path: root/gcc/fortran/ChangeLog

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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