gcc/fortran/ChangeLog

2014-08-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

	Backport from trunk
	PR fortran/62214
	* frontend-passes.c (optimize_binop_array_assignment):
	Do not try to optimize the array assignment for string
	concatenation.

2014-08-16  Thomas Koenig  <tkoenig@gcc.gnu.org>

	Backport from trunk
	PR fortran/62142
	* trans-expr.c (is_runtime_conformable):  Add NULL pointer checks.

2014-08-15  Thomas Koenig  <tkoenig@gcc.gnu.org>

	Backport from trunk
	PR fortran/62106
	* gfortran.h (symbol_attribute):  Add fe_temp flag.
	* frontend-passes.c (is_fe_temp):  New function.
	(create_var):  Don't add a temporary for an already
	created variable or for a constant.
	(combine_ARRAY_constructor):  Remove special handling
	for constants.

2014-08-15  Jakub Jelinek  <jakub@redhat.com>
	    Tobias Burnus  <burnus@net-b.de>

	PR fortran/62131
	* openmp.c (resolve_omp_atomic): Only complain if code->expr1's attr
	is allocatable, rather than whenever var->attr.allocatable.

2014-08-15  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/62107
	* trans-openmp.c (gfc_omp_finish_clause): Handle scalar pointer
	or allocatable passed by reference.
	(gfc_trans_omp_clauses) <case OMP_LIST_MAP>: Likewise.

2014-08-14  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/62076
	* openmp.c (gfc_match_omp_clauses): When failed to match
	operator name, defined op name or name, set buffer to
	empty string.  Don't call gfc_find_omp_udr if buffer is empty
	string.
	(gfc_match_omp_declare_reduction): Call gfc_undo_symbols ()
	before calling gfc_free_omp_udr.

2014-08-10  Thomas Koenig  <tkoenig@gcc.gnu.org>

	Backport from trunk
	PR fortran/61999
	* simplify.c (gfc_simplify_dot_product): Convert types of
	vectors before calculating the result.

2014-07-19  Paul Thomas  <pault@gcc.gnu.org>

	Backport from mainline
	PR fortran/61780
	* dependency.c (gfc_dep_resolver): Index the 'reverse' array so
	that elements are skipped. This then correctly aligns 'reverse'
	with the scalarizer loops.

2014-07-16  Release Manager

	* GCC 4.9.1 released.

2014-07-07  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/61459
	PR fortran/58883
	* trans-expr.c (fcncall_realloc_result): Use the natural type
	for the address expression of 'res_desc'.

2014-07-07  Dominique d'Humieres <dominiq@lps.ens.fr>
	    Mikael Morin <mikael@gcc.gnu.org>

	PR fortran/41936
	* trans-expr.c (gfc_conv_expr_reference): Deallocate array
	components.

2014-07-02  Jakub Jelinek  <jakub@redhat.com>
	    Fritz Reese  <Reese-Fritz@zai.com>

	* decl.c (variable_decl): Reject old style initialization
	for derived type components.

2014-06-30  Jakub Jelinek  <jakub@redhat.com>

	* module.c (MOD_VERSION): Revert back to 12.
	(MOD_VERSION_OMP4): Define.
	(module_omp4): New variable.
	(mio_symbol): Call mio_omp_declare_simd only if module_omp4.
	(read_module): Load omp udrs only if module_omp4.
	(write_module): Write omp udrs only if module_omp4.
	(find_omp_declare_simd): New function.
	(gfc_dump_module): Compute module_omp4.  Use MOD_VERSION_OMP4
	if module_omp4.
	(gfc_use_module): Handle MOD_VERSION_OMP4, set module_omp4.

	Backported from mainline
	2014-06-25  Jakub Jelinek  <jakub@redhat.com>

	* trans.h (gfc_omp_clause_linear_ctor): New prototype.
	* trans-openmp.c (gfc_omp_linear_clause_add_loop,
	gfc_omp_clause_linear_ctor): New functions.
	(gfc_trans_omp_clauses): Make sure OMP_CLAUSE_LINEAR_STEP has
	correct type.  Set OMP_CLAUSE_LINEAR_ARRAY flag if needed.
	* f95-lang.c (LANG_HOOKS_OMP_CLAUSE_LINEAR_CTOR): Redefine.

	2014-06-24  Jakub Jelinek  <jakub@redhat.com>

	* dump-parse-tree.c (show_omp_namelist): Use n->udr->udr instead
	of n->udr.
	* f95-lang.c (gfc_init_builtin_functions): Initialize
	BUILT_IN_ASSUME_ALIGNED.
	* gfortran.h (gfc_omp_namelist): Change udr field type to
	struct gfc_omp_namelist_udr.
	(gfc_omp_namelist_udr): New type.
	(gfc_get_omp_namelist_udr): Define.
	(gfc_resolve_code): New prototype.
	* match.c (gfc_free_omp_namelist): Free name->udr.
	* module.c (intrinsics): Add INTRINSIC_USER.
	(fix_mio_expr): Likewise.
	(mio_expr): Handle INSTRINSIC_USER and non-resolved EXPR_FUNCTION.
	* openmp.c (gfc_match_omp_clauses): Adjust initialization of n->udr.
	(gfc_match_omp_declare_reduction): Treat len=: the same as len=*.
	Set attr.flavor on omp_{out,in,priv,orig} artificial variables.
	(struct resolve_omp_udr_callback_data): New type.
	(resolve_omp_udr_callback, resolve_omp_udr_callback2,
	resolve_omp_udr_clause): New functions.
	(resolve_omp_clauses): Adjust for n->udr changes, resolve UDR clauses
	here.
	(omp_udr_callback): Don't check for implicitly declared functions
	here.
	(gfc_resolve_omp_udr): Don't call gfc_resolve.  Don't check for
	implicitly declared subroutines here.
	* resolve.c (resolve_function): If value.function.isym is non-NULL,
	consider it already resolved.
	(resolve_code): Renamed to ...
	(gfc_resolve_code): ... this.  No longer static.
	(gfc_resolve_blocks, generate_component_assignments, resolve_codes):
	Adjust callers.
	* trans-openmp.c (gfc_omp_privatize_by_reference): Don't privatize
	by reference type (C_PTR) variables.
	(gfc_omp_finish_clause): Make sure OMP_CLAUSE_SIZE is non-NULL.
	(gfc_trans_omp_udr_expr): Remove.
	(gfc_trans_omp_array_reduction_or_udr): Adjust for n->udr changes.
	Don't call gfc_trans_omp_udr_expr, even for sym->attr.dimension
	expand it as assignment or subroutine call.  Don't initialize
	value.function.isym.

	2014-06-18  Tobias Burnus  <burnus@net-b.de>

	* gfortran.texi (OpenMP): Update refs to OpenMP 4.0.
	* intrinsic.texi (OpenMP Modules): Ditto.

	2014-06-18  Jakub Jelinek  <jakub@redhat.com>

	* cpp.c (cpp_define_builtins): Change _OPENMP macro to
	201307.
	* dump-parse-tree.c (show_omp_namelist): Add list_type
	argument.  Adjust for rop being u.reduction_op now,
	handle depend_op or map_op.
	(show_omp_node): Adjust callers.  Print some new
	OpenMP 4.0 clauses, adjust for OMP_LIST_DEPEND_{IN,OUT}
	becoming a single OMP_LIST_DEPEND.
	* f95-lang.c (gfc_handle_omp_declare_target_attribute): New
	function.
	(gfc_attribute_table): New variable.
	(LANG_HOOKS_OMP_FINISH_CLAUSE, LANG_HOOKS_ATTRIBUTE_TABLE): Redefine.
	* frontend-passes.c (gfc_code_walker): Handle new OpenMP target
	EXEC_OMP_* codes and new clauses.
	* gfortran.h (gfc_statement): Add ST_OMP_TARGET, ST_OMP_END_TARGET,
	ST_OMP_TARGET_DATA, ST_OMP_END_TARGET_DATA, ST_OMP_TARGET_UPDATE,
	ST_OMP_DECLARE_TARGET, ST_OMP_TEAMS, ST_OMP_END_TEAMS,
	ST_OMP_DISTRIBUTE, ST_OMP_END_DISTRIBUTE, ST_OMP_DISTRIBUTE_SIMD,
	ST_OMP_END_DISTRIBUTE_SIMD, ST_OMP_DISTRIBUTE_PARALLEL_DO,
	ST_OMP_END_DISTRIBUTE_PARALLEL_DO, ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD,
	ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD, ST_OMP_TARGET_TEAMS,
	ST_OMP_END_TARGET_TEAMS, ST_OMP_TEAMS_DISTRIBUTE,
	ST_OMP_END_TEAMS_DISTRIBUTE, ST_OMP_TEAMS_DISTRIBUTE_SIMD,
	ST_OMP_END_TEAMS_DISTRIBUTE_SIMD, ST_OMP_TARGET_TEAMS_DISTRIBUTE,
	ST_OMP_END_TARGET_TEAMS_DISTRIBUTE,
	ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD,
	ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD,
	ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO,
	ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO,
	ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
	ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
	ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
	ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
	ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD and
	ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD.
	(symbol_attribute): Add omp_declare_target field.
	(gfc_omp_depend_op, gfc_omp_map_op): New enums.
	(gfc_omp_namelist): Replace rop field with union
	containing reduction_op, depend_op and map_op.
	(OMP_LIST_DEPEND_IN, OMP_LIST_DEPEND_OUT): Remove.
	(OMP_LIST_DEPEND, OMP_LIST_MAP, OMP_LIST_TO, OMP_LIST_FROM): New.
	(gfc_omp_clauses): Add num_teams, device, thread_limit,
	dist_sched_kind, dist_chunk_size fields.
	(gfc_common_head): Add omp_declare_target field.
	(gfc_exec_op): Add EXEC_OMP_TARGET, EXEC_OMP_TARGET_DATA,
	EXEC_OMP_TEAMS, EXEC_OMP_DISTRIBUTE, EXEC_OMP_DISTRIBUTE_SIMD,
	EXEC_OMP_DISTRIBUTE_PARALLEL_DO, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD,
	EXEC_OMP_TARGET_TEAMS, EXEC_OMP_TEAMS_DISTRIBUTE,
	EXEC_OMP_TEAMS_DISTRIBUTE_SIMD, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE,
	EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD,
	EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO,
	EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
	EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
	EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD and
	EXEC_OMP_TARGET_UPDATE.
	(gfc_add_omp_declare_target): New prototype.
	* match.h (gfc_match_omp_declare_target, gfc_match_omp_distribute,
	gfc_match_omp_distribute_parallel_do,
	gfc_match_omp_distribute_parallel_do_simd,
	gfc_match_omp_distribute_simd, gfc_match_omp_target,
	gfc_match_omp_target_data, gfc_match_omp_target_teams,
	gfc_match_omp_target_teams_distribute,
	gfc_match_omp_target_teams_distribute_parallel_do,
	gfc_match_omp_target_teams_distribute_parallel_do_simd,
	gfc_match_omp_target_teams_distribute_simd,
	gfc_match_omp_target_update, gfc_match_omp_teams,
	gfc_match_omp_teams_distribute,
	gfc_match_omp_teams_distribute_parallel_do,
	gfc_match_omp_teams_distribute_parallel_do_simd,
	gfc_match_omp_teams_distribute_simd): New prototypes.
	* module.c (ab_attribute): Add AB_OMP_DECLARE_TARGET.
	(attr_bits): Likewise.
	(mio_symbol_attribute): Handle omp_declare_target attribute.
	(gfc_free_omp_clauses): Free num_teams, device, thread_limit
	and dist_chunk_size expressions.
	(OMP_CLAUSE_PRIVATE, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
	OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_COPYIN,
	OMP_CLAUSE_REDUCTION, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
	OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_DEFAULT, OMP_CLAUSE_ORDERED,
	OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED, OMP_CLAUSE_FINAL,
	OMP_CLAUSE_MERGEABLE, OMP_CLAUSE_ALIGNED, OMP_CLAUSE_DEPEND,
	OMP_CLAUSE_INBRANCH, OMP_CLAUSE_LINEAR, OMP_CLAUSE_NOTINBRANCH,
	OMP_CLAUSE_PROC_BIND, OMP_CLAUSE_SAFELEN, OMP_CLAUSE_SIMDLEN,
	OMP_CLAUSE_UNIFORM): Use 1U instead of 1.
	(OMP_CLAUSE_DEVICE, OMP_CLAUSE_MAP, OMP_CLAUSE_TO, OMP_CLAUSE_FROM,
	OMP_CLAUSE_NUM_TEAMS, OMP_CLAUSE_THREAD_LIMIT,
	OMP_CLAUSE_DIST_SCHEDULE): Define.
	(gfc_match_omp_clauses): Change mask parameter to unsigned int.
	Adjust for rop becoming u.reduction_op.  Disallow inbranch with
	notinbranch.  For depend clause, always create OMP_LIST_DEPEND
	and fill in u.depend_op.  Handle num_teams, device, map,
	to, from, thread_limit and dist_schedule clauses.
	(OMP_DECLARE_SIMD_CLAUSES): Or in OMP_CLAUSE_INBRANCH and
	OMP_CLAUSE_NOTINBRANCH.
	(OMP_TARGET_CLAUSES, OMP_TARGET_DATA_CLAUSES,
	OMP_TARGET_UPDATE_CLAUSES, OMP_TEAMS_CLAUSES,
	OMP_DISTRIBUTE_CLAUSES): Define.
	(match_omp): New function.
	(gfc_match_omp_do, gfc_match_omp_do_simd, gfc_match_omp_parallel,
	gfc_match_omp_parallel_do, gfc_match_omp_parallel_do_simd,
	gfc_match_omp_parallel_sections, gfc_match_omp_parallel_workshare,
	gfc_match_omp_sections, gfc_match_omp_simd, gfc_match_omp_single,
	gfc_match_omp_task): Rewritten using match_omp.
	(gfc_match_omp_threadprivate, gfc_match_omp_declare_reduction):
	Diagnose if the directives are followed by unexpected junk.
	(gfc_match_omp_distribute, gfc_match_omp_distribute_parallel_do,
	gfc_match_omp_distribute_parallel_do_simd,
	gfc_match_omp_distrbute_simd, gfc_match_omp_declare_target,
	gfc_match_omp_target, gfc_match_omp_target_data,
	gfc_match_omp_target_teams, gfc_match_omp_target_teams_distribute,
	gfc_match_omp_target_teams_distribute_parallel_do,
	gfc_match_omp_target_teams_distribute_parallel_do_simd,
	gfc_match_omp_target_teams_distrbute_simd, gfc_match_omp_target_update,
	gfc_match_omp_teams, gfc_match_omp_teams_distribute,
	gfc_match_omp_teams_distribute_parallel_do,
	gfc_match_omp_teams_distribute_parallel_do_simd,
	gfc_match_omp_teams_distrbute_simd): New functions.
	* openmp.c (resolve_omp_clauses): Adjust for
	OMP_LIST_DEPEND_{IN,OUT} being changed to OMP_LIST_DEPEND.  Handle
	OMP_LIST_MAP, OMP_LIST_FROM, OMP_LIST_TO, num_teams, device,
	dist_chunk_size and thread_limit.
	(gfc_resolve_omp_parallel_blocks): Only put sharing clauses into
	ctx.sharing_clauses.  Call gfc_resolve_omp_do_blocks for various
	new EXEC_OMP_* codes.
	(resolve_omp_do): Handle various new EXEC_OMP_* codes.
	(gfc_resolve_omp_directive): Likewise.
	(gfc_resolve_omp_declare_simd): Add missing space to diagnostics.
	* parse.c (decode_omp_directive): Handle parsing of OpenMP 4.0
	offloading related directives.
	(case_executable): Add ST_OMP_TARGET_UPDATE.
	(case_exec_markers): Add ST_OMP_TARGET*, ST_OMP_TEAMS*,
	ST_OMP_DISTRIBUTE*.
	(case_decl): Add ST_OMP_DECLARE_TARGET.
	(gfc_ascii_statement): Handle new ST_OMP_* codes.
	(parse_omp_do): Handle various new ST_OMP_* codes.
	(parse_executable): Likewise.
	* resolve.c (gfc_resolve_blocks): Handle various new EXEC_OMP_*
	codes.
	(resolve_code): Likewise.
	(resolve_symbol): Change that !$OMP DECLARE TARGET variables
	are saved.
	* st.c (gfc_free_statement): Handle various new EXEC_OMP_* codes.
	* symbol.c (check_conflict): Check omp_declare_target conflicts.
	(gfc_add_omp_declare_target): New function.
	(gfc_copy_attr): Copy omp_declare_target.
	* trans.c (trans_code): Handle various new EXEC_OMP_* codes.
	* trans-common.c (build_common_decl): Add "omp declare target"
	attribute if needed.
	* trans-decl.c (add_attributes_to_decl): Likewise.
	* trans.h (gfc_omp_finish_clause): New prototype.
	* trans-openmp.c (gfc_omp_finish_clause): New function.
	(gfc_trans_omp_reduction_list): Adjust for rop being renamed
	to u.reduction_op.
	(gfc_trans_omp_clauses): Adjust for OMP_LIST_DEPEND_{IN,OUT}
	change to OMP_LIST_DEPEND and fix up depend handling.
	Handle OMP_LIST_MAP, OMP_LIST_TO, OMP_LIST_FROM, num_teams,
	thread_limit, device, dist_chunk_size and dist_sched_kind.
	(gfc_trans_omp_do): Handle EXEC_OMP_DISTRIBUTE.
	(GFC_OMP_SPLIT_DISTRIBUTE, GFC_OMP_SPLIT_TEAMS,
	GFC_OMP_SPLIT_TARGET, GFC_OMP_SPLIT_NUM, GFC_OMP_MASK_DISTRIBUTE,
	GFC_OMP_MASK_TEAMS, GFC_OMP_MASK_TARGET, GFC_OMP_MASK_NUM): New.
	(gfc_split_omp_clauses): Handle splitting of clauses for new
	EXEC_OMP_* codes.
	(gfc_trans_omp_do_simd): Add pblock argument, adjust for being
	callable for combined constructs.
	(gfc_trans_omp_parallel_do, gfc_trans_omp_parallel_do_simd): Likewise.
	(gfc_trans_omp_distribute, gfc_trans_omp_teams,
	gfc_trans_omp_target, gfc_trans_omp_target_data,
	gfc_trans_omp_target_update): New functions.
	(gfc_trans_omp_directive): Adjust gfc_trans_omp_* callers, handle
	new EXEC_OMP_* codes.

	2014-06-10  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/60928
	* f95-lang.c (gfc_init_builtin_functions): Handle -fopenmp-simd
	like -fopenmp.
	* openmp.c (resolve_omp_clauses): Remove allocatable components
	diagnostics.  Add associate-name and intent(in) pointer
	diagnostics for various clauses, diagnose procedure pointers in
	reduction clause.
	* parse.c (match_word_omp_simd): New function.
	(matchs, matcho): New macros.
	(decode_omp_directive): Change match macros to either matchs
	or matcho.  Handle -fopenmp-simd.
	(next_free, next_fixed): Handle -fopenmp-simd like -fopenmp.
	* scanner.c (skip_free_comments, skip_fixed_comments, include_line):
	Likewise.
	* trans-array.c (get_full_array_size): Rename to...
	(gfc_full_array_size): ... this.  No longer static.
	(duplicate_allocatable): Adjust caller.  Add NO_MEMCPY argument
	and handle it.
	(gfc_duplicate_allocatable, gfc_copy_allocatable_data): Adjust
	duplicate_allocatable callers.
	(gfc_duplicate_allocatable_nocopy): New function.
	(structure_alloc_comps): Adjust g*_full_array_size and
	duplicate_allocatable caller.
	* trans-array.h (gfc_full_array_size,
	gfc_duplicate_allocatable_nocopy): New prototypes.
	* trans-common.c (create_common): Call gfc_finish_decl_attrs.
	* trans-decl.c (gfc_finish_decl_attrs): New function.
	(gfc_finish_var_decl, create_function_arglist,
	gfc_get_fake_result_decl): Call it.
	(gfc_allocate_lang_decl): If DECL_LANG_SPECIFIC is already allocated,
	don't allocate it again.
	(gfc_get_symbol_decl): Set GFC_DECL_ASSOCIATE_VAR_P on
	associate-names.
	* trans.h (gfc_finish_decl_attrs): New prototype.
	(struct lang_decl): Add scalar_allocatable and scalar_pointer
	bitfields.
	(GFC_DECL_SCALAR_ALLOCATABLE, GFC_DECL_SCALAR_POINTER,
	GFC_DECL_GET_SCALAR_ALLOCATABLE, GFC_DECL_GET_SCALAR_POINTER,
	GFC_DECL_ASSOCIATE_VAR_P): Define.
	(GFC_POINTER_TYPE_P): Remove.
	* trans-openmp.c (gfc_omp_privatize_by_reference): Don't check
	GFC_POINTER_TYPE_P, instead test GFC_DECL_GET_SCALAR_ALLOCATABLE,
	GFC_DECL_GET_SCALAR_POINTER or GFC_DECL_CRAY_POINTEE on decl.
	(gfc_omp_predetermined_sharing): Associate-names are predetermined.
	(enum walk_alloc_comps): New.
	(gfc_has_alloc_comps, gfc_omp_unshare_expr_r, gfc_omp_unshare_expr,
	gfc_walk_alloc_comps): New functions.
	(gfc_omp_private_outer_ref): Return true for scalar allocatables or
	decls with allocatable components.
	(gfc_omp_clause_default_ctor, gfc_omp_clause_copy_ctor,
	gfc_omp_clause_assign_op, gfc_omp_clause_dtor): Fix up handling of
	allocatables, handle also OMP_CLAUSE_REDUCTION, handle scalar
	allocatables and decls with allocatable components.
	(gfc_trans_omp_array_reduction_or_udr): Don't handle allocatable
	arrays here.
	(gfc_trans_omp_reduction_list): Call
	gfc_trans_omp_array_reduction_or_udr even for allocatable scalars.
	(gfc_trans_omp_do_simd): If -fno-openmp, just expand it as OMP_SIMD.
	(gfc_trans_omp_parallel_do_simd): Likewise.
	* trans-types.c (gfc_sym_type): Don't set GFC_POINTER_TYPE_P.
	(gfc_get_derived_type): Call gfc_finish_decl_attrs.

	2014-06-06  Jakub Jelinek  <jakub@redhat.com>

	* dump-parse-tree.c (show_omp_namelist): Dump reduction
	id in each list item.
	(show_omp_node): Only handle OMP_LIST_REDUCTION, not
	OMP_LIST_REDUCTION_FIRST .. OMP_LIST_REDUCTION_LAST.  Don't
	dump reduction id here.
	* frontend-passes.c (dummy_code_callback): Renamed to...
	(gfc_dummy_code_callback): ... this.  No longer static.
	(optimize_reduction): Use gfc_dummy_code_callback instead of
	dummy_code_callback.
	* gfortran.h (gfc_statement): Add ST_OMP_DECLARE_REDUCTION.
	(symbol_attribute): Add omp_udr_artificial_var bitfield.
	(gfc_omp_reduction_op): New enum.
	(gfc_omp_namelist): Add rop and udr fields.
	(OMP_LIST_PLUS, OMP_LIST_REDUCTION_FIRST, OMP_LIST_MULT,
	OMP_LIST_SUB, OMP_LIST_AND, OMP_LIST_OR, OMP_LIST_EQV,
	OMP_LIST_NEQV, OMP_LIST_MAX, OMP_LIST_MIN, OMP_LIST_IAND,
	OMP_LIST_IOR, OMP_LIST_IEOR, OMP_LIST_REDUCTION_LAST): Removed.
	(OMP_LIST_REDUCTION): New.
	(gfc_omp_udr): New type.
	(gfc_get_omp_udr): Define.
	(gfc_symtree): Add n.omp_udr field.
	(gfc_namespace): Add omp_udr_root field, add omp_udr_ns bitfield.
	(gfc_free_omp_udr, gfc_omp_udr_find, gfc_resolve_omp_udrs,
	gfc_dummy_code_callback): New prototypes.
	* match.h (gfc_match_omp_declare_reduction): New prototype.
	* module.c (MOD_VERSION): Increase to 13.
	(omp_declare_reduction_stmt): New array.
	(mio_omp_udr_expr, write_omp_udr, write_omp_udrs, load_omp_udrs):
	New functions.
	(read_module): Read OpenMP user defined reductions.
	(write_module): Write OpenMP user defined reductions.
	* openmp.c: Include arith.h.
	(gfc_free_omp_udr, gfc_find_omp_udr): New functions.
	(gfc_match_omp_clauses): Handle user defined reductions.
	Store reduction kind into gfc_omp_namelist instead of using
	several OMP_LIST_* entries.
	(match_udr_expr, gfc_omp_udr_predef, gfc_omp_udr_find,
	gfc_match_omp_declare_reduction): New functions.
	(resolve_omp_clauses): Adjust for reduction clauses being only
	in OMP_LIST_REDUCTION list.  Diagnose missing UDRs.
	(struct omp_udr_callback_data): New type.
	(omp_udr_callback, gfc_resolve_omp_udr, gfc_resolve_omp_udrs): New
	functions.
	* parse.c (decode_omp_directive): Handle !$omp declare reduction.
	(case_decl): Add ST_OMP_DECLARE_REDUCTION.
	(gfc_ascii_statement): Print ST_OMP_DECLARE_REDUCTION.
	* resolve.c (resolve_fl_variable): Allow len=: or len=* on
	sym->attr.omp_udr_artificial_var symbols.
	(resolve_types): Call gfc_resolve_omp_udrs.
	* symbol.c (gfc_get_uop): If gfc_current_ns->omp_udr_ns,
	use parent ns instead of gfc_current_ns.
	(gfc_get_sym_tree): Don't insert symbols into
	namespaces with omp_udr_ns set.
	(free_omp_udr_tree): New function.
	(gfc_free_namespace): Call it.
	* trans-openmp.c (struct omp_udr_find_orig_data): New type.
	(omp_udr_find_orig, gfc_trans_omp_udr_expr): New functions.
	(gfc_trans_omp_array_reduction): Renamed to...
	(gfc_trans_omp_array_reduction_or_udr): ... this.  Remove SYM
	argument, instead pass gfc_omp_namelist pointer N.  Handle
	user defined reductions.
	(gfc_trans_omp_reduction_list): Remove REDUCTION_CODE argument.
	Handle user defined reductions and reduction ops in gfc_omp_namelist.
	(gfc_trans_omp_clauses): Adjust for just a single OMP_LIST_REDUCTION
	list.
	(gfc_split_omp_clauses): Likewise.

	2014-05-12  Tobias Burnus  <burnus@net-b.de>

	PR fortran/60127
	* openmp.c (resolve_omp_do): Reject do concurrent loops.

	2014-05-11  Jakub Jelinek  <jakub@redhat.com>

	* gfortran.h (gfc_statement): Add ST_OMP_CANCEL,
	ST_OMP_CANCELLATION_POINT, ST_OMP_TASKGROUP, ST_OMP_END_TASKGROUP,
	ST_OMP_SIMD, ST_OMP_END_SIMD, ST_OMP_DO_SIMD, ST_OMP_END_DO_SIMD,
	ST_OMP_PARALLEL_DO_SIMD, ST_OMP_END_PARALLEL_DO_SIMD and
	ST_OMP_DECLARE_SIMD.
	(gfc_omp_namelist): New typedef.
	(gfc_get_omp_namelist): Define.
	(OMP_LIST_UNIFORM, OMP_LIST_ALIGNED, OMP_LIST_LINEAR,
	OMP_LIST_DEPEND_IN, OMP_LIST_DEPEND_OUT): New clause list kinds.
	(gfc_omp_proc_bind_kind, gfc_omp_cancel_kind): New enums.
	(gfc_omp_clauses): Change type of lists to gfc_omp_namelist *.
	Add inbranch, notinbranch, cancel, proc_bind, safelen_expr and
	simdlen_expr fields.
	(gfc_omp_declare_simd): New typedef.
	(gfc_get_omp_declare_simd): Define.
	(gfc_namespace): Add omp_declare_simd field.
	(gfc_exec_op): Add EXEC_OMP_CANCEL, EXEC_OMP_CANCELLATION_POINT,
	EXEC_OMP_TASKGROUP, EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD and
	EXEC_OMP_PARALLEL_DO_SIMD.
	(gfc_omp_atomic_op): Add GFC_OMP_ATOMIC_MASK, GFC_OMP_ATOMIC_SEQ_CST
	and GFC_OMP_ATOMIC_SWAP.
	(gfc_code): Change type of omp_namelist field to gfc_omp_namelist *.
	(gfc_free_omp_namelist, gfc_free_omp_declare_simd,
	gfc_free_omp_declare_simd_list, gfc_resolve_omp_declare_simd): New
	prototypes.
	* trans-stmt.h (gfc_trans_omp_declare_simd): New prototype.
	* symbol.c (gfc_free_namespace): Call gfc_free_omp_declare_simd.
	* openmp.c (gfc_free_omp_clauses): Free safelen_expr and
	simdlen_expr.  Use gfc_free_omp_namelist instead of
	gfc_free_namelist.
	(gfc_free_omp_declare_simd, gfc_free_omp_declare_simd_list): New
	functions.
	(gfc_match_omp_variable_list): Add end_colon, headp and
	allow_sections arguments.  Handle parsing of array sections.
	Use *omp_namelist* instead of *namelist* data structure and
	functions/macros.  Allow termination at : character.
	(OMP_CLAUSE_ALIGNED, OMP_CLAUSE_DEPEND, OMP_CLAUSE_INBRANCH,
	OMP_CLAUSE_LINEAR, OMP_CLAUSE_NOTINBRANCH, OMP_CLAUSE_PROC_BIND,
	OMP_CLAUSE_SAFELEN, OMP_CLAUSE_SIMDLEN, OMP_CLAUSE_UNIFORM): Define.
	(gfc_match_omp_clauses): Change first and needs_space variables
	into arguments with default values.  Parse inbranch, notinbranch,
	proc_bind, safelen, simdlen, uniform, linear, aligned and
	depend clauses.
	(OMP_PARALLEL_CLAUSES): Add OMP_CLAUSE_PROC_BIND.
	(OMP_DECLARE_SIMD_CLAUSES, OMP_SIMD_CLAUSES): Define.
	(OMP_TASK_CLAUSES): Add OMP_CLAUSE_DEPEND.
	(gfc_match_omp_do_simd): New function.
	(gfc_match_omp_flush): Use *omp_namelist* instead of *namelist*
	data structure and functions/macros.
	(gfc_match_omp_simd, gfc_match_omp_declare_simd,
	gfc_match_omp_parallel_do_simd): New functions.
	(gfc_match_omp_atomic): Handle seq_cst clause.  Handle atomic swap.
	(gfc_match_omp_taskgroup, gfc_match_omp_cancel_kind,
	gfc_match_omp_cancel, gfc_match_omp_cancellation_point): New
	functions.
	(resolve_omp_clauses): Add where, omp_clauses and ns arguments.
	Use *omp_namelist* instead of *namelist* data structure and
	functions/macros.  Resolve uniform, aligned, linear, depend,
	safelen and simdlen clauses.
	(resolve_omp_atomic): Adjust for GFC_OMP_ATOMIC_{MASK,SEQ_CST,SWAP}
	addition, recognize atomic swap.
	(gfc_resolve_omp_parallel_blocks): Use gfc_omp_namelist instead
	of gfc_namelist.  Handle EXEC_OMP_PARALLEL_DO_SIMD the same as
	EXEC_OMP_PARALLEL_DO.
	(gfc_resolve_do_iterator): Use *omp_namelist* instead of *namelist*
	data structure and functions/macros.
	(resolve_omp_do): Likewise.  Handle EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD,
	EXEC_OMP_PARALLEL_DO_SIMD.
	(gfc_resolve_omp_directive): Handle EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD,
	EXEC_OMP_PARALLEL_DO_SIMD and EXEC_OMP_CANCEL.  Adjust
	resolve_omp_clauses caller.
	(gfc_resolve_omp_declare_simd): New function.
	* parse.c (decode_omp_directive): Parse cancellation point, cancel,
	declare simd, end do simd, end simd, end parallel do simd,
	end taskgroup, parallel do simd, simd and taskgroup directives.
	(case_executable): Add ST_OMP_CANCEL and ST_OMP_CANCELLATION_POINT.
	(case_exec_markers): Add ST_OMP_TASKGROUP, case ST_OMP_SIMD,
	ST_OMP_DO_SIMD and ST_OMP_PARALLEL_DO_SIMD.
	(case_decl): Add ST_OMP_DECLARE_SIMD.
	(gfc_ascii_statement): Handle ST_OMP_CANCEL,
	ST_OMP_CANCELLATION_POINT, ST_OMP_TASKGROUP, ST_OMP_END_TASKGROUP,
	ST_OMP_SIMD, ST_OMP_END_SIMD, ST_OMP_DO_SIMD, ST_OMP_END_DO_SIMD,
	ST_OMP_PARALLEL_DO_SIMD, ST_OMP_END_PARALLEL_DO_SIMD and
	ST_OMP_DECLARE_SIMD.
	(parse_omp_do): Handle ST_OMP_SIMD, ST_OMP_DO_SIMD and
	ST_OMP_PARALLEL_DO_SIMD.
	(parse_omp_atomic): Adjust for GFC_OMP_ATOMIC_* additions.
	(parse_omp_structured_block): Handle ST_OMP_TASKGROUP and
	ST_OMP_PARALLEL_DO_SIMD.
	(parse_executable): Handle ST_OMP_SIMD, ST_OMP_DO_SIMD,
	ST_OMP_PARALLEL_DO_SIMD and ST_OMP_TASKGROUP.
	* trans-decl.c (gfc_get_extern_function_decl,
	gfc_create_function_decl): Call gfc_trans_omp_declare_simd if
	needed.
	* frontend-passes.c (gfc_code_walker): Handle EXEC_OMP_SIMD,
	EXEC_OMP_DO_SIMD and EXEC_OMP_PARALLEL_DO_SIMD.  Walk
	safelen_expr and simdlen_expr.  Walk expressions in gfc_omp_namelist
	of depend, aligned and linear clauses.
	* match.c (match_exit_cycle): Handle EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD
	and EXEC_OMP_PARALLEL_DO_SIMD.
	(gfc_free_omp_namelist): New function.
	* dump-parse-tree.c (show_namelist): Removed.
	(show_omp_namelist): New function.
	(show_omp_node): Handle OpenMP 4.0 additions.
	(show_code_node): Handle EXEC_OMP_CANCEL, EXEC_OMP_CANCELLATION_POINT,
	EXEC_OMP_DO_SIMD, EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and
	EXEC_OMP_TASKGROUP.
	* match.h (gfc_match_omp_cancel, gfc_match_omp_cancellation_point,
	gfc_match_omp_declare_simd, gfc_match_omp_do_simd,
	gfc_match_omp_parallel_do_simd, gfc_match_omp_simd,
	gfc_match_omp_taskgroup): New prototypes.
	* trans-openmp.c (gfc_trans_omp_variable): Add declare_simd
	argument, handle it.  Allow current_function_decl to be NULL.
	(gfc_trans_omp_variable_list): Add declare_simd argument, pass
	it through to gfc_trans_omp_variable and disregard whether
	sym is referenced if declare_simd is true.  Work on gfc_omp_namelist
	instead of gfc_namelist.
	(gfc_trans_omp_reduction_list): Work on gfc_omp_namelist instead of
	gfc_namelist.  Adjust gfc_trans_omp_variable caller.
	(gfc_trans_omp_clauses): Add declare_simd argument, pass it through
	to gfc_trans_omp_variable{,_list} callers.  Work on gfc_omp_namelist
	instead of gfc_namelist.  Handle inbranch, notinbranch, safelen,
	simdlen, depend, uniform, linear, proc_bind and aligned clauses.
	Handle cancel kind.
	(gfc_trans_omp_atomic): Handle seq_cst clause, handle atomic swap,
	adjust for GFC_OMP_ATOMIC_* changes.
	(gfc_trans_omp_cancel, gfc_trans_omp_cancellation_point): New
	functions.
	(gfc_trans_omp_do): Add op argument, handle simd translation into
	generic.
	(GFC_OMP_SPLIT_SIMD, GFC_OMP_SPLIT_DO, GFC_OMP_SPLIT_PARALLEL,
	GFC_OMP_SPLIT_NUM, GFC_OMP_MASK_SIMD, GFC_OMP_MASK_DO,
	GFC_OMP_MASK_PARALLEL): New.
	(gfc_split_omp_clauses, gfc_trans_omp_do_simd): New functions.
	(gfc_trans_omp_parallel_do): Rework to use gfc_split_omp_clauses.
	(gfc_trans_omp_parallel_do_simd, gfc_trans_omp_taskgroup): New
	functions.
	(gfc_trans_omp_directive): Handle EXEC_OMP_CANCEL,
	EXEC_OMP_CANCELLATION_POINT, EXEC_OMP_DO_SIMD,
	EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and EXEC_OMP_TASKGROUP.
	Adjust gfc_trans_omp_do caller.
	(gfc_trans_omp_declare_simd): New function.
	* st.c (gfc_free_statement): Handle EXEC_OMP_CANCEL,
	EXEC_OMP_CANCELLATION_POINT, EXEC_OMP_DO_SIMD,
	EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and EXEC_OMP_TASKGROUP.
	For EXEC_OMP_FLUSH call gfc_free_omp_namelist instead of
	gfc_free_namelist.
	* module.c (omp_declare_simd_clauses): New variable.
	(mio_omp_declare_simd): New function.
	(mio_symbol): Call it.
	* trans.c (trans_code): Handle EXEC_OMP_CANCEL,
	EXEC_OMP_CANCELLATION_POINT, EXEC_OMP_DO_SIMD,
	EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and EXEC_OMP_TASKGROUP.
	* resolve.c (gfc_resolve_blocks): Handle EXEC_OMP_DO_SIMD,
	EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and EXEC_OMP_TASKGROUP.
	(resolve_code): Handle EXEC_OMP_CANCEL,
	EXEC_OMP_CANCELLATION_POINT, EXEC_OMP_DO_SIMD,
	EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and EXEC_OMP_TASKGROUP.
	(resolve_types): Call gfc_resolve_omp_declare_simd.

2014-06-15  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	Backport from trunk.
	PR fortran/45187
	* trans-decl.c (gfc_create_module_variable): Don't create
	Cray-pointee decls twice.

2014-06-09  Paul Thomas  <pault@gcc.gnu.org>

	Backport from trunk.
	PR fortran/61406
	* trans-stmt.c (trans_associate_var): Check that array
	constructors are constant for direct reference.

2014-06-05  Richard Biener  <rguenther@suse.de>

	PR fortran/61418
	* gfortranspec.c (spec_file): Remove.
	(find_spec_file): Likewise.
	(lang_specific_driver): Do not look for specs file in -L
	or append -specs command line argument.
	(lang_specific_pre_link): Always %:include libgfortran.spec.

2014-05-29  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/60834
	Backport from mainline
	* frontend-passes.c (in_assoc_list):  New variable.
	(optimize_namespace):  Initialize in_assoc_list
	(combine_array_constructor): Don't try to combine
	assoc lists.
	(gfc_code_walker):  Keep track of in_assoc_list.

2014-05-26  Janne Blomqvist  <jb@gcc.gnu.org>

	Backport from mainline
	PR libfortran/61310
	* intrinsics.texi (CTIME): Remove mention of locale-dependent
	behavior.

2014-04-22  Tobias Burnus  <burnus@net-b.de>

	Backport from mainline
	2014-04-11  Tobias Burnus  <burnus@net-b.de>

	PR fortran/58880
	PR fortran/60495
	* resolve.c (gfc_resolve_finalizers): Ensure that vtables
	and finalization wrappers are generated.

2014-04-22  Release Manager

	* GCC 4.9.0 released.

2014-04-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/58085
	PR fortran/60717
	* trans.h: Add 'use_offset' bitfield to gfc_se.
	* trans-array.c (gfc_conv_expr_descriptor): Use 'use_offset'
	as a trigger to unconditionally recalculate the offset for
	array slices and constant arrays.
	trans-expr.c (gfc_conv_intrinsic_to_class): Use it.
	trans-stmt.c (trans_associate_var): Ditto.
	(gfc_conv_procedure_call): Ditto.

2014-04-11  Janne Blomqvist  <jb@gcc.gnu.org>

	* intrinsic.texi (RANDOM_SEED): Improve example.

2014-04-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	* class.c (gfc_build_class_symbol): Append "_t" to target class
	names to make the generated type names unique.

2014-04-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	PR fortran/60191
	* trans-types.c (gfc_get_function_type): In case of recursion
	build a variadic function type with empty argument list instead of a
	stdarg-like function type with incomplete argument list.

2014-04-04  Tobias Burnus  <burnus@net-b.de>

	* check.c (gfc_check_cmplx): Fix typo.

2014-03-28  Mikael Morin  <mikael@gcc.gnu.org>
	    Tobias Burnus  <burnus@net-b.de>

	PR fortran/60576
	* trans-expr.c (gfc_conv_derived_to_class): Avoid
	generation of out-of-bounds range expr.

2014-03-28  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/60677
	* trans-intrinsic.c (gfc_conv_intrinsic_ichar): Enlarge argument
	list buffer.

2014-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/60522
	* frontend-passes.c (cfe_code):  Do not walk subtrees
	for WHERE.

2014-03-27  Tobias Burnus  <burnus@net-b.de>

	PR fortran/58880
	* trans-expr.c (gfc_conv_scalar_to_descriptor): Fix handling
	of nonpointers.

2014-03-26 Dominique d'Humieres <dominiq@lps.ens.fr>

	PR fortran/34928
	* fortran.texi: Document Volatile COMMON as not supported.

2014-03-22  Jakub Jelinek  <jakub@redhat.com>

	PR debug/60603
	* cpp.c (gfc_cpp_init): Restore cb_change_file call to
	<built-in>.

2014-03-21  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/60148
	* gfortran.texi: Add description of namelist DELIM= behavior.

2014-03-19  Tobias Burnus  <burnus@net-b.>

	PR fortran/60543
	* io.c (check_io_constraints): Use gfc_unset_implicit_pure.
	* resolve.c (resolve_ordinary_assign): Ditto.

2014-03-19  Tobias Burnus  <burnus@net-b.de>

	PR fortran/60543
	PR fortran/60283
	* gfortran.h (gfc_unset_implicit_pure): New prototype.
	* resolve.c (gfc_unset_implicit_pure): New.
	(resolve_structure_cons, resolve_function,
	pure_subroutine): Use it.
	* decl.c (match_old_style_init, gfc_match_data,
	match_pointer_init, variable_decl): Ditto.
	* expr.c (gfc_check_pointer_assign): Ditto.
	* intrinsic.c (gfc_intrinsic_sub_interface): Ditto.
	* io.c (match_vtag, gfc_match_open, gfc_match_close,
	match_filepos, gfc_match_inquire, gfc_match_print,
	gfc_match_wait): Ditto.
	* match.c (gfc_match_critical, gfc_match_stopcode,
	lock_unlock_statement, sync_statement, gfc_match_allocate,
	gfc_match_deallocate): Ditto.
	* parse.c (decode_omp_directive): Ditto.
	* symbol.c (gfc_add_save): Ditto.

2014-03-18  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/55207
	PR fortran/60549
	* decl.c (match_attr_spec): Revert r208590.

2014-03-18  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/58721
	* trans.c (gfc_unlikely, gfc_likely): Don't add __builtin_expect
	if !optimize.

2014-03-18  Tobias Burnus  <burnus@net-b.de>

	PR ipa/58721
	* trans.h (gfc_unlikely, gfc_likely): Add predictor as argument.
	(gfc_trans_io_runtime_check): Remove.
	* trans-io.c (gfc_trans_io_runtime_check): Make static; add has_iostat
	as argument, add predictor to block.
	(set_parameter_value, gfc_trans_open, gfc_trans_close, build_filepos,
	gfc_trans_inquire, gfc_trans_wait, build_dt): Update calls.
	* trans.c (gfc_unlikely, gfc_likely): Add predictor as argument.
	(gfc_trans_runtime_check, gfc_allocate_using_malloc,
	gfc_allocate_allocatable, gfc_deallocate_with_status): Set explicitly
	branch predictor.
	* trans-expr.c (gfc_conv_procedure_call): Ditto.
	* trans-stmt.c (gfc_trans_allocate): Ditto.
	* trans-array.c (gfc_array_init_size, gfc_array_allocate): Ditto.

2014-03-15  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/55207
	* decl.c (match_attr_spec): Variables in the main program implicitly
	get the SAVE attribute in Fortran 2008.

2014-03-14  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/60392
	* trans-array.c (gfc_conv_array_parameter): Don't reuse the descriptor
	if it has transposed dimensions.

2014-03-08  Tobias Burnus  <burnus@net-b.de>

	PR fortran/60447
	* f95-lang.c (gfc_init): Return false when only
	preprocessing.
	* options.c (gfc_post_options): Ditto.

2014-03-08  Tobias Burnus  <burnus@net-b.de>

	* gfortran.texi (Fortran 2003 Status): Mention finalization,
	deferred-length character support and input rounding.
	(Fortran 2008 Status): Mention that at termination
	signalling exceptions are shown.

2014-03-06  Paul Thomas  <pault@gcc.gnu.org>
	    Janus Weil  <janus@gcc.gnu.org>

	PR fortran/51976
	* gfortran.h (symbol_attribute): Add deferred_parameter attribute.
	* primary.c (build_actual_constructor): It is not an error if
	a missing component has the deferred_parameter attribute;
	equally, if one is given a value, it is an error.
	* resolve.c (resolve_fl_derived0): Remove error for deferred
	character length components.  Add the hidden string length
	field to the structure. Give it the deferred_parameter
	attribute.
	* trans-array.c (duplicate_allocatable): Add a strlen field
	which is used as the element size if it is non-null.
	(gfc_duplicate_allocatable, gfc_copy_allocatable_data): Pass a
	NULL to the new argument in duplicate_allocatable.
	(structure_alloc_comps): Set the hidden string length as
	appropriate. Use it in calls to duplicate_allocatable.
	(gfc_alloc_allocatable_for_assignment): When a deferred length
	backend declaration is variable, use that; otherwise use the
	string length from the expression evaluation.
	* trans-expr.c (gfc_conv_component_ref): If this is a deferred
	character length component, the string length should have the
	value of the hidden string length field.
	(gfc_trans_subcomponent_assign): Set the hidden string length
	field for deferred character length components.  Allocate the
	necessary memory for the string.
	(alloc_scalar_allocatable_for_assignment): Same change as in
	gfc_alloc_allocatable_for_assignment above.
	* trans-stmt.c (gfc_trans_allocate): Likewise.
	* trans-intrinsic (size_of_string_in_bytes): Make non-static.
	* trans-types.c (gfc_get_derived_type): Set the tree type for
	a deferred character length component.
	* trans.c (gfc_deferred_strlen): New function.
	* trans.h (size_of_string_in_bytes,gfc_deferred_strlen): New prototypes.

2014-03-01  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/60341
	* frontend-passes.c (optimize_comparison): Guard two union accesses
	with the corresponding tag checks.

2014-02-28  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/60359
	* class.c (find_intrinsic_vtab): Prevent duplicate creation of copy
	procedure for characters.

2014-02-21  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/60302
	* check.c (gfc_check_c_f_pointer): Only clear 'size' if 'gfc_array_size'
	is successful.

2014-02-21  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/60234
	* gfortran.h (gfc_build_class_symbol): Removed argument.
	* class.c (gfc_add_component_ref): Fix up missing vtype if necessary.
	(gfc_build_class_symbol): Remove argument 'delayed_vtab'. vtab is always
	delayed now, except for unlimited polymorphics.
	(comp_is_finalizable): Procedure pointer components are not finalizable.
	* decl. (build_sym, build_struct, attr_decl1): Removed argument of
	'gfc_build_class_symbol'.
	* match.c (copy_ts_from_selector_to_associate, select_type_set_tmp):
	Ditto.
	* symbol.c (gfc_set_default_type): Ditto.

2014-02-19  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/60232
	* expr.c (gfc_get_variable_expr): Don't add REF_ARRAY for dimensionful
	functions, which are used as procedure pointer target.

2014-02-18  Tobias Burnus  <burnus@net-b.de>

	PR fortran/49397
	* expr.c (gfc_check_pointer_assign): Add check for
	F2008Cor2, C729.
	* trans-decl.c (gfc_get_symbol_decl): Correctly generate external
	decl in a corner case.

2014-02-18  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/60231
	* resolve.c (check_generic_tbp_ambiguity): Check for presence of dummy
	arguments to prevent ICE.

2014-02-17  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/55907
	* resolve.c (build_default_init_expr): Don't initialize character
	variable if -fno-automatic is given.

2014-02-15  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/59599
	* trans-intrinsic.c (gfc_conv_intrinsic_ichar): Calculate the
	number of arguments.

2014-02-11  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/52370
	* trans-decl.c (gfc_build_dummy_array_decl): Set TREE_NO_WARNING
	on decl if sym->attr.optional.

2014-02-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/57522
	* resolve.c (resolve_assoc_var): Set the subref_array_pointer
	attribute for the 'associate-name' if necessary.
	* trans-stmt.c (trans_associate_var): If the 'associate-name'
	is a subref_array_pointer, assign the element size of the
	associate variable to 'span'.

2014-02-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/59026
	* trans-expr.c (gfc_conv_procedure_call): Pass the value of the
	actual argument to a formal argument with the value attribute
	in an elemental procedure.

2014-02-08  Janus Weil  <janus@gcc.gnu.org>
	    Mikael Morin <mikael.morin@gcc.gnu.org>

	PR fortran/58470
	* class.c (generate_finalization_wrapper): Assert that proc_tree has
	been set in gfc_resolve_finalizers.
	* resolve.c (resolve_fl_derived0): Remove unnecessary call to
	gfc_is_finalizable.

2014-02-07  Benno Schulenberg  <bensberg@justemail.net>

	PR translation/52289
	* fortran/resolve.c (resolve_ordinary_assign): Fix typoed word
	in an error message.

2014-02-02  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/57033
	* primary.c (gfc_convert_to_structure_constructor): Avoid null pointer
	dereference.

2014-02-01  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/59906
	* trans-stmt.c (gfc_add_loop_ss_code): In the case of character
	SS_REFERENCE, use gfc_conv_string_parameter to ensure that a
	pointer to the string is stored.
	* trans-expr.c (gfc_conv_expr_reference): Likewise, use
	gfc_conv_string_parameter to ensure that a pointer to is passed
	to the elemental function.

2014-01-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/59414
	* trans-stmt.c (gfc_trans_allocate): Before the pointer
	assignment to transfer the source _vptr to a class allocate
	expression, the final class reference should be exposed. The
	tail that includes the _data and array references is stored.
	This reduced expression is transferred to 'lhs' and the _vptr
	added. Then the tail is restored to the allocate expression.

2014-01-26  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/58007
	* module.c (read_module): Assert for component name correctness.

2014-01-18  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/58007
	* module.c (MOD_VERSION): Bump.
	(fp2, find_pointer2): Remove.
	(mio_component_ref): Don't forcedfully set the containing derived type
	symbol for loading.  Remove unused argument.
	(mio_ref): Update caller
	(mio_symbol): Dump component list earlier.
	(skip_list): New argument nest_level.  Initialize level with the new
	argument.
	(read_module): Add forced pointer components association for derived
	type symbols.

2014-01-12  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/58026
	* decl.c (gfc_match_data_decl): Improve error recovery.

2014-01-09  Tobias Burnus  <burnus@net-b.de>

	* cpp.c (gfc_cpp_handle_option): Add missing break.
	* trans-io.c (transfer_expr): Silence unused value warning.

2014-01-08  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/58182
	* resolve.c (gfc_verify_binding_labels): Modify order of checks.

2014-01-06  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/59589
	* class.c (comp_is_finalizable): New function to dermine if a given
	component is finalizable.
	(finalize_component, generate_finalization_wrapper): Use it.

2014-01-06  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/59023
	PR fortran/59662
	* resolve.c (resolve_global_procedure): Don't apply to c-binding
	procedures.
	(gfc_verify_binding_labels): Remove duplicate line.

2014-01-04  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/59547
	* class.c (add_proc_comp): Copy pure attribute.

2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

	Update copyright years

2014-01-02  Tobias Burnus  <burnus@net-b.de>

	* 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.

2014-01-02  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/59654
	* resolve.c (resolve_typebound_procedures): No need to create the vtab
	here.

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