gcc/fortran/ChangeLog

   1 2018-06-10  Janus Weil  <janus@gcc.gnu.org>
   2
   3         PR fortran/85088
   4         * decl.c (match_attr_spec): Synchronize the DECL_* enum values with the
   5         INTENT_* values from the enum 'sym_intent'. Call 'match_intent_spec'
   6         and remove a TODO note.
   7         * gfortran.h: Add a comment to sym_intent.
   8
   9 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
  10
  11         PR fortran/38351
  12         * resolve.c (resolve_operator): Provide better error message for
  13         derived type entity used in an binary intrinsic numeric operator.
  14
  15 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
  16
  17         PR fortran/85138
  18         PR fortran/85996
  19         PR fortran/86051
  20         * decl.c (gfc_match_char_spec): Use private namespace in attempt to
  21         reduce a charlen to a constant.
  22
  23 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
  24
  25         PR fortran/78278
  26         * data.c (gfc_assign_data_value): Re-arrange code to allow for
  27         an error for double initialization of CHARACTER entities.
  28
  29 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
  30
  31         PR fortran/63514
  32         * symbol.c (gfc_add_volatile): Enforce F2008:C1282 and F2018:C1588.
  33
  34 2018-06-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
  35
  36         PR fortran/85631
  37         * trans.h (gfc_ss): Add field no_bounds_check.
  38         * trans-array.c (gfc_conv_ss_startstride): If flag_realloc_lhs and
  39         ss->no_bounds_check is set, do not use runtime checks.
  40         * trans-expr.c (gfc_trans_assignment_1): Set lss->no_bounds_check
  41         for reallocatable lhs.
  42
  43 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
  44
  45         PR fortran/86059
  46         * array.c (match_array_cons_element): NULL() cannot be in an
  47         array constructor.
  48
  49 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
  50
  51         PR fortran/78571
  52         * data.c (create_character_initializer): Return early if type is
  53         incompatible with CHARACTER.
  54
  55 2018-06-07  Steven G. Kargl  <kargl@gcc.gnu.org>
  56
  57         PR fortran/86045
  58         * simplify.c (gfc_simplify_mod): Re-arrange code to test whether
  59         'P' is zero and issue an error if it is.
  60
  61 2018-06-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
  62
  63         PR fortran/85641
  64         * frontend-passes.c (is_fe_temp): Add prototype.
  65         (realloc_string_callback): Early return for frontend-generated
  66         temporary.
  67
  68 2018-06-05  Cesar Philippidis  <cesar@codesourcery.com>
  69
  70         PR fortran/85701
  71
  72         * openmp.c (gfc_resolve_oacc_declare): Error on functions and
  73         subroutine data clause arguments.
  74
  75 2018-06-04  Steven G. Kargl  <kargl@gcc.gnu.org>
  76
  77         PR fortran/85981
  78         * resolve.c (resolve_allocate_deallocate): Check errmsg is default
  79         character kind.
  80
  81 2018-06-03  Paul Thomas  <pault@gcc.gnu.org>
  82
  83         PR fortran/36497
  84         * decl.c (variable_decl): Use gfc_add_type for cray pointees.
  85
  86 2018-06-01  Steven G. Kargl  <kargl@gcc.gnu.org>
  87
  88         PR fortran/63570
  89         * check.c (gfc_check_random_init): New function. Check arguments of
  90         RANDOM_INIT.
  91         * gfortran.h (GFC_ISYM_RANDOM_INIT): New enum token.
  92         * intrinsic.c (add_subroutines): Add RANDOM_INIT to list of
  93         subroutines.
  94         (gfc_check_intrinsic_standard): Introduce Fortran 2018 check.
  95         * intrinsic.h: Add prototypes for gfc_check_random_init and
  96         gfc_resolve_random_init
  97         * intrinsic.texi: Document new intrinsic subprogram.
  98         * iresolve.c (gfc_resolve_random_init): Resolve routine name.
  99         * trans-decl.c: Declare gfor_fndecl_random_init
 100         * trans-intrinsic.c (conv_intrinsic_random_init): New function.
 101         Translate call to RANDOM_INIT.
 102         (gfc_conv_intrinsic_subroutine): Call it.
 103         * trans.h: Declare gfor_fndecl_random_init
 104
 105 2018-05-27  Steven G. Kargl  <kargl@gcc.gnu.org>
 106
 107         * decl.c (match_data_constant):  Fortran 2018 allows pointer
 108         initialization in a data statement.
 109
 110 2018-05-25  Janus Weil  <janus@gcc.gnu.org>
 111
 112         PR fortran/85839
 113         * match.c (gfc_match_block_data): Call gfc_notify_std to warn about
 114         an obsolescent feature in Fortran 2018.
 115         (gfc_match_equivalence): Ditto.
 116         * resolve.c (resolve_common_blocks): Ditto.
 117         (gfc_resolve_forall): Ditto.
 118         * symbol.c (gfc_define_st_label): Ditto.
 119
 120 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 121
 122         PR fortran/85543
 123         * resolve.c (update_current_proc_array_outer_dependency): Avoid NULL
 124         pointer dereference.
 125
 126 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 127
 128         PR fortran/85780
 129         * resolve.c (resolve_fl_procedure): Avoid NULL dereference.
 130
 131 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 132
 133         PR fortran/85779
 134         * decl.c (gfc_match_derived_decl): Fix NULL point dereference.
 135
 136 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 137
 138         PR fortran/85895
 139         * resolve.c (resolve_sync): Resolve expression before checking for
 140         an error.
 141
 142 2018-05-22  Janus Weil  <janus@gcc.gnu.org>
 143
 144         PR fortran/85841
 145         * libgfortran.h: Remove the macros GFC_STD_F2008_TS and
 146         GFC_STD_OPT_F08TS.
 147         * error.c (notify_std_msg): Remove GFC_STD_F2008_TS.
 148         * options.c (set_default_std_flags): Ditto.
 149         (gfc_handle_option): Make -std=f2008ts an alias for -std=f2018.
 150         * array.c (gfc_match_array_spec): Replace GFC_STD_F2008_TS by
 151         GFC_STD_F2018.
 152         * check.c (gfc_check_atomic, gfc_check_event_query,
 153         gfc_check_c_f_pointer, gfc_check_c_f_procpointer, gfc_check_c_funloc,
 154         gfc_check_c_loc, gfc_check_num_images, gfc_check_this_image): Ditto.
 155         * decl.c (gfc_verify_c_interop_param, gfc_match_decl_type_spec): Ditto.
 156         * intrinsic.c (add_functions, add_subroutines,
 157         gfc_check_intrinsic_standard): Ditto.
 158         * iso-c-binding.def: Ditto.
 159         * iso-fortran-env.def: Ditto.
 160         * match.c (gfc_match_event_post, gfc_match_event_wait,
 161         gfc_match_fail_image, gfc_match_form_team, gfc_match_change_team,
 162         gfc_match_end_team, gfc_match_sync_team): Ditto.
 163         * gfortran.texi: Remove mention of -std=f2008ts.
 164         Move TSs into F2018 section.
 165         * invoke.texi: Update documentation of -std=f2008ts.
 166
 167 2018-05-21  Janus Weil  <janus@gcc.gnu.org>
 168
 169         PR fortran/85841
 170         * libgfortran.h: New macros GFC_STD_OPT_*.
 171         * error.c (notify_std_msg): New function.
 172         (gfc_notify_std): Adjust such that it can handle combinations of
 173         GFC_STD_* flags in the 'std' argument, not just a single one.
 174         * match.c (match_arithmetic_if, gfc_match_if): Reject arithmetic if
 175         in Fortran 2018.
 176         (gfc_match_stopcode): Use GFC_STD_OPT_* macros.
 177         * options.c (set_default_std_flags): Warn for F2018 deleted features
 178         by default.
 179         (gfc_handle_option): F2018 deleted features are allowed in earlier
 180         standards.
 181         * symbol.c (gfc_define_st_label, gfc_reference_st_label): Reject
 182         nonblock do constructs in Fortran 2018.
 183
 184 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 185
 186         PR fortran/80657
 187         * resolve.c (flag_fn_result_spec): Use the 'sym' argument to
 188         test for self refs to the function result in the character len
 189         expression. If a self reference is found, emit an error and
 190         return true.
 191         (resolve_fntype): Use the function symbol in the calls to the
 192         above.
 193
 194 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 195
 196         PR fortran/49636
 197         * trans-array.c (gfc_get_array_span): Renamed from
 198         'get_array_span'.
 199         (gfc_conv_expr_descriptor): Change references to above.
 200         * trans-array.h : Add prototype for 'gfc_get_array_span'.
 201         * trans-intrinsic.c (gfc_conv_associated): Add pre and post
 202         blocks for 'arg1'.
 203         * trans-stmt.c (trans_associate_var): If the associate name is
 204         a subref array pointer, use gfc_get_array_span for the span.
 205
 206 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 207
 208         PR fortran/82275
 209         * match.c (gfc_match_type_spec): Go through the array ref and
 210         decrement 'rank' for every dimension that is an element.
 211
 212 2018-05-19  Paul Thomas  <pault@gcc.gnu.org>
 213
 214         PR fortran/82923
 215         PR fortran/66694
 216         PR fortran/82617
 217         * trans-array.c (gfc_alloc_allocatable_for_assignment): Set the
 218         charlen backend_decl of the rhs expr to ss->info->string_length
 219         so that the value in the current scope is used.
 220
 221 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 222
 223         PR fortran/63529
 224         * gfortran.texi: Clarify documentation for Cray pointer and
 225         assumed-sized array.
 226
 227 2018-05-13  Paul Thomas  <pault@gcc.gnu.org>
 228
 229         PR fortran/85742
 230         * trans-types.c (gfc_get_dtype_rank_type): Reorder evaluation
 231         of 'size'. If the element type is a pointer use the size of the
 232         TREE_TYPE of the type, unless it is VOID_TYPE. In this latter
 233         case, set the size to zero.
 234
 235 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 236
 237         * gfortran.h: Remove prototype.
 238         * symbol.c (gfc_new_undo_checkpoint): Remove unused function.
 239
 240 2018-05-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 241
 242         PR fortran/85542
 243         * expr.c (check_inquiry): Avoid NULL pointer dereference.
 244
 245 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 246
 247         PR fortran/85687
 248         * check.c (gfc_check_rank): Check that the argument is a data object.
 249
 250 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 251
 252         PR fortran/85521
 253         * array.c (gfc_resolve_character_array_constructor): Substrings
 254         with upper bound smaller than lower bound are zero length strings.
 255
 256 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 257
 258         PR fortran/70870
 259         * data.c (gfc_assign_data_value): Check that a data object does
 260         not also have default initialization.
 261
 262 2018-05-10  Marek Polacek  <polacek@redhat.com>
 263
 264         PR fortran/85735
 265         * options.c (gfc_post_options): Set main_input_filename.
 266
 267 2018-05-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 268
 269         PR fortran/54613
 270         * intrinsic.texi: Document BACK for MINLOC and MAXLOC.
 271
 272 2018-05-10  Paul Thomas  <pault@gcc.gnu.org>
 273
 274         PR fortran/68846
 275         PR fortran/70864
 276         * resolve.c (get_temp_from_expr): The temporary must not have
 277         dummy or intent attributes.
 278
 279 2018-05-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 280
 281         PR fortran/54613
 282         * check.c (gfc_check_minmaxloc): Remove error for BACK not being
 283         implemented.  Use gfc_logical_4_kind for BACK.
 284         * simplify.c (min_max_choose): Add optional argument back_val.
 285         Handle it.
 286         (simplify_minmaxloc_to_scalar): Add argument back_val. Pass
 287         back_val to min_max_choose.
 288         (simplify_minmaxloc_to_nodim): Likewise.
 289         (simplify_minmaxloc_to_array): Likewise.
 290         (gfc_simplify_minmaxloc): Add argument back, handle it.
 291         Pass back_val to specific simplification functions.
 292         (gfc_simplify_minloc): Remove ATTRIBUTE_UNUSED from argument back,
 293         pass it on to gfc_simplify_minmaxloc.
 294         (gfc_simplify_maxloc): Likewise.
 295         * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Adjust
 296         comment. If BACK is true, use greater or equal (or lesser or
 297         equal) insteal of greater (or lesser). Mark the condition of
 298         having found a value which exceeds the limit as unlikely.
 299
 300 2018-05-07  Jeff Law  <law@redhat.comg>
 301
 302         * scanner.c (preprocessor_line): Call linemap_add after a line
 303         directive that changes the current filename.
 304
 305 2018-05-06  Andre Vehreschild  <vehre@gcc.gnu.org>
 306
 307         PR fortran/85507
 308         * dependency.c (gfc_dep_resolver): Revert looking at coarray dimension
 309         introduced by r259385.
 310         * trans-intrinsic.c (conv_caf_send): Always report a dependency for
 311         same variables in coarray assignments.
 312
 313 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 314
 315         PR libgomp/82428
 316         * f95-lang.c (DEF_GOACC_BUILTIN_ONLY): Define.
 317
 318 2018-04-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 319
 320         PR fortran/85520
 321         * decl.c (gfc_match_char_spec): Check for negative length and set to 0.
 322
 323 2018-04-14  Andre Vehreschild  <vehre@gcc.gnu.org>
 324
 325         PR fortran/81773
 326         PR fortran/83606
 327         * dependency.c (gfc_dep_resolver): Coarray indexes are to be ignored
 328         during dependency computation.  They define no data dependency.
 329         * trans-array.c (conv_array_index_offset): The stride can not be set
 330         here, prevent fail.
 331         * trans-intrinsic.c (conv_caf_send): Add creation of temporary array
 332         for caf_get's result and copying to the array with vectorial
 333         indexing.
 334
 335 2018-04-14  Thomas Koenig  <tkoenig@gcc.gnu.org>
 336
 337         PR fortran/85387
 338         * frontend-passes.c (traverse_io_block): Check for start, end or
 339         stride being defined by an outer implied DO loop.
 340
 341 2018-04-12  Thomas Koenig  <tkoenig@gcc.gnu.org>
 342
 343         PR fortran/83064
 344         PR testsuite/85346
 345         * trans-stmt.c (gfc_trans_forall_loop): Use annot_expr_ivdep_kind
 346         for annotation and remove dependence on -ftree-parallelize-loops.
 347
 348 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
 349
 350         PR fortran/85313
 351         * openmp.c (resolve_omp_do): Remove bogus if (j < i) break;.
 352         (resolve_oacc_nested_loops): Likewise.  Formatting fix.
 353
 354 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 355
 356         PR fortran/83064
 357         * trans-stmt.c (gfc_trans_forall_loop): Remove annotation for
 358         parallell processing of DO CONCURRENT -ftree-parallelize-loops
 359         is set.
 360
 361 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 362
 363         PR fortran/51260
 364         * resolve.c (resolve_variable): Simplify cases where access to a
 365         parameter array results in a single constant.
 366
 367 2018-04-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 368
 369         PR fortran/85102
 370         * decl.c (variable_decl): If upper or lower bounds simplify
 371         to a constant, use that.
 372
 373 2018-03-30  Paul Thomas  <pault@gcc.gnu.org>
 374
 375         PR fortran/84931
 376         * simplify.c (gfc_convert_constant): Handle case of array
 377         constructors within an array that has no iterator and improve
 378         the conciseness of this section of code.
 379
 380 2017-03-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
 381
 382         PR fortran/85111
 383         * array.c (gfc_resolve_character_array_constructor): Early
 384         exit for zero-size arrays.
 385         * simplify.c (simplify_transformation_to_array): Exit early
 386         if the result size is zero.
 387         (simplify_minmaxloc_to_array): Likewise.
 388
 389 2018-03-28  Mikael Morin  <mikael@gcc.gnu.org>
 390
 391         PR fortran/69497
 392         * symbol.c (gfc_symbol_done_2): Start freeing namespaces
 393         from the root.
 394         (gfc_free_namespace): Restore assert (revert r258839).
 395
 396 2018-03-28  Jakub Jelinek  <jakub@redhat.com>
 397
 398         * gfortran.h (gfc_dt): Rename default_exp field to dec_ext.
 399         * ioparm.def (IOPARM_dt_default_exp): Rename to ...
 400         (IOPARM_dt_dec_ext): ... this.
 401         * trans-io.c (build_dt): Adjust for default_exp renaming to
 402         dec_ext and IOPARM_dt_default_exp renaming to IOPARM_dt_dec_ext.
 403         * io.c (match_io): Likewise.
 404
 405 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 406
 407         PR fortran/85084
 408         * frontend-passes.c (gfc_run_passes): Do not run front-end
 409         optimizations if a previous error occurred.
 410
 411 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 412         Harald Anlauf  <anlauf@gmx.de>
 413
 414         PR fortran/85083
 415         * primary.c (gfc_convert_to_structure_constructor): Check
 416         conformance of argument types in structure constructor.
 417
 418 2018-03-26  Thomas Koenig  <tkoenig@gcc.gnu.org>
 419
 420         PR fortran/66709
 421         * io.c: Include constructor.h.
 422         (resolve_tag_format): For a constant character array, concatenate
 423         into a single character expression.
 424
 425 2018-03-25  Seth Johnson <johnsonsr@ornl.gov>
 426         Dominique d'Humieres  <dominiq@gcc.gnu.org>
 427
 428         PR fortran/84924
 429         * check.c (gfc_check_c_f_pointer): Allow scalar noninteroperable
 430         scalar derived type with -std=f2003 and -std=f2008.
 431
 432 2018-03-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 433             Dominique d'Humieres  <dominiq@gcc.gnu.org>
 434
 435         PR fortran/69497
 436         * symbol.c (gfc_free_namespace): Delete the assert and only if
 437         refs count is equals zero, free the namespace. Otherwise,
 438         something is halfway and other errors will resound.
 439
 440 2018-03-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
 441
 442         PR fortran/70068
 443         * expr.c (find_substring_ref): Change types of start, end
 444         and length variables to gfc_charlen_t. Set length to zero
 445         for empty substring.
 446
 447 2018-03-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 448
 449         PR fortran/42651
 450         * decl.c (check_function_name): Improved error message
 451         (gfc_match_volatile, gfc_match_asynchronous) Use check_function_name.
 452
 453 2018-03-22  Steven G. Kargl  <kargl@gcc.gnu.org>
 454
 455         PR fortran/84922
 456         * decl.c (get_proc_name): If the MODULE prefix appears in interface
 457         body, then it must appear on the contained subroutine or function.
 458         While here, fix nearby mis-indented code.
 459
 460 2018-03-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 461         Harald Anlauf  <anlauf@gmx.de>
 462
 463         PR fortran/84957
 464         * trans-types.c (gfc_sym_type): Do not dereference NULL pointer.
 465
 466 2018-03-21  Janne Blomqvist  <jb@gcc.gnu.org>
 467
 468         PR fortran/84615
 469         * trans-expr.c (gfc_conv_procedure_call): Convert charlen to
 470         gfc_charlen_type_node when calling procedure.
 471
 472 2018-03-20  Steven G. Kargl  <kargl@gcc.gnu.org>
 473
 474         PR fortran/85001
 475         * interface.c (symbol_rank): Remove bogus null pointer check that
 476         crept in when translating a ternary operator into an if-else
 477         constructor.
 478
 479 2018-03-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 480
 481         PR fortran/84931
 482         * simplify.c (gfc_convert_constant): Correctly handle iterators
 483         for type conversion.
 484
 485 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 486
 487         PR fortran/77414
 488         * decl.c (get_proc_name):  Check for a subroutine re-defined in
 489         the contain portion of a subroutine.  Change language of existing
 490         error message to better describe the issue. While here fix whitespace
 491         issues.
 492
 493 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 494
 495         PR fortran/65453
 496         * decl.c (get_proc_name): Catch clash between a procedure statement
 497         and a contained subprogram
 498
 499 2018-03-16  Steven G. Kargl  <kargl@gcc.gnu.org>
 500
 501         PR fortran/69395
 502         * decl.c (merge_array_spec): Correct the error condition.
 503
 504 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 505
 506         PR fortran/78741
 507         * decl.c (get_proc_name):  Check for clash of entry name with
 508         subroutine name.
 509
 510 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 511
 512         PR fortran/69395
 513         * decl.c (merge_array_spec): Limit the merging to maximum allowed
 514         dimensions, and issue error message if limit is exceeded.
 515
 516 2018-03-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 517
 518         * check.c (gfc_check_kill_sub):  Remove check for INTEGER(4) or (8).
 519         * intrinsic.c (add_functions): Remove reference to gfc_resolve_kill.
 520         (add_subroutines): Remove reference to gfc_resolve_kill_sub.
 521         * intrinsic.texi: Update documentation.
 522         * iresolve.c (gfc_resolve_kill, gfc_resolve_kill_sub): Remove.
 523         * trans-decl.c (gfc_build_intrinsic_function_decls):  Add
 524         gfor_fndecl_kill and gfor_fndecl_kill_sub
 525         * trans-intrinsic.c (conv_intrinsic_kill, conv_intrinsic_kill_sub): new
 526         functions.
 527         (gfc_conv_intrinsic_function): Use conv_intrinsic_kill.
 528         (gfc_conv_intrinsic_subroutine): Use conv_intrinsic_kill_sub.
 529         * trans.h: Declare gfor_fndecl_kill and gfor_fndecl_kill_sub.
 530
 531 2018-03-11  Paul Thomas  <pault@gcc.gnu.org>
 532
 533         PR fortran/84546
 534         * trans-array.c (structure_alloc_comps): Make sure that the
 535         vptr is copied and that the unlimited polymorphic _len is used
 536         to compute the size to be allocated.
 537         * trans-expr.c (gfc_get_class_array_ref): If unlimited, use the
 538         unlimited polymorphic _len for the offset to the element.
 539         (gfc_copy_class_to_class): Set the new 'unlimited' argument.
 540         * trans.h : Add the boolean 'unlimited' to the prototype.
 541
 542 2018-03-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 543
 544         PR fortran/83939
 545         * resolve.c (resolve_fl_procedure): Enforce F2018:C15100.
 546
 547 2018-03-11  Steven G. Kargl  <kargls@gcc.gnu.org>
 548
 549         * check.c (gfc_check_kill):  Check pid and sig are scalar.
 550         (gfc_check_kill_sub): Restrict kind to 4 and 8.
 551         * intrinsic.c (add_function): Sort keyword list.  Add pid and sig
 552         keywords for KILL.  Remove redundant *back="back" in favor of the
 553         original *bck="back".
 554         (add_subroutines): Sort keyword list.  Add pid and sig keywords
 555         for KILL.
 556         * intrinsic.texi: Fix documentation to consistently use pid and sig.
 557         * iresolve.c (gfc_resolve_kill): Kind can only be 4 or 8.  Choose the
 558         correct function.
 559         (gfc_resolve_rename_sub): Add comment.
 560
 561 2018-03-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
 562
 563         PR fortran/66128
 564         * simplify.c (simplify_transformation): Return default result for
 565         empty array argument.
 566         (gfc_simplify_all): Remove special-case handling for zerosize.
 567         (gfc_simplify_any): Likewise.
 568         (gfc_simplify_count): Likewise.
 569         (gfc_simplify_iall): Likewise.
 570         (gfc_simplify_iany): Likewise.
 571         (gfc_simplify_iparity): Likewise.
 572         (gfc_simplify_minval): Likewise.
 573         (gfc_simplify_maxval): Likewise.
 574         (gfc_simplify_norm2): Likewise.
 575         (gfc_simplify_product): Likewise.
 576         (gfc_simplify_sum): Likewise.
 577
 578 2018-03-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 579
 580         PR fortran/84734
 581         * arith.c (check_result, eval_intrinsic):  If result overflows, pass
 582         the expression up the chain instead of a NULL pointer.
 583
 584 2018-03-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 585
 586         PR fortran/64124
 587         PR fortran/70409
 588         * decl.c (gfc_match_char_spec): Try to reduce a charlen to a constant.
 589
 590 2017-03-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 591
 592         PR fortran/84697
 593         PR fortran/66128
 594         * expr.c (simplify_parameter_variable): If p is a size zero array
 595         and not an ARRAY_EXPR insert an empty array constructor and
 596         return.
 597         * gfortran.h: Add prototype for gfc_is_size_zero_array.
 598         * simplify.c (is_size_zero_array): Make non-static and rename into
 599         (gfc_is_size_zero_array):  Check for parameter arrays of zero
 600         size by comparing shape and absence of constructor.
 601         (gfc_simplify_all): Use gfc_is_size_zero_array instead of
 602         is_size_zero_array.
 603         (gfc_simplify_count): Likewise.
 604         (gfc_simplify_iall): Likewise.
 605         (gfc_simplify_iany): Likewise.
 606         (gfc_simplify_iparity): Likewise.
 607         (gfc_simplify_minval): Likewise.
 608         (gfc_simplify_maxval): Likewise.
 609         (gfc_simplify_product): Likewise.
 610         (gfc_simplify_sum): Likewise.
 611
 612 2018-03-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 613
 614         PR fortran/56667
 615         * primary.c (match_sym_complex_part): Give the matcher for an implied
 616         do-loop a chance to run.
 617
 618 2018-03-03  Harald Anlauf  <anlauf@gmx.de>
 619
 620         PR fortran/71085
 621         * trans-expr.c (gfc_apply_interface_mapping_to_expr): Do not
 622         dereference NULL pointer.
 623
 624 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
 625
 626         PR fortran/66128
 627         * simplify.c (is_size_zero_array): New function to check for size
 628         zero array.
 629         (gfc_simplify_all, gfc_simplify_any, gfc_simplify_count,
 630          gfc_simplify_iall, gfc_simplify_iany, gfc_simplify_iparity,
 631          gfc_simplify_minval, gfc_simplify_maxval, gfc_simplify_norm2,
 632          gfc_simplify_product, gfc_simplify_sum): Use it, and implement
 633         requirements from F2018.
 634
 635 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
 636
 637         PR fortran/51434
 638         * simplify.c (gfc_simplify_transfer): Resolve mold.
 639
 640 2018-03-03  Paul Thomas  <pault@gcc.gnu.org>
 641
 642         PR fortran/80965
 643         * resolve.c (build_loc_call): Change symtree name from 'loc' to
 644         '_loc'.
 645
 646 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
 647
 648         PR fortran/84219
 649         * target-memory.c (gfc_interpret_derived): Assert that BT_VOID
 650         components are caf tokens.
 651         (gfc_target_interpret_expr): Treat BT_VOID expressions as
 652         integers.
 653
 654 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
 655
 656         PR fortran/84538
 657         * class.c (class_array_ref_detected): Remove the condition that
 658         there be no reference after the array reference.
 659         (find_intrinsic_vtab): Remove excess whitespace.
 660         * trans-array.c (gfc_conv_scalarized_array_ref): Rename 'tmp'
 661         as 'base and call build_class_array_ref earlier.
 662
 663 2018-02-28  Paul Thomas  <pault@gcc.gnu.org>
 664
 665         PR fortran/83901
 666         * trans-stmt.c (trans_associate_var): Make sure that the se
 667         expression is a pointer type before converting it to the symbol
 668         backend_decl type.
 669
 670 2018-02-25  Steven G. Kargl  <kargl@gcc.gnu.org>
 671
 672         PR fortran/83633
 673         * decl.c (variable_decl): Check that an explicit-shape-array with
 674         nonconstant bounds is allowed.
 675
 676 2018-02-25  Paul Thomas  <pault@gcc.gnu.org>
 677
 678         PR fortran/84523
 679         * trans-intrinsic.c (gfc_conv_allocated): If the argument se
 680         has a pre block, add it to the expression pre block.
 681
 682 2018-02-25  Thomas Koenig  <tkoenig@gcc.gnu.org>
 683
 684         PR fortran/78238
 685         * gfortran.h (gfc_integer_4_kind): Define.
 686         * resolve.c (resolve_select_type): Make sure that the
 687         kind of c->high is gfc_integer_4_kind.
 688
 689 2018-02-24  Steven G. Kargl <kargl@gcc.gnu.org>
 690
 691         PR fortran/30792
 692         * decl.c (gfc_match_data): Check for invalid substring in
 693         data-implied-do
 694
 695 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
 696
 697         * intrinsic.texi: Arguments to MATMUL cannot both be rank one.
 698
 699 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
 700
 701         PR fortran/84511
 702         * trans-io.c (transfer_expr): Deal with C_LOC in transfer statement.
 703
 704 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
 705
 706         PR fortran/84346
 707         * interface.c (compare_actual_formal): Issue error if keyword is
 708         used in a statement function.
 709
 710 2018-02-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 711
 712         PR fortran/84506
 713         * trans-io.c (set_parameter_value_inquire): Adjust range check of
 714         negative unit values for kind=8 units to the kind=4 negative limit.
 715
 716 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
 717
 718         PR fortran/83149
 719         * trans-types.c (gfc_sym_type): Test sym->ns->proc_name before
 720         accessing its components.
 721
 722 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
 723
 724         PR fortran/83149
 725         * trans-decl.c (gfc_finish_var_decl): Test sym->ns->proc_name
 726         before accessing its components.
 727
 728 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
 729
 730         PR fortran/83148
 731         * trans-const.c : Clean up some whitespace issues.
 732         * trans-expr.c (gfc_conv_initializer): If an iso_c_binding
 733         derived type has a kind value of zero, set it to the default
 734         integer kind.
 735
 736 2018-02-23  Janne Blomqvist  <jb@gcc.gnu.org>
 737
 738         PR fortran/84519
 739         * trans-decl.c (gfc_build_builtin_function_decls): Add bool
 740         argument to stop and error stop decls.
 741         * trans-stmt.c (gfc_trans_stop): Add false value to argument
 742         lists.
 743
 744 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
 745
 746         PR 78534
 747         PR 84509
 748         * trans-decl.c (gfc_build_builtin_function_decls): Pass
 749         gfc_int8_type node to pause_numeric, size_type_node to
 750         pause_string.
 751         * trans-stmt.c (gfc_trans_pause): Likewise.
 752
 753 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
 754
 755         * gfortran.texi: Update Coarray API description.
 756         * trans-decl.c (gfc_build_builtin_function_decls): Use size_t for
 757         character lengths, int for exit codes.
 758         (generate_coarray_sym_init): Use size_t for character length.
 759         * trans-intrinsic.c (conv_co_collective): Likewise.
 760         * trans-stmt.c (gfc_trans_lock_unlock): Likewise.
 761         (gfc_trans_event_post_wait): Likewise.
 762         (gfc_trans_sync): Likewise.
 763         (gfc_trans_stop): Use size_t for character lengths, int for exit
 764         codes.
 765
 766 2018-02-20  Thomas Koenig  <tkoenig@gcc.gnu.org>
 767
 768         PR fortran/48890
 769         PR fortran/83823
 770         * primary.c (gfc_convert_to_structure_constructor):
 771         For a constant string constructor, make sure the length
 772         is correct.
 773
 774 2018-02-19  Paul Thomas  <pault@gcc.gnu.org>
 775
 776         PR fortran/83344
 777         PR fortran/83975
 778         * resolve.c (resolve_assoc_var): Rearrange the logic for the
 779         determination of the character length of associate names. If
 780         the associate name is missing a length expression or the length
 781         expression is not a constant and the target is not a variable,
 782         make the associate name allocatable and deferred length.
 783         * trans-decl.c (gfc_get_symbol_decl): Null the character length
 784         backend_decl for deferred length associate names that are not
 785         variables. Set 'length' to gfc_index_zero_node for character
 786         associate names, whose character length is a PARM_DECL.
 787
 788 2018-02-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 789
 790         PR fortran/35339
 791         * frontend-passes.c (traverse_io_block): Remove workaround for
 792         PR 80945.
 793
 794 2018-02-19  Andre Vehreschild  <vehre@gcc.gnu.org>
 795
 796         * gfortran.texi: Document additional src/dst_type.  Fix some typos.
 797         * trans-decl.c (gfc_build_builtin_function_decls): Declare the new
 798         argument of _caf_*_by_ref () with * e { get, send, sendget }.
 799         * trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Add the type of the
 800         data referenced when generating a call to caf_get_by_ref ().
 801         (conv_caf_send): Same but for caf_send_by_ref () and
 802         caf_sendget_by_ref ().
 803
 804 2018-02-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 805
 806         PR fortran/84389
 807         * io.c (check_format): Allow FMT_COLON.
 808
 809 2018-02-18  Paul Thomas  <pault@gcc.gnu.org>
 810
 811         PR fortran/80945
 812         * trans-array.c (gfc_conv_expr_descriptor): Set parmtype from
 813         the typenode in the case of deferred length characters.
 814
 815 2018-02-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
 816
 817         PR fortran/84270
 818         * frontend-passes (scalarized_expr):  If the expression
 819         is an assumed size array, leave in the last reference
 820         and pass AR_SECTION instead of AR_FULL to gfc_resolve
 821         in order to avoid an error.
 822
 823 2018-02-17  Paul Thomas  <pault@gcc.gnu.org>
 824
 825         PR fortran/84115
 826         * resolve.c (resolve_assoc_var): If a non-constant target expr.
 827         has no string length expression, make the associate variable
 828         into a deferred length, allocatable symbol.
 829         * trans-decl.c (gfc_is_reallocatable_lhs): Add and use a ptr to
 830         the symbol.
 831         * trans-stmt.c (trans_associate_var): Null and free scalar
 832         associate names that are allocatable. After assignment, remove
 833         the allocatable attribute to prevent reallocation.
 834
 835 2018-02-16  Jakub Jelinek  <jakub@redhat.com>
 836
 837         PR fortran/84418
 838         * trans-openmp.c (gfc_trans_omp_clauses): For OMP_CLAUSE_LINEAR_REF
 839         kind set OMP_CLAUSE_LINEAR_STEP to TYPE_SIZE_UNIT times last_step.
 840
 841 2018-02-16  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 842
 843         PR fortran/84354
 844         * decl.c (gfc_get_pdt_instance): Replace '%qs' with %qs.
 845
 846 2018-02-15  Janus Weil  <janus@gcc.gnu.org>
 847
 848         PR fortran/84409
 849         * interface.c (check_dtio_arg_TKR_intent): Add a check for character
 850         length.
 851
 852 2018-02-14  Janus Weil  <janus@gcc.gnu.org>
 853
 854         PR fortran/84385
 855         * match.c (gfc_match_select_type): Fix check for selector in
 856         SELECT TYPE statement.
 857
 858 2018-02-13  Janus Weil  <janus@gcc.gnu.org>
 859
 860         PR fortran/84313
 861         * symbol.c (check_conflict): Reject procedure pointers in common blocks.
 862
 863 2018-02-13  Alastair McKinstry  <alastair.mckinstry@sceal.ie>
 864             Janne Blomqvist  <jb@gcc.gnu.org>
 865
 866         * module.c (dump_module): Use lbasename to ensure that module
 867         files are reproducible.
 868
 869 2018-02-12  Janus Weil  <janus@gcc.gnu.org>
 870
 871         PR fortran/84273
 872         * resolve.c (resolve_component): Fix checks of passed argument in
 873         procedure-pointer components.
 874
 875 2018-02-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 876
 877         PR fortran/35299
 878         * resolve.c (resolve_formal_arglist): Update error message.
 879
 880 2018-02-11  Andre Vehreschild  <vehre@gcc.gnu.org>
 881
 882         * gfortran.texi: Fix typos in documentation of caf_register ().
 883         * trans-array.c (structure_alloc_comps): Only register a component of
 884         a derived typed corray, not of an ultimate component coarray.
 885
 886 2018-02-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 887
 888         PR fortran/54223
 889         PR fortran/84276
 890         * interface.c (compare_actual_formal): Add in_statement_function
 891         bool parameter.  Skip check of INTENT attribute for statement
 892         functions.  Arguments to a statement function cannot be optional,
 893         issue error for missing argument.
 894         (gfc_procedure_use, gfc_ppc_use, gfc_arglist_matches_symbol): Use
 895          in_statement_function.
 896
 897 2018-02-11  Paul Thomas  <pault@gcc.gnu.org>
 898
 899         PR fortran/84074
 900         * trans-expr.c (gfc_conv_derived_to_class): Set the use_offset
 901         flag. If the is a vector subscript or the expression is not a
 902         variable, make the descriptor one-based.
 903
 904 2018-02-10  Paul Thomas  <pault@gcc.gnu.org>
 905
 906         PR fortran/84141
 907         PR fortran/84155
 908         * trans-array.c (gfc_array_init_size): Revert the change made
 909         in revision 257356 setting the dtype.
 910         * trans-types.c (gfc_get_dtype): Do not use the cached dtype.
 911         Call gfc_get_dtype_rank_type every time.
 912
 913         PR fortran/56691
 914         * trans-array.c (gfc_conv_expr_descriptor): If the source array
 915         is a descriptor type, use its offset, removing the condition
 916         that is be a class expression.
 917
 918 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 919
 920         PR fortran/82994
 921         * match.c (gfc_match_deallocate): Check for NULL pointer.
 922
 923 2018-02-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
 924
 925         PR fortran/68560
 926         * trans-intrinsic.c (gfc_conv_intrinsic_shape): New function.
 927         (gfc_conv_intrinsic_function): Call it.
 928
 929 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 930
 931         PR fortran/82049
 932         * match.c (gfc_match_type_spec): If the charlen is non-NULL, then
 933         try to resolve it.  While here return early if possible.
 934
 935 2018-02-04  Paul Thomas  <pault@gcc.gnu.org>
 936
 937         PR fortran/84115
 938         * trans-decl.c (gfc_get_symbol_decl): Do not finish the decl of
 939         'length' if the symbol charlen backend_decl is an indirect ref.
 940
 941 2018-02-03  Paul Thomas  <pault@gcc.gnu.org>
 942
 943         PR fortran/84141
 944         PR fortran/84155
 945         * trans-array.c (gfc_array_init_size): Instead of gfc_get_dtype
 946         use gfc_get_dtype_rank_type.
 947
 948 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
 949
 950         PR 83975
 951         PR 83344
 952         * resolve.c (resolve_assoc_var): Generate an error if
 953         target length unknown.
 954
 955 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
 956
 957         PR fortran/83705
 958         * simplify.c (gfc_simplify_repeat): Increase limit for deferring
 959         to runtime, print a warning message.
 960
 961 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
 962
 963         PR fortran/84116
 964         * openmp.c (gfc_match_omp_clauses): If all the linear
 965         gfc_match_omp_variable_list calls failed, don't gfc_free_omp_namelist
 966         nor set *head = NULL.  Formatting fixes.
 967
 968 2018-01-31  Paul Thomas  <pault@gcc.gnu.org>
 969
 970         PR fortran/84088
 971         * trans-expr.c (gfc_conv_procedure_call): If the parm expr is
 972         an address expression passed to an assumed rank dummy, convert
 973         to an indirect reference.
 974
 975 2018-01-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
 976
 977         * dump-parse-tree.c (write_proc): Use sym_name (which may
 978         be sym->binding_label) instead of sym->name.
 979
 980 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
 981
 982         * trans-const.c (gfc_conv_string_init): Use gfc_charlen_t instead
 983         of int for slen.
 984
 985 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
 986
 987         PR fortran/78534
 988         * trans-expr.c (fill_with_spaces): Use memset instead of
 989         generating loop.
 990         (gfc_trans_string_copy): Improve opportunity to use builtins with
 991         constant lengths.
 992
 993 2018-01-30  Jakub Jelinek  <jakub@redhat.com>
 994
 995         PR debug/84131
 996         * trans-array.c (gfc_get_descriptor_offsets_for_info): Set *data_off
 997         to DATA_FIELD's offset rather than OFFSET_FIELD's offset.
 998
 999 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1000
1001         PR fortran/84134
1002         * array.c (gfc_ref_dimen_size): Whitespace fixes.  If stride is
1003         zero, return false.
1004
1005 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1006
1007         PR fortran/84133
1008         * frontend-passes (matmul_to_var_expr): Return early if
1009         in association list.
1010         (inline_matmul_assign): Likewise.
1011
1012 2017-01-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
1013
1014         PR fortran/84073
1015         * resolve.c (resolve_component): Ensure BIND(C) character
1016         components have length one.
1017         (resolve_symbol): Likewise for variables.
1018
1019 2018-01-27  Jakub Jelinek  <jakub@redhat.com>
1020
1021         PR fortran/84065
1022         * decl.c (add_init_expr_to_sym): Ignore initializers for too large
1023         lengths.
1024
1025 2018-01-26  Damian Rouson  <damian@sourceryinstitute.org>
1026             Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
1027             Soren Rasmussen  <s.c.rasmussen@gmail.com>
1028
1029         Partial support for Fortran 2018 teams features.
1030
1031         * array.c (gfc_match_array_ref): add team attribute in coarray
1032         transfers.
1033         * check.c (gfc_check_get_team, gfc_check_team_number): add new
1034         functions for get_team and team_number.
1035         * dump-parse-tree.c (show_code_node): add new statements: form team,
1036         change team, end team, and sync team.
1037         * expr.c (gfc_find_team_co): add new function.
1038         * gfortran.h: add new statements.
1039         * intrinsic.c (add_functions): add get_team and team_number functions.
1040         * intrinsic.h: add get_team and team_number prototypes for check,
1041         simplify, and resolve.
1042         * iresolve.c (gfc_resolve_get_team, gfc_resolve_team_number): add new
1043         functions.
1044         * iso-fortran-env.def: add the team_type derived type.
1045         * match.c (gfc_match_if, gfc_match_form_team, gfc_match_team_number)
1046         (gfc_match_end_team, gfc_match_sync_team, gfc_match_change_team):
1047         add change team, end team, form team, sync team match and functions.
1048         * match.h: add new prototypes for change team, end team, form team,
1049         and sync team.
1050         * parse.c (decode_statement): add cases for change team, end team,
1051         form team, and sync team.
1052         * resolve.c: add cases for exec form team, change team, end team, and
1053         sync team.
1054         * simplify.c (gfc_simplify_get_team): add new function for get team.
1055         * st.c (gfc_free_statement): add cases exec for change team, end team,
1056         form team, sync team.
1057         * trans-decl.c (gfor_fndecl_caf_form_team)
1058         (gfor_fndecl_caf_change_team, gfor_fndecl_caf_end_team)
1059         (gfor_fndecl_caf_sync_team, gfor_fndecl_caf_get_team)
1060         (gfor_fndecl_caf_team_number): add functions and definitions.
1061         * trans-intrinsic.c (conv_caf_send, conv_intrinsic_team_number): add
1062         new function and team_type argument support.
1063         * trans-stmt.c (gfc_trans_form_team, gfc_trans_change_team)
1064         (gfc_trans_end_team, gfc_trans_sync_team): add new functions.
1065         * trans-stmt.h: add new prototypes.
1066         * trans-types.c (gfc_get_derived_type): check condition for team_type.
1067         * trans.c (trans_code): new exec cases for form team, change team, end
1068         team, and sync team.
1069         * trans.h: add new prototypes.
1070
1071 2018-01-26  Steven G. Kargl  <kargl@gcc.gnu.org>
1072
1073         PR fortran/83998
1074         * simplify.c (compute_dot_product):  Initialize result to INTEGER(1) 0
1075         or .false.  The summation does the correct type conversion.
1076         (gfc_simplify_dot_product): Special case zero-sized arrays.
1077
1078 2018-25-01  Paul Thomas  <pault@gcc.gnu.org>
1079
1080         PR fortran/37577
1081         * array.c (gfc_match_array_ref): If standard earlier than F2008
1082         it is an error if the reference dimension is greater than 7.
1083         libgfortran.h : Increase GFC_MAX_DIMENSIONS to 15. Change the
1084         dtype masks and shifts accordingly.
1085         * trans-array.c (gfc_conv_descriptor_dtype): Use the dtype
1086         type node to check the field.
1087         (gfc_conv_descriptor_dtype): Access the rank field of dtype.
1088         (duplicate_allocatable_coarray): Access the rank field of the
1089         dtype descriptor rather than the dtype itself.
1090         * trans-expr.c (get_scalar_to_descriptor_type): Store the type
1091         of 'scalar' on entry and use its TREE_TYPE if it is ARRAY_TYPE
1092         (ie. a character).
1093         (gfc_conv_procedure_call): Pass TREE_OPERAND (tmp,0) to
1094         get_scalar_to_descriptor_type if the actual expression is a
1095         constant.
1096         (gfc_trans_structure_assign): Assign the rank directly to the
1097         dtype rank field.
1098         * trans-intrinsic.c (gfc_conv_intrinsic_rank): Cast the result
1099         to default integer kind.
1100         (gfc_conv_intrinsic_sizeof): Obtain the element size from the
1101         'elem_len' field of the dtype.
1102         * trans-io.c (gfc_build_io_library_fndecls): Replace
1103         gfc_int4_type_node with dtype_type_node where necessary.
1104         (transfer_namelist_element): Use gfc_get_dtype_rank_type for
1105         scalars.
1106         * trans-types.c : Provide 'get_dtype_type_node' to acces the
1107         dtype_type_node and, if necessary, build it.
1108         The maximum size of an array element is now determined by the
1109         maximum value of size_t.
1110         Update the description of the array descriptor, including the
1111         type def for the dtype_type.
1112         (gfc_get_dtype_rank_type): Build a constructor for the dtype.
1113         Distinguish RECORD_TYPEs that are BT_DERIVED or BT_CLASS.
1114         (gfc_get_array_descriptor_base): Change the type of the dtype
1115         field to dtype_type_node.
1116         (gfc_get_array_descr_info): Get the offset to the rank field of
1117         the dtype.
1118         * trans-types.h : Add a prototype for 'get_dtype_type_node ()'.
1119         * trans.h : Define the indices of the dtype fields.
1120
1121 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1122
1123         PR fortran/83866
1124         * decl.c (gfc_match_derived_decl): If eos not matched, recover
1125         and emit error about garbage after declaration.
1126
1127 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1128
1129         PR fortran/83898
1130         * trans-stmt.c (trans_associate_var): Do not set cst_array_ctor
1131         for characters.
1132
1133 2018-01-22  Janne Blomqvist  <jb@gcc.gnu.org>
1134
1135         PR 78534
1136         PR 83704
1137         * arith.c (gfc_arith_concat): Use size_t for string length.
1138         (gfc_compare_string): Likewise.
1139         (gfc_compare_with_Cstring): Likewise.
1140         * array.c (gfc_resolve_character_array_constructor): Use
1141         HOST_WIDE_INT, gfc_mpz_get_hwi.
1142         * check.c (gfc_check_fe_runtime_error): Use size_t.
1143         * data.c (create_character_initializer): Use HOST_WIDE_INT,
1144         gfc_extract_hwi.
1145         * decl.c (gfc_set_constant_character_len): Use gfc_charlen_t.
1146         (add_init_expr_to_sym): Use HOST_WIDE_INT.
1147         * expr.c (gfc_build_init_expr): Use HOST_WIDE_INT,
1148         gfc_extract_hwi.
1149         (gfc_apply_init): Likewise.
1150         * match.h (gfc_set_constant_character_len): Update prototype.
1151         * primary.c (match_string_constant): Use size_t.
1152         * resolve.c (resolve_ordinary_assign): Use HOST_WIDE_INT,
1153         gfc_mpz_get_hwi.
1154         * simplify.c (init_result_expr): Likewise.
1155         (gfc_simplify_len_trim): Use size_t.
1156         * target-memory.c (gfc_encode_character): Use size_t.
1157         (gfc_target_encode_expr): Use HOST_WIDE_INT, gfc_mpz_get_hwi.
1158         (interpret_array): Use size_t.
1159         (gfc_interpret_character): Likewise.
1160         * target-memory.h (gfc_encode_character): Update prototype.
1161         (gfc_interpret_character): Likewise.
1162         (gfc_target_interpret_expr): Likewise.
1163         * trans-const.c (gfc_build_string_const): Use size_t for length
1164         argument.
1165         (gfc_build_wide_string_const): Likewise.
1166         * trans-const.h (gfc_build_string_const): Likewise.
1167         (gfc_build_wide_string_const): Likewise.
1168
1169 2018-01-20  Steven G. Kargl  <kargl@gcc.gnu.org>
1170
1171         PR fortran/83900
1172     * simplify.c (gfc_simplify_matmul): Set return type correctly.
1173
1174 2018-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>
1175
1176         PR fortran/83900
1177         * simplify.c (gfc_simplify_matmul): Delete bogus assertion.
1178
1179 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1180
1181         PR fortran/83864
1182         * expr.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1183
1184 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1185
1186         PR fortran/83874
1187         * decl.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1188
1189 2018-01-15  Louis Krupp  <louis.krupp@zoho.com>
1190
1191         PR fortran/82257
1192         * interface.c (compare_rank): Don't try to retrieve CLASS_DATA
1193         from symbol marked unlimited polymorphic.
1194         * resolve.c (resolve_structure_cons): Likewise.
1195         * misc.c (gfc_typename): Don't dereference derived->components
1196         if it's NULL.
1197
1198 2018-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
1199
1200         PR fortran/54613
1201         * gfortran.h (gfc_check_f): Rename f4ml to f5ml.
1202         (gfc_logical_4_kind): New macro
1203         * intrinsic.h (gfc_simplify_minloc): Add a gfc_expr *argument.
1204         (gfc_simplify_maxloc): Likewise.
1205         (gfc_resolve_maxloc): Likewise.
1206         (gfc_resolve_minloc): Likewise.
1207         * check.c (gfc_check_minloc_maxloc): Add checking for "back"
1208         argument; also raise error if it is used (for now). Add it
1209         if it isn't present.
1210         * intrinsic.c (add_sym_4ml): Rename to
1211         (add_sym_5ml), adjust for extra argument.
1212         (add_functions): Add "back" constant. Adjust maxloc and minloc
1213         for back argument.
1214         * iresolve.c (gfc_resolve_maxloc): Add back argument. If back is
1215         not of gfc_logical_4_kind, convert.
1216         (gfc_resolve_minloc): Likewise.
1217         * simplify.c (gfc_simplify_minloc): Add back argument.
1218         (gfc_simplify_maxloc): Likewise.
1219         * trans-intinsic.c (gfc_conv_intrinsic_minmaxloc): Rename last
1220         argument to %VAL to ensure passing by value.
1221         (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_minmaxloc
1222         also for library calls.
1223
1224 2018-01-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1225
1226         PR fortran/82007
1227         * resolve.c (resolve_transfer): Delete code looking for 'DT'
1228         format specifiers in format strings. Set formatted to true if a
1229         format string or format label is present.
1230         * trans-io.c (get_dtio_proc): Likewise. (transfer_expr): Fix
1231         whitespace.
1232
1233 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1234
1235         PR fortran/83744
1236         * dump-parse-tree.c (get_c_type_name): Remove extra line.
1237         Change for loop to use declaration in for loop. Handle BT_LOGICAL
1238         and BT_CHARACTER.
1239         (write_decl): Add where argument. Fix indentation. Replace
1240         assert with error message. Add typename to warning
1241         in comment.
1242         (write_type): Adjust locus to call of write_decl.
1243         (write_variable): Likewise.
1244         (write_proc): Likewise. Replace assert with error message.
1245
1246 2018-01-13  Paul Thomas  <pault@gcc.gnu.org>
1247
1248         PR fortran/52162
1249         * trans-expr.c (gfc_trans_scalar_assign): Flag is_alloc_lhs if
1250         the rhs expression is neither an elemental nor a conversion
1251         function.
1252
1253         PR fortran/83622
1254         * trans-array.c (is_pointer_array): Remove unconditional return
1255         of false for -fopenmp.
1256
1257 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1258         <emsr@gcc.gnu.org>
1259
1260         PR fortran/83803
1261         * dump-parse-tree.c (write_proc): Always emit closing parenthesis
1262         for functions.
1263
1264 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1265
1266         PR fortran/82367
1267         * resolve.c (resolve_allocate_expr): Check for NULL pointer.
1268
1269 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1270
1271         PR fortran/83093
1272         * resolve.c (resolve_charlen): Check the type of cl->length
1273         after resolution.
1274
1275 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1276
1277         PR fortran/83740
1278         * trans-array.c (gfc_trans_array_ctor_element): Fix formatting.
1279
1280 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1281
1282         PR fortran/83740
1283         * trans-array.c (gfc_trans_array_ctor_element): Convert RHS to the
1284         LHS type when assigning.
1285
1286 2018-01-09  Steven G. Kargl  <kargl@gcc.gnu.org>
1287
1288         PR fortran/83742
1289         * expr.c (gfc_is_simply_contiguous): Check for NULL pointer.
1290
1291 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1292
1293         * match.c (gfc_match_allocate): Check for NULL pointer.
1294
1295 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1296
1297         * expr.c (gfc_check_pointer_assign): Fix typo in comment.
1298
1299 2018-01-08  Paul Thomas  <pault@gcc.gnu.org>
1300
1301         PR fortran/83611
1302         * decl.c (gfc_get_pdt_instance): If parameterized arrays have
1303         an initializer, convert the kind parameters and add to the
1304         component if the instance.
1305         * trans-array.c (structure_alloc_comps): Add 'is_pdt_type' and
1306         use it with case COPY_ALLOC_COMP. Call 'duplicate_allocatable'
1307         for parameterized arrays. Clean up typos in comments. Convert
1308         parameterized array initializers and copy into the array.
1309         * trans-expr.c (gfc_trans_scalar_assign): Do a deep copy for
1310         parameterized types.
1311         *trans-stmt.c (trans_associate_var): Deallocate associate vars
1312         as necessary, when they are PDT function results for example.
1313
1314         PR fortran/83731
1315         * trans-array.c (structure_alloc_comps): Only compare len parms
1316         when they are declared explicitly.
1317
1318 2018-01-06  Janne Blomqvist  <jb@gcc.gnu.org>
1319
1320         PR fortran/50892
1321         * trans-expr.c (gfc_trans_pointer_assignment): fold_convert rhs to
1322         lhs type.
1323
1324 2018-01-05  Janne Blomqvist  <jb@gcc.gnu.org>
1325
1326         PR fortran/78534
1327         PR fortran/66310
1328         * array.c (got_charlen): Use gfc_charlen_int_kind.
1329         * class.c (gfc_find_derived_vtab): Use gfc_size_kind instead of
1330         hardcoded kind.
1331         (find_intrinsic_vtab): Likewise.
1332         * decl.c (match_char_length): Use gfc_charlen_int_kind.
1333         (add_init_expr_to_sym): Use gfc_charlen_t and gfc_charlen_int_kind.
1334         (gfc_match_implicit): Use gfc_charlen_int_kind.
1335         * dump-parse-tree.c (show_char_const): Use gfc_charlen_t and size_t.
1336         (show_expr): Use HOST_WIDE_INT_PRINT_DEC.
1337         * expr.c (gfc_get_character_expr): Length parameter of type
1338         gfc_charlen_t.
1339         (gfc_get_int_expr): Value argument of type HOST_WIDE_INT.
1340         (gfc_extract_hwi): New function.
1341         (simplify_const_ref): Make string_len of type gfc_charlen_t.
1342         (gfc_simplify_expr): Use HOST_WIDE_INT for substring refs.
1343         * frontend-passes.c (optimize_trim): Use gfc_charlen_int_kind.
1344         * gfortran.h (gfc_mpz_get_hwi): New prototype.
1345         (gfc_mpz_set_hwi): Likewise.
1346         (gfc_charlen_t): New typedef.
1347         (gfc_expr): Use gfc_charlen_t for character lengths.
1348         (gfc_size_kind): New extern variable.
1349         (gfc_extract_hwi): New prototype.
1350         (gfc_get_character_expr): Use gfc_charlen_t for character length.
1351         (gfc_get_int_expr): Use HOST_WIDE_INT type for value argument.
1352         * gfortran.texi: Update description of hidden string length argument.
1353         * iresolve.c (check_charlen_present): Use gfc_charlen_int_kind.
1354         (gfc_resolve_char_achar): Likewise.
1355         (gfc_resolve_repeat): Pass string length directly without
1356         temporary, use gfc_charlen_int_kind.
1357         (gfc_resolve_transfer): Use gfc_charlen_int_kind.
1358         * match.c (select_intrinsic_set_tmp): Use HOST_WIDE_INT for charlen.
1359         * misc.c (gfc_mpz_get_hwi): New function.
1360         (gfc_mpz_set_hwi): New function.
1361         * module.c (atom_int): Change type from int to HOST_WIDE_INT.
1362         (parse_integer): Don't complain about large integers.
1363         (write_atom): Use HOST_WIDE_INT for integers.
1364         (mio_integer): Handle integer type mismatch.
1365         (mio_hwi): New function.
1366         (mio_intrinsic_op): Use HOST_WIDE_INT.
1367         (mio_array_ref): Likewise.
1368         (mio_expr): Likewise.
1369         * primary.c (match_substring): Use gfc_charlen_int_kind.
1370         * resolve.c (resolve_substring_charlen): Use gfc_charlen_int_kind.
1371         (resolve_character_operator): Likewise.
1372         (resolve_assoc_var): Likewise.
1373         (resolve_select_type): Use HOST_WIDE_INT for charlen, use snprintf.
1374         (resolve_charlen): Use mpz_sgn to determine sign.
1375         * simplify.c (gfc_simplify_repeat): Use HOST_WIDE_INT/gfc_charlen_t
1376         instead of long.
1377         * symbol.c (generate_isocbinding_symbol): Use gfc_charlen_int_kind.
1378         * target-memory.c (size_character): Length argument of type
1379         gfc_charlen_t.
1380         (gfc_encode_character): Likewise.
1381         (gfc_interpret_character): Use gfc_charlen_t.
1382         * target-memory.h (gfc_encode_character): Modify prototype.
1383         * trans-array.c (gfc_trans_array_ctor_element): Use existing type.
1384         (get_array_ctor_var_strlen): Use gfc_conv_mpz_to_tree_type.
1385         (trans_array_constructor): Use existing type.
1386         (get_array_charlen): Likewise.
1387         * trans-const.c (gfc_conv_mpz_to_tree_type): New function.
1388         * trans-const.h (gfc_conv_mpz_to_tree_type): New prototype.
1389         * trans-decl.c (gfc_trans_deferred_vars): Use existing type.
1390         (add_argument_checking): Likewise.
1391         * trans-expr.c (gfc_class_len_or_zero_get): Build const of type
1392         gfc_charlen_type_node.
1393         (gfc_conv_intrinsic_to_class): Use gfc_charlen_int_kind instead of
1394         4, fold_convert to correct type.
1395         (gfc_conv_class_to_class): Build const of type size_type_node for
1396         size.
1397         (gfc_copy_class_to_class): Likewise.
1398         (gfc_conv_string_length): Use same type in expression.
1399         (gfc_conv_substring): Likewise, use HOST_WIDE_INT for charlen.
1400         (gfc_conv_string_tmp): Make sure len is of the right type.
1401         (gfc_conv_concat_op): Use same type in expression.
1402         (gfc_conv_procedure_call): Likewise.
1403         (fill_with_spaces): Comment out memset() block due to spurious
1404         -Wstringop-overflow warnings.
1405         (gfc_trans_string_copy): Use gfc_charlen_type_node.
1406         (alloc_scalar_allocatable_for_subcomponent_assignment):
1407         fold_convert to right type.
1408         (gfc_trans_subcomponent_assign): Likewise.
1409         (trans_class_vptr_len_assignment): Build const of correct type.
1410         (gfc_trans_pointer_assignment): Likewise.
1411         (alloc_scalar_allocatable_for_assignment): fold_convert to right
1412         type in expr.
1413         (trans_class_assignment): Build const of correct type.
1414         * trans-intrinsic.c (gfc_conv_associated): Likewise.
1415         (gfc_conv_intrinsic_repeat): Do calculation in sizetype.
1416         * trans-io.c (gfc_build_io_library_fndecls): Use
1417         gfc_charlen_type_node for character lengths.
1418         (set_string): Convert to right type in assignment.
1419         * trans-stmt.c (gfc_trans_label_assign): Build const of
1420         gfc_charlen_type_node.
1421         (trans_associate_var): Likewise.
1422         (gfc_trans_character_select): Likewise.
1423         (gfc_trans_allocate): Likewise, don't typecast strlen result.
1424         (gfc_trans_deallocate): Don't typecast strlen result.
1425         * trans-types.c (gfc_size_kind): New variable.
1426         (gfc_init_types): Determine gfc_charlen_int_kind and gfc_size_kind
1427         from size_type_node.
1428         * trans-types.h: Fix comment.
1429
1430 2018-01-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
1431
1432         PR fortran/83683
1433         PR fortran/45689
1434         * check.c (gfc_check_eoshift): Check for string length and
1435         for conformance of boundary.
1436         * intrinsic.c (add_functions): Add gfc_simplify_eoshift.
1437         * intrinsic.h: Add prototype for gfc_simplify_eoshift.
1438         * simplify.c (gfc_simplify_eoshift): New function.
1439
1440 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1441             Alan Hayward  <alan.hayward@arm.com>
1442             David Sherwood  <david.sherwood@arm.com>
1443
1444         * trans-types.c (gfc_type_for_mode): Handle MODE_VECTOR_BOOL.
1445
1446 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1447             Alan Hayward  <alan.hayward@arm.com>
1448             David Sherwood  <david.sherwood@arm.com>
1449
1450         * trans-types.c (gfc_type_for_mode): Check valid_vector_subparts_p.
1451
1452 2018-01-03  Thomas Koenig  <tkoenig@gcc.gnu.org>
1453
1454         PR fortran/83664
1455         * check.c (gfc_check_eoshift): Error for missing boundary if array
1456         is not one of the standard types.
1457
1458 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1459
1460         Update copyright years.
1461
1462         * gfortranspec.c (lang_specific_driver): Update copyright notice
1463         dates.
1464         * gfc-internals.texi: Bump @copying's copyright year.
1465         * gfortran.texi: Ditto.
1466         * intrinsic.texi: Ditto.
1467         * invoke.texi: Ditto.
1468
1469 2017-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1470
1471         PR fortran/45689
1472         * intrinsic.c (add_function): Add gfc_simplify_maxloc and
1473         gfc_simplify_minloc to maxloc and minloc, respectively.
1474         * intrinsic.h: Add prototypes for gfc_simplify_minloc
1475         and gfc_simplify_maxloc.
1476         * simplify.c (min_max_chose): Adjust prototype.  Modify function
1477         to have a return value which indicates if the extremum was found.
1478         (is_constant_array_expr): Fix typo in comment.
1479         (simplify_minmaxloc_to_scalar): New function.
1480         (simplify_minmaxloc_nodim): New function.
1481         (new_array): New function.
1482         (simplify_minmaxloc_to_array): New function.
1483         (gfc_simplify_minmaxloc): New function.
1484         (simplify_minloc): New function.
1485         (simplify_maxloc): New function.
1486
1487 2018-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1488
1489         PR fortran/45689
1490         PR fortran/83650
1491         * simplify.c (gfc_simplify_cshift): Re-implement to allow full
1492         range of arguments.
1493
1494 2018-01-01  Paul Thomas  <pault@gcc.gnu.org>
1495
1496         PR fortran/83076
1497         * resolve.c (resolve_fl_derived0): Add caf_token fields for
1498         allocatable and pointer scalars, when -fcoarray selected.
1499         * trans-types.c (gfc_copy_dt_decls_ifequal): Copy the token
1500         field as well as the backend_decl.
1501         (gfc_get_derived_type): Flag GFC_FCOARRAY_LIB for module
1502         derived types that are not vtypes. Components with caf_token
1503         attribute are pvoid types. For a component requiring it, find
1504         the caf_token field and have the component token field point to
1505         its backend_decl.
1506
1507         PR fortran/83319
1508         *trans-types.c (gfc_get_array_descriptor_base): Add the token
1509         field to the descriptor even when codimen not set.
1510 \f
1511 Copyright (C) 2018 Free Software Foundation, Inc.
1512
1513 Copying and distribution of this file, with or without modification,
1514 are permitted in any medium without royalty provided the copyright
1515 notice and this notice are preserved.