path: root/gcc/fortran/ChangeLog

2016-12-14  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/78672
	* array.c (gfc_find_array_ref): Add flag to return NULL when no ref is
	found instead of erroring out.
	* data.c (gfc_assign_data_value): Only constant expressions are valid
	for initializers.
	* gfortran.h: Reflect change of gfc_find_array_ref's signature.
	* interface.c (compare_actual_formal): Access the non-elemental
	array-ref.  Prevent taking a REF_COMPONENT for a REF_ARRAY.  Correct
	indentation.
	* module.c (load_omp_udrs): Clear typespec before reading into it.
	* trans-decl.c (gfc_build_qualified_array): Prevent accessing the array
	when it is a coarray.
	* trans-expr.c (gfc_conv_cst_int_power): Use wi::abs()-function instead
	of crutch preventing sanitizer's bickering here.
	* trans-stmt.c (gfc_trans_deallocate): Only get data-component when it
	is a descriptor-array here.

2016-12-13  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/78798
	* gfortran.h (gfc_is_constant_expr, gfc_is_formal_arg,
	gfc_is_compile_time_shape): Return bool instead of int.
	* array.c (gfc_is_compile_time_shape): Ditto.
	* expr.c (gfc_is_constant_expr): Ditto.
	* resolve.c (gfc_is_formal_arg): Ditto. Make formal_arg_flag bool.

2016-12-13  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/77785
	* resolve.c (resolve_symbol): Correct attr lookup to the _data
	component.
	* trans-array.c (gfc_alloc_allocatable_for_assignment): Indirect ref
	pointers and references before retrieving the caf-token.

2016-12-13  Janus Weil  <janus@gcc.gnu.org>
	    Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/78737
	* gfortran.h (gfc_find_typebound_dtio_proc): New prototype.
	* interface.c (gfc_compare_interfaces): Whitespace fix.
	(gfc_find_typebound_dtio_proc): New function.
	(gfc_find_specific_dtio_proc): Use it. Improve error recovery.
	* trans-io.c (get_dtio_proc): Implement polymorphic calls to DTIO
	procedures.

2016-12-12  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/78392
	* expr.c (gfc_is_constant_expr): Specification functions are not
	compile-time constants. Update documentation (add reference to F08
	standard), add a FIXME.
	(external_spec_function): Add reference to F08 standard.
	* resolve.c (resolve_fl_variable): Ditto.

2016-12-10  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/78226
	* error.c (gfc_warning_internal):  New function.
	* frontend-passes.c (gfc_run_passes):  Call check_locus if
	CHECKING_P is defined.
	(check_locus_code):  New function.
	(check_locus_expr):  New function.
	(check_locus):  New function.
	* gfortran.h:  Add prototype for gfc_warning_internal.

2016-12-10 Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/78350
	* resolve.c (resolve_structure_cons): Remove the block that
	tried to remove a charlen and rely on namespace cleanup.

2016-12-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/77903
	* decl.c (get_proc_name): Use the symbol tlink field instead of
	the typespec interface field.
	(gfc_match_function_decl, gfc_match_submod_proc): Ditto.
	* gfortran.h : Since the symbol tlink field is no longer used
	by the frontend for change management, change the comment to
	reflect its current uses.
	* parse.c (get_modproc_result): Same as decl.c changes.
	* resolve.c (resolve_fl_procedure): Ditto.

2016-12-09  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/61767
	* class.c (has_finalizer_component): Fix this function to detect only
	non-pointer non-allocatable components which have a finalizer.

2016-12-09  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/78505
	* trans-stmt.c (gfc_trans_allocate): Add sync all after the execution
	of the whole allocate-statement to adhere to the standard.

2016-12-09  Andre Vehreschild  <vehre@gcc.gnu.org>

	* trans-array.c (gfc_array_deallocate): Remove wrapper.
	(gfc_trans_dealloc_allocated): Same.
	(structure_alloc_comps): Restructure deallocation of (nested)
	allocatable components.  Insert dealloc of sub-component into the block
	guarded by the if != NULL for the component.
	(gfc_trans_deferred_array): Use the almightly deallocate_with_status.
	* trans-array.h: Remove prototypes.
	* trans-expr.c (gfc_conv_procedure_call): Use the almighty deallocate_
	with_status.
	* trans-openmp.c (gfc_walk_alloc_comps): Likewise.
	(gfc_omp_clause_assign_op): Likewise.
	(gfc_omp_clause_dtor): Likewise.
	* trans-stmt.c (gfc_trans_deallocate): Likewise.
	* trans.c (gfc_deallocate_with_status): Allow deallocation of scalar
	and arrays as well as coarrays.
	(gfc_deallocate_scalar_with_status): Get the data member for coarrays
	only when freeing an array with descriptor.  And set correct caf_mode
	when freeing components of coarrays.
	* trans.h: Change prototype of gfc_deallocate_with_status to allow
	adding statements into the block guarded by the if (pointer != 0) and
	supply a coarray handle.

2016-12-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/44265
	* gfortran.h : Add fn_result_spec bitfield to gfc_symbol.
	* resolve.c (flag_fn_result_spec): New function.
	(resolve_fntype): Call it for character result lengths.
	* symbol.c (gfc_new_symbol): Set fn_result_spec to zero.
	* trans-decl.c (gfc_sym_mangled_identifier): Include the
	procedure name in the mangled name for symbols with the
	fn_result_spec bit set.
	(gfc_finish_var_decl): Mark the decls of these symbols
	appropriately for the case where the function is external.
	(gfc_get_symbol_decl): Mangle the name of these symbols.
	(gfc_create_module_variable): Allow them through the assert.
	(gfc_generate_function_code): Remove the assert before the
	initialization of sym->tlink because the frontend no longer
	uses this field.
	* trans-expr.c (gfc_map_intrinsic_function): Add a case to
	treat the LEN_TRIM intrinsic.
	(gfc_trans_string_copy): Deal with Wstringop-overflow warning
	that can occur with constant source lengths at -O3.

2016-12-08  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/65173
	PR fortran/69064
	PR fortran/69859
	PR fortran/78350
	* gfortran.h (gfc_namespace): Remove old_cl_list member.
	* parse.c (use_modules, next_statement): old_cl_list is gone.
	(clear_default_charlen): Remove no longer used function.
	(reject_statement): Do not try ot clean up gfc_charlen structure(s)
	that may have been added to a cl_list list.
	* symbol.c (gfc_new_charlen): old_cl_list structure is gone.

2016-12-06  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/78659
	* resolve.c (resolve_fl_namelist): Remove unneeded error.

2016-12-06  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/78226
	* class.c (finalize_component): Add missing locus information.
	(finalization_scalarizer): Likewise.
	(finalization_get_offset): Likewise.
	(finalizer_insert_packed_call): Likewise.
	(generate_finalization_wrapper): Likewise.

2016-12-05  Nathan Sidwell  <nathan@acm.org>

	* error.c (gfc_warning_check): Call diagnostic_check_max_errors.
	(gfc_error_check): Likewise.

2016-12-04  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/78618
	* intrinsic.c (gfc_convert_type_warn): Do not set the full typespec for
	the conversion symbol, but only type and kind. Set the full typespec
	for the expression.
	(gfc_convert_chartype): Ditto.

2016-12-03  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/43207
	* primary.c (gfc_match_varspec): Reject nonpolymorphic references to
	abstract types.

2016-12-03  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/42188
	* primary.c (gfc_match_rvalue): Add a new check that gives better error
	messages.

2016-12-03  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/58175
	* resolve.c (gfc_resolve_finalizers): Prevent bogus warning.

2016-12-02  Steven G. Kargl  <kargl@gcc.gnu.org>

	* simplify.c (gfc_convert_char_constant): Free result on error.

2016-12-02  Janus Weil  <janus@gcc.gnu.org>
	    Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/78618
	* check.c (gfc_check_rank): Remove ATTRIBUTE_UNUSED.
	* expr.c (gfc_check_assign): Fix error propagation.

2016-12-01  Elizebeth Punnoose  <elizebeth.punnoose@hpe.com>

	PR fortran/77505
	* trans-array.c (trans_array_constructor): Treat negative character
	length as LEN = 0.

2016-12-01  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/78279
	* dependency.c (identical_array_ref): Convert gcc_assert to conditional
	and gfc_internal_error.

2016-11-30  Andre Vehreschild  <vehre@gcc.gnu.org>

	* check.c (gfc_check_allocated): By pass the caf_get call and check on
	the array.
	* gfortran.h: Add optional flag to gfc_caf_attr.
	* gfortran.texi: Document new enum values and _caf_is_present function.
	* primary.c (caf_variable_attr): Add optional flag to indicate that the
	expression is reffing a component.
	(gfc_caf_attr): Likewise.
	* trans-array.c (gfc_array_deallocate): Handle deallocation mode for
	coarray deregistration.
	(gfc_trans_dealloc_allocated): Likewise.
	(duplicate_allocatable): Use constants instead of
        creating custom constant tree node of zero or one.  Use gfc_add_modify
        convenience function.
	(duplicate_allocatable_coarray): This function is similar to
	duplicate_allocatable but tailored to handle coarrays.
	(caf_enabled): Check whether in-derived-type coarray processing is
	enabled.
	(caf_in_coarray): Check that in-derived-type coarray processing is
	enabled and currently in a derived-typed coarray.
	(gfc_caf_is_dealloc_only): Return true, when deallocate only is
	desired for components in derived typed coarrays.
	(structure_alloc_comps): A mode for handling coarrays, that is no
	longer encode in the purpose.  This makes the use cases of the
	routine more flexible without repeating.  Allocatable components in
	derived type coarrays are now registered only when nullifying an
	object and allocated before copying data into them.
	(gfc_nullify_alloc_comp): Use the caf_mode of structure_alloc_comps
	now.
	(gfc_deallocate_alloc_comp): Likewise.
	(gfc_deallocate_alloc_comp_no_caf): Likewise.
	(gfc_reassign_alloc_comp_caf): Likewise.
	(gfc_copy_alloc_comp): Likewise.
	(gfc_copy_only_alloc_comp): Likewise.
	(gfc_alloc_allocatable_for_assignment): Make use to the cheaper way of
	reallocating a coarray without deregistering and reregistering it.
	(gfc_trans_deferred_array): Initialize the coarray token correctly for
	deferred variables and tear them down on exit.
	* trans-array.h: Change some prototypes to add the coarray (de-)
	registration modes.  Add prototype for checking if deallocate only is
	selected for components in derived typed coarrays.
	* trans-decl.c (gfc_build_builtin_function_decls): Generate the
	declarations for the changed/new caf-lib routines.
	(gfc_trans_deferred_vars): Ensure deferred variables are (de-)
	registered correctly on procedure entry/exit.
	(generate_coarray_sym_init): Use constants.
	* trans-expr.c (gfc_conv_procedure_call): Propagate coarray allocation
	modes accordingly.
	(gfc_trans_alloc_subarray_assign): Likewise.
	(gfc_trans_subcomponent_assign): Likewise.
	(gfc_trans_structure_assign): Generate code to register the components
	of a derived type coarray prior to initialization.
	(gfc_conv_structure): Set flag that the structure is in a coarray.
	(gfc_trans_scalar_assign): Add flag to indicate being in a coarray and
	set the structure_alloc_comps modes correctly.
	(gfc_trans_assignment_1): Figure being in a coarray expression.
	* trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Adapt to new
	structure_alloc_comps interface.
	(conv_caf_send): Use the old API as long as possible.
	(trans_caf_is_present): Generate code to check whether an allocatable
	component in a derived typed coarray is allocated on a remote image.
	(caf_this_image_ref): Return true, when only reffing this image.
	(gfc_conv_allocated): Convert allocated queries on allocatable
	components to the library API.
	(conv_intrinsic_move_alloc): Adapt to new interface of
	structure_alloc_comps.
	* trans-openmp.c (gfc_walk_alloc_comps): Likewise.
	(gfc_omp_clause_assign_op): Likewise.
	(gfc_omp_clause_dtor): Likewise.
	* trans-stmt.c (gfc_trans_deallocate): Figure which mode to use when
	deallocating allocatable components in derived type coarras.
	* trans.c (gfc_allocate_using_lib): Renamed to
	gfc_allcate_using_caf_lib.
	(gfc_allocate_allocatable): Set the registration mode/type of caf-
	register calls adapting to all the possible allocatable objects.
	(gfc_deallocate_with_status): Add deregistration mode for allocatable
	components in derived type coarrays.
	(gfc_deallocate_scalar_with_status): Likewise.
	* trans.h (enum gfc_coarray_type): Renamed to gfc_coarray_regtype to
	avoid collision with gfc_coarray_deregtype.

2016-11-30  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/78593
	* primary.c (gfc_match_varspec): Check if sym is non-null to avoid ICE.

2016-11-30  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/78592
	* interface.c (gfc_find_specific_dtio_proc): Rearrange code to avoid
	dereferencing a null pointer.

2016-11-30  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/78573
	* decl.c (build_struct): On error, return directly and do not build
	class symbol.

2016-11-29  Tobias Burnus  <burnus@net-b.de>

	PR fortran/58175
	* resolve.c (gfc_resolve_finalizers): Properly detect scalar finalizers.

2016-11-27  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/78474
	* module.c (gfc_match_submodule): If there is more than one
	colon, it is a syntax error.

	PR fortran/78331
	* module.c (gfc_use_module): If an smod file does not exist it
	is either because the module does not have a module procedure
	interface or there is an error in the module.

2016-11-25  Janne Blomqvist  <jb@gcc.gnu.org>

	* intrinsic.texi: Fix ptrdiff_t typo in ISO_C_BINDING constants
	table.

2016-11-25  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/60853
	* interface.c (gfc_compare_interfaces): Remove bad special case for
	unlimited polymorphism. Refactor for loop.

2016-11-25  Andre Vehreschild  <vehre@gcc.gnu.org>
	    Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/78293
	* trans-expr.c (gfc_conv_procedure_call): Prepend deallocation
	of alloctable components to post, rather than adding to
	se->post.
	* trans-stmt.c (gfc_trans_allocate): Move deallocation of expr3
	allocatable components so that all expr3s are visited.

2016-11-25  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/78293
	* gfortran.dg/allocatable_function_10.f90: New test.
	* gfortran.dg/class_array_15.f03: Increase builtin_free count
	from 11 to 12.

2016-11-24  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/78500
	* expr.c (gfc_check_vardef_contextm): Fix NULL pointer dereference.
	* interface.c (matching_typebound_op): Ditto.

2016-11-23  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/78297
	* trans-common.c (finish_equivalences): Do not dereference a NULL pointer.

2016-11-23  Martin Jambor  <mjambor@suse.cz>

	* f95-lang.c (DEF_HSA_BUILTIN): New macro.

2016-11-22  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/78479
	* expr.c (gfc_apply_init):  Allocate a charlen if needed.

2016-11-22  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/78443
	* class.c (add_proc_comp): Add a vtype component for non-overridable
	procedures that are overriding.

2016-11-20  Harald Anlauf  <anlauf@gmx.de>

	PR fortran/69741
	* resolve.c (gfc_resolve_forall): Check for nonscalar index variables.

2016-11-20  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/78395
	* resolve.c (resolve_typebound_function): Prevent stripping of refs,
	when the base-expression is a class' typed one.

2016-11-18  Richard Sandiford  <richard.sandiford@arm.com>
 	    Alan Hayward  <alan.hayward@arm.com>
 	    David Sherwood  <david.sherwood@arm.com>

	* trans-common.c (build_common_decl): Use SET_DECL_MODE.
	* trans-decl.c (gfc_build_label_decl): Likewise.
	* trans-types.c (gfc_get_array_descr_info): Likewise.

2016-11-17  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/66227
	* simplify.c (gfc_simplify_extends_type_of): Fix missed optimization.
	Prevent over-simplification. Fix a comment. Add a comment.

2016-11-16  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/58001
	* io.c (next_char_not_space): Update handling of a 'tab' in a FORMAT.
 	(format_lex): Adjust invocations of next_char_not_space().

2016-11-16  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/78356
	* class.c (gfc_is_class_scalar_expr): Prevent taking an array ref for
	a component ref.
	* trans-expr.c (gfc_trans_assignment_1): Ensure a reference to the
	object to copy is generated, when assigning class objects.

2016-11-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

	* dump-parse-tree.c (show_code):  Add prototype.
	(gfc_debug_code):  New function.
	(show_code_node):  Add space after SELECT TYPE.

2016-11-14  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/78300
	* resolve.c (resolve_procedure_interface): Properly handle CLASS-valued
	function results.

2016-11-13  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/60952
	* decl.c (match_procedure_in_type): Apply the FL_PROCEDURE attribute
	to the target procedure.

2016-11-13  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/66366
	* resolve.c (resolve_component): Move check for C437
	to ...
	* decl.c (build_struct): ... here. Fix indentation.

2016-11-12  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/77501
	* class.c (gfc_find_typebound_intrinsic_op): Remove an unnecessary
	assert and nullification.
	* decl.c (gfc_match_decl_type_spec): Use gfc_get_tbp_symtree,
	fix indentation.
	(gfc_match_generic): Remove an unnecessary assert.
	Use gfc_get_tbp_symtree to avoid ICE.

2016-11-10  Fritz O. Reese <fritzoreese@gmail.com>

	PR fortran/78277
	* gcc/fortran/decl.c (gfc_match_data_decl): Gracefully handle bad
	anonymous structure declarations.

2016-11-10  Fritz O. Reese <fritzoreese@gmail.com>

	* decl.c (get_struct_decl, gfc_match_map, gfc_match_union): Fix
	whitespace.
	* interface.c (gfc_compare_union_types): Likewise.

2016-11-10  Jakub Jelinek  <jakub@redhat.com>

	* cpp.c (cpp_define_builtins): Define _OPENMP to 201511 instead
	of 201307.
	* gfortran.texi: Mention partial OpenMP 4.5 support.
	* intrinsic.texi: Update for OpenMP 4.5.

	* openmp.c (gfc_free_omp_clauses): Free critical_name, grainsize,
	hint, num_tasks, priority and if_exprs.
	(gfc_match_omp_to_link, gfc_match_omp_depend_sink): New functions.
	(enum omp_mask1, enum omp_mask2): New enums.
	Change all OMP_CLAUSE_* defines into enum values, and change their
	values from ((uint64_t) 1 << bit) to just bit.
	(omp_mask, omp_inv_mask): New classes.  Add ctors and operators.
	(gfc_match_omp_clauses): Change mask argument from uint64_t to
	const omp_mask.  Assert OMP_MASK1_LAST and OMP_MASK2_LAST are
	at most 64.  Move delete clause handling to where it
	alphabetically belongs.  Parse defaultmap, grainsize, hint,
	is_device_ptr, nogroup, nowait, num_tasks, priority, simd, threads
	and use_device_ptr clauses.  Parse if clause modifier.  Parse map
	clause always modifier, and release and delete kinds.  Parse ordered
	clause with argument.  Parse schedule clause modifiers.  Differentiate
	device clause parsing based on openacc flag.  Guard link clause
	parsing with openacc flag.  Add support for parsing
	linear clause modifiers.  Parse depend(source) and depend(sink: ...).
	Use gfc_match_omp_to_link for to and link clauses in declare target
	construct.
	(match_acc): Change mask type from uint64_t to const omp_mask.
	(OMP_SINGLE_CLAUSES, OMP_ORDERED_CLAUSES,
	OMP_DECLARE_TARGET_CLAUSES, OMP_TASKLOOP_CLAUSES,
	OMP_TARGET_ENTER_DATA_CLAUSES, OMP_TARGET_EXIT_DATA_CLAUSES): Define.
	(OACC_PARALLEL_CLAUSES, OACC_KERNELS_CLAUSES, OACC_DATA_CLAUSES,
	OACC_LOOP_CLAUSES, OACC_HOST_DATA_CLAUSES, OACC_DECLARE_CLAUSES,
	OACC_ENTER_DATA_CLAUSES, OACC_EXIT_DATA_CLAUSES, OACC_WAIT_CLAUSES,
	OACC_ROUTINE_CLAUSES, OMP_PARALLEL_CLAUSES, OMP_DECLARE_SIMD_CLAUSES,
	OMP_SECTIONS_CLAUSES, OMP_TEAMS_CLAUSES, OMP_DISTRIBUTE_CLAUSES):
	Replace first or only OMP_CLAUSE_* value in bitset with
	omp_mask (OMP_CLAUSE_*).
	(OMP_DO_CLAUSES): Likewise.  Add OMP_CLAUSE_LINEAR.
	(OMP_SIMD_CLAUSES): Replace first or only OMP_CLAUSE_* value in
	bitset with omp_mask (OMP_CLAUSE_*).  Add OMP_CLAUSE_SIMDLEN.
	(OACC_UPDATE_CLAUSES): Replace first or only OMP_CLAUSE_* value in
	bitset with omp_mask (OMP_CLAUSE_*).  Replace OMP_CLAUSE_OACC_DEVICE
	with OMP_CLAUSE_DEVICE.
	(OMP_TASK_CLAUSES): Replace first or only OMP_CLAUSE_* value in
	bitset with omp_mask (OMP_CLAUSE_*).  Add OMP_CLAUSE_PRIORITY.
	(OMP_TARGET_CLAUSES): Replace first or only OMP_CLAUSE_* value in
	bitset with omp_mask (OMP_CLAUSE_*).  Add OMP_CLAUSE_DEPEND,
	OMP_CLAUSE_NOWAIT, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_FIRSTPRIVATE,
	OMP_CLAUSE_DEFAULTMAP and OMP_CLAUSE_IS_DEVICE_PTR.
	(OMP_TARGET_DATA_CLAUSES): Replace first or only OMP_CLAUSE_* value in
	bitset with omp_mask (OMP_CLAUSE_*).  Add OMP_CLAUSE_USE_DEVICE_PTR.
	(OMP_TARGET_UPDATE_CLAUSES): Replace first or only OMP_CLAUSE_* value
	in bitset with omp_mask (OMP_CLAUSE_*).  Add OMP_CLAUSE_DEPEND and
	OMP_CLAUSE_NOWAIT.
	(match_omp): Change mask argument from unsigned int to
	const omp_mask.
	(gfc_match_omp_critical): Parse optional clauses and use omp_clauses
	union member instead of omp_name.
	(gfc_match_omp_end_critical): New function.
	(gfc_match_omp_distribute_parallel_do): Remove ordered and linear
	clauses from the mask.
	(gfc_match_omp_distribute_parallel_do_simd): Use
	& ~(omp_mask (OMP_CLAUSE_*)) instead of & ~OMP_CLAUSE_*.
	(gfc_match_omp_target_teams_distribute_parallel_do_simd): Likewise.
	(gfc_match_omp_teams_distribute_parallel_do_simd): Likewise.
	(gfc_match_omp_do_simd): Likewise.  Don't remove ordered clause from
	the mask.
	(gfc_match_omp_parallel_do_simd): Likewise.
	(gfc_match_omp_target_teams_distribute_parallel_do): Likewise.
	(gfc_match_omp_teams_distribute_parallel_do): Likewise.
	(gfc_match_omp_declare_simd): If not using the form with
	(proc-name), require space before first clause.  Make (proc-name)
	optional.  If not present, set proc_name to NULL.
	(gfc_match_omp_declare_target): Rewritten for OpenMP 4.5.
	(gfc_match_omp_single): Use OMP_SINGLE_CLAUSES.
	(gfc_match_omp_task, gfc_match_omp_taskwait, gfc_match_omp_taskyield):
	Move around to where they belong alphabetically.
	(gfc_match_omp_target_enter_data, gfc_match_omp_target_exit_data,
	gfc_match_omp_target_parallel, gfc_match_omp_target_parallel_do,
	gfc_match_omp_target_parallel_do_simd, gfc_match_omp_target_simd,
	gfc_match_omp_taskloop, gfc_match_omp_taskloop_simd):
	New functions.
	(gfc_match_omp_ordered): Parse clauses.
	(gfc_match_omp_ordered_depend): New function.
	(gfc_match_omp_cancel, gfc_match_omp_end_single): Use
	omp_mask (OMP_CLAUSE_*) instead of OMP_CLAUSE_*.
	(resolve_oacc_scalar_int_expr): Renamed to ...
	(resolve_scalar_int_expr): ... this.  Fix up formatting.
	(resolve_oacc_positive_int_expr): Renamed to ...
	(resolve_positive_int_expr): ... this.  Fix up formatting.
	(resolve_nonnegative_int_expr): New function.
	(resolve_omp_clauses): Adjust callers, use the above functions
	even for OpenMP clauses, add handling of new OpenMP 4.5 clauses.
	Require orderedc >= collapse if specified. Handle depend(sink:)
	and depend(source) restrictions.  Disallow linear clause when
	orderedc is non-zero.  Diagnose linear clause modifiers when not in
	declare simd.  Only check for integer type if ref modifier
	is not used.  Remove diagnostics for required VALUE attribute.
	Diagnose VALUE attribute with ref or uval modifiers.  Allow
	non-constant linear-step, if it is a dummy argument alone and is
	mentioned in uniform clause.  Diagnose map kinds not allowed
	for various constructs.  Diagnose target {enter ,exit ,}data without
	any map clauses.  Add dummy OMP_LIST_IS_DEVICE_PTR and
	OMP_LIST_USE_DEVICE_PTR cases.
	(gfc_resolve_omp_do_blocks): Set omp_current_do_collapse to orderedc
	if non-zero.
	(gfc_resolve_omp_parallel_blocks): Handle new OpenMP 4.5 constructs,
	replace underscores with spaces in a few construct names.
	(resolve_omp_do): Set collapse to orderedc if non-zero.  Handle new
	OpenMP 4.5 constructs.
	(resolve_oacc_loop_blocks): Call resolve_positive_int_expr instead
	of resolve_oacc_positive_int_expr.
	(gfc_resolve_omp_directive): Handle new OpenMP 4.5 constructs.
	(gfc_resolve_omp_declare_simd): Allow ods->proc_name to be NULL.
	* trans-openmp.c (gfc_omp_scalar_p): New function.
	(doacross_steps): New variable.
	(gfc_trans_omp_clauses): Handle new OpenMP 4.5 clauses and new clause
	modifiers.
	(gfc_trans_omp_critical): Adjust EXEC_OMP_CRITICAL handling.
	(gfc_trans_omp_do): Handle doacross loops.  Clear sched_simd flag.
	Handle EXEC_OMP_TASKLOOP.
	(gfc_trans_omp_ordered): Translate omp clauses, allow NULL
	code->block.
	(GFC_OMP_SPLIT_TASKLOOP, GFC_OMP_MASK_TASKLOOP): New enum constants.
	(gfc_split_omp_clauses): Copy orderedc together with ordered.  Change
	firstprivate and lastprivate handling for OpenMP 4.5.
	Handle EXEC_OMP_TARGET_SIMD, EXEC_OMP_TARGET_PARALLEL{,_DO,_DO_SIMD}
	and EXEC_OMP_TASKLOOP{,_SIMD}.  Add handling for new OpenMP 4.5
	clauses and clause modifiers and handle if clause without/with
	modifiers.
	(gfc_trans_omp_teams): Add omp_clauses argument, add it to other
	teams clauses.  Don't wrap into OMP_TEAMS if -fopenmp-simd.
	(gfc_trans_omp_target): For -fopenmp, translate num_teams and
	thread_limit clauses on combined target teams early and pass to
	gfc_trans_omp_teams.  Set OMP_TARGET_COMBINED if needed.
	Handle EXEC_OMP_TARGET_PARALLEL{,_DO,_DO_SIMD} and
	EXEC_OMP_TARGET_SIMD.
	(gfc_trans_omp_taskloop, gfc_trans_omp_target_enter_data,
	gfc_trans_omp_target_exit_data): New functions.
	(gfc_trans_omp_directive): Handle EXEC_OMP_TARGET_{ENTER,EXIT}_DATA
	EXEC_OMP_TASKLOOP{,_SIMD}, EXEC_OMP_TARGET_PARALLEL{,_DO,_DO_SIMD}
	and EXEC_OMP_TARGET_SIMD.  Adjust gfc_trans_omp_teams caller.
	* symbol.c (check_conflict): Handle omp_declare_target_link.
	(gfc_add_omp_declare_target_link): New function.
	(gfc_copy_attr): Copy omp_declare_target_link.
	* dump-parse-tree.c (show_omp_namelist): Handle OMP_DEPEND_SINK_FIRST
	depend_op.  Print linear clause modifiers.
	(show_omp_clauses): Adjust for OpenMP 4.5 clause changes.
	(show_omp_node): Print clauses for EXEC_OMP_ORDERED.  Allow NULL
	c->block for EXEC_OMP_ORDERED.  Formatting fixes.  Adjust handling of
	EXEC_OMP_CRITICAL, handle new OpenMP 4.5 constructs and some
	forgotten OpenMP 4.0 constructs.
	(show_code_node): Handle new OpenMP 4.5 constructs and some forgotten
	OpenMP 4.0 constructs.
	* gfortran.h (symbol_attribute): Add omp_declare_target_link bitfield.
	(struct gfc_omp_namelist): Add u.common and u.linear_op fields.
	(struct gfc_common_head): Change omp_declare_target into bitfield.
	Add omp_declare_target_link bitfield.
	(gfc_add_omp_declare_target_link): New prototype.
	(enum gfc_statement): Add ST_OMP_TARGET_PARALLEL,
	ST_OMP_END_TARGET_PARALLEL, ST_OMP_TARGET_PARALLEL_DO,
	ST_OMP_END_TARGET_PARALLEL_DO, ST_OMP_TARGET_PARALLEL_DO_SIMD,
	ST_OMP_END_TARGET_PARALLEL_DO_SIMD, ST_OMP_TARGET_ENTER_DATA,
	ST_OMP_TARGET_EXIT_DATA, ST_OMP_TARGET_SIMD, ST_OMP_END_TARGET_SIMD,
	ST_OMP_TASKLOOP, ST_OMP_END_TASKLOOP, ST_OMP_TASKLOOP_SIMD,
	ST_OMP_END_TASKLOOP_SIMD and ST_OMP_ORDERED_DEPEND.
	(enum gfc_omp_depend_op): Add OMP_DEPEND_SINK_FIRST and
	OMP_DEPEND_SINK.
	(enum gfc_omp_linear_op): New.
	(struct gfc_omp_clauses): Add critical_name, depend_source,
	orderedc, defaultmap, nogroup, sched_simd, sched_monotonic,
	sched_nonmonotonic, simd, threads, grainsize, hint, num_tasks,
	priority and if_exprs fields.
	(enum gfc_exec_op): Add EXEC_OMP_END_CRITICAL,
	EXEC_OMP_TARGET_ENTER_DATA, EXEC_OMP_TARGET_EXIT_DATA,
	EXEC_OMP_TARGET_PARALLEL, EXEC_OMP_TARGET_PARALLEL_DO,
	EXEC_OMP_TARGET_PARALLEL_DO_SIMD, EXEC_OMP_TARGET_SIMD,
	EXEC_OMP_TASKLOOP, EXEC_OMP_TASKLOOP_SIMD.
	(enum gfc_omp_map_op): Add OMP_MAP_RELEASE,
	OMP_MAP_ALWAYS_TO, OMP_MAP_ALWAYS_FROM and OMP_MAP_ALWAYS_TOFROM.
	(OMP_LIST_IS_DEVICE_PTR, OMP_LIST_USE_DEVICE_PTR): New.
	(enum gfc_omp_if_kind): New.
	* module.c (enum ab_attribute): Add AB_OMP_DECLARE_TARGET_LINK.
	(attr_bits): Add AB_OMP_DECLARE_TARGET_LINK entry.
	(mio_symbol_attribute): Save and restore omp_declare_target_link bit.
	* trans.h (gfc_omp_scalar_p): New prototype.
	* frontend-passes.c (gfc_code_walker): Handle new OpenMP 4.5
	expressions.
	* trans.c (trans_code): Handle new OpenMP 4.5 constructs.
	* resolve.c (gfc_resolve_blocks): Likewise.
	(gfc_resolve_code): Likewise.
	* f95-lang.c (LANG_HOOKS_OMP_SCALAR_P): Redefine to gfc_omp_scalar_p.
	(gfc_attribute_table): Add "omp declare target link".
	* st.c (gfc_free_statement): Handle EXEC_OMP_END_CRITICAL like
	EXEC_OMP_CRITICAL before, free clauses for EXEC_OMP_CRITICAL
	and new OpenMP 4.5 constructs.  Free omp clauses even for
	EXEC_OMP_ORDERED.
	* match.c (match_exit_cycle): Rename collapse variable to count,
	set it to orderedc if non-zero, instead of collapse.
	* trans-decl.c (add_attributes_to_decl): Add "omp declare target link"
	instead of "omp declare target" for omp_declare_target_link.
	* trans-common.c (build_common_decl): Likewise.
	* match.h (gfc_match_omp_target_enter_data,
	gfc_match_omp_target_exit_data, gfc_match_omp_target_parallel,
	gfc_match_omp_target_parallel_do,
	gfc_match_omp_target_parallel_do_simd, gfc_match_omp_target_simd,
	gfc_match_omp_taskloop, gfc_match_omp_taskloop_simd,
	gfc_match_omp_end_critical, gfc_match_omp_ordered_depend): New
	prototypes.
	* parse.c (decode_omp_directive): Use gfc_match_omp_end_critical
	instead of gfc_match_omp_critical for !$omp end critical.
	Handle new OpenMP 4.5 constructs.  If ordered directive has
	depend clause as the first of the clauses, use
	gfc_match_omp_ordered_depend and ST_OMP_ORDERED_DEPEND instead of
	gfc_match_omp_ordered and ST_OMP_ORDERED.
	(case_executable): Add ST_OMP_TARGET_ENTER_DATA,
	ST_OMP_TARGET_EXIT_DATA and ST_OMP_ORDERED_DEPEND cases.
	(case_exec_markers): Add ST_OMP_TARGET_PARALLEL,
	ST_OMP_TARGET_PARALLEL_DO, ST_OMP_TARGET_PARALLEL_DO_SIMD,
	ST_OMP_TARGET_SIMD, ST_OMP_TASKLOOP and ST_OMP_TASKLOOP_SIMD cases.
	(gfc_ascii_statement): Handle new OpenMP 4.5 constructs.
	(parse_omp_do): Handle ST_OMP_TARGET_PARALLEL_DO,
	ST_OMP_TARGET_PARALLEL_DO_SIMD, ST_OMP_TASKLOOP and
	ST_OMP_TASKLOOP_SIMD.
	(parse_omp_structured_block): Handle EXEC_OMP_END_CRITICAL instead
	of EXEC_OMP_CRITICAL, adjust for EXEC_OMP_CRITICAL having omp clauses
	now.
	(parse_executable): Handle ST_OMP_TARGET_PARALLEL,
	ST_OMP_TARGET_PARALLEL_DO, ST_OMP_TARGET_PARALLEL_DO_SIMD,
	ST_OMP_TASKLOOP and ST_OMP_TASKLOOP_SIMD.

2016-11-09  Mikael Morin  <mikael@gcc.gnu.org>
	    Janus Weil  <janus@gcc.gnu.org>

	PR fortran/46459
	* interface.c (compare_actual_formal): Add safety checks to avoid ICE.

2016-11-09  Fritz O. Reese <fritzoreese@gmail.com>

	PR fortran/78259
	* trans-expr.c (gfc_trans_subcomponent_assign): Guard against NULL
	values.

2016-11-09  Steven G. Kargl  <kargl@gcc.gnu.org>
	    Janus Weil  <janus@gcc.gnu.org>

	PR fortran/60777
	* expr.c (external_spec_function): Allow recursive specification
	functions in F03.

2016-11-09  Paul Thomas  <pault@gcc.gnu.org>

	* check.c (gfc_check_move_alloc): Prevent error that avoids
	aliasing between to and from arguments from rejecting valid
	code.

2016-11-09  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/71894
	* class.c (gfc_add_component_ref): Add safety checks to avoid ICE.

2016-11-08  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/68440
	* expr.c (check_alloc_comp_init): Loosen an assert.
	* resolve.c (resolve_fl_parameter): Reject class parameters.

2016-11-08  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/77596
	* expr.c (gfc_check_pointer_assign): Add special check for procedure-
	pointer component with absent interface.

2016-11-07  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/78226
	* expr.c (gfc_generate_initializer):  Add where to EXPR_NULL
	statement.
	* iresolve.c (gfc_resolve_extends_type_of):  Add where to
	both arguments of the function.
	* resolve.c (resolve_select_type):  Add where to the
	second argument of the new statement.

2016-11-07  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/78226
	* match.c (gfc_match_select_type):  Add where for expr1.
	* resolve.c (resolev_select_type): Add where for expr1 of new
	statement.

2016-11-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/78226
	resolve.c (build_loc_call): Add location to return value.

2016-11-06  Andre Vehreschild  <vehre@gcc.gnu.org>

	* expr.c (is_non_empty_structure_constructor): New function to detect
	non-empty structure constructor.
	(gfc_has_default_initializer): Analyse initializers.
	* resolve.c (cond_init): Removed.
	(resolve_allocate_expr): Removed dead code.  Moved invariant code out
	of the loop over all objects to allocate.
	(resolve_allocate_deallocate): Added the invariant code remove from
	resolve_allocate_expr.
	* trans-array.c (gfc_array_allocate): Removed nullify of structure
	components in favour of doing this in gfc_trans_allocate for both
	scalars and arrays in the same place.
	* trans-expr.c (gfc_trans_init_assign): Always using _vptr->copy for
	class objects.
	* trans-stmt.c (allocate_get_initializer): Get the initializer
	expression for object allocated.
	(gfc_trans_allocate): Nullify a derived type only, when no SOURCE=
	or MOLD= is present preventing duplicate work.  Moved the creation
	of the init-expression here to prevent code for conditions that
	can not occur on freshly allocated object, like checking for the need
	to free allocatable components.

2016-11-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/78221
	* arith.c (gfc_complex2real):  Change gfc_warning_now to
	gfc_warning.

2016-11-05  Paul Thomas  <pault@gcc.gnu.org>

	* check.c (gfc_check_move_alloc): Introduce error to prevent
	aliasing between to and from arguments.

2016-11-05  Janus Weil  <janus@gcc.gnu.org>
	    Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR fortran/69495
	* invoke.texi: Mention -Wpedantic as an alias of -pedantic.
	* check.c (gfc_check_transfer): Mention responsible flag in warning
	message.
	* frontend-passes.c (do_warn_function_elimination): Ditto.
	* resolve.c (resolve_elemental_actual): Ditto.
	(resolve_operator): Ditto.
	(warn_unused_fortran_label): Ditto.
	* trans-common.c (translate_common): Ditto.

2016-11-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/67564
	* trans-expr.c (gfc_conv_class_to_class): Return _len component
	of unlimited polymorphic entities.

2016-11-04  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/64933
	* primary.c (gfc_match_varspec): If selector expression is
	unambiguously an array, make sure that the associate name
	is an array and has an array spec. Modify the original
	condition for doing this to exclude character types.

2016-11-03  Fritz Reese <fritzoreese@gmail.com>

	* gfortran.texi: Document.
	* gfortran.h (gfc_dt): New field default_exp.
	* primary.c (match_real_constant): Default exponent with -fdec.
	* io.c (match_io): Set dt.default_exp with -fdec.
	* ioparm.def (IOPARM_dt_default_exp): New.
	* trans-io.c (build_dt): Set IOPARM_dt_default_exp with -fdec.

2016-11-03  Fritz O. Reese <fritzoreese@gmail.com>

	* decl.c (gfc_match_parameter): Allow omitted '()' with -std=legacy.
	* parse.c (decode_statement): Match "parameter" before assignments.
	* gfortran.texi: Document.

2016-11-02  Fritz O. Reese <fritzoreese@gmail.com>

	* lang.opt, invoke.texi: New argument -Wargument-mismatch.
	* interface.c (compare_parameter, compare_actual_formal,
	gfc_check_typebound_override, argument_rank_mismatch): Control argument
	mismatch warnings with -Wargument-mismatch.
	* resolve.c (resolve_structure_cons, resolve_global_procedure): Ditto.

2016-11-02  Fritz Reese <fritzoreese@gmail.com>

	* gfortran.h (gfc_error): New declaration for gfc_error with 'opt'.
	* error.c (gfc_error): Add optional 'opt' argument.
	* error.c (gfc_notify_std): Call fully-qualified gfc_error.

2016-11-01  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/78178
	* match.c (match_simple_where):  Fill in locus for assigment
	in simple WHERE statement.

2016-11-01  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/69544
	* match.c (gfc_match_where):  Fill in locus for assigment
	in simple WHERE statement.

2016-10-31  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/54679
	* io.c (check_format): Adjust checks for FMT_L to treat a zero
	width as an extension, giving warnings or error as appropriate.
	Improve messages.

2016-10-31  Jakub Jelinek  <jakub@redhat.com>

	* trans-types.c (gfc_get_array_descr_info): For -gdwarf-5 or
	-gno-strict-dwarf, handle assumed rank arrays the way dwarf2out
	expects.

2016-10-30  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/67219
	* arith.c (gfc_int2real):  Change gfc_warning_now
	to gfc_warning.
	* primary.c (match_complex_constant):  If there
	is no comma, throw away any warning which might have
	been issued by gfc_int2real.

2016-10-28  Steven G. Kargl <kargl@gcc.gnu.org>

	PR fortran/71891
	* symbol.c (gfc_type_compatible): Fix typo.

2016-10-27  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/78026
	* parse.c (decode_statement): Don't create namespace for possible
	select type here and destroy it afterwards.
	(parse_select_type_block): Set gfc_current_ns to new_st.ext.block.ns.
	(parse_executable, gfc_parse_file): Formatting fixes.
	* match.c (gfc_match_select_type): Create namespace for select type
	here, only after matching select type.  Formatting fixes.  Free that
	namespace if not returning MATCH_YES, after gfc_undo_symbols,
	otherwise remember it in new_st.ext.block.ns and switch to parent
	namespace anyway.

2016-10-27  Fritz Reese  <fritzoreese@gmail.com>

	* expr.c (generate_union_initializer, get_union_initializer): New.
	* expr.c (component_initializer): Consider BT_UNION specially.
	* resolve.c (resolve_structure_cons): Hack for BT_UNION.
	* trans-expr.c (gfc_trans_subcomponent_assign): Ditto.
	* trans-expr.c (gfc_conv_union_initializer): New.
	* trans-expr.c (gfc_conv_structure): Replace UNION handling code with
	new function gfc_conv_union_initializer.

2016-10-26  Steven G. Kargl <kargl@gcc.gnu.org>

	PR fortran/78092
	* trans-intrinsic.c (gfc_conv_intrinsic_sizeof):  Fix reference to an
	array element of type CLASS.

2016-10-26  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/78108
	* resolve.c (resolve_typebound_intrinsic_op): For submodules
	suppress the error and return if the same procedure symbol
	is added more than once to the interface.

2016-10-26  Fritz Reese  <fritzoreese@gmail.com>

	* frontend-passes.c (gfc_code_walker): Add SHARE and CARRIAGECONTROL.
	* io.c (gfc_free_open, gfc_resolve_open, gfc_match_open): Ditto.
	* gfortran.h (gfc_open): Add SHARE, CARRIAGECONTROL, and READONLY.
	* io.c (io_tag, match_open_element): Ditto.
	* ioparm.def: Ditto.
	* trans-io.c (gfc_trans_open): Ditto.
	* io.c (match_dec_etag, match_dec_ftag): New functions.
	* gfortran.texi: Document.

2016-10-25  Fritz Reese  <fritzoreese@gmail.com>

	* gfortran.texi: Document.
	* resolve.c (logical_to_bitwise): New function.
	* resolve.c (resolve_operator): Wrap operands with logical_to_bitwise.

2016-10-25  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/72770
	* class.c (find_intrinsic_vtab): No longer encode the string length
	into vtype's name and use the char's kind for the size instead of
	the string_length time the size.
	* trans-array.c (gfc_conv_ss_descriptor): For deferred length char
	arrays the dynamically sized type needs to be declared.
	(build_class_array_ref): Address the i-th array element by multiplying
	it with the _vptr->_size and the _len to make sure char arrays are
	addressed correctly.
	* trans-expr.c (gfc_conv_intrinsic_to_class): Made comment more
	precise.

2016-10-25  Cesar Philippidis  <cesar@codesourcery.com>

	* intrinsic.texi (cosd): New mathop.

2016-10-25  Fritz Reese  <fritzoreese@gmail.com>

	* match.c (gfc_match_intrinsic_op): Match ".XOR." with -std=legacy.
	* gfortran.texi: Document.

2016-10-25  Fritz Reese  <fritzoreese@gmail.com>

	* primary.c (gfc_match_rvalue): Match %LOC as LOC with -std=legacy.
	* gfortran.texi: Document.

2016-10-25  Fritz Reese  <fritzoreese@gmail.com>

	* decl.c (gfc_match_type): New function.
	* match.h (gfc_match_type): New function.
	* match.c (gfc_match_if): Special case for one-line IFs.
	* gfortran.texi: Update documentation.
	* parse.c (decode_statement): Invoke gfc_match_type.

2016-10-25  Fritz Reese  <fritzoreese@gmail.com>

	* gfortran.texi: Document.
	* gfortran.h (gfc_is_whitespace): Include form feed ('\f').

2016-10-25  Fritz Reese  <fritzoreese@gmail.com>

	* invoke.texi, gfortran.texi: Touch up documentation of -fdec.
	* gfortran.h (gfc_option): Move flag_dec_structure out of gfc_option.
	* decl.c (match_record_decl, gfc_match_decl_type_spec,
	gfc_match_structure_decl): Ditto.
	* match.c (gfc_match_member_sep): Ditto.
	* options.c (gfc_handle_option): Ditto.
	* lang.opt (fdec-structure): Use Fortran Var for flag_dec_structure.
	* lang.opt (fdec): Use Fortran Var to create flag_dec.
	* options.c (set_dec_flags): With -fdec enable -fcray-pointer,
	-fd-lines-as-comments (default), -fdollar-ok, and legacy std flags.

2016-10-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/77828
	* ioparm.def: Reorder dt parameters to match libgfortran.
	* libgfortran.h: Swap definitions of GFC_INTERNAL_UNIT and
	GFC_INTERNAL_UNIT4.

2016-10-24  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/71895
	* interface.c (gfc_compare_derived_types):  Convert gcc_assert()
	to a gfc_internal_error() to prevent an ICE.

2016-10-24  Jakub Jelinek  <jakub@redhat.com>

	* trans-intrinsic.c (gfc_conv_intrinsic_minmax): Use VAR_P (x)
	instead of TREE_CODE (x) == VAR_DECL.
	* trans-expr.c (gfc_class_vptr_get, gfc_class_len_get,
	gfc_class_len_or_zero_get, gfc_get_vptr_from_expr,
	gfc_conv_string_length, conv_base_obj_fcn_val,
	gfc_conv_procedure_call, gfc_trans_assignment_1): Likewise.
	* trans-openmp.c (gfc_omp_predetermined_sharing,
	gfc_omp_disregard_value_expr, gfc_omp_private_debug_clause,
	gfc_trans_omp_atomic, gfc_trans_omp_do): Likewise.
	* trans-io.c (nml_get_addr_expr): Likewise.
	* trans-decl.c (gfc_finish_decl, gfc_build_qualified_array,
	gfc_get_symbol_decl, gfc_get_fake_result_decl,
	gfc_trans_deferred_vars, gfc_trans_use_stmts,
	generate_local_decl): Likewise.
	* trans-array.c (trans_array_constructor, trans_array_bound_check,
	build_class_array_ref, gfc_array_init_size,
	gfc_trans_auto_array_allocation, gfc_trans_g77_array,
	gfc_trans_dummy_array_bias, gfc_alloc_allocatable_for_assignment,
	gfc_trans_deferred_array): Likewise.
	* trans.c (gfc_build_array_ref): Likewise.  Use
	VAR_OR_FUNCTION_DECL_P (x) instead of TREE_CODE (x) == VAR_DECL
	|| TREE_CODE (x) == FUNCTION_DECL.

2016-10-23  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77763
	* parse.c (parse_spec): Allow STRUCTURE in BLOCK DATA.  Sort
	case labels.

2016-10-23  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/54730
	PR fortran/78033
	* array.c (gfc_match_array_constructor): Remove checkpointing
	introduced in r196416 (original fix for PR fortran/54730).  Move
	initialization to top of function.
	* match.c (gfc_match_type_spec): Special case matching for REAL.

2016-10-23  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/69834
	* class.c (gfc_find_derived_vtab): Obtain the gsymbol for the
	derived type's module. If the gsymbol is present and the top
	level namespace corresponds to a module, use the gsymbol name
	space. In the search to see if the vtable exists, try the gsym
	namespace first.
	* dump-parse-tree (show_code_node): Modify select case dump to
	show select type construct.
	* resolve.c (build_loc_call): New function.
	(resolve_select_type): Add check for repeated type is cases.
	Retain selector expression and use it later instead of expr1.
	Exclude deferred length TYPE IS cases and emit error message.
	Store the address for the vtable in the 'low' expression and
	the hash value in the 'high' expression, for each case. Do not
	call resolve_select.
	* trans.c(trans_code) : Call gfc_trans_select_type.
	* trans-stmt.c (gfc_trans_select_type_cases): New function.
	(gfc_trans_select_type): New function.
	* trans-stmt.h : Add prototype for gfc_trans_select_type.

2016-10-22  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/78021
	* gfc_compare_functions:  Strings with different lengths in
	argument lists compare unequal.

2016-10-22  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/43366
	PR fortran/51864
	PR fortran/57117
	PR fortran/61337
	PR fortran/61376
	* primary.c (gfc_expr_attr): For transformational functions on classes
	get the attrs from the class argument.
	* resolve.c (resolve_ordinary_assign): Remove error message due to
	feature implementation.  Rewrite POINTER_ASSIGNS to ordinary ones when
	the right-hand side is scalar class object (with some restrictions).
	* trans-array.c (trans_array_constructor): Create the temporary from
	class' inner type, i.e., the derived type.
	(build_class_array_ref): Add support for class array's storage of the
	class object or the array descriptor in the decl saved descriptor.
	(gfc_conv_expr_descriptor): When creating temporaries for class objects
	add the class object's handle into the decl saved descriptor.
	(structure_alloc_comps): Use the common way to get the _data component.
	(gfc_is_reallocatable_lhs): Add notion of allocatable class objects.
	* trans-expr.c (gfc_find_and_cut_at_last_class_ref): Remove the only ref
	only when the expression's type is BT_CLASS.
	(gfc_trans_class_init_assign): Correctly handle class arrays.
	(gfc_trans_class_assign): Joined into gfc_trans_assignment_1.
	(gfc_conv_procedure_call): Support for class types as arguments.
	(trans_get_upoly_len): For unlimited polymorphics retrieve the _len
	component's tree.
	(trans_class_vptr_len_assignment): Catch all ways to assign the _vptr
	and _len components of a class object correctly.
	(pointer_assignment_is_proc_pointer): Identify assignments of
	procedure pointers.
	(gfc_trans_pointer_assignment): Enhance support for class object pointer
	assignments.
	(gfc_trans_scalar_assign): Removed assert.
	(trans_class_assignment): Assign to a class object.
	(gfc_trans_assignment_1): Treat class objects correctly.
	(gfc_trans_assignment): Propagate flags to trans_assignment_1.
	* trans-stmt.c (gfc_trans_allocate): Use gfc_trans_assignment now
	instead of copy_class_to_class.
	* trans-stmt.h: Function prototype removed.
	* trans.c (trans_code): Less special casing for class objects.
	* trans.h: Added flags to gfc_trans_assignment () prototype.

2016-10-21  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/69566
	* resolve.c (fixup_array_ref): New function.
	(resolve_select_type): Gather up the rank and array reference,
	if any, from the selector. Fix up the 'associate name' and the
	'associate entities' as necessary.
	* trans-expr.c (gfc_conv_class_to_class): If the symbol backend
	decl is a FUNCTION_DECL, use the 'fake_result_decl' instead.

2016-10-20  Steven G. Kargl  <kargl@gcc.gnu.org>

	* array.c (gfc_match_array_constructor): Remove set, but unused
	variable.

2016-10-20  Andre Vehreschild  <vehre@gcc.gnu.org>

	* class.c (gfc_build_class_symbol): Set the kind of _len to
	gfc_charlen_int_kind to catch changes of the charlen kind.

2016-10-17  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77978
	* match.c (gfc_match_stopcode): Fix error reporting for several
	deficiencies in matching stop-codes.

2016-10-17  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/61420
	PR fortran/78013
	* resolve.c (resolve_variable): Obtain the typespec for a
	variable expression, when the variable is a function result
	that is a procedure pointer.

2016-10-16  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/48298
	* trans-io.c (transfer_expr): Ignore dtio procedures for inquire
	with iolength.

2016-10-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/77972
	* scanner.c (gfc_next_char_literal): If nextc is null do not
	decrement the pointer and call the diagnostics.

2016-10-14  Andre Vehreschild  <vehre@gcc.gnu.org>

	* resolve.c (resolve_symbol): Add unimplemented message for
	polymorphic types with allocatable/pointer components and coarray=lib.

2016-10-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	* trans-intrinsic.c: Include memmodel.h.

2016-10-13  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/72832
	* trans-expr.c (gfc_copy_class_to_class): Add generation of
	runtime array bounds check.
	* trans-intrinsic.c (gfc_conv_intrinsic_size): Add a crutch to
	get the descriptor of a function returning a class object.
	* trans-stmt.c (gfc_trans_allocate): Use the array spec on the
	array to allocate instead of the array spec from source=.

2016-10-12  Andre Vehreschild  <vehre@gcc.gnu.org>

	* trans-expr.c (gfc_find_and_cut_at_last_class_ref): Fixed style.
	(gfc_trans_class_init_assign): Same.
	(gfc_conv_procedure_call): Same.
	(gfc_trans_assignment_1): Same.
	* trans-stmt.c (gfc_trans_allocate): Same.

2016-10-11  Jakub Jelinek  <jakub@redhat.com>

	* iresolve.c (is_trig_resolved, resolve_trig_call): Formatting fixes.
	* simplify.c (simplify_trig_call, degrees_f, radians_f,
	gfc_simplify_atrigd, gfc_simplify_cotan): Likewise.

2016-10-11  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77942
	* simplify.c (gfc_simplify_cshift): Check for zero.

2016-10-11  Fritz Reese  <fritzoreese@gmail.com>

	* iresolve.c (get_radians, get_degrees): Fix sloppy commit.
	* simplify.c (degrees_f, radians_f): Ditto.

2016-10-11  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	* simplify.c (radians_f): Fix mpfr_mod.
	* ireolce.c (get_degrees): Declare tmp.

2016-10-11  Fritz Reese  <fritzoreese@gmail.com>

	* lang.opt: New flag -fdec-math.
	* options.c (set_dec_flags): Enable with -fdec.
	* invoke.texi, gfortran.texi, intrinsic.texi: Update documentation.
	* intrinsics.c (add_functions, do_simplify): New intrinsics
	with -fdec-math.
	* gfortran.h (gfc_isym_id): New isym GFC_ISYM_COTAN.
	* gfortran.h (gfc_resolve_atan2d, gfc_resolve_cotan,
	gfc_resolve_trigd, gfc_resolve_atrigd): New prototypes.
	* iresolve.c (resolve_trig_call, get_degrees, get_radians,
	is_trig_resolved, gfc_resolve_cotan, gfc_resolve_trigd,
	gfc_resolve_atrigd, gfc_resolve_atan2d): New functions.
	* intrinsics.h (gfc_simplify_atan2d, gfc_simplify_atrigd,
	gfc_simplify_cotan, gfc_simplify_trigd): New prototypes.
	* simplify.c (simplify_trig_call, degrees_f, radians_f,
	gfc_simplify_cotan, gfc_simplify_trigd, gfc_simplify_atrigd,
	gfc_simplify_atan2d): New functions.

2016-10-10  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/77915
	* frontend-passes.c (inline_matmul_assign):  Return early if
	inside a FORALL statement.

2016-10-07  Fritz Reese  <fritzoreese@gmail.com>

	* interface.c (compare_components): Check charlen for BT_CHAR.

2016-10-07  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77406
	* interface.c (gfc_compare_interfaces): Fix detection of ambiguous
	interface involving alternate return.
	(check_interface1): Improve error message and loci.

2016-10-06  Louis Krupp  <louis.krupp@zoho.com>

	PR fortran/69955
	* trans-array.c (gfc_conv_expr_descriptor): Don't allocate
	components if it's not necessary.

2016-10-05  Louis Krupp  <louis.krupp@zoho.com>

	PR fortran/57910
	* trans-expr.c (gfc_add_interface_mapping): Don't try to
	dereference call-by-value scalar argument.

2016-10-05  Steven G. Kargl  <kargls@gcc.gnu.org>

	PR fortran/58991
	PR fortran/58992
	* resolve.c (resolve_assoc_var):  Fix CHARACTER type-spec for a
	selector in ASSOCIATE.
	(resolve_fl_variable): Skip checks for an ASSOCIATE variable.

2016-10-05  Fritz Reese  <fritzoreese@gmail.com>

	* interface.c (gfc_compare_types): Don't compare BT_UNION components
	until we know they're both UNIONs.
	* interface.c (gfc_compare_union_types): Guard against empty
	components.

2016-10-05  Louis Krupp  <louis.krupp@zoho.com>

	PR fortran/67524
	* resolve.c (resolve_symbol): Don't apply default type rules to
	mixed-entry master created for function entry points.

2016-09-30  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/66643
	* io.c (match_dt_unit): Peek check for missing format.

2016-09-30  Fritz Reese  <fritzoreese@gmail.com>

	PR fortran/77764
	* interface.c (gfc_compare_union_types): Null-guard map components.

2016-09-30  Fritz Reese  <fritzoreese@gmail.com>

	PR fortran/77782
	* interface.c (gfc_compare_derived_types): Use gfc_compare_union_types
	to compare union types.

2016-09-30  Andre Vehreschild  <vehre@gcc.gnu.org>

	* trans-array.c (gfc_array_allocate): Use the token from coarray's
	.token member.
	* trans-intrinsic.c (conv_expr_ref_to_caf_ref): Only generate
	caf-reference chains from the first coarray references on.
	* trans-types.c (gfc_get_derived_type): Switch on mandatory .token
	member generation for allocatable arrays in coarrays in derived types.

2016-09-29  James Greenhalgh  <james.greenhalgh@arm.com>

	* options.c (gfc_post_options): Remove special case for
	TARGET_FLT_EVAL_METHOD_NON_DEFAULT with -fexcess-precision=standard.

2016-09-27  Jakub Jelinek  <jakub@redhat.com>

	* dependency.c (gfc_dep_compare_expr): Remove break after return.
	* frontend-passes.c (optimize_op): Likewise.
	* interface.c (gfc_current_interface_head): Likewise.
	* symbol.c (check_conflict): Likewise.
	* trans-intrinsic.c (build_fix_expr): Likewise.

	PR fortran/77666
	* trans-openmp.c (gfc_omp_private_outer_ref): Return true even for
	references to allocatable arrays.

2016-09-26  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77420
	* trans-common.c:  Handle array elements in equivalence when
	the lower and upper bounds of array spec are NULL.

2016-09-26  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/48298
	* interface.c (gfc_find_specific_dtio_proc) : Return NULL if
	the derived type is broken, as indicated by a flavor other than
	FL_DERIVED.

2016-09-26  Marek Polacek  <polacek@redhat.com>

	PR c/7652
	* arith.c (eval_intrinsic): Add gcc_fallthrough.
	* frontend-passes.c (optimize_op): Likewise.
	(gfc_expr_walker): Likewise.
	* parse.c (next_fixed): Likewise.
	* primary.c (match_variable): Likewise.
	* trans-array.c: Likewise.
	* trans-expr.c (flatten_array_ctors_without_strlen): Likewise.
	* trans-io.c (transfer_expr): Likewise.

2016-09-25  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77429
	* dependency.c (gfc_check_dependency):  Convert gcc_assert() to
	a conditional and possible call to  gfc_internal_error().

2016-09-25  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77694
	* frontend-passes.c (optimize_binop_array_assignment): Check pointer
	for NULL.

2016-09-23  Fritz Reese  <fritzoreese@gmail.com>

	* lang.opt, invoke.texi, gfortran.texi: New flag -fdec-static.
	* options.c (set_dec_flags): Set -fdec-static with -fdec.
	* gfortran.h (symbol_attribute): New attribute automatic.
	* gfortran.h (gfc_add_automatic): New prototype.
	* match.h (gfc_match_automatic, gfc_match_static): New functions.
	* decl.c (gfc_match_automatic, gfc_match_static): Ditto.
	* symbol.c (gfc_add_automatic): Ditto.
	* decl.c (match_attr_spec): Match AUTOMATIC and STATIC decls.
	* parse.c (decode_specification_statement, decode_statement): Ditto.
	* resolve.c (apply_default_init_local, resolve_fl_variable_derived,
	resolve_symbol): Support for automatic attribute.
	* symbol.c (check_conflict, gfc_copy_attr, gfc_is_var_automatic):
	Ditto.
	* trans-decl.c (gfc_finish_var_decl): Ditto.

2016-09-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/48298
	* gfortran.h (gfc_dt): Add *udtio.
	* ioparm.def: Add bit IOPARM_dt_f2003 to align with library use of bit
	25. Add IOPARM_dt_dtio bit to common flags.
	* resolve.c (resolve_transfer): Set dt->udtio to expression.
	* io.c (gfc_match_inquire): Adjust error message for internal
	unit KIND.
	* libgfortran.h: Adjust defines for GFC_INTERNAL_UNIT4,
	GFC_INTERNAL_UNIT, and GFC_INVALID_UNIT.
	* trans-io.c (build_dt): Set common_unit to reflect the KIND of
	the internal unit. Set mask bit for presence of dt->udtio.

2016-09-22  Andre Vehreschild  <vehre@gcc.gnu.org>

	* trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Use the old caf-
	interface where possible.

2016-09-22  Paul Thomas  <pault@gcc.gnu.org>

	* interface.c (check_dtio_interface1): Introduce errors for
	alternate returns and incorrect numbers of arguments.
	(gfc_find_specific_dtio_proc): Return cleanly if the derived
	type either doesn't exist or has no namespace.

2016-09-21  Louis Krupp  <louis.krupp@zoho.com>

	PR fortran/66107
	* decl.c (add_init_expr_to_sym): Catch variable character length
	in parameter array.

2016-09-21  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/77657

	* interface.c (gfc_find_specific_dtio_proc): Borrow trick from
	resolve_typebound_generic_call to find dtio procedures that
	over-ride those in the declared type.

2016-09-20  Marek Polacek  <polacek@redhat.com>

	* trans-intrinsic.c (conv_expr_ref_to_caf_ref): Adjust fall through
	comment.

2016-09-19  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/71952
	* expr.c (gfc_check_assign): Added flag to control whether datatype
	conversion is allowed.
	* gfortran.h: Added caf-token-tree to gfc_component.  Changed
	prototypes mostly to add whether datatype conversion is allowed.
	* gfortran.texi: Added documentation for the caf_reference_t and the
	caf_*_by_ref function.
	* primary.c (caf_variable_attr): Similar to gfc_variable_attr but
	focused on the needs of coarrays.
	(gfc_caf_attr): Same.
	* resolve.c (resolve_ordinary_assign): Set the conversion allowed
	flag when not in a coarray.
	* trans-array.c (gfc_array_init_size): Moved setting of array
	descriptor's datatype before the alloc, because caf_register needs it.
	(gfc_array_allocate): Changed notion of whether an array is a coarray.
	(gfc_array_deallocate): Same.
	(gfc_alloc_allocatable_for_assignment): Added setting of coarray's
	array descriptor datatype before the register.  And using deregister/
	register to mimmick a realloc for coarrays.
	* trans-decl.c (gfc_build_builtin_function_decls): Corrected signatures
	of old caf-functions and added signature definitions of the _by_ref
	ones.
	(generate_coarray_sym_init): Adapted to new caf_register signature.
	* trans-expr.c (gfc_conv_scalar_to_descriptor): Make sure a constant
	is translated to an lvalue expression before use in an array
	descriptor.
	(gfc_get_ultimate_alloc_ptr_comps_caf_token): New function.  Get the
	last allocatable component's coarray token.
	(gfc_get_tree_for_caf_expr): For top-level object get the coarray
	token and check for unsupported features.
	(gfc_get_caf_token_offset): Getting the offset might procude new
	statements, which now are stored in the pre and post of the current se.
	(gfc_caf_get_image_index): For this image return a call to
	caf_this_image.
	(expr_may_alias_variables): Check that the result is set for testing
	its properties.
	(alloc_scalar_allocatable_for_assignment): Added auto allocation of
	coarray components.
	(gfc_trans_assignment_1): Rewrite an assign to a coarray object to
	be a sendget.
	* trans-intrinsic.c (conv_caf_vector_subscript_elem): Corrected
	wrong comment.
	(compute_component_offset): Compute the correct offset a structure
	member.
	(conv_expr_ref_to_caf_ref): Convert to a chain of refs into
	caf_references.
	(gfc_conv_intrinsic_caf_get): Call caf_get_by_ref instead of caf_get.
	(conv_caf_send): Call caf_*_by_ref for coarrays that need
	reallocation.
	(gfc_conv_intrinsic_function): Adapted to new signuature of the caf
	drivers.
	(conv_intrinsic_atomic_op): Add pre and post statements correctly.
	(conv_intrinsic_atomic_ref): Same.
	(conv_intrinsic_atomic_cas): Same.
	(conv_intrinsic_event_query): Same.
	* trans-stmt.c (gfc_trans_lock_unlock): Same.
	(gfc_trans_event_post_wait): Same.
	(gfc_trans_allocate): Support allocation of allocatable coarrays.
	(gfc_trans_deallocate): And there deallocation.
	* trans-types.c (gfc_typenode_for_spec): Added flag to control whether
	a component is part of coarray.  When so, then add space to store a
	coarray token.
	(gfc_build_array_type): Same.
	(gfc_get_array_descriptor_base): Same.
	(gfc_get_array_type_bounds): Same.
	(gfc_sym_type): Same.
	(gfc_get_derived_type): Same.
	(gfc_get_caf_reference_type): Declare the caf_reference_type.
	* trans-types.h: Prototype changes only.
	* trans.c (gfc_allocate_using_lib): Use the updated caf_register
	signature.
	(gfc_allocate_allocatable): Same.
	(gfc_deallocate_with_status): Same.
	* trans.h: Defined the runtime types for caf_reference_t and the enums.

2016-09-19  Fritz Reese  <fritzoreese@gmail.com>

	PR fortran/77584
	* decl.c (match_record_decl, gfc_match_decl_type_spec): Fixes to
	handling of structure/record from declaration-type-spec.

2016_09_17  Louis Krupp  <louis.krupp@zoho.com>

	PR fortran/68078
	* resolve.c (resolve_allocate_expr): Check that derived type
	pointer, object or array has been successfully allocated before
	initializing.

2016-09-16  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77612
	* decl.c (char_len_param_value): Check parent namespace for
	seen_implicit_none.

2016-09-15  Louis Krupp  <louis.krupp@zoho.com>

	PR fortran/69963
	* parse.c (reject_statement): Clear charlen pointers in implicit
	character typespecs before those charlen structures are freed.

2016-09-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	* simplify.c (gfc_simplify_repeat): Fix a misplaced closing ')'.

2016-09-13  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77420
	* module.c (load_equiv):  Revert revision 240063.

2016-09-10  Paul Thomas  <pault@gcc.gnu.org>
	    Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77532
	* interface.c (check_dtio_arg_TKR_intent): Return after error.
	(check_dtio_interface1): Remove asserts, test for NULL and return
	if found.

2016-09-09  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77420
	* module.c (load_equiv): If the current namespace has a list of
	equivalence statements, initialize duplicate to false and then
	look for duplicates; otherwise, initialize it to true.

2016-09-09  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77506
	* array.c (gfc_match_array_constructor): CHARACTER(len=*) cannot
	appear in an array constructor.

2016-09-09  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77507
	* intrinsic.c (add_functions):  Use correct keyword.

2016-09-08  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/69514
	* array.c (gfc_match_array_constructor):  If type-spec is present,
	walk the array constructor performing possible conversions for
	numeric types.

2016-09-08  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/77500
	* trans-openmp.c (gfc_trans_omp_atomic): For atomic write or
	swap, don't try to look through GFC_ISYM_CONVERSION.  In other cases,
	check that value.function.isym is non-NULL before dereferencing it.

2016-09-04  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77391
	* resolve.c (deferred_requirements): New function to check F2008:C402.
	(resolve_fl_variable,resolve_fl_parameter): Use it.

2016-09-04  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77460
	* simplify.c (simplify_transformation_to_scalar):  On error, result
	may be NULL, simply return.

2016-08-31  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/77352
	* trans-openmp.c (gfc_trans_omp_parallel_workshare): Always add a
	BIND_EXPR with BLOCK around what gfc_trans_omp_workshare returns.

	PR fortran/77374
	* parse.c (parse_omp_oacc_atomic): Copy over cp->ext.omp_atomic
	to cp->block->ext.omp_atomic.
	* resolve.c (gfc_resolve_blocks): Assert block with one or two
	EXEC_ASSIGNs for EXEC_*_ATOMIC.
	* openmp.c (resolve_omp_atomic): Don't assert one or two
	EXEC_ASSIGNs, instead return quietly for EXEC_NOPs and otherwise
	error unexpected statements.

2016-08-31  Paul Thomas  <pault@gcc.gnu.org>
	    Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/48298
	* decl.c (access_attr_decl): Include case INTERFACE_DTIO as
	appropriate.
	* gfortran.h : Add INTRINSIC_FORMATTED and
	INTRINSIC_UNFORMATTED to gfc_intrinsic_op. Add INTERFACE_DTIO
	to interface type. Add new enum 'dtio_codes'. Add bitfield
	'has_dtio_procs' to symbol_attr. Add prototypes
	'gfc_check_dtio_interfaces' and 'gfc_find_specific_dtio_proc'.
	* interface.c (dtio_op): New function.
	(gfc_match_generic_spec): Match generic DTIO interfaces.
	(gfc_match_interface): Treat DTIO interfaces in the same way as
	(gfc_current_interface_head): Add INTERFACE_DTIO appropriately.
	(check_dtio_arg_TKR_intent): New function.
	(check_dtio_interface1): New function.
	(gfc_check_dtio_interfaces): New function.
	(gfc_find_specific_dtio_proc): New function.
	* io.c : Add FMT_DT to format_token.
	(format_lex): Handle DTIO formatting.
	* match.c (gfc_op2string): Add DTIO operators.
	* resolve.c (derived_inaccessible): Ignore pointer components
	to enclosing derived type.
	(resolve_transfer): Resolve transfers that involve DTIO.
	procedures. Find the specific subroutine for the transfer and
	use its existence to over-ride some of the constraints on
	derived types. If the transfer is recursive, require that the
	subroutine be so qualified.
	(dtio_procs_present): New function.
	(resolve_fl_namelist): Remove inhibition of polymorphic objects
	in namelists if DTIO read and write subroutines exist. Likewise
	for derived types.
	(resolve_types): Invoke 'gfc_verify_dtio_procedures'.
	* symbol.c : Set 'dtio_procs' using 'minit'.
	* trans-decl.c (gfc_finish_var_decl): If a derived-type/class
	object is associated with DTIO procedures, make it TREE_STATIC.
	* trans-expr.c (gfc_get_vptr_from_expr): If the expression
	drills down to a PARM_DECL, extract the vptr correctly.
	(gfc_conv_derived_to_class): Check 'info' in the test for
	'useflags'. If the se expression exists and is a pointer, use
	it as the class _data.
	* trans-io.c : Add IOCALL_X_DERIVED to iocall and the function
	prototype. Likewise for IOCALL_SET_NML_DTIO_VAL.
	(set_parameter_tree): Renamed from 'set_parameter_const', now
	returns void and has new tree argument. Calls modified to match
	new interface.
	(transfer_namelist_element): Transfer DTIO procedure pointer
	and vpointer using the new function IOCALL_SET_NML_DTIO_VAL.
	(get_dtio_proc): New function.
	(transfer_expr): Add new argument for the vptr field of class
	objects. Add the code to call the specific DTIO proc, convert
	derived types to class and call IOCALL_X_DERIVED.
	(trans_transfer): Add BT_CLASS to structures for treatment by
	the scalarizer. Obtain the vptr for the dynamic type, both for
	scalar and array transfer.

2016-08-30  Fritz Reese  <fritzoreese@gmail.com>

	* gfortran.texi: Fix typo in STRUCTURE documentation.

2016-08-29  Fritz Reese  <fritzoreese@gmail.com>

	Fix, reorganize, and clarify comparisons of anonymous types/components.

	PR fortran/77327
	* interface.c (is_anonymous_component, is_anonymous_dt): New functions.
	* interface.c (compare_components, gfc_compare_derived_types): Use new
	functions.

2016-08-27  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77380
	* dependency.c (gfc_check_dependency): Do not assert with
	-fcoarray=lib.

2016-08-27  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77372
	simplify.c (simplify_ieee_selected_real_kind): Check for NULL pointers.

2016-08-25  Steven g. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77351
	* frontend-passes.c (remove_trim,combine_array_constructor): Check for
	NULL pointer.

2016-08-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/77358
	* resolve.c (resolve_fl_procedure): Use the correct gfc_charlen
	for deferred character length module procedures.

2016-08-23  Fritz Reese  <fritzoreese@gmail.com>

	* decl.c (gfc_match_structure_decl): Make gfc_structure_id static.

2016-08-23  Fritz Reese  <fritzoreese@gmail.com>

	* interface.c (compare_components): Fix typo in name check conditional.

2016-08-22  Steven G. Kargl  <kargl@gcc.gnu.org>
	    Bud Davis  <jmdavis@link.com>

	PR fortran/60774
	* parse.c (next_free,next_fixed): Issue error for statement label
	without a statement.

2016-08-22  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/61318
	* interface.c (compare_parameter): Use better locus for error message.

2016-08-22  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77260
	* gcc/fortran/trans-decl.c (generate_local_decl): Suppress warning
	for unused variable if symbol is entry point.

2016-08-19  Joseph Myers  <joseph@codesourcery.com>

	PR c/32187
	* trans-types.h (float128_type_node): Rename to
	gfc_float128_type_node.
	(complex_float128_type_node): Rename to
	gfc_complex_float128_type_node.
	* iso-c-binding.def, trans-intrinsic.c, trans-types.c: All users
	changed.

2016-08-19  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/71014
	* resolve.c (gfc_resolve): For ns->construct_entities don't save, clear
	and restore omp state around the resolving.

	PR fortran/69281
	* trans-openmp.c (gfc_trans_omp_parallel, gfc_trans_omp_task,
	gfc_trans_omp_target): Wrap gfc_trans_omp_code result in an extra
	BIND_EXPR with its own forced BLOCK.

2016-08-19  Janne Blomqvist  <jb@gcc.gnu.org>

        * intrinsics.texi (RANDOM_NUMBER): Remove reference to
        init_random_seed in example.
        (RANDOM_SEED): Remove warning to not set all seed values to 0.

2016-08-18  David Malcolm  <dmalcolm@redhat.com>

	* error.c (gfc_diagnostic_starter): Update for change to
	diagnostic_show_locus.

2016-08-17  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/67496
	* trans-array.c (trans_array_constructor): Load
	expr->ts.u.cl->length_from_typespec only if expr->ts.type is
	BT_CHARACTER.

2016-08-15  Fritz Reese  <fritzoreese@gmail.com>

	* lang.opt, invoke.texi: New flag -finit-derived.
	* gfortran.h (gfc_build_default_init_expr, gfc_apply_init,
	gfc_generate_initializer): New prototypes.
	* expr.c (gfc_build_default_init_expr, gfc_apply_init,
	component_initializer, gfc_generate_initializer): New functions.
	* expr.c (gfc_default_initializer): Wrap gfc_generate_initializer.
	* decl.c (build_struct): Move common code to gfc_apply_init.
	* resolve.c (can_generate_init): New function.
	* resolve.c (build_default_init_expr): Wrap gfc_build_default_init_expr.
	* resolve.c (apply_default_init, resolve_fl_variable_derived): Use
	gfc_generate_initializer.
	* trans-decl.c (gfc_generate_function_code): Use
	gfc_generate_initializer.

2016-08-15  Thomas Koenig  <tkoenig@gcc.gnu.org>

	* frontend-passes.c (create_var):  Set ts.deferred for
	deferred-length character variables.
	* dump-parse-tree.c (show_typespec):  Also dump
	is_c_interop, is_iso_c and deferred flags.

2016-08-15  Jakub Jelinek  <jakub@redhat.com>

	PR debug/71906
	* trans-decl.c (gfc_get_symbol_decl): Call gfc_finish_var_decl
	for decl's character length before gfc_finish_var_decl on the
	decl itself.

2016-08-14  Chung-Lin Tang  <cltang@codesourcery.com>

	PR fortran/70598
	* openmp.c (resolve_omp_clauses): Adjust use_device clause
	handling to only allow pointers and arrays.

2016-08-12  Marek Polacek  <polacek@redhat.com>

	PR c/7652
	* decl.c (match_attr_spec): Add FALLTHRU.
	* primary.c (match_arg_list_function): Likewise.
	* resolve.c (resolve_operator): Adjust fall through comment.
	(fixup_charlen): Add FALLTHRU.
	(resolve_allocate_expr): Adjust fall through comment.
	* trans-array.c (gfc_conv_ss_startstride): Add FALLTHRU.
	* trans-intrinsic.c (gfc_conv_intrinsic_len): Adjust fall through
	comment.

2016-08-11  Janne Blomqvist  <jb@gcc.gnu.org>

	* check.c (gfc_check_random_seed): Use new seed size in check.
	* intrinsic.texi (RANDOM_NUMBER): Updated documentation.
	(RANDOM_SEED): Likewise.

2016-08-08  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/72716
	* openmp.c (gfc_match_omp_declare_simd): Don't stick anything into
	BLOCK DATA ns, it will be rejected later.

2016-08-08  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/71936
	* trans-array.c (gfc_array_allocate): When SOURCE= is a function
	stick with the ref of the object to allocate.

2016-08-08  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/72698
	* trans-stmt.c (gfc_trans_allocate): Prevent generating code for
	copy of zero sized string and with it an ICE.

2016-08-08  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/70524
	* trans-array.c (gfc_trans_dummy_array_bias): Ensure that the
	location information is correctly set.
	* trans-decl.c (gfc_trans_deferred_vars): Set the locus of the
	current construct early.

2016-08-03  Fritz Reese  <fritzoreese@gmail.com>

	* lang.opt: New option -fdec-intrinsic-ints.
	* options.c (set_dec_flags): Enable with -fdec.
	* gfortran.texi, invoke.texi, intrinsics.texi: Update documentation.
	* intrinsic.c (add_function, add_subroutine): New B/I/J/K intrinsic
	variants.

2016-07-30  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/41922
	* target-memory.c (expr_to_char): Pass in locus and use it in error
	messages.
	(gfc_merge_initializers): Ditto.
	* target-memory.h: Update prototype for gfc_merge_initializers ().
	* trans-common.c (get_init_field): Use the correct locus.

2016-07-30  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/68566
	* check.c (gfc_check_reshape): Check for constant expression.

2016-07-30  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/69867
	* decl.c (build_struct): Ensure that pointers point to something.

2016-07-30  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/69962
	* decl.c (gfc_set_constant_character_len):  if expr is not
	constant issue an error instead of an ICE.

2016-07-30  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/70006
	* io.c (gfc_resolve_dt): Use correct locus.
	* resolve.c (resolve_branch): Ditto.

2016-07-30  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/71730
	* decl.c (char_len_param_value): Check return value of
	gfc_reduce_init_expr().

2016-07-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>

	* trans-array.c (gfc_conv_array_ref): Fix allocation of diagnostic
	message (was too small).

2016-07-28  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/71067
	* decl.c (match_data_constant): On error, set 'result' to NULL.

2016-07-28  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/71799
	* resolve.c(gfc_resolve_iterator): Failure of type conversion need
	not ICE.

2016-07-28  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/71859
	* check.c(numeric_check): Prevent ICE.  Issue error for invalid
	subroutine as an actual argument when numeric argument is expected.

2016-07-28  Steven G. Kargl  <kargl@gcc.gnu.org>
	    Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/71883
	* frontend-passes.c (gfc_run_passes): Bail out if there are any
	errors.
	* error.c (gfc_internal_error): If there are any errors in the
	buffer, exit with EXIT_FAILURE.

2016-07-28  Renlin Li  <renlin.li@arm.com>

	Revert
	2016-07-19  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/71902
	* dependency.c (gfc_check_dependency): Use dep_ref.  Handle case
	if identical is true and two array element references differ.
	(gfc_dep_resovler):  Move most of the code to dep_ref.
	(dep_ref):  New function.
	* frontend-passes.c (realloc_string_callback):  Name temporary
	variable "realloc_string".

2016-07-26  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/71862
	* class.c: Remove assert.  Iterate over component only if non-null.

2016-07-22  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/71935
	* check.c (is_c_interoperable): Simplify right expression.

2016-07-22  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/71795
	* frontend-passes.c (combine_array_constructor):  Don't
	do anything if the expression is inside an array iterator.

2016-07-22  Andre Vehreschild  <vehre@gcc.gnu.org>

	* expr.c (gfc_find_stat_co): Fixed whitespaces.
	* gfortran.texi: Fixed typos and reversed meaning of caf_get()'s
	src and dst description.
	* trans-decl.c (gfc_build_builtin_function_decls): Fixed style
	and corrected fnspec for caf functions.
	* trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Fixed style.
	(conv_caf_send): Dito.

2016-07-19  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/71902
	* dependency.c (gfc_check_dependency): Use dep_ref.  Handle case
	if identical is true and two array element references differ.
	(gfc_dep_resovler):  Move most of the code to dep_ref.
	(dep_ref):  New function.
	* frontend-passes.c (realloc_string_callback):  Name temporary
	variable "realloc_string".

2016-07-17  Fritz Reese  <fritzoreese@gmail.com>

	PR fortran/71523
	* trans-decl.c (gfc_finish_var_decl): Replace automatic initializer with
	a static one.

2016-07-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
	    Marco Restelli  <mrestelli@gmail.com>

	PR fortran/62125
	* symbol.c (select_type_insert_tmp): Recursively call self to take care
	of nested select type.

2016-07-15  Cesar Philippidis  <cesar@codesourcery.com>

	* openmp.c (gfc_match_omp_clauses): Scan for clause vector_length
	before vector.

2016-07-15  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/71807
	* trans-expr.c (gfc_trans_subcomponent_assign): Special casing
	when allocatable component is set to null() in initializer.

2016-07-14  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/29819
	* parse.c (parse_contained): Use proper locus.

2016-07-14  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/70842
	* simplify.c (gfc_simplify_len): Only for unlimited polymorphic
	types replace the expression's _data ref with a _len ref.

2016-07-09  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/71783
	* frontend-passes.c (create_var):  Always allocate a charlen
	for character variables.

2016-07-08  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/68426
	* simplify (gfc_simplify_spread): Adjust locus.

2016-07-08  Cesar Philippidis  <cesar@codesourcery.com>

	* parse.c (matcha): Define.
	(decode_oacc_directive): Add spec_only local var and set it.  Use
	matcha to parse acc directives except for routine and declare.  Return
	ST_GET_FCN_CHARACTERISTICS if a non-declarative directive could be
	matched.

2016-07-08  Martin Liska  <mliska@suse.cz>

	* invoke.texi (Wundefined-do-loop): Enhance documentation.

2016-07-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/71764
	* trans-expr.c (gfc_trans_structure_assign): Remove assert.

2016-07-07  Martin Liska  <mliska@suse.cz>

	* lang.opt (Wundefined-do-loop): New option.
        * resolve.c (gfc_resolve_iterator): Warn for Wundefined-do-loop.
	(gfc_trans_simple_do): Generate a c-style loop.
	(gfc_trans_do): Fix GNU coding style.
	* invoke.texi: Mention the new warning.

2016-07-07  Martin Liska  <mliska@suse.cz>

	* trans-stmt.c (gfc_trans_do): Add expect builtin for DO
	loops with step bigger than +-1.

2016-07-05  Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>

	* array.c (gfc_match_array_ref): Add parsing support for
	STAT= attribute in CAF reference.
	* expr.c (gfc_find_stat_co): New function that returns
	the STAT= assignment.
	* gfortran.h (gfc_array_ref): New member.
	* trans-decl.c (gfc_build_builtin_function_decls):
	new attribute for caf_get and caf_send functions.
	* trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Passing
	the stat attribute to external function.
	(gfc_conv_intrinsic_caf_send): Ditto.

2016-07-05  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/71623
	* trans-stmt.c (gfc_trans_allocate): Add code of pre block of typespec
	in allocate to parent block.

2016-07-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/66575
	* decl.c (match_procedure_interface): Exit loop if procedure
	interface refers to itself.

2016-07-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
	    Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/35849
	* simplify.c (gfc_simplify_ishftc): Check that absolute value of
	SHIFT is less than or equal to SIZE.

2016-07-01  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/71687
	* f95-lang.c (struct binding_level): Add reversed field.
	(clear_binding_level): Adjust initializer.
	(getdecls): If reversed is clear, set it and nreverse the names
	chain before returning it.
	(poplevel): Use getdecls.
	* trans-decl.c (gfc_generate_function_code, gfc_process_block_locals):
	Use nreverse to pushdecl decls in the declaration order.

	PR fortran/71717
	* trans-openmp.c (gfc_omp_privatize_by_reference): Return false
	for GFC_DECL_ASSOCIATE_VAR_P with POINTER_TYPE.

2016-06-30  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/71704
	* parse.c (matchs, matcho): Move right before decode_omp_directive.
	If spec_only, only gfc_match the keyword and if successful, goto
	do_spec_only.
	(matchds, matchdo): Define.
	(decode_omp_directive): Add spec_only local var and set it.
	Use matchds or matchdo macros instead of matchs or matcho
	for declare target, declare simd, declare reduction and threadprivate
	directives.  Return ST_GET_FCN_CHARACTERISTICS if a non-declarative
	directive could be matched.
	(next_statement): For ST_GET_FCN_CHARACTERISTICS restore
	gfc_current_locus from old_locus even if there is no label.

	PR fortran/71705
	* trans-openmp.c (gfc_trans_omp_clauses): Set TREE_ADDRESSABLE on
	decls in to/from clauses.

2016-06-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/71686
	* scanner.c (gfc_next_char_literal): Only decrement nextc if it
	is not NULL.

2016-06-29  Cesar Philippidis  <cesar@codesourcery.com>

	* openmp.c (match_oacc_clause_gang): Rename to ...
	(match_oacc_clause_gwv): this.  Add support for OpenACC worker and
	vector clauses.
	(gfc_match_omp_clauses): Use match_oacc_clause_gwv for
	OMP_CLAUSE_{GANG,WORKER,VECTOR}.  Propagate any MATCH_ERRORs for
	invalid OMP_CLAUSE_{ASYNC,WAIT,GANG,WORKER,VECTOR} clauses.
	(gfc_match_oacc_wait): Propagate MATCH_ERROR for invalid
	oacc_expr_lists.  Adjust the first and needs_space arguments to
	gfc_match_omp_clauses.

2016-06-29  Richard Biener  <rguenther@suse.de>

	PR middle-end/71002
	* f95-lang.c (LANG_HOOKS_GET_ALIAS_SET): Remove (un-)define.
	(gfc_get_alias_set): Remove.

2016-06-25  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/71649
	* module.c (create_intrinsic_function): Check for NULL values and
	return after giving error.

2016-06-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* trans-types.c (gfc_build_complex_type): Move setting complex
	MODE to layout_type, instead of setting it ahead of time by the
	caller.

2016-06-21  Tobias Burnus  <burnus@net-b.de>

	PR fortran/71068
	* resolve.c (resolve_function): Don't resolve caf_get/caf_send.
	(check_data_variable): Strip-off caf_get before checking.

2016-06-20  Tobias Burnus  <burnus@net-b.de>

	PR fortran/71194
	* trans-expr.c (gfc_trans_pointer_assignment): Correctly handle
	RHS pointer functions.

2016-06-19  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* class.c (gfc_add_class_array_ref): Call gfc_add_data_component()
	instead of gfc_add_component_ref().
	(gfc_get_len_component): Call gfc_add_len_component() instead of
	gfc_add_component_ref().
	* trans-intrinsic.c (gfc_conv_intrinsic_loc): Call
	gfc_add_data_component() instead of gfc_add_component_ref().
	* trans.c (gfc_add_finalizer_call): Call
	gfc_add_final_component() and gfc_add_size_component() instead
	of gfc_add_component_ref.

2016-06-18  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* trans-types.c (gfc_typenode_for_spec): Commentary typo fix.

2016-06-17  Cesar Philippidis  <cesar@codesourcery.com>

	* openmp.c (match_acc): New generic function to parse OpenACC
	directives.
	(gfc_match_oacc_parallel_loop): Use it.
	(gfc_match_oacc_parallel): Likewise.
	(gfc_match_oacc_kernels_loop): Likewise.
	(gfc_match_oacc_kernels): Likewise.
	(gfc_match_oacc_data): Likewise.
	(gfc_match_oacc_host_data): Likewise.
	(gfc_match_oacc_loop): Likewise.
	(gfc_match_oacc_enter_data): Likewise.
	(gfc_match_oacc_exit_data): Likewise.

2016-06-16  Martin Liska  <mliska@suse.cz>

	* trans-stmt.c (gfc_trans_simple_do): Predict the edge.

2016-06-16  Martin Liska  <mliska@suse.cz>

	* trans-array.c (gfc_array_allocate): Do not generate expect
	stmt.
	* trans.c (gfc_allocate_using_malloc): Properly set FAIL_ALLOC
	predictor for malloc return value.
	(gfc_allocate_allocatable): Use REALLOC predictor instead of
	FAIL_ALLOC.
	(gfc_deallocate_with_status): Likewise.

2016-06-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/70673
	* frontend-passes.c (realloc_string_callback): Add a call to
	gfc_dep_compare_expr.

2016-06-11  Dominique d'Humieres  <dominiq@lps.ens.fr>

	PR fortran/60751
	* io.c (gfc_resolve_dt): Replace GFC_STD_GNU with GFC_STD_LEGACY.

2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>

	PR c/71381
	* openmp.c (gfc_match_oacc_cache): Add comment.

2016-06-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/71404
	* io.c (match_io): For READ, commit in pending symbols in the
	current statement before trying to match an expression so that
	if the match fails and we undo symbols we dont toss good symbols.

2016-06-05  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/69659
	* trans-array.c (gfc_trans_dummy_array_bias): For class arrays use
	the address of the _data component to reference the arrays data
	component.

2016-06-03  Chung-Lin Tang  <cltang@codesourcery.com>

	* trans-openmp.c (gfc_trans_omp_reduction_list): Add mark_addressable
	bool parameter, set reduction clause DECLs as addressable when true.
	(gfc_trans_omp_clauses): Pass clauses->async to
	gfc_trans_omp_reduction_list, add comment describing OpenACC situation.

2016-06-01  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/52393
	* io.c (match_io): For READ, try to match a default character
	expression. If found, set the dt format expression to this,
	otherwise go back and try control list.

2016-06-01  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/71156
	* decl.c (copy_prefix): Add checks that the module procedure
	declaration prefixes are compliant with the interface. Invert
	order of existing elemental and pure checks.
	* resolve.c (resolve_fl_procedure): Invert order of elemental
	and pure errors.

2016-06-01  Jakub Jelinek  <jakub@redhat.com>

	* parse.c (case_decl): Move ST_OMP_* to ...
	(case_omp_decl): ... here, new macro.
	(verify_st_order): For case_omp_decl, complain about
	p->state >= ORDER_EXEC, but don't change p->state otherwise.

2016-05-26  Jakub Jelinek  <jakub@redhat.com>

	* openmp.c (resolve_omp_clauses): Warn if chunk_size is known not to
	be positive.

2016-05-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/66461
	* scanner.c (gfc_next_char_literal): Clear end_flag when adjusting
	current locus back to old_locus.

2016-05-20  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/71204
	* frontend-passes.c (realloc_string_callback): Clear inserted_block
	and changed_statement before calling create_var.

2016-05-15  Harald Anlauf  <anlauf@gmx.de>

	PR fortran/69603
	* interface.c (compare_parameter): Check for non-NULL pointer.

2016-05-14  Fritz Reese  <fritzoreese@gmail.com>

	* gfortran.texi: Update example of DEC UNION extension.

2016-05-14  Fritz Reese  <fritzoreese@gmail.com>

	PR fortran/71047
	* expr.c (gfc_default_initializer): Avoid extra component refs in
	constructors for derived types and classes.

2016-05-11  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/70855
	* frontend-passes.c (inline_matmul_assign): Disable in !$omp workshare.

2016-05-09  Richard Biener  <rguenther@suse.de>

	PR fortran/70937
	* trans-decl.c: Include gimplify.h for unshare_expr.
	(gfc_trans_vla_one_sizepos): Unshare exprs before inserting
	them into the IL.

2016-05-07  Fritz Reese  <fritzoreese@gmail.com>

	PR fortran/56226
	* module.c (dt_upper_string): Rename to gfc_dt_upper_string
	(dt_lower_string): Likewise.
	* gfortran.h: Make new gfc_dt_upper/lower_string global.
	* class.c: Use gfc_dt_upper_string.
	* decl.c: Likewise.
	* symbol.c: Likewise.
	* resolve.c (resolve_component): New function.
	(resolve_fl_derived0): Move component loop code to resolve_component.
	* parse.c (check_component): New function.
	(parse_derived): Move loop code to check_component.
	* lang.opt, invoke.texi, options.c : New option -fdec-structure.
	* libgfortran.h (bt): New basic type BT_UNION.
	* gfortran.h (gfc_option): New option -fdec-structure.
	(gfc_get_union_type, gfc_compare_union_types): New prototypes.
	(gfc_bt_struct, gfc_fl_struct, case_bt_struct, case_fl_struct): New
	macros.
	(gfc_find_component): Change prototype.
	* match.h (gfc_match_member_sep, gfc_match_map, gfc_match_union,
	gfc_match_structure_decl): New prototypes.
	* parse.h (gfc_comp_struct): New macro.
	* symbol.c (gfc_find_component): Search for components in nested unions
	* class.c (insert_component_ref, gfc_add_component_ref, add_proc_comp,
	copy_vtab_proc_comps): Update calls to gfc_find_component.
	* primary.c (gfc_convert_to_structure_constructor): Likewise.
	* symbol.c (gfc_add_component): Likewise.
	* resolve.c (resolve_typebound_function, resolve_typebound_subroutine,
	resolve_typebound_procedure, resolve_component, resolve_fl_derived):
	Likewise.
	* expr.c (get_union_init, component_init): New functions.
	* decl.c (match_clist_expr, match_record_decl, get_struct_decl,
	gfc_match_map, gfc_match_union, gfc_match_structure_decl): Likewise.
	* interface.c (compare_components, gfc_compare_union_types): Likewise.
	* match.c (gfc_match_member_sep): Likewise.
	* parse.c (check_component, parse_union, parse_struct_map): Likewise.
	* resolve.c (resolve_fl_struct): Likewise.
	* symbol.c (find_union_component): Likewise.
	* trans-types.c (gfc_get_union_type): Likewise.
	* parse.c (parse_derived): Use new functions.
	* interface.c (gfc_compare_derived_types, gfc_compare_types): Likewise.
	* expr.c (gfc_default_initializer): Likewise.
	* gfortran.texi: Support for DEC structures, unions, and maps.
	* gfortran.h (gfc_statement, sym_flavor): Likewise.
	* check.c (gfc_check_kill_sub): Likewise.
	* expr.c (gfc_copy_expr, simplify_const_ref,
	gfc_has_default_initializer): Likewise.
	* decl.c (build_sym, match_data_constant, add_init_expr_to_sym,
	match_pointer_init, build_struct, variable_decl,
	gfc_match_decl_type_spec, gfc_mach_data-decl, gfc_match_entry,
	gfc_match_end, gfc_match_derived_decl): Likewise.
	* interface.c (check_interface0, check_interface1,
	gfc_search_interface): Likewise.
	* misc.c (gfc_basic_typename, gfc_typename): Likewise.
	* module.c (add_true_name, build_tnt, bt_types, mio_typespec,
	fix_mio_expr, load_needed, mio_symbol, read_module, write_symbol,
	gfc_get_module_backend_decl): Likewise.
	* parse.h (gfc_compile_state): Likewise.
	* parse.c (decode_specification_statement, decode_statement,
	gfc_ascii_statement, verify_st_order, parse_spec): Likewise.
	* primary.c (gfc_match_varspec, gfc_match_structure_constructor,
	gfc_match_rvalue, match_variable): Likewise.
	* resolve.c (find_arglists, resolve_structure_cons,
	is_illegal_recursion, resolve_generic_f, get_declared_from_expr,
	resolve_typebound_subroutine, resolve_allocate_expr,
	nonscalar_typebound_assign, generate_component_assignments,
	resolve_fl_variable_derived, check_defined_assignments,
	resolve_component, resolve_symbol, resolve_equivalence_derived):
	Likewise.
	* symbol.c (flavors, check_conflict, gfc_add_flavor, gfc_use_derived,
	gfc_restore_last_undo_checkpoint, gfc_type_compatible,
	gfc_find_dt_in_generic): Likewise.
	* trans-decl.c (gfc_get_module_backend_decl, create_function_arglist,
	gfc_create_module_variable, check_constant_initializer): Likewise.
	* trans-expr.c (gfc_conv_component_ref, gfc_conv_initializer,
	gfc_trans_alloc_subarray_assign, gfc_trans_subcomponent_assign,
	gfc_conv_structure, gfc_trans_scalar_assign, copyable_array_p):
	Likewise.
	* trans-io.c (transfer_namelist_element, transfer_expr,
	gfc_trans_transfer): Likewise.
	* trans-stmt.c (gfc_trans_deallocate): Likewise.
	* trans-types.c (gfc_typenode_for_spec, gfc_copy_dt_decls_ifequal,
	gfc_get_derived_type): Likewise.

2016-05-05  Jakub Jelinek  <jakub@redhat.com>

	* openmp.c (gfc_match_omp_clauses): Restructuralize, so that clause
	parsing is done in a big switch based on gfc_peek_ascii_char and
	individual clauses under their first letters are sorted too.

2016-05-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* trans-types.c (gfc_build_complex_type):

2016-05-02  Richard Biener  <rguenther@suse.de>

	* trans-array.c (gfc_trans_create_temp_array): Properly
	create a DECL_EXPR for the anonymous VLA array type.

2016-04-29  Cesar Philippidis  <cesar@codesourcery.com>

	PR middle-end/70626
	* trans-openmp.c (gfc_trans_oacc_combined_directive): Duplicate
	the reduction clause in both parallel and loop directives.

2016-04-18  Michael Matz  <matz@suse.de>

	* trans-io.c (gfc_build_io_library_fndecls): Use SET_TYPE_ALIGN.
	* trans-common.c (build_common_decl): Use SET_DECL_ALIGN.
	* trans-types.c (gfc_add_field_to_struct): Use SET_DECL_ALIGN.

2016-04-13  Dominique d'Humieres  <dominiq@lps.ens.fr>

	PR fortran/67039
	* intrinsic.texi: Correct the documentation of pseudorandom
	number intrinsics.

2016-04-13  Dominique d'Humieres  <dominiq@lps.ens.fr>

	PR fortran/58000
	* gfortran.texi: Document OPEN( ... NAME=) as not implemented
	in GNU Fortran

2016-04-09  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/68566
	* array.c (match_array_element_spec): Add check for non-integer.
	* simplify.c (gfc_simplify_reshape): If source shape is NULL return.

2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>

	PR c/70436
	* openmp.c (gfc_find_omp_udr): Add explicit braces to resolve a
	future -Wparentheses warning.

2016-04-04  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/67538
	* resolve.c (resolve_allocate_expr): Emit error message when no
	array spec and no array valued source= expression is given in an
	F2008 allocate() for an array to allocate.

2016-04-04  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/65795
	* trans-array.c (gfc_array_allocate): When the array is a coarray,
	do not nullyfing its allocatable components in array_allocate, because
	the nullify missed the array ref and nullifies the wrong component.
	Cosmetics.

2016-03-29  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/70397
	* trans-expr.c (gfc_class_len_or_zero_get): Add function to return a
	constant zero tree, when the class to get the _len component from is
	not unlimited polymorphic.
	(gfc_copy_class_to_class): Use the new function.
	* trans.h: Added interface of new function gfc_class_len_or_zero_get.

2016-03-28  Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>

	* trans-decl.c (gfc_build_builtin_function_decls):
	caf_stop_numeric and caf_stop_str definition.
	* trans-stmt.c (gfc_trans_stop): invoke external functions
	for stop and stop_str when coarrays are used.
	* trans.h: extern for new functions.

2016-03-19  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/69043
	* scanner.c (load_file): Update to use S_ISREG macro.

2016-03-17  Thomas Schwinge  <thomas@codesourcery.com>

	* gfortran.h (enum gfc_omp_map_op): Rename OMP_MAP_FORCE_DEALLOC
	to OMP_MAP_DELETE.  Adjust all users.

2016-03-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
	    Jim MacArthur  <jim.macarthur@codethink.co.uk>

	PR fortran/69043
	* scanner.c (load_file): Check that included file is regular.

2016-03-12  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
	    Harold Anlauf  <anlauf@gmx.de>

	PR fortran/69520
	* invoke.texi: Explain use of the 'no-' construct within the
	-fcheck= option.
	* options.c (gfc_handle_runtime_check_option): Enable use of
	'no-' prefix for the various options with -fcheck= to allow
	negating previously enabled check options.

2016-03-12  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/70031
	* decl.c (gfc_match_prefix): Treat the 'module' prefix in the
	same way as the others, rather than fixing it to come last.
	(gfc_match_function_decl, gfc_match_subroutine): After errors
	in 'copy_prefix', emit them immediately in the case of module
	procedures to prevent a later ICE.

	PR fortran/69524
	* decl.c (gfc_match_submod_proc): Permit 'module procedure'
	declarations within the contains section of modules as well as
	submodules.
	* resolve.c (resolve_fl_procedure): Likewise.
	*trans-decl.c (build_function_decl): Change the gcc_assert to
	allow all forms of module procedure declarations within module
	contains sections.

2016-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/68147
	PR fortran/47674
	* frontend-passes.c (realloc_string_callback): Don't set
	walk_subtrees.

2016-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>

	* dump-parse-tree.c (show_code_node):  Print association
	list of a block if present.  Handle EXEC_END_BLOCK.

2016-02-28  Harald Anlauf  <anlauf@gmx.de>
	    Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/56007
	* match.c (gfc_match_iterator): Add diagnostic for array variable
	as do loop index.

2016-02-27  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
	    Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/69910
	* io.c (gfc_match_open): Check that open status is an expression
	constant before comparing string to 'scratch' with NEWUNIT.

2016-02-27  Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>

	* trans.c (gfc_allocate_allocatable): size conversion
	from byte to number of elements for event variables.
	* trans-types.c (gfc_get_derived_type): event variables
	represented as a pointer (like lock variable).

2016-02-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/61156
	* scanner.c (add_path_to_list): If include path is not a directory,
	issue a fatal error.

2016-02-23  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/67451
	* trans-array.c (gfc_array_allocate): Take the attributes from the
	expression to allocate and not from the source=-expression.

2016-02-20  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/69423
	* trans-decl.c (create_function_arglist): Deferred character
	length functions, with and without declared results, address
	the passed reference type as '.result' and the local string
	length as '..result'.
	(gfc_null_and_pass_deferred_len): Helper function to null and
	return deferred string lengths, as needed.
	(gfc_trans_deferred_vars): Call it, thereby reducing repeated
	code, add call for deferred arrays and reroute pointer function
	results. Avoid using 'tmp' for anything other that a temporary
	tree by introducing 'type_of_array' for the arrayspec type.

2015-02-16  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/69742
	* frontend-passes.c (cfe-expr_0):  Don't register functions
	from within an ASSOCIATE statement.

2016-02-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/60526
	* decl.c (build_sym):  If the name has already been defined as a
	type, it has a symtree with an upper case letter at the beginning.
	If such a symtree exists, issue an error and exit.  Don't do
	this if there is no corresponding upper case letter.

2016-02-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/60526
	PR bootstrap/69816
	* decl.c (build_sym):  Reverted previous patch.

2016-02-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/60526
	* decl.c (build_sym):  If the name has already been defined as a
	type, issue error and return false.

2016-02-12  David Malcolm  <dmalcolm@redhat.com>

	PR other/69554
	* error.c (gfc_diagnostic_start_span): New function.
	(gfc_diagnostics_init): Initialize global_dc's start_span.

2016-02-11  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/69296
	* gfortran.h: Added flag to gfc_association_list indicating that
	the rank of an associate variable has been guessed only.
	* parse.c (parse_associate): Set the guess flag mentioned above
	when guessing the rank of an expression.
	* resolve.c (resolve_assoc_var): When the rank has been guessed,
	make sure, that the guess was correct else overwrite with the actual
	rank.
	* trans-stmt.c (trans_associate_var): For subref_array_pointers in
	class objects, take the span from the _data component.

2016-02-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/50555
	* primary.c (match_actual_arg): If symbol has attribute flavor of
	namelist, generate an error. (gfc_match_rvalue): Likewise return
	MATCH_ERROR.
	* resolve.c (resolve_symbol): Scan arument list of procedures and
	generate an error if a namelist is found.

2016-02-05  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/66089
	* trans-expr.c (expr_is_variable, gfc_expr_is_variable): Rename
	the former to the latter and make it non-static.  Update callers.
	* gfortran.h (gfc_expr_is_variable): New declaration.
	(struct gfc_ss_info): Add field needs_temporary.
	* trans-array.c (gfc_scalar_elemental_arg_saved_as_argument):
	Tighten the condition on aggregate expressions with a check
	that the expression is a variable and doesn't need a temporary.
	(gfc_conv_resolve_dependency): Add intermediary reference variable.
	Set the needs_temporary field.

2016-02-03  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/67451
	PR fortran/69418
	* trans-expr.c (gfc_copy_class_to_class): For coarrays just the
	pointer is passed.  Take it as is without trying to deref the
	_data component.
	* trans-stmt.c (gfc_trans_allocate): Take care of coarrays as
	argument to source=-expression.

2016-02-02  Nathan Sidwell  <nathan@codesourcery.com>

	* lang.opt (fopenacc-dim=): New option.

2016-01-31  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/67564
	* trans-expr.c (gfc_conv_procedure_call): For the vtable copy
	subroutines, add a string length argument, when the actual
	argument is an unlimited polymorphic class object.

2016-01-30  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/69566
	* trans-expr.c (gfc_conv_procedure_call): Correct expression
	for 'ulim_copy', which was missing a test for 'comp'.

2016-01-28  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/62536
	* decl.c (gfc_match_end): Only unnest and remove BLOCK namespaces
	when the END encountered does not match a BLOCK's end.

2016-01-27  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/69484
	* invoke.texi: Fix documentation of -Wall with respect to -Wtabs.

2016-01-27  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/69422
	* trans-expr.c (is_scalar_reallocatable_lhs): Remove the check
	for allocatable components, whilst checking if the symbol is a
	derived or class entity..

2016-01-26  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/69385
	* trans-expr.c (gfc_trans_assignment_1): Exclude initialization
	assignments from check on assignment of scalars to unassigned
	arrays and correct wrong code within the corresponding block.

2016-01-26  David Malcolm  <dmalcolm@redhat.com>

	PR other/69006
	* error.c (gfc_diagnostic_starter): Delete use of pp_newline.

2016-01-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/69397
	PR fortran/68442
	* interface.c (gfc_arglist_matches_symbol): Replace assert with
	a return false if not a procedure.
	* resolve.c (resolve_generic_f): Test if we are resolving an
	initialization expression and adjust error message accordingly.

2016-01-24  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/66094
	* frontend-passes.c (matmul_lhs_realloc):  Add
	forgotten break statement.

2016-01-24  Dominique d'Humieres  <dominiq@lps.ens.fr>

	PR fortran/68283
	* primary.c (gfc_variable_attr): revert revision r221955,
	call gfc_internal_error only if there is no error.

2016-01-24  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/66094
	* frontend-passes.c (enum matrix_case):  Add case A2B2T for
	MATMUL(A,TRANSPoSE(B)) where A and B are rank 2.
	(inline_limit_check):  Also add A2B2T.
	(matmul_lhs_realloc):  Handle A2B2T.
	(check_conjg_variable):  Rename to
	(check_conjg_transpose_variable):  and also count TRANSPOSE.
	(inline_matmul_assign):  Handle A2B2T.

2016-01-21  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/65996
	* error.c (gfc_error): Save the state of abort_on_error and set
	it to false for buffered errors to allow normal processing.
	Restore the state before leaving.

2016-01-19  Martin Jambor  <mjambor@suse.cz>

	* types.def (BT_FN_VOID_UINT_PTR_INT_PTR): New.
	(BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_INT_INT): Removed.
	(BT_FN_VOID_INT_OMPFN_SIZE_PTR_PTR_PTR_UINT_PTR_PTR): New.

2016-01-15  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/64324
	* resolve.c (check_uop_procedure): Prevent deferred length
	characters from being trapped by assumed length error.

	PR fortran/49630
	PR fortran/54070
	PR fortran/60593
	PR fortran/60795
	PR fortran/61147
	PR fortran/64324
	* trans-array.c (gfc_conv_scalarized_array_ref): Pass decl for
	function as well as variable expressions.
	(gfc_array_init_size): Add 'expr' as an argument. Use this to
	correctly set the descriptor dtype for deferred characters.
	(gfc_array_allocate): Add 'expr' to the call to
	'gfc_array_init_size'.
	* trans.c (gfc_build_array_ref): Expand logic for setting span
	to include indirect references to character lengths.
	* trans-decl.c (gfc_get_symbol_decl): Ensure that deferred
	result char lengths that are PARM_DECLs are indirectly
	referenced both for directly passed and by reference.
	(create_function_arglist): If the length type is a pointer type
	then store the length as the 'passed_length' and make the char
	length an indirect reference to it.
	(gfc_trans_deferred_vars): If a character length has escaped
	being set as an indirect reference, return it via the 'passed
	length'.
	* trans-expr.c (gfc_conv_procedure_call): The length of
	deferred character length results is set TREE_STATIC and set to
	zero.
	(gfc_trans_assignment_1): Do not fix the rse string_length if
	it is a variable, a parameter or an indirect reference. Add the
	code to trap assignment of scalars to unallocated arrays.
	* trans-stmt.c (gfc_trans_allocate): Remove 'def_str_len' and
	all references to it. Instead, replicate the code to obtain a
	explicitly defined string length and provide a value before
	array allocation so that the dtype is correctly set.
	trans-types.c (gfc_get_character_type): If the character length
	is a pointer, use the indirect reference.

2016-01-10  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/69154
	* frontend-passes.c (in_where):  New variable.
	(inline_matmul_assign):  Don't try this if we are within
	a WHERE statement.
	(gfc_code_walker):  Keep track of in_where.

2016-01-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/67779
	* trans_array.c (gfc_conv_scalarized_array_ref): Add missing
	se->use_offset from condition for calculation of 'base'.

2016-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/69128
	* trans.h (OMPWS_SCALARIZER_BODY): Define.
	(OMPWS_NOWAIT): Renumber.
	* trans-stmt.c (gfc_trans_where_3): Only set OMPWS_SCALARIZER_WS
	if OMPWS_SCALARIZER_BODY is not set already, and set also
	OMPWS_SCALARIZER_BODY until the final loop creation.
	* trans-expr.c (gfc_trans_assignment_1): Likewise.
	* trans-openmp.c (gfc_trans_omp_workshare): Also clear
	OMPWS_SCALARIZER_BODY.
	* trans-array.c (gfc_trans_scalarized_loop_end): Don't create
	OMP_FOR if OMPWS_SCALARIZER_BODY is set.

2016-01-04  Jakub Jelinek  <jakub@redhat.com>

	Update copyright years.

	* gfortranspec.c (lang_specific_driver): Update copyright notice
	dates.
	* gfc-internals.texi: Bump @copying's copyright year.
	* gfortran.texi: Ditto.
	* intrinsic.texi: Ditto.
	* invoke.texi: Ditto.

2016-01-01  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/68864
	* trans-array.c (evaluate_bound): If deferred, test that 'desc'
	is an array descriptor before using gfc_conv_descriptor_xxx.

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