checking): Add
	support for assumed-rank arrays.
	* trans-expr.c (gfc_conv_expr_present, gfc_conv_variable,
	gfc_conv_procedure_call): Ditto.
	(get_scalar_to_descriptor_type, class_array_data_assign,
	conv_scalar_to_descriptor): New static functions.
	(gfc_conv_derived_to_class, gfc_conv_class_to_class): Use
	them.
	* trans-intrinsic.c (get_rank_from_desc): New function.
	(gfc_conv_intrinsic_rank, gfc_conv_associated): Use it.
	* trans-types.c (gfc_array_descriptor_base_caf,
	gfc_array_descriptor_base): Make space for scalar array.
	(gfc_is_nodesc_array, gfc_is_nodesc_array,
	gfc_build_array_type, gfc_get_array_descriptor_base): Add
	support for assumed-rank arrays.
	* trans.h (gfc_array_kind): Add GFC_ARRAY_ASSUMED_RANK and
	GFC_ARRAY_ASSUMED_RANK_CONT.

2012-07-19  Tobias Burnus  <burnus@net-b.de>

	* trans-expr.c (gfc_conv_procedure_call): Fix handling
	of polymorphic arguments.
	* resolve.c (resolve_formal_arglist): Ditto, mark polymorphic
	assumed-shape arrays as such.

2012-07-19  Tobias Burnus  <burnus@net-b.de>

	* interface.c (compare_parameter, compare_actual_formal): Fix
	handling of polymorphic arguments.

2012-07-17  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/51081
	* error.c (gfc_notify_std): Automatically print the relevant Fortran
	standard version.
	* arith.c (arith_power): Remove explicit standard reference string.
	* array.c (gfc_match_array_spec, gfc_match_array_constructor): Ditto.
	* check.c (gfc_check_a_p, gfc_check_besn, gfc_check_count,
	gfc_check_float, gfc_check_fn_rc2008, gfc_check_iand,
	gfc_check_ichar_iachar, gfc_check_ieor, gfc_check_index, gfc_check_ior,
	gfc_check_lbound, gfc_check_len_lentrim, check_rest, gfc_check_min_max,
	gfc_check_null, gfc_check_scan, gfc_check_selected_real_kind,
	gfc_check_shape, gfc_check_size, gfc_check_sngl, gfc_check_ubound,
	gfc_check_verify): Ditto.
	* data.c (gfc_assign_data_value): Ditto.
	* decl.c (var_element, char_len_param_value, match_char_length,
	gfc_verify_c_interop_param, match_pointer_init, variable_decl,
	gfc_match_decl_type_spec, gfc_match_import, match_attr_spec,
	gfc_match_prefix, gfc_match_suffix, match_ppc_decl,
	match_procedure_in_interface, gfc_match_procedure,gfc_match_entry,
	gfc_match_subroutine, gfc_match_end, gfc_match_codimension,
	gfc_match_protected, gfc_match_value, gfc_match_volatile,
	gfc_match_asynchronous, gfc_match_modproc, gfc_get_type_attr_spec,
	gfc_match_enum, match_procedure_in_type): Ditto.
	* expr.c (check_elemental, gfc_check_assign, gfc_check_pointer_assign):
	Ditto.
	* interface.c (gfc_match_abstract_interface, check_interface0): Ditto.
	* intrinsic.c (gfc_intrinsic_func_interface): Ditto.
	* io.c (format_lex, resolve_tag_format, resolve_tag,
	compare_to_allowed_values, gfc_match_open, gfc_match_rewind,
	gfc_resolve_dt, gfc_match_wait): Ditto.
	* match.c (match_arithmetic_if, gfc_match_if, gfc_match_critical,
	gfc_match_do, match_exit_cycle, gfc_match_pause, gfc_match_stop,
	gfc_match_lock, sync_statement, gfc_match_assign, gfc_match_goto,
	gfc_match_allocate, gfc_match_return, gfc_match_st_function): Ditto.
	* module.c (gfc_match_use, gfc_use_module): Ditto.
	* parse.c (parse_derived_contains, parse_block_construct,
	parse_associate, parse_contained): Ditto.
	* primary.c (match_hollerith_constant, match_boz_constant,
	match_real_constant, match_sym_complex_part, match_arg_list_function,
	build_actual_constructor, gfc_convert_to_structure_constructor): Ditto.
	* resolve.c (resolve_formal_arglist, resolve_entries,
	resolve_common_blocks, resolve_actual_arglist, gfc_resolve_index_1,
	gfc_resolve_iterator_expr, resolve_ordinary_assign,
	resolve_fl_var_and_proc, resolve_fl_variable_derived,
	resolve_fl_procedure, resolve_fl_derived0, resolve_fl_derived,
	resolve_fl_namelist, resolve_symbol, resolve_fntype): Ditto.
	* symbol.c (check_conflict, conflict, gfc_add_is_bind_c,
	gfc_add_extension, gfc_check_symbol_typed): Ditto.

2012-07-17  Tobias Burnus  <burnus@net-b.de>

	PR fortran/53985
	* decl.c (gfc_verify_c_interop_param): Make warning conditional
	on -Wc-binding-type works and improve the wording.

2012-07-17  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52101
	* decl.c (match_char_length): Extra argument, show obsolenscent
	warning only if *length is used after the typename.
	(variable_decl, gfc_match_char_spec): Update call

2012-07-17  Tobias Burnus  <burnus@net-b.de>
	    Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/49265
	* decl.c (match_procedure_in_interface): Support "::" for
	Fortran 2008 and later.

2012-07-16  Thomas König  <tkoenig@gcc.gnu.org>

	PR fortran/53824
	* resolve.c (resolve_allocate_deallocate):  If both
	start indices are NULL, skip the test for equality.

2012-07-16  Steven Bosscher  <steven@gcc.gnu.org>

	* f95-lang.c: Include dumpfile.h instead of tree-dump.h.
	* Make-lang.in: Fix dependencies.

2012-07-16  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/53956
	* gfortran.h (gfc_copy_formal_args,gfc_copy_formal_args_ppc): Modified
	prototypes.
	* symbol.c (gfc_copy_formal_args): New argument 'if_src'. Copy if_source
	of dummy procedures.
	(gfc_copy_formal_args_ppc): Ditto.
	* resolve.c (resolve_procedure_interface): Pass IFSRC_DECL to
	gfc_copy_formal_args.
	(resolve_fl_derived0): Pass IFSRC_DECL to gfc_copy_formal_args_ppc.

2012-07-12  Tobias Burnus  <burnus@net-b.de>

	* trans-expr.c (conv_isocbinding_procedure): Generate c_f_pointer code
	inline.

2012-07-11  Steven Bosscher  <steven@gcc.gnu.org>

	* trans.c: Do not include defaults.h.
	* trans-intrinsic.c: Likewise.

2012-07-08  Steven Bosscher  <steven@gcc.gnu.org>

	* gfortran.h: Do not include coretypes.h here.
	Make it an error to include this before coretypes.h
	* openmp.c: Include coretypes.h.
	* interface.c: Likewise.
	* intrinsic.c: Likewise.
	* symbol.c: Likewise.
	* class.c: Likewise.
	* decl.c: Likewise.
	* matchexp.c: Likewise.
	* dump-parse-tree.c: Likewise.
	* array.c: Likewise.
	* constructor.c: Likewise.
	* error.c: Likewise.
	* data.c: Likewise.
	* expr.c: Likewise.
	* module.c: Likewise.
	* scanner.c: Likewise.
	* bbt.c: Likewise.
	* io.c: Likewise.
	* frontend-passes.c: Likewise.
	* resolve.c: Likewise.
	* st.c: Likewise.
	* target-memory.c: Likewise.
	* match.c: Likewise.
	* arith.c: Likewise.
	* parse.c: Likewise.
	* check.c: Likewise.
	* dependency.c: Likewise.
	* primary.c: Likewise.
	* misc.c: Likewise.
	* simplify.c: Likewise.

2012-07-05  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/53732
	* trans-array.c (gfc_add_loop_ss_code): Disable self recursive calls
	handling nested loop(s) if the subscript flag is true.

2012-07-05  Uros Bizjak  <ubizjak@gmail.com>

	PR fortran/53449
	* parse.c (gfc_parse_file): Initialize errors_before.

2012-06-27  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/41951
	PR fortran/49591
	* interface.c (check_new_interface): Rename, add 'loc' argument,
	make non-static.
	(gfc_add_interface): Rename 'check_new_interface'
	* gfortran.h (gfc_check_new_interface): Add prototype.
	* resolve.c (resolve_typebound_intrinsic_op): Add typebound operator
	targets to non-typebound operator list.

2012-06-22  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/47710
	PR fortran/53328
	* interface.c (count_types_test, generic_correspondence,
	gfc_compare_interfaces): Ignore PASS arguments.
	(check_interface1, compare_parameter): Pass NULL arguments to
	gfc_compare_interfaces.
	* gfortran.h (gfc_compare_interfaces): Modified prototype.
	* expr.c (gfc_check_pointer_assign): Pass NULL arguments to
	gfc_compare_interfaces.
	* resolve.c (resolve_structure_cons): Ditto.
	(check_generic_tbp_ambiguity): Determine PASS arguments and pass them
	to gfc_compare_interfaces.

2012-06-21  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/39654
	* iresolve.c (gfc_resolve_ftell): Fix result kind and use new
	library function.

2012-06-18  Tobias Burnus  <burnus@net-b.de>

	* intrinsic.h (gfc_resolve_rank): New prototype.
	* intrinsic.c (add_functions): Use gfc_resolve_rank.
	* iresolve.c (add_functions): New function.
	* trans-intrinsic.c (gfc_conv_intrinsic_rank): New function.
	(gfc_conv_intrinsic_function): Call it.

2012-06-18  Tobias Burnus  <burnus@net-b.de>

	PR fortran/53692
	* trans-array.c (set_loop_bounds): Don't scalarize via absent
	optional arrays.
	* resolve.c (resolve_elemental_actual): Don't stop resolving after printing
	a warning.

2012-06-18  Tobias Burnus  <burnus@net-b.de>

	PR fortran/53526
	* trans-intrinsic.c (conv_intrinsic_move_alloc): Handle coarrays.

2012-06-18  Tobias Burnus  <burnus@net-b.de>

	PR fortran/53526
	* check.c (gfc_check_move_alloc): Reject coindexed actual arguments
	and those with different corank.

2012-06-17  Tobias Burnus  <burnus@net-b.de>

	PR fortran/53691
	PR fortran/53685
	* check.c (gfc_calculate_transfer_sizes): Return if
	SIZE= is not constant or source-size cannot be determined.

2012-06-16  Tobias Burnus  <burnus@net-b.de>

	PR fortran/53642
	PR fortran/45170
	* frontend-passes.c (optimize_assignment): Don't remove RHS's
	trim when assigning to a deferred-length string.
	* trans-expr.c (gfc_trans_assignment_1): Ensure that the RHS string
	length is evaluated before the deferred-length LHS is reallocated.

2012-06-13  Tobias Burnus  <burnus@net-b.de>

	PR fortran/53643
	* trans-decl.c (init_intent_out_dt): Fix for polymorphic arrays.
	* trans-array.c (structure_alloc_comps): Don't loop for
	scalar coarrays.

2012-06-13  Tobias Burnus  <burnus@net-b.de>

	PR fortran/53597
	* decl.c (match_attr_spec): Only mark module variables
	as SAVE_IMPLICIT for Fortran 2008 and later.

2012-06-08  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/52552
	* match.c (gfc_match_allocate): Modify order of checks. Change wording
	of error message. Remove FIXME note.
	* resolve.c (resolve_allocate_expr): Add a comment.

2012-06-07  Thomas König  <tkoenig@gcc.gnu.org>

	PR fortran/52861
	* frontend-passes.c (optimize_assignment):  Don't set the
	length of an empty string for deferred-length character
	variables.

2012-06-07  Thomas König  <tkoenig@gcc.gnu.org>

	PR fortran/52861
	* frontend-passes.c (empty_string):  Add prototype.
	(optimize_assignment):  Set the length of an empty string
	constant to zero.

2012-06-04  Tobias Burnus  <burnus@net-b.de>

	PR fortran/50619
	* resolve.c (build_default_init_expr): Don't initialize
	ASSOCIATE names.

2012-06-03  Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
	    Tobias Burnus  <burnus@net-b.de>

	PR fortran/48831
	* gfortran.h (gfc_check_init_expr): Add prototype declaration
	of function.
	* check.c (kind_check): Change if condition to use
	to gfc_check_init_expr.
	* expr.c (check_init_expr): Remove forward declaration
	and static keyword. Change name in gfc_check_init_expr.
	(scalarize_intrinsic_call, check_init_expr_arguments,
	check_inquiry, check_conversion, gfc_reduce_init_expr): Update
	call to gfc_check_init_expr.

2012-05-31  Steven Bosscher  <steven@gcc.gnu.org>

	* trans-common.c: Do not include output.h.
	* trans-decl.c: Likewise.

2012-05-31  Tobias Burnus  <burnus@net-b.de>

	PR fortran/53521
	* trans.c (gfc_deallocate_scalar_with_status): Properly
	handle the case size == 0.

2012-05-30  Tobias Burnus  <burnus@net-b.de>

	PR c/53502
	* decl.c (match_attr_spec): Remove "typedef".

2012-05-30  Tobias Burnus  <burnus@net-b.de>

	* decl.c: Fix comment typos.
	* expr.c: Ditto.
	* frontend-passes.c: Ditto.
	* match.c: Ditto.
	* resolve.c: Ditto.
	* trans-array.c: Ditto.
	* trans-common.c: Ditto.
	* trans-intrinsic.c: Ditto.
	* trans-types.c: Ditto.

2012-05-23  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51055
	PR fortran/45170
	* match.c (gfc_match_allocate): Set length_from_typespec
	for characters.
	* resolve.c (resolve_charlen): If set, don't check whether
	the len is a specification expression.

2012-05-22  Tobias Burnus  <burnus@net-b.de>

	PR fortran/53389
	* trans-array.c (gfc_add_loop_ss_code): Don't evaluate expression, if
	ss->is_alloc_lhs is set.

2012-05-22  Dodji Seketeli  <dodji@redhat.com>

	PR c++/53322
	* f95-lang.c (gfc_init_builtin_functions): Remove the unused
	typedef builtin_type.

2012-05-14  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/52428
	* gfortran.texi: Update _gfortran_set_options documentation.
	* invoke.texi: Remove runtime behavior description of
	-fno-range-check.
	* trans-decl.c (create_main_function): Don't pass the range-check
	setting to the library.

2012-05-14  Tobias Burnus  <burnus@net-b.de>

	PR fortran/49110
	PR fortran/51055
	PR fortran/53329
	* trans-expr.c (gfc_trans_assignment_1): Fix allocation
	handling for assignment of function results to allocatable
	deferred-length strings.
	* trans-decl.c (gfc_create_string_length): For deferred-length
	module variables, include module name in the assembler name.
	(gfc_get_symbol_decl): Don't override the assembler name.

2012-05-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR 53063
	* options.c (gfc_handle_option): Call lang-specific generated function.

2012-05-13  Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
	    Tobias Burnus  <burnus@net-b.de>

	PR fortran/52158
	PR fortran/45170
	PR fortran/49430
	* resolve.c (resolve_fl_derived0): Deferred character length
	procedure components are supported.
	* trans-expr.c (gfc_conv_procedure_call): Handle TBP with
	deferred-length results.
	(gfc_string_to_single_character): Add a new check to prevent
	NULL read.
	(gfc_conv_procedure_call): Remove unuseful checks on
	symbol's attributes. Add new checks to prevent NULL read on
	string length.

2012-05-12  Tobias Burnus  <burnus@net-b.de>

	PR fortran/49110
	PR fortran/52843
	* resolve.c (resolve_fl_procedure): Don't regard
	character(len=:) as character(*) in the diagnostic.

2012-05-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/52537
	* frontend-passes.c (optimize_op):  Change
	old-style comparison operators to new-style, simplify
	switch as a result.
	(empty_string):  New function.
	(get_len_trim_call):  New function.
	(optimize_comparison):  If comparing to an empty string,
	use comparison of len_trim to zero.
	Use new-style comparison operators only.
	(optimize_trim):  Use get_len_trim_call.

2012-05-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR 53063
	* options.c: Include diagnostics.h instead of
	diagnostics-core.h.
	(set_Wall): Do not see warn_unused here.
	(gfc_handle_option): Set it here using handle_generated_option.

2012-05-08  Jan Hubicka  <jh@suse.cz>

	* trans-common.c (create_common): Do not fake TREE_ASM_WRITTEN.
	* trans-decl.c (gfc_finish_cray_pointee): Likewise.

2012-05-07  Tobias Burnus  <burnus@net-b.de>

	PR fortran/53255
	* resolve.c (resolve_typebound_static): Fix handling
	of overridden specific to generic operator.

2012-05-06  Tobias Burnus  <burnus@net-b.de>

	PR fortran/41587
	* decl.c (build_struct): Don't ignore FAILED status.

2012-05-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/41600
	* trans-array.c (build_array_ref): New static function.
	(gfc_conv_array_ref, gfc_get_dataptr_offset): Call it.
	* trans-expr.c (gfc_get_vptr_from_expr): New function.
	(gfc_conv_derived_to_class): Add a new argument for a caller
	supplied vptr and use it if it is not NULL.
	(gfc_conv_procedure_call): Add NULL to call to above.
	symbol.c (gfc_is_associate_pointer): Return true if symbol is
	a class object.
	* trans-stmt.c (trans_associate_var): Handle class associate-
	names.
	* expr.c (gfc_get_variable_expr): Supply the array-spec if
	possible.
	* trans-types.c (gfc_typenode_for_spec): Set GFC_CLASS_TYPE_P
	for class types.
	* trans.h : Add prototypes for gfc_get_vptr_from_expr and
	gfc_conv_derived_to_class. Define GFC_CLASS_TYPE_P.
	* resolve.c (resolve_variable): For class arrays, ensure that
	the target expression has all the necessary _data references.
	(resolve_assoc_var): Throw a "not yet implemented" error for
	class array selectors that need a temporary.
	* match.c (copy_ts_from_selector_to_associate,
	select_derived_set_tmp, select_class_set_tmp): New functions.
	(select_type_set_tmp): Call one of last two new functions.
	(gfc_match_select_type): Copy_ts_from_selector_to_associate is
	called if associate-name is typed.

	PR fortran/53191
	* resolve.c (resolve_ref): C614 applied to class expressions.

2012-05-05  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/49010
	PR fortran/24518
	* intrinsic.texi (MOD, MODULO): Mention sign and magnitude of result.
	* simplify.c (gfc_simplify_mod): Use mpfr_fmod.
	(gfc_simplify_modulo): Likewise, use copysign to fix the result if
	zero.
	* trans-intrinsic.c (gfc_conv_intrinsic_mod): Remove fallback as
	builtin_fmod is always available. For modulo, call copysign to fix
	the result when signed zeros are enabled.

2012-05-05  Janne Blomqvist  <jb@gcc.gnu.org>

	* gfortran.texi (GFORTRAN_TMPDIR): Rename to TMPDIR, explain
	algorithm for choosing temp directory.

2012-05-04  Tobias Burnus  <burnus@net-b.de>

	PR fortran/53175
	* resolve.c (resolve_variable): Set public_used
	if a private module variable is used in a (public)
	specification expression.
	* trans-decl.c (gfc_finish_var_decl): Mark those
	TREE_PUBLIC.

2012-05-04  Tobias Burnus  <burnus@net-b.de>

	PR fortran/53111
	* resolve.c (resolve_fl_derived): Fix -std=f95
	diagnostic for generic vs. DT names.

2012-05-03  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52864
	* interface.c (compare_parameter_intent): Remove.
	(check_intents): Remove call, handle CLASS pointer.
	(compare_actual_formal): Handle CLASS pointer.

2012-04-30  Jan Hubicka  <jh@suse.cz>

	* f95-lang.c (gfc_finish): Update comments.

2012-04-29  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/53148
	* frontend-passes.c (create_var):  If the statement has a label,
	put the label around the block.

2012-04-25  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52196
	* lang.opt (Wrealloc-lhs, Wrealloc-lhs-all): New flags.
	* gfortran.h (gfc_option_t): Add them.
	* options.c (gfc_init_options, gfc_post_options,
	gfc_handle_option): Handle them.
	* invoke.texi: Document them.
	* trans-expr.c (realloc_lhs_warning): New function.
	(gfc_trans_arrayfunc_assign,
	alloc_scalar_allocatable_for_assignment,
	gfc_trans_assignment_1): Use it.

2012-04-18  Steven Bosscher  <steven@gcc.gnu.org>

	* trans-decl.c (gfc_trans_entry_master_switch): Build SWITCH_EXPR
	with NULL_TREE type instead of void_type_node.
	* trans-io.c (io_result): Likewise.
	* trans-stmt.c (gfc_trans_integer_select,
	gfc_trans_character_select): Likewise.

2012-04-16  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52864
	* expr.c (gfc_check_vardef_context): Fix assignment check for
	pointer components.

2012-04-16  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/52968
	* class.c (gfc_build_class_symbol): Make sure the 'f2k_derived'
	namespace is present.

2012-04-15  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/51082
	* trans-expr.c (gfc_conv_expr_reference): Check if the expression is a
	simple function call (or a more involved PPC reference).

2012-04-15  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52916
	PR fortran/40973
	* gfortran.h (symbol_attribute): Add public_used.
	* interface.c (check_sym_interfaces, check_uop_interfaces,
	gfc_check_interfaces): Set it.
	* resolve.c (resolve_typebound_procedure): Ditto.
	* trans-decl.c (build_function_decl): Use it.

2012-04-11  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52729
	* resolve.c (resolve_symbol): Fix searching for parent NS decl.

2012-04-08  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52751
	* trans-decl.c (gfc_finish_var_decl): Don't set TREE_PUBLIC
	for PRIVATE module variables without C-binding label.

	PR fortran/40973
	* trans-decl.c (build_function_decl): Ditto for procedures.

2012-04-07  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/52893
	* frontend-passes.c:  Keep track of wether we are in an implicit
	DO loop; do not do function elimination if we are.

2012-04-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/52668
	* module.c:  Only mark symbols as use_only if they have been
	imported via an only list.

2012-03-28  Paul Thomas  <pault@gcc.gnu.org>
	Tobias Burnus  <burnus@gcc.gnu.org>

	PR fortran/52652
	* match.c (gfc_match_allocate, gfc_match_deallocate): Change
	"not.. or" to "neither.. nor".
	* parse.c (decode_specification_statement): Correct error in
	chpice of matching function for "allocatable".

2012-03-23  Janne Blomqvist  <jb@gcc.gnu.org>

	* gfortran.h (GFC_MAX_LINE): Remove unused macro.

2012-03-19  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/52559
	* error.c (gfc_widechar_display_length): Consider tabs as
	one character wide, as they're displayed as spaces.
	(show_locus): Move tab handling to...
	(print_wide_char_into_buffer): ... here.

2012-03-17  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52585
	* trans-intrinsic.c (gfc_conv_associated): Fix handling of
	procpointer dummy arguments.

2012-03-16  Janne Blomqvist  <jb@gcc.gnu.org>

	* trans-intrinsic.c (build_round_expr): Don't use BUILT_IN_IROUND
	for __float128.

2012-03-15  Janne Blomqvist  <jb@gcc.gnu.org>

	* f95-lang.c (gfc_init_builtin_functions): Initialize
	BUILT_IN_IROUND.
	* mathbuiltins.def: Add IROUND.
	* trans-intrinsic.c (build_round_expr): Use BUILT_IN_IROUND if
	type size matches.
	(gfc_build_intrinsic_lib_fndecls): Build iround functions.

2012-03-12  Richard Guenther  <rguenther@suse.de>

	* f95-lang.c (builtin_type_for_size): Use gfc_type_for_size.

2012-03-12  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52542
	* decl.c (match_procedure_decl): If the interface
	is bind(C), the procedure is as well.

2012-03-10  Steven Bosscher  <steven@gcc.gnu.org>

	* convert.c (convert): Fold BOOLEAN_TYPE types to the proper variant.

2012-03-09  Steven Bosscher  <steven@gcc.gnu.org>

	* Make-lang.in (convert.o): Depend on convert.h.
	* convert.c: Header and comment cleanups.
	(gfc_thruthvalue_conversion): Rename static function
	to truthvalue_conversion.  Do not use 'internal_error' from here,
	use 'gcc_unreachable' instead.
	(convert): Do not use 'error' for conversions to void, use
	'gcc_unreachable' instead.  Likewise for conversions to non-scalar
	types.  Do not hanlde ENUMERAL_TYPE, the front end never creates them.
	Clean up #if 0 code.

2012-03-08  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52469
	* trans-types.c (gfc_get_function_type): Handle backend_decl
	of a procedure pointer.

2012-03-06  Steven Bosscher  <steven@gcc.gnu.org>

	* f95-lang.c (yyerror, yylex): Remove.
	(clear_binding_stack): Remove, fold into its only user.
	(LANG_HOOKS_PRINT_IDENTIFIER): Do not re-define.
	(ridpointers): Remove.
	(gfc_eh_initialized_p): Make static.
	(gfc_truthvalue_conversion): Move to convert.c.
	(gfc_be_parse_file): Clear binding level stack when done.
	(gfc_print_identifier): Remove.
	(pushlevel): Remove ignored 'ignore' argument.  Update all callers.
	(poplevel): Remove unused 'reverse' argument.  Update all callers.
	(ggc_p): Remove.
	(gfc_builtin_function): Make static. Do not attempt to make RTL for
	builtin functions.
	* convert.c (gfc_truthvalue_conversion): Moved here from f95-lang.c,
	and made static.
	* trans.h (pushlevel, poplevel): Adjust prototypes.
	(gfc_truthvalue_conversion, gfc_builtin_function): Remove prototypes.
	* trans-openmp.c: Update calls to pushlevel and poplevel.
	* trans.c: Likewise.
	* trans-decl.c: Likewise.

2012-03-04  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/50981
	* gfortran.h (gfc_is_class_container_ref): New prototype.
	* class.c (gfc_is_class_container_ref): New function.
	* trans-expr.c (gfc_conv_procedure_call): Add a "_data" component
	reference to polymorphic actual arguments.

2012-03-04  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/50981
	* trans-expr.c (gfc_conv_procedure_call): Save se->ss's value.
	Handle the case of unallocated arrays passed to elemental procedures.

2012-03-04  Mikael Morin  <mikael@gcc.gnu.org>

	* trans.h (struct gfc_ss_info): Move can_be_null_ref component from
	the data::scalar subcomponent to the toplevel.
	* trans-expr.c (gfc_conv_expr): Update component reference.
	* trans-array.c (gfc_add_loop_ss_code): Ditto.
	(gfc_walk_elemental_function_args): Ditto.  Move the conditional setting
	the field out of the scalar-only block.

2012-03-04  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/36160
	* error.c (gfc_widechar_display_length, gfc_wide_display_length):
	New functions.
	(print_wide_char_into_buffer): Return length written.
	(show_locus): Fix locus displayed when wide characters are present.

2012-03-04  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	* module.c (gfc_use_module): Improve error message some more.

2012-03-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/52313
	* module.c (gfc_use_module): Improve error messages.

2012-03-03  Tobias Burnus  <burnus@net-b.de>

	PR fortran/48820
	* resolve.c (resolve_actual_arglist): Properly reset
	assumed_type_expr_allowed.

2012-03-03  Tobias Burnus  <burnus@net-b.de>

	* lang.opt (Wc-binding-type): New flag.
	* options.c (gfc_init_options, gfc_handle_option): Handle it.
	* invoke.texi (Wc-binding-type): Document it.
	* gfortran.h (gfc_option_t): Add warn_c_binding_type.
	* decl.c (verify_bind_c_sym): Handle -Wc-binding-type.
	* symbol.c (gfc_set_default_type, verify_bind_c_derived_type):
	Ditto.

2012-03-03  Tobias Burnus  <burnus@net-b.de>

	PR fortran/48820
	* decl.c (gfc_match_decl_type_spec): Support type(*).
	(gfc_verify_c_interop): Allow type(*).
	* dump-parse-tree.c (show_typespec): Handle type(*).
	* expr.c (gfc_copy_expr): Ditto.
	* interface.c (compare_type_rank, compare_parameter,
	compare_actual_formal, gfc_procedure_use): Ditto.
	* libgfortran.h (bt): Add BT_ASSUMED.
	* misc.c (gfc_basic_typename, gfc_typename): Handle type(*).
	* module.c (bt_types): Ditto.
	* resolve.c (assumed_type_expr_allowed): New static variable.
	(resolve_actual_arglist, resolve_variable, resolve_symbol):
	Handle type(*).
	* trans-expr.c (gfc_conv_procedure_call): Ditto.
	* trans-types.c (gfc_typenode_for_spec, gfc_get_dtype): Ditto.

2012-03-02  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52325
	* primary.c (gfc_match_varspec): Add missing ;.

2012-03-02  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52325
	* primary.c (gfc_match_varspec): Add diagnostic for % with
	nonderived types.

2012-03-02  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52270
	* expr.c (gfc_check_vardef_context): Fix check for
	intent-in polymorphic pointer .
	* interface.c (compare_parameter): Allow passing TYPE to
	intent-in polymorphic pointer.

2012-03-02  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52452
	* resolve.c (resolve_intrinsic): Don't search for a
	function if we know that it is a subroutine.

2012-02-29  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/52386
	* trans-expr.c (fcncall_realloc_result): Dereference the
	descriptor if needed.

2012-02-22  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52335
	* io.c (gfc_match_open): Remove bogus F2003 DELIM= check.

2012-02-18  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52295
	* interface.c (check_interface0): Internal procs in
	generic interfaces are allowed in Fortran 2008.

2012-02-17  Tobias Burnus  <burnus@net-b.de>
	    Roland Stigge  <stigge@antcom.de>

	PR translation/52273
	* interface.c (compare_actual_formal): Fix typo "at at".

2012-02-17  Tobias Burnus  <burnus@net-b.de>

	* gfortran.texi (Q exponent-letter): Fix grammar.

2012-02-17  Tobias Burnus  <burnus@net-b.de>

	* gfortran.texi (Status): Fix typos.
	* invoke.texi (ffixed-form, fstack-arrays): Spell Fortran with
	a majuscule.

2012-02-17  Tobias Burnus  <burnus@net-b.de>
	    Roland Stigge  <stigge@antcom.de>

	PR translation/52232
	PR translation/52234
	PR translation/52245
	PR translation/52246
	PR translation/52262
	PR translation/52273
	* io.c (gfc_match_open): Fix typo.
	* interface.c (compare_actual_formal): Ditto.
	* lang.opt (freal-4-real-8, freal-4-real-16, freal-8-real-16): Ditto.
	* match.c (alloc_opt_list, gfc_match_nullify): Ditto.
	* check.c (gfc_check_associated, gfc_check_null): Ditto.

2012-02-12  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/50981
	* trans-stmt.c (gfc_get_proc_ifc_for_call): New function.
	(gfc_trans_call): Use gfc_get_proc_ifc_for_call.

2012-02-12  Mikael Morin  <mikael@gcc.gnu.org>

	* trans-array.c (gfc_walk_elemental_function_args,
	gfc_walk_function_expr): Move call to gfc_get_proc_ifc_for_expr out
	of gfc_walk_elemental_function_args.
	* trans-stmt.c (gfc_trans_call): Ditto.
	* trans-array.h (gfc_get_proc_ifc_for_expr): New prototype.
	(gfc_walk_elemental_function_args): Update prototype.

2012-02-12  Mikael Morin  <mikael@gcc.gnu.org>

	* trans-array.c (gfc_get_proc_ifc_for_expr): New function.
	(gfc_walk_elemental_function_args): Move code to
	gfc_get_proc_ifc_for_expr and call it.

2012-02-08  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52151
	* trans-expr.c (fcncall_realloc_result): Set also the stride.

2012-02-07  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51514
	* trans-expr.c (gfc_conv_procedure_call): Add _data component
	for calls of scalar CLASS actuals to TYPE dummies.

2012-02-05  Thomas König  <tkoenig@gcc.gnu.org>

	PR fortran/48847
	* trans-decl.c:  Warn about unused dummy procedure arguments
	if -Wunused-dummy-argument is specified.  Suppress middle-end
	warnings about procedure arguments.

2012-02-05  Paul Thomas  <pault@gcc.gnu.org>

	* trans-array.c (gfc_array_allocate): Zero memory for all class
	array allocations.
	* trans-stmt.c (gfc_trans_allocate): Ditto for class scalars.

	PR fortran/52102
	* trans-stmt.c (gfc_trans_allocate): Before correcting a class
	array reference, ensure that 'dataref' points to the _data
	component that is followed by the array reference..

2012-02-02  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/41587
	PR fortran/46356
	PR fortran/51754
	PR fortran/50981
	* class.c (insert_component_ref, class_data_ref_missing,
	gfc_fix_class_refs): New functions.
	* gfortran.h (gfc_fix_class_refs): New prototype.
	* trans-expr.c (gfc_conv_expr): Remove special case handling and call
	gfc_fix_class_refs instead.

2012-02-02  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/52012
	* trans-expr.c (fcncall_realloc_result): If variable shape is
	correct, retain the bounds, whatever they are.

2012-02-02  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52093
	* simplify.c (gfc_simplify_size): Handle INTRINSIC_PARENTHESES.

2012-02-01  Thomas König  <tkoenig@gcc.gnu.org>

	PR fortran/51958
	* frontend-passes.c (convert_elseif):  New function.
	(optimize_namespace):  Call it.

2012-02-01  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52024
	* module.c (MOD_VERSION): Bump.
	(mio_typebound_proc): Read/write is_operator from/to the
	.mod file.

2012-02-01  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52059
	* trans-expr.c (gfc_conv_procedure_call): Add array ref
	only to variables.

2012-01-31  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52024
	* gfortran.h (gfc_tbp_generic): Store whether the
	generic is an operator.
	* decl.c (gfc_match_generic): Set that flag.
	* resolve.c (check_generic_tbp_ambiguity): Use it in the
	gfc_compare_interfaces check.

2012-01-31  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52029
	* class.c (gfc_find_derived_vtab): Mark _copy function as pure.

2012-01-31  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52013
	* class.c (get_unique_hashed_string): Adapt trim length.
	(gfc_build_class_symbol) Encode also corank in the container name.

2012-01-31  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/52012
	* trans-expr.c (fcncall_realloc_result): Correct calculation of
	result offset.

2012-01-29  Janne Blomqvist  <jb@gcc.gnu.org>

	* module.c (pointer_info): Make true_name and module pointers
	rather than arrays, order pointers before other fields.
	(free_pi_tree): free true_name and module as well.
	(mio_read_string): Rename to read_string.
	(mio_write_string): Remove.
	(load_commons): Use read_string.
	(read_module): Use read_string rather than mio_internal_string.
	(write_blank_common): Call write_atom directly.
	(write_symbol): Likewise.

2012-01-29  Tobias Burnus  <burnus@net-b.de>

	PR fortran/41600
	* expr.c (gfc_default_initializer): Convert the values if
	the type does not match.

2012-01-29  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51972
	* trans-array.c (structure_alloc_comps): Fix assignment of
	polymorphic components (polymorphic deep copying).

2012-01-29  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/51808
	* decl.c (set_binding_label): Make binding_label argument const.
	(curr_binding_label): Constify.
	* gfortran.h (gfc_symbol): Constify binding_label.
	(gfc_common_head): Likewise.
	(get_iso_c_sym): Likewise.
	* match.c (gfc_match_name_C): Constify buffer argument.
	* match.h (gfc_match_name_C): Likewise.
	* resolve.c (set_name_and_label): Constify binding_label argument.
	(gfc_iso_c_sub_interface): Constify binding_label variable.
	* symbol.c (get_iso_c_sym): Constify binding_label argument.

2012-01-29  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/51808
	* decl.c (set_binding_label): Move prototype from match.h to here.
	(curr_binding_label): Make a pointer rather than static array.
	(build_sym): Check sym->binding_label pointer rather than array,
	update set_binding_label call, handle curr_binding_label changes.
	(set_binding_label): Handle new curr_binding_label, dest_label
	double ptr, and sym->binding_label.
	(verify_bind_c_sym): Handle sym->binding_label being a pointer.
	(set_verify_bind_c_sym): Check sym->binding_label pointer rather
	than array, update set_binding_label call.
	(gfc_match_bind_c_stmt): Handle curr_binding_label change.
	(match_procedure_decl): Update set_binding_label call.
	(gfc_match_bind_c): Change binding_label to pointer, update
	gfc_match_name_C call.
	* gfortran.h (GFC_MAX_BINDING_LABEL_LEN): Remove macro.
	(gfc_symbol): Make binding_label a pointer.
	(gfc_common_head): Likewise.
	* match.c (gfc_match_name_C): Heap allocate bind(C) name.
	* match.h (gfc_match_name_C): Change prototype argument.
	(set_binding_label): Move prototype to decl.c.
	* module.c (struct pointer_info): Make binding_label a pointer.
	(free_pi_tree): Free unused binding_label.
	(mio_read_string): New function.
	(mio_write_string): New function.
	(load_commons): Redo reading of binding_label.
	(read_module): Likewise.
	(write_common_0): Change to write empty string instead of name if
	no binding_label.
	(write_blank_common): Write empty string for binding label.
	(write_symbol): Change to write empty string instead of name if no
	binding_label.
	* resolve.c (gfc_iso_c_func_interface): Don't set binding_label.
	(set_name_and_label): Make binding_label double pointer, use
	asprintf.
	(gfc_iso_c_sub_interface): Make binding_label a pointer.
	(resolve_bind_c_comms): Handle cases if
	gfc_common_head->binding_label is NULL.
	(gfc_verify_binding_labels): sym->binding_label is a pointer.
	* symbol.c (gfc_new_symbol): Rely on XCNEW zero init for
	binding_label.
	(gen_special_c_interop_ptr): Don't set binding label.
	(generate_isocbinding_symbol): Insert binding_label into symbol
	table.
	(get_iso_c_sym): Use pointer assignment instead of strcpy.
	* trans-common.c (gfc_sym_mangled_common_id): Handle
	com->binding_label being a pointer.
	* trans-decl.c (gfc_sym_mangled_identifier): Handle
	sym->binding_label being a pointer.
	(gfc_sym_mangled_function_id): Likewise.

2012-01-29  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52038
	* resolve.c (symbol_as): Remove unused, accidentally
	added function.

2012-01-28  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51972
	* trans-stmt.c (gfc_trans_allocate): Properly check whether
	we have a BT_CLASS which needs to be memset.

2012-01-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52022
	* trans-expr.c (gfc_conv_procedure_call): Fix passing
	of functions, which return allocatables.

2012-01-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52016
	* resolve.c (resolve_formal_arglist): Fix elemental
	constraint checks for polymorphic dummies also for
	pointers.

2012-01-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51970
	PR fortran/51977
	* primary.c (gfc_match_varspec. gfc_match_rvalue): Set
	handle array spec for BT_CLASS.
	* expr.c (gfc_get_variable_expr, gfc_lval_expr_from_sym)
	* frontend-passes.c (create_var): Ditto.
	* resolve.c (resolve_actual_arglist, resolve_assoc_var): Ditto.
	* trans-decl.c (gfc_trans_deferred_vars): Use class_pointer
	instead of attr.pointer.
	(gfc_generate_function_code): Use CLASS_DATA (sym) for BT_CLASS.
	* trans-intrinsic.c (conv_intrinsic_move_alloc): Move assert.
	* trans-stmt.c (trans_associate_var): Ask for the descriptor.

2012-01-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51953
	* match.c (gfc_match_allocate): Allow more than allocate
	object with SOURCE=.

2012-01-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/52016
	* resolve.c (resolve_formal_arglist): Fix elemental
	constraint checks for polymorphic dummies.

2012-01-27  Paul Thomas  <pault@gcc.gnu.org>
	    Tobias Burnus <burnus@gcc.gnu.org>

	PR fortran/48705
	PR fortran/51870
	PR fortran/51943
	PR fortran/51946
	* trans-array.c (gfc_array_init_size): Add two extra arguments
	to convey the dynamic element size of a calls object and to
	return the number of elements that have been allocated.
	(gfc_array_allocate): Add the same arguments and use them to
	call gfc_array_init_size.  Before the allocation dereference
	the data pointer, if necessary. Set the allocated array to zero
	if the class element size or expr3 are non-null.
	* trans-expr.c (gfc_conv_class_to_class): Give this function
	global scope.
	(get_class_array_ref): New function.
	(gfc_copy_class_to_class): New function.
	* trans-array.h : Update prototype for gfc_array_allocate.
	* trans-stmt.c (gfc_trans_allocate): For non-variable class
	STATUS expressions extract the class object and the dynamic
	element size. Use the latter to call gfc_array_allocate and
	the former for setting the vptr and, via
	gfc_copy_class_to_clasfc_cs, to copy to the allocated data.
	* trans.h : Prototypes for gfc_get_class_array_ref,
	gfc_copy_class_to_class and gfc_conv_class_to_class.

2012-01-25  Tobias Burnus  <burnus@net-b.de>

	* resolve.c (symbol_as): Check also for attr.class_ok.

2012-01-25  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51995
	* class.c (gfc_build_class_symbol): Fix invalid freeing
	issue with fclass->f2k_derived.

2012-01-25  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51995
	* class.c (gfc_build_class_symbol): Ensure that
	fclass->f2k_derived is set.

2012-01-25  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51966
	* resolve.c (resolve_structure_cons): Only create an
	array constructors for nonscalars.

2012-01-23  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51948
	* check.c (variable_check): Fix checking for
	 variables and deeply nested BLOCKs.

2012-01-21  Tobias Burnus  <burnus@net-b.de>
	    Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/50556
	* symbol.c (check_conflict): namelist-group-name cannot have the SAVE
	attribute.

2012-01-21  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51913
	* interface.c (compare_parameter): Fix CLASS comparison.

2012-01-20  Tobias Burnus  <burnus@net-b.de>
	    Janus Weil  <janus@gcc.gnu.org>

	PR fortran/51056
	* module.c (load_needed, read_module): Don't mark __vtab etc.
	as use_only.

2012-01-19  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51904
	* expr.c (gfc_build_intrinsic_call): Also set the symtree.

2012-01-18  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/51634
	* trans-expr.c (gfc_conv_procedure_call): Deallocate allocatable
	components of temporary class arguments.

2012-01-17  Tobias Burnus  <burnus@net-b.de>
	    Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/51869
	* trans-expr.c (alloc_scalar_allocatable_for_assignment): Nullify
	LHS after allocation, if it has allocatable components.
	* f95-lang.c (gfc_init_builtin_functions): Add BUILT_IN_CALLOC.

2012-01-16  Mikael Morin  <mikael@gcc.gnu.org>
	    Tobias Burnus  <burnus@net-b.de>

	PR fortran/50981
	* trans-array.c (gfc_walk_elemental_function_args): Fix
	passing of deallocated allocatables/pointers as absent argument.

2012-01-16  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51809
	* class.c (gfc_find_derived_vtab): Mark __vtab and
	__def_init as FL_VARIABLE not as FL_PARAMETER.
	* expr.c (gfc_simplify_expr): Remove special
	handling of __vtab.
	* resolve.c (resolve_values): Ditto.
	* trans-decl.c (gfc_get_symbol_decl): Mark __vtab
	and __def_init as TREE_READONLY.

2012-01-16  Zydrunas Gimbutas  <gimbutas@cims.nyu.edu>
	Andreas Kloeckner  <kloeckner@cims.nyu.edu>
	Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/48426
	* gfortran.h (gfc_option_t): Add members flag_*_kind to store kind.
	* lang.opt: Add options -freal-4-real-8, -freal-4-real-10,
	-freal-4-real-16, -freal-8-real-4, -freal-8-real-10, -freal-8-real-16
	and -finteger-4-integer-8. User-desired type conversion information.
	* decl.c (gfc_match_old_kind_spec,kind_expr): Type conversions
	in declaration parsing.
	* trans-types.c (gfc_init_kinds): User-specified type conversion
	checked for current backend.
	* primary.c (match_integer_constant,match_real_constant): Implement
	type conversion in constant parsing.
	* options.c (gfc_init_options,gfc_handle_option): Translate input
	options to flags in internal options data structure.
	* invoke.texi: Document new options.  Re-order options in Options
	summary section.

2012-01-16  Paul Thomas  <pault@gcc.gnu.org>

	* trans-array.c (gfc_trans_create_temp_array): In the case of a
	class array temporary, detect a null 'eltype' on entry and use
	'initial' to provde the class reference and so, through the
	vtable, the element size for the dynamic type.
	* trans-stmt.c (gfc_conv_elemental_dependencies): For class
	expressions, set 'eltype' to null and pass the values via the
	'initial' expression.

2012-01-14  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51800
	* resolve.c (build_default_init_expr): Also initialize
	nonconstant-length strings with -finit-character=<n>.

2011-01-14  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51816
	* module.c (read_module): Don't make nonexisting
	intrinsic operators as found.
	(rename_list_remove_duplicate): New function.
	(gfc_use_modules): Use it.

2012-01-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/48351
	* trans-array.c (structure_alloc_comps): Suppress interative
	call to self, when current component is deallocated using
	gfc_trans_dealloc_allocated.
	* class.c (gfc_build_class_symbol): Copy the 'alloc_comp'
	attribute from the declared type to the class structure.

2012-01-13  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51842
	* fortran/trans-types.c (gfc_init_kinds): Use PTRDIFF_TYPE
	instead of a signed int of size POINTER_SIZE for
	gfc_index_integer_kind.

2012-01-12  Tobias Burnus  <burnus@net-b.de>

	PR fortran/36755
	* intrinsic.texi (CHMOD): Extend a bit and remove statement
	that /bin/chmod is called.

2012-01-10  Gerald Pfeifer  <gerald@pfeifer.com>

	* gfortran.texi (Fortran 2003 Status): Fix grammar.

2012-01-10  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51652
	* resolve.c (resolve_allocate_expr): For non-deferred char lengths,
	check whether type-spec matches declaration.

2012-01-10  Tobias Burnus  <burnus@net-b.de>

	* resolve.c (resolve_ordinary_assign): Improve error wording.

2012-01-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/51791
	* interface.c (matching_typebound_op): Drill down through
	possible parentheses to obtain base expression. Do not test for
	'class_ok' but, instead for the class structure components.
	* resolve.c (resolve_ordinary_assign): Extend error message for
	polymorphic assignment to advise checking for specific
	subroutine.

	PR fortran/51792
	* resolve.c (resolve_typebound_function): Restore 'static' to
	declaration.

2012-01-09  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/51758
	* trans-array.c (gfc_walk_elemental_function_args):
	Skip over NULL() actual arguments.

2012-01-09  Tobias Burnus  <burnus@net-b.de>

	* gfortran.texi: Bump copyright year.
	(Fortran 2003 Status): Update polymorphism item, add
	item for generic interface with DT name.

2012-01-09  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51578
	* gfortran.h (gfc_use_list):
	* match.h (gfc_use_module): Rename to ...
	(gfc_use_modules): ... this.
	* module.c (use_locus, specified_nonint, specified_int): Remove
	global variable.
	(module_name): Change type to const char*, used with gfc_get_string.
	(module_list): New global variable.
	(free_rename): Free argument not global var.
	(gfc_match_use): Save match to module_list.
	(load_generic_interfaces, read_module): Don't free symtree.
	(write_dt_extensions, gfc_dump_module): Fix module-name I/O due to the
	type change of module_name.
	(write_symbol0, write_generic): Optimize due to the type change.
	(import_iso_c_binding_module, use_iso_fortran_env_module): Use
	locus of rename->where.
	(gfc_use_module): Take module_list as argument.
	(gfc_use_modules): New function.
	(gfc_module_init_2, gfc_module_done_2): Init module_list, rename_list.
	* parse.c (last_was_use_stmt): New global variable.
	(use_modules): New function.
	(decode_specification_statement, decode_statement): Move USE match up
	and call use_modules.
	(next_free, next_fixed): Call use_modules.
	(accept_statement): Don't call gfc_module_use.

2012-01-06  Tobias Burnus <burnus@net-b.de>

	* trans-openmp.c (gfc_omp_clause_dtor, gfc_trans_omp_array_reduction):
	Update call to gfc_trans_dealloc_allocated.
	* trans.c (gfc_allocate_using_malloc): Fix spacing.
	(gfc_allocate_allocatable): For gfc_allocate_using_lib, jump to
	label_finish when an error occurs.
	(gfc_deallocate_with_status): Call caf_deregister for -fcoarray=lib.
	* trans.h (gfc_allocate_allocatable, gfc_deallocate_with_status):
	Update prototype.
	(gfor_fndecl_caf_deregister): New tree symbol.
	* trans-expr.c (gfc_conv_procedure_call): Update
	gfc_deallocate_with_status and gfc_trans_dealloc_allocated calls.
	* trans-array.c (gfc_array_allocate, gfc_trans_dealloc_allocated,
	structure_alloc_comps, gfc_trans_deferred_array): Ditto.
	(gfc_array_deallocate): Handle coarrays with -fcoarray=lib.
	* trans-array.h (gfc_array_deallocate, gfc_array_allocate,
	gfc_trans_dealloc_allocated): Update prototypes.
	* trans-stmt.c (gfc_trans_sync): Fix indentation.
	(gfc_trans_allocate): Fix errmsg padding and label handling.
	(gfc_trans_deallocate): Ditto and handle -fcoarray=lib.
	* expr.c (gfc_is_coarray): Fix algorithm for BT_CLASS.
	* libgfortran.h (GFC_STAT_STOPPED_IMAGE): Use large value
	to avoid other stats accidentally matching this one.
	* trans-decl.c (gfor_fndecl_caf_deregister): New global var.
	(gfc_build_builtin_function_decls): Fix prototype decl of caf_register
	and add decl for caf_deregister.
	(gfc_trans_deferred_vars): Handle CAF vars with -fcoarrays=lib.
	* trans-intrinsic.c (conv_intrinsic_move_alloc): Update call to
	gfc_deallocate_with_status.

2012-01-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/PR48946
	* resolve.c (resolve_typebound_static): If the typebound
	procedure is 'deferred' try to find the correct specific
	procedure in the derived type operator space itself.

2012-01-04  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/50981
	* trans-array.h (gfc_walk_elemental_function_args): New argument.
	* trans-intrinsic.c (gfc_walk_intrinsic_function): Update call.
	* trans-stmt.c (gfc_trans_call): Ditto.
	* trans-array.c (gfc_walk_function_expr): Ditto.
	(gfc_walk_elemental_function_args): Get the dummy argument list
	if possible.  Check that the dummy and the actual argument are both
	optional, and set can_be_null_ref accordingly.

2012-01-04  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/50981
	* trans.h (struct gfc_ss_info): New field data::scalar::can_be_null_ref
	* trans-array.c: If the reference can be NULL, save the reference
	instead of the value.
	* trans-expr.c (gfc_conv_expr): If we have saved a reference,
	dereference it.

2012-01-04  Mikael Morin  <mikael@gcc.gnu.org>

	* trans-expr.c (gfc_conv_expr): Move address taking...
	(gfc_conv_expr_reference): ... here.

2012-01-04  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/49693
	* trans-common.c (create_common): Update copyright years.  Mark
	variables as used to avoid warnings about unused variables in
	common blocks.

2012-01-03  Hans-Peter Nilsson  <hp@axis.com>

	* gfortran.h (struct gfc_expr): Add missing "struct"
	qualifier for member base_expr.

2012-01-02  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/51529
	* trans-array.c (gfc_array_allocate): Null allocated memory of
	newly allocted class arrays.

	PR fortran/46262
	PR fortran/46328
	PR fortran/51052
	* interface.c(build_compcall_for_operator): Add a type to the
	expression.
	* trans-expr.c (conv_base_obj_fcn_val): New function.
	(gfc_conv_procedure_call): Use base_expr to detect non-variable
	base objects and, ensuring that there is a temporary variable,
	build up the typebound call using conv_base_obj_fcn_val.
	(gfc_trans_class_assign): Pick out class procedure pointer
	assignments and do the assignment with no further prcessing.
	(gfc_trans_class_array_init_assign, gfc_trans_class_init_assign
	gfc_trans_class_assign): Move to top of file.
	* gfortran.h : Add 'base_expr' field to gfc_expr.
	* resolve.c (get_declared_from_expr): Add 'types' argument to
	switch checking of derived types on or off.
	(resolve_typebound_generic_call): Set the new argument.
	(resolve_typebound_function, resolve_typebound_subroutine):
	Set 'types' argument for get_declared_from_expr appropriately.
	Identify base expression, if not a variable, in the argument
	list of class valued calls. Assign it to the 'base_expr' field
	of the final expression. Strip away all references after the
	last class reference.

2012-01-02  Tobias Burnus  <burnus@net-b.de>

	PR fortran/51682
	* trans-intrinsic.c (trans_this_image, trans_image_index,
	trans_num_images, conv_intrinsic_cobound): Fold_convert the
	caf_num_images/caf_this_images variables to the correct int kind.

2012-01-01  Jakub Jelinek  <jakub@redhat.com>

	* gfortranspec.c (lang_specific_driver): Update copyright notice
	dates.

Copyright (C) 2012 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.