path: root/gcc/fortran/ChangeLog

2016-12-21  Release Manager

	* GCC 6.3.0 released.

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

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

2016-12-07  Jakub Jelinek  <jakub@redhat.com>

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

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

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

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

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.

2016-11-24  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  Janus Weil  <janus@gcc.gnu.org>

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

2016-11-22  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().

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

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

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

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

2016-11-02  Thomas Koenig  <tkoenig@gcc.gnu.org>

	Backport from trunk
	PR fortran/69544
	PR fortran/78178
	* match.c (match_simple_where):  Fill in locus for assigment
	in simple WHERE statement.
	(gfc_match_where):  Likewise.

2016-10-31  Thomas Koenig  <tkoenig@gcc.gnu.org>

	Backport from trunk
	PR fortran/71902
	* frontend-passes.c (realloc_string_callback): Also check for the
	lhs being deferred.  Name temporary variable "realloc_string".

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

	Backport from trunk
	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.

2016-10-26  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>

	Backport from trunk
	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.

2016-10-24  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.

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

	Backport from trunk
	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.

2016-10-23  Thomas Koenig  <tkoenig@gcc.gnu.org>

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

2016-10-23  Andre Vehreschild  <vehre@gcc.gnu.org>

	Backported from trunk
	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=.

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

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

2016-10-16  Thomas Koenig  <tkoenig@gcc.gnu.org>

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

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

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

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.

2016-10-05  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.

2016-09-28  Steven G. Kargl  <kargl@gcc.gnu.org>

	Backport from trunk
	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.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

2016-09-16  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	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.

2016-09-01  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	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.

	2016-08-19  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.

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

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

2016-08-22  Release Manager

	* GCC 6.2.0 released.

2016-08-16  Thomas Koenig  <tkoenig@gcc.gnu.org>

	Backport from trunk
	* 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.

2016-08-11  Andre Vehreschild  <vehre@gcc.gnu.org>

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

2016-08-11  Andre Vehreschild  <vehre@gcc.gnu.org>

	Backport from trunk
	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>

	Backport from trunk:
	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.

2016-08-07  Thomas Koenig  <tkoenig@gcc.gnu.org>

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

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

	Backported from trunk:
	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.

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

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

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

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

2016-07-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

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

2016-07-13  Andre Vehreschild  <vehre@gcc.gnu.org>

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

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

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

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

	Backport from trunk:
	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.

2016-07-02  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	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  Cesar Philippidis  <cesar@codesourcery.com>

	Back port from trunk
	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.

2016-06-27  Paul Thomas  <pault@gcc.gnu.org>

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

2016-06-12  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
	Backport from trunk r237290:
	* openmp.c (gfc_match_oacc_cache): Add comment.

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.

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

	Backport from trunk.
	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>

	Backport from trunk: r236242
	* gfortran.texi: Update example of DEC UNION extension.

	Backport from trunk: r236241
	PR fortran/71047
	* expr.c (gfc_default_initializer): Avoid extra component refs in
	constructors for derived types and classes.

	Backport from trunk: r235999
	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.

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

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

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.

2016-04-27  Release Manager

	* GCC 6.1.0 released.

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.

Copyright (C) 2016 Free Software Foundation, Inc.

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