gcc/fortran/ChangeLog

   1 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
   2
   3         PR fortran/65453
   4         * decl.c (get_proc_name): Catch clash between a procedure statement
   5         and a contained subprogram
   6
   7 2018-03-16  Steven G. Kargl  <kargl@gcc.gnu.org>
   8
   9         PR fortran/69395
  10         * decl.c (merge_array_spec): Correct the error condition.
  11
  12 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
  13
  14         PR fortran/78741
  15         * decl.c (get_proc_name):  Check for clash of entry name with
  16         subroutine name.
  17
  18 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
  19
  20         PR fortran/69395
  21         * decl.c (merge_array_spec): Limit the merging to maximum allowed
  22         dimensions, and issue error message if limit is exceeded.
  23
  24 2018-03-13  Steven G. Kargl  <kargl@gcc.gnu.org>
  25
  26         * check.c (gfc_check_kill_sub):  Remove check for INTEGER(4) or (8).
  27         * intrinsic.c (add_functions): Remove reference to gfc_resolve_kill.
  28         (add_subroutines): Remove reference to gfc_resolve_kill_sub.
  29         * intrinsic.texi: Update documentation.
  30         * iresolve.c (gfc_resolve_kill, gfc_resolve_kill_sub): Remove.
  31         * trans-decl.c (gfc_build_intrinsic_function_decls):  Add
  32         gfor_fndecl_kill and gfor_fndecl_kill_sub
  33         * trans-intrinsic.c (conv_intrinsic_kill, conv_intrinsic_kill_sub): new
  34         functions.
  35         (gfc_conv_intrinsic_function): Use conv_intrinsic_kill.
  36         (gfc_conv_intrinsic_subroutine): Use conv_intrinsic_kill_sub.
  37         * trans.h: Declare gfor_fndecl_kill and gfor_fndecl_kill_sub.
  38
  39 2018-03-11  Paul Thomas  <pault@gcc.gnu.org>
  40
  41         PR fortran/84546
  42         * trans-array.c (structure_alloc_comps): Make sure that the
  43         vptr is copied and that the unlimited polymorphic _len is used
  44         to compute the size to be allocated.
  45         * trans-expr.c (gfc_get_class_array_ref): If unlimited, use the
  46         unlimited polymorphic _len for the offset to the element.
  47         (gfc_copy_class_to_class): Set the new 'unlimited' argument.
  48         * trans.h : Add the boolean 'unlimited' to the prototype.
  49
  50 2018-03-11  Steven G. Kargl  <kargl@gcc.gnu.org>
  51
  52         PR fortran/83939
  53         * resolve.c (resolve_fl_procedure): Enforce F2018:C15100.
  54
  55 2018-03-11  Steven G. Kargl  <kargls@gcc.gnu.org>
  56
  57         * check.c (gfc_check_kill):  Check pid and sig are scalar.
  58         (gfc_check_kill_sub): Restrict kind to 4 and 8.
  59         * intrinsic.c (add_function): Sort keyword list.  Add pid and sig
  60         keywords for KILL.  Remove redundant *back="back" in favor of the
  61         original *bck="back".
  62         (add_subroutines): Sort keyword list.  Add pid and sig keywords
  63         for KILL.
  64         * intrinsic.texi: Fix documentation to consistently use pid and sig.
  65         * iresolve.c (gfc_resolve_kill): Kind can only be 4 or 8.  Choose the
  66         correct function.
  67         (gfc_resolve_rename_sub): Add comment.
  68
  69 2018-03-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
  70
  71         PR fortran/66128
  72         * simplify.c (simplify_transformation): Return default result for
  73         empty array argument.
  74         (gfc_simplify_all): Remove special-case handling for zerosize.
  75         (gfc_simplify_any): Likewise.
  76         (gfc_simplify_count): Likewise.
  77         (gfc_simplify_iall): Likewise.
  78         (gfc_simplify_iany): Likewise.
  79         (gfc_simplify_iparity): Likewise.
  80         (gfc_simplify_minval): Likewise.
  81         (gfc_simplify_maxval): Likewise.
  82         (gfc_simplify_norm2): Likewise.
  83         (gfc_simplify_product): Likewise.
  84         (gfc_simplify_sum): Likewise.
  85
  86 2018-03-10  Steven G. Kargl  <kargl@gcc.gnu.org>
  87
  88         PR fortran/84734
  89         * arith.c (check_result, eval_intrinsic):  If result overflows, pass
  90         the expression up the chain instead of a NULL pointer.
  91
  92 2018-03-07  Steven G. Kargl  <kargl@gcc.gnu.org>
  93
  94         PR fortran/64124
  95         PR fortran/70409
  96         * decl.c (gfc_match_char_spec): Try to reduce a charlen to a constant.
  97
  98 2017-03-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
  99
 100         PR fortran/84697
 101         PR fortran/66128
 102         * expr.c (simplify_parameter_variable): If p is a size zero array
 103         and not an ARRAY_EXPR insert an empty array constructor and
 104         return.
 105         * gfortran.h: Add prototype for gfc_is_size_zero_array.
 106         * simplify.c (is_size_zero_array): Make non-static and rename into
 107         (gfc_is_size_zero_array):  Check for parameter arrays of zero
 108         size by comparing shape and absence of constructor.
 109         (gfc_simplify_all): Use gfc_is_size_zero_array instead of
 110         is_size_zero_array.
 111         (gfc_simplify_count): Likewise.
 112         (gfc_simplify_iall): Likewise.
 113         (gfc_simplify_iany): Likewise.
 114         (gfc_simplify_iparity): Likewise.
 115         (gfc_simplify_minval): Likewise.
 116         (gfc_simplify_maxval): Likewise.
 117         (gfc_simplify_product): Likewise.
 118         (gfc_simplify_sum): Likewise.
 119
 120 2018-03-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 121
 122         PR fortran/56667
 123         * primary.c (match_sym_complex_part): Give the matcher for an implied
 124         do-loop a chance to run.
 125
 126 2018-03-03  Harald Anlauf  <anlauf@gmx.de>
 127
 128         PR fortran/71085
 129         * trans-expr.c (gfc_apply_interface_mapping_to_expr): Do not
 130         dereference NULL pointer.
 131
 132 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
 133
 134         PR fortran/66128
 135         * simplify.c (is_size_zero_array): New function to check for size
 136         zero array.
 137         (gfc_simplify_all, gfc_simplify_any, gfc_simplify_count,
 138          gfc_simplify_iall, gfc_simplify_iany, gfc_simplify_iparity,
 139          gfc_simplify_minval, gfc_simplify_maxval, gfc_simplify_norm2,
 140          gfc_simplify_product, gfc_simplify_sum): Use it, and implement
 141         requirements from F2018.
 142
 143 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
 144
 145         PR fortran/51434
 146         * simplify.c (gfc_simplify_transfer): Resolve mold.
 147
 148 2018-03-03  Paul Thomas  <pault@gcc.gnu.org>
 149
 150         PR fortran/80965
 151         * resolve.c (build_loc_call): Change symtree name from 'loc' to
 152         '_loc'.
 153
 154 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
 155
 156         PR fortran/84219
 157         * target-memory.c (gfc_interpret_derived): Assert that BT_VOID
 158         components are caf tokens.
 159         (gfc_target_interpret_expr): Treat BT_VOID expressions as
 160         integers.
 161
 162 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
 163
 164         PR fortran/84538
 165         * class.c (class_array_ref_detected): Remove the condition that
 166         there be no reference after the array reference.
 167         (find_intrinsic_vtab): Remove excess whitespace.
 168         * trans-array.c (gfc_conv_scalarized_array_ref): Rename 'tmp'
 169         as 'base and call build_class_array_ref earlier.
 170
 171 2018-02-28  Paul Thomas  <pault@gcc.gnu.org>
 172
 173         PR fortran/83901
 174         * trans-stmt.c (trans_associate_var): Make sure that the se
 175         expression is a pointer type before converting it to the symbol
 176         backend_decl type.
 177
 178 2018-02-25  Steven G. Kargl  <kargl@gcc.gnu.org>
 179
 180         PR fortran/83633
 181         * decl.c (variable_decl): Check that an explicit-shape-array with
 182         nonconstant bounds is allowed.
 183
 184 2018-02-25  Paul Thomas  <pault@gcc.gnu.org>
 185
 186         PR fortran/84523
 187         * trans-intrinsic.c (gfc_conv_allocated): If the argument se
 188         has a pre block, add it to the expression pre block.
 189
 190 2018-02-25  Thomas Koenig  <tkoenig@gcc.gnu.org>
 191
 192         PR fortran/78238
 193         * gfortran.h (gfc_integer_4_kind): Define.
 194         * resolve.c (resolve_select_type): Make sure that the
 195         kind of c->high is gfc_integer_4_kind.
 196
 197 2018-02-24  Steven G. Kargl <kargl@gcc.gnu.org>
 198
 199         PR fortran/30792
 200         * decl.c (gfc_match_data): Check for invalid substring in
 201         data-implied-do
 202
 203 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
 204
 205         * intrinsic.texi: Arguments to MATMUL cannot both be rank one.
 206
 207 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
 208
 209         PR fortran/84511
 210         * trans-io.c (transfer_expr): Deal with C_LOC in transfer statement.
 211
 212 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
 213
 214         PR fortran/84346
 215         * interface.c (compare_actual_formal): Issue error if keyword is
 216         used in a statement function.
 217
 218 2018-02-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 219
 220         PR fortran/84506
 221         * trans-io.c (set_parameter_value_inquire): Adjust range check of
 222         negative unit values for kind=8 units to the kind=4 negative limit.
 223
 224 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
 225
 226         PR fortran/83149
 227         * trans-types.c (gfc_sym_type): Test sym->ns->proc_name before
 228         accessing its components.
 229
 230 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
 231
 232         PR fortran/83149
 233         * trans-decl.c (gfc_finish_var_decl): Test sym->ns->proc_name
 234         before accessing its components.
 235
 236 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
 237
 238         PR fortran/83148
 239         * trans-const.c : Clean up some whitespace issues.
 240         * trans-expr.c (gfc_conv_initializer): If an iso_c_binding
 241         derived type has a kind value of zero, set it to the default
 242         integer kind.
 243
 244 2018-02-23  Janne Blomqvist  <jb@gcc.gnu.org>
 245
 246         PR fortran/84519
 247         * trans-decl.c (gfc_build_builtin_function_decls): Add bool
 248         argument to stop and error stop decls.
 249         * trans-stmt.c (gfc_trans_stop): Add false value to argument
 250         lists.
 251
 252 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
 253
 254         PR 78534
 255         PR 84509
 256         * trans-decl.c (gfc_build_builtin_function_decls): Pass
 257         gfc_int8_type node to pause_numeric, size_type_node to
 258         pause_string.
 259         * trans-stmt.c (gfc_trans_pause): Likewise.
 260
 261 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
 262
 263         * gfortran.texi: Update Coarray API description.
 264         * trans-decl.c (gfc_build_builtin_function_decls): Use size_t for
 265         character lengths, int for exit codes.
 266         (generate_coarray_sym_init): Use size_t for character length.
 267         * trans-intrinsic.c (conv_co_collective): Likewise.
 268         * trans-stmt.c (gfc_trans_lock_unlock): Likewise.
 269         (gfc_trans_event_post_wait): Likewise.
 270         (gfc_trans_sync): Likewise.
 271         (gfc_trans_stop): Use size_t for character lengths, int for exit
 272         codes.
 273
 274 2018-02-20  Thomas Koenig  <tkoenig@gcc.gnu.org>
 275
 276         PR fortran/48890
 277         PR fortran/83823
 278         * primary.c (gfc_convert_to_structure_constructor):
 279         For a constant string constructor, make sure the length
 280         is correct.
 281
 282 2018-02-19  Paul Thomas  <pault@gcc.gnu.org>
 283
 284         PR fortran/83344
 285         PR fortran/83975
 286         * resolve.c (resolve_assoc_var): Rearrange the logic for the
 287         determination of the character length of associate names. If
 288         the associate name is missing a length expression or the length
 289         expression is not a constant and the target is not a variable,
 290         make the associate name allocatable and deferred length.
 291         * trans-decl.c (gfc_get_symbol_decl): Null the character length
 292         backend_decl for deferred length associate names that are not
 293         variables. Set 'length' to gfc_index_zero_node for character
 294         associate names, whose character length is a PARM_DECL.
 295
 296 2018-02-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 297
 298         PR fortran/35339
 299         * frontend-passes.c (traverse_io_block): Remove workaround for
 300         PR 80945.
 301
 302 2018-02-19  Andre Vehreschild  <vehre@gcc.gnu.org>
 303
 304         * gfortran.texi: Document additional src/dst_type.  Fix some typos.
 305         * trans-decl.c (gfc_build_builtin_function_decls): Declare the new
 306         argument of _caf_*_by_ref () with * e { get, send, sendget }.
 307         * trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Add the type of the
 308         data referenced when generating a call to caf_get_by_ref ().
 309         (conv_caf_send): Same but for caf_send_by_ref () and
 310         caf_sendget_by_ref ().
 311
 312 2018-02-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 313
 314         PR fortran/84389
 315         * io.c (check_format): Allow FMT_COLON.
 316
 317 2018-02-18  Paul Thomas  <pault@gcc.gnu.org>
 318
 319         PR fortran/80945
 320         * trans-array.c (gfc_conv_expr_descriptor): Set parmtype from
 321         the typenode in the case of deferred length characters.
 322
 323 2018-02-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
 324
 325         PR fortran/84270
 326         * frontend-passes (scalarized_expr):  If the expression
 327         is an assumed size array, leave in the last reference
 328         and pass AR_SECTION instead of AR_FULL to gfc_resolve
 329         in order to avoid an error.
 330
 331 2018-02-17  Paul Thomas  <pault@gcc.gnu.org>
 332
 333         PR fortran/84115
 334         * resolve.c (resolve_assoc_var): If a non-constant target expr.
 335         has no string length expression, make the associate variable
 336         into a deferred length, allocatable symbol.
 337         * trans-decl.c (gfc_is_reallocatable_lhs): Add and use a ptr to
 338         the symbol.
 339         * trans-stmt.c (trans_associate_var): Null and free scalar
 340         associate names that are allocatable. After assignment, remove
 341         the allocatable attribute to prevent reallocation.
 342
 343 2018-02-16  Jakub Jelinek  <jakub@redhat.com>
 344
 345         PR fortran/84418
 346         * trans-openmp.c (gfc_trans_omp_clauses): For OMP_CLAUSE_LINEAR_REF
 347         kind set OMP_CLAUSE_LINEAR_STEP to TYPE_SIZE_UNIT times last_step.
 348
 349 2018-02-16  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 350
 351         PR fortran/84354
 352         * decl.c (gfc_get_pdt_instance): Replace '%qs' with %qs.
 353
 354 2018-02-15  Janus Weil  <janus@gcc.gnu.org>
 355
 356         PR fortran/84409
 357         * interface.c (check_dtio_arg_TKR_intent): Add a check for character
 358         length.
 359
 360 2018-02-14  Janus Weil  <janus@gcc.gnu.org>
 361
 362         PR fortran/84385
 363         * match.c (gfc_match_select_type): Fix check for selector in
 364         SELECT TYPE statement.
 365
 366 2018-02-13  Janus Weil  <janus@gcc.gnu.org>
 367
 368         PR fortran/84313
 369         * symbol.c (check_conflict): Reject procedure pointers in common blocks.
 370
 371 2018-02-13  Alastair McKinstry  <alastair.mckinstry@sceal.ie>
 372             Janne Blomqvist  <jb@gcc.gnu.org>
 373
 374         * module.c (dump_module): Use lbasename to ensure that module
 375         files are reproducible.
 376
 377 2018-02-12  Janus Weil  <janus@gcc.gnu.org>
 378
 379         PR fortran/84273
 380         * resolve.c (resolve_component): Fix checks of passed argument in
 381         procedure-pointer components.
 382
 383 2018-02-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 384
 385         PR fortran/35299
 386         * resolve.c (resolve_formal_arglist): Update error message.
 387
 388 2018-02-11  Andre Vehreschild  <vehre@gcc.gnu.org>
 389
 390         * gfortran.texi: Fix typos in documentation of caf_register ().
 391         * trans-array.c (structure_alloc_comps): Only register a component of
 392         a derived typed corray, not of an ultimate component coarray.
 393
 394 2018-02-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 395
 396         PR fortran/54223
 397         PR fortran/84276
 398         * interface.c (compare_actual_formal): Add in_statement_function
 399         bool parameter.  Skip check of INTENT attribute for statement
 400         functions.  Arguments to a statement function cannot be optional,
 401         issue error for missing argument.
 402         (gfc_procedure_use, gfc_ppc_use, gfc_arglist_matches_symbol): Use
 403          in_statement_function.
 404
 405 2018-02-11  Paul Thomas  <pault@gcc.gnu.org>
 406
 407         PR fortran/84074
 408         * trans-expr.c (gfc_conv_derived_to_class): Set the use_offset
 409         flag. If the is a vector subscript or the expression is not a
 410         variable, make the descriptor one-based.
 411
 412 2018-02-10  Paul Thomas  <pault@gcc.gnu.org>
 413
 414         PR fortran/84141
 415         PR fortran/84155
 416         * trans-array.c (gfc_array_init_size): Revert the change made
 417         in revision 257356 setting the dtype.
 418         * trans-types.c (gfc_get_dtype): Do not use the cached dtype.
 419         Call gfc_get_dtype_rank_type every time.
 420
 421         PR fortran/56691
 422         * trans-array.c (gfc_conv_expr_descriptor): If the source array
 423         is a descriptor type, use its offset, removing the condition
 424         that is be a class expression.
 425
 426 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 427
 428         PR fortran/82994
 429         * match.c (gfc_match_deallocate): Check for NULL pointer.
 430
 431 2018-02-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
 432
 433         PR fortran/68560
 434         * trans-intrinsic.c (gfc_conv_intrinsic_shape): New function.
 435         (gfc_conv_intrinsic_function): Call it.
 436
 437 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 438
 439         PR fortran/82049
 440         * match.c (gfc_match_type_spec): If the charlen is non-NULL, then
 441         try to resolve it.  While here return early if possible.
 442
 443 2018-02-04  Paul Thomas  <pault@gcc.gnu.org>
 444
 445         PR fortran/84115
 446         * trans-decl.c (gfc_get_symbol_decl): Do not finish the decl of
 447         'length' if the symbol charlen backend_decl is an indirect ref.
 448
 449 2018-02-03  Paul Thomas  <pault@gcc.gnu.org>
 450
 451         PR fortran/84141
 452         PR fortran/84155
 453         * trans-array.c (gfc_array_init_size): Instead of gfc_get_dtype
 454         use gfc_get_dtype_rank_type.
 455
 456 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
 457
 458         PR 83975
 459         PR 83344
 460         * resolve.c (resolve_assoc_var): Generate an error if
 461         target length unknown.
 462
 463 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
 464
 465         PR fortran/83705
 466         * simplify.c (gfc_simplify_repeat): Increase limit for deferring
 467         to runtime, print a warning message.
 468
 469 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
 470
 471         PR fortran/84116
 472         * openmp.c (gfc_match_omp_clauses): If all the linear
 473         gfc_match_omp_variable_list calls failed, don't gfc_free_omp_namelist
 474         nor set *head = NULL.  Formatting fixes.
 475
 476 2018-01-31  Paul Thomas  <pault@gcc.gnu.org>
 477
 478         PR fortran/84088
 479         * trans-expr.c (gfc_conv_procedure_call): If the parm expr is
 480         an address expression passed to an assumed rank dummy, convert
 481         to an indirect reference.
 482
 483 2018-01-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
 484
 485         * dump-parse-tree.c (write_proc): Use sym_name (which may
 486         be sym->binding_label) instead of sym->name.
 487
 488 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
 489
 490         * trans-const.c (gfc_conv_string_init): Use gfc_charlen_t instead
 491         of int for slen.
 492
 493 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
 494
 495         PR fortran/78534
 496         * trans-expr.c (fill_with_spaces): Use memset instead of
 497         generating loop.
 498         (gfc_trans_string_copy): Improve opportunity to use builtins with
 499         constant lengths.
 500
 501 2018-01-30  Jakub Jelinek  <jakub@redhat.com>
 502
 503         PR debug/84131
 504         * trans-array.c (gfc_get_descriptor_offsets_for_info): Set *data_off
 505         to DATA_FIELD's offset rather than OFFSET_FIELD's offset.
 506
 507 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
 508
 509         PR fortran/84134
 510         * array.c (gfc_ref_dimen_size): Whitespace fixes.  If stride is
 511         zero, return false.
 512
 513 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
 514
 515         PR fortran/84133
 516         * frontend-passes (matmul_to_var_expr): Return early if
 517         in association list.
 518         (inline_matmul_assign): Likewise.
 519
 520 2017-01-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
 521
 522         PR fortran/84073
 523         * resolve.c (resolve_component): Ensure BIND(C) character
 524         components have length one.
 525         (resolve_symbol): Likewise for variables.
 526
 527 2018-01-27  Jakub Jelinek  <jakub@redhat.com>
 528
 529         PR fortran/84065
 530         * decl.c (add_init_expr_to_sym): Ignore initializers for too large
 531         lengths.
 532
 533 2018-01-26  Damian Rouson  <damian@sourceryinstitute.org>
 534             Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
 535             Soren Rasmussen  <s.c.rasmussen@gmail.com>
 536
 537         Partial support for Fortran 2018 teams features.
 538
 539         * array.c (gfc_match_array_ref): add team attribute in coarray
 540         transfers.
 541         * check.c (gfc_check_get_team, gfc_check_team_number): add new
 542         functions for get_team and team_number.
 543         * dump-parse-tree.c (show_code_node): add new statements: form team,
 544         change team, end team, and sync team.
 545         * expr.c (gfc_find_team_co): add new function.
 546         * gfortran.h: add new statements.
 547         * intrinsic.c (add_functions): add get_team and team_number functions.
 548         * intrinsic.h: add get_team and team_number prototypes for check,
 549         simplify, and resolve.
 550         * iresolve.c (gfc_resolve_get_team, gfc_resolve_team_number): add new
 551         functions.
 552         * iso-fortran-env.def: add the team_type derived type.
 553         * match.c (gfc_match_if, gfc_match_form_team, gfc_match_team_number)
 554         (gfc_match_end_team, gfc_match_sync_team, gfc_match_change_team):
 555         add change team, end team, form team, sync team match and functions.
 556         * match.h: add new prototypes for change team, end team, form team,
 557         and sync team.
 558         * parse.c (decode_statement): add cases for change team, end team,
 559         form team, and sync team.
 560         * resolve.c: add cases for exec form team, change team, end team, and
 561         sync team.
 562         * simplify.c (gfc_simplify_get_team): add new function for get team.
 563         * st.c (gfc_free_statement): add cases exec for change team, end team,
 564         form team, sync team.
 565         * trans-decl.c (gfor_fndecl_caf_form_team)
 566         (gfor_fndecl_caf_change_team, gfor_fndecl_caf_end_team)
 567         (gfor_fndecl_caf_sync_team, gfor_fndecl_caf_get_team)
 568         (gfor_fndecl_caf_team_number): add functions and definitions.
 569         * trans-intrinsic.c (conv_caf_send, conv_intrinsic_team_number): add
 570         new function and team_type argument support.
 571         * trans-stmt.c (gfc_trans_form_team, gfc_trans_change_team)
 572         (gfc_trans_end_team, gfc_trans_sync_team): add new functions.
 573         * trans-stmt.h: add new prototypes.
 574         * trans-types.c (gfc_get_derived_type): check condition for team_type.
 575         * trans.c (trans_code): new exec cases for form team, change team, end
 576         team, and sync team.
 577         * trans.h: add new prototypes.
 578
 579 2018-01-26  Steven G. Kargl  <kargl@gcc.gnu.org>
 580
 581         PR fortran/83998
 582         * simplify.c (compute_dot_product):  Initialize result to INTEGER(1) 0
 583         or .false.  The summation does the correct type conversion.
 584         (gfc_simplify_dot_product): Special case zero-sized arrays.
 585
 586 2018-25-01  Paul Thomas  <pault@gcc.gnu.org>
 587
 588         PR fortran/37577
 589         * array.c (gfc_match_array_ref): If standard earlier than F2008
 590         it is an error if the reference dimension is greater than 7.
 591         libgfortran.h : Increase GFC_MAX_DIMENSIONS to 15. Change the
 592         dtype masks and shifts accordingly.
 593         * trans-array.c (gfc_conv_descriptor_dtype): Use the dtype
 594         type node to check the field.
 595         (gfc_conv_descriptor_dtype): Access the rank field of dtype.
 596         (duplicate_allocatable_coarray): Access the rank field of the
 597         dtype descriptor rather than the dtype itself.
 598         * trans-expr.c (get_scalar_to_descriptor_type): Store the type
 599         of 'scalar' on entry and use its TREE_TYPE if it is ARRAY_TYPE
 600         (ie. a character).
 601         (gfc_conv_procedure_call): Pass TREE_OPERAND (tmp,0) to
 602         get_scalar_to_descriptor_type if the actual expression is a
 603         constant.
 604         (gfc_trans_structure_assign): Assign the rank directly to the
 605         dtype rank field.
 606         * trans-intrinsic.c (gfc_conv_intrinsic_rank): Cast the result
 607         to default integer kind.
 608         (gfc_conv_intrinsic_sizeof): Obtain the element size from the
 609         'elem_len' field of the dtype.
 610         * trans-io.c (gfc_build_io_library_fndecls): Replace
 611         gfc_int4_type_node with dtype_type_node where necessary.
 612         (transfer_namelist_element): Use gfc_get_dtype_rank_type for
 613         scalars.
 614         * trans-types.c : Provide 'get_dtype_type_node' to acces the
 615         dtype_type_node and, if necessary, build it.
 616         The maximum size of an array element is now determined by the
 617         maximum value of size_t.
 618         Update the description of the array descriptor, including the
 619         type def for the dtype_type.
 620         (gfc_get_dtype_rank_type): Build a constructor for the dtype.
 621         Distinguish RECORD_TYPEs that are BT_DERIVED or BT_CLASS.
 622         (gfc_get_array_descriptor_base): Change the type of the dtype
 623         field to dtype_type_node.
 624         (gfc_get_array_descr_info): Get the offset to the rank field of
 625         the dtype.
 626         * trans-types.h : Add a prototype for 'get_dtype_type_node ()'.
 627         * trans.h : Define the indices of the dtype fields.
 628
 629 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
 630
 631         PR fortran/83866
 632         * decl.c (gfc_match_derived_decl): If eos not matched, recover
 633         and emit error about garbage after declaration.
 634
 635 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
 636
 637         PR fortran/83898
 638         * trans-stmt.c (trans_associate_var): Do not set cst_array_ctor
 639         for characters.
 640
 641 2018-01-22  Janne Blomqvist  <jb@gcc.gnu.org>
 642
 643         PR 78534
 644         PR 83704
 645         * arith.c (gfc_arith_concat): Use size_t for string length.
 646         (gfc_compare_string): Likewise.
 647         (gfc_compare_with_Cstring): Likewise.
 648         * array.c (gfc_resolve_character_array_constructor): Use
 649         HOST_WIDE_INT, gfc_mpz_get_hwi.
 650         * check.c (gfc_check_fe_runtime_error): Use size_t.
 651         * data.c (create_character_initializer): Use HOST_WIDE_INT,
 652         gfc_extract_hwi.
 653         * decl.c (gfc_set_constant_character_len): Use gfc_charlen_t.
 654         (add_init_expr_to_sym): Use HOST_WIDE_INT.
 655         * expr.c (gfc_build_init_expr): Use HOST_WIDE_INT,
 656         gfc_extract_hwi.
 657         (gfc_apply_init): Likewise.
 658         * match.h (gfc_set_constant_character_len): Update prototype.
 659         * primary.c (match_string_constant): Use size_t.
 660         * resolve.c (resolve_ordinary_assign): Use HOST_WIDE_INT,
 661         gfc_mpz_get_hwi.
 662         * simplify.c (init_result_expr): Likewise.
 663         (gfc_simplify_len_trim): Use size_t.
 664         * target-memory.c (gfc_encode_character): Use size_t.
 665         (gfc_target_encode_expr): Use HOST_WIDE_INT, gfc_mpz_get_hwi.
 666         (interpret_array): Use size_t.
 667         (gfc_interpret_character): Likewise.
 668         * target-memory.h (gfc_encode_character): Update prototype.
 669         (gfc_interpret_character): Likewise.
 670         (gfc_target_interpret_expr): Likewise.
 671         * trans-const.c (gfc_build_string_const): Use size_t for length
 672         argument.
 673         (gfc_build_wide_string_const): Likewise.
 674         * trans-const.h (gfc_build_string_const): Likewise.
 675         (gfc_build_wide_string_const): Likewise.
 676
 677 2018-01-20  Steven G. Kargl  <kargl@gcc.gnu.org>
 678
 679         PR fortran/83900
 680     * simplify.c (gfc_simplify_matmul): Set return type correctly.
 681
 682 2018-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>
 683
 684         PR fortran/83900
 685         * simplify.c (gfc_simplify_matmul): Delete bogus assertion.
 686
 687 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
 688
 689         PR fortran/83864
 690         * expr.c (add_init_expr_to_sym): Do not dereference NULL pointer.
 691
 692 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
 693
 694         PR fortran/83874
 695         * decl.c (add_init_expr_to_sym): Do not dereference NULL pointer.
 696
 697 2018-01-15  Louis Krupp  <louis.krupp@zoho.com>
 698
 699         PR fortran/82257
 700         * interface.c (compare_rank): Don't try to retrieve CLASS_DATA
 701         from symbol marked unlimited polymorphic.
 702         * resolve.c (resolve_structure_cons): Likewise.
 703         * misc.c (gfc_typename): Don't dereference derived->components
 704         if it's NULL.
 705
 706 2018-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
 707
 708         PR fortran/54613
 709         * gfortran.h (gfc_check_f): Rename f4ml to f5ml.
 710         (gfc_logical_4_kind): New macro
 711         * intrinsic.h (gfc_simplify_minloc): Add a gfc_expr *argument.
 712         (gfc_simplify_maxloc): Likewise.
 713         (gfc_resolve_maxloc): Likewise.
 714         (gfc_resolve_minloc): Likewise.
 715         * check.c (gfc_check_minloc_maxloc): Add checking for "back"
 716         argument; also raise error if it is used (for now). Add it
 717         if it isn't present.
 718         * intrinsic.c (add_sym_4ml): Rename to
 719         (add_sym_5ml), adjust for extra argument.
 720         (add_functions): Add "back" constant. Adjust maxloc and minloc
 721         for back argument.
 722         * iresolve.c (gfc_resolve_maxloc): Add back argument. If back is
 723         not of gfc_logical_4_kind, convert.
 724         (gfc_resolve_minloc): Likewise.
 725         * simplify.c (gfc_simplify_minloc): Add back argument.
 726         (gfc_simplify_maxloc): Likewise.
 727         * trans-intinsic.c (gfc_conv_intrinsic_minmaxloc): Rename last
 728         argument to %VAL to ensure passing by value.
 729         (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_minmaxloc
 730         also for library calls.
 731
 732 2018-01-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 733
 734         PR fortran/82007
 735         * resolve.c (resolve_transfer): Delete code looking for 'DT'
 736         format specifiers in format strings. Set formatted to true if a
 737         format string or format label is present.
 738         * trans-io.c (get_dtio_proc): Likewise. (transfer_expr): Fix
 739         whitespace.
 740
 741 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
 742
 743         PR fortran/83744
 744         * dump-parse-tree.c (get_c_type_name): Remove extra line.
 745         Change for loop to use declaration in for loop. Handle BT_LOGICAL
 746         and BT_CHARACTER.
 747         (write_decl): Add where argument. Fix indentation. Replace
 748         assert with error message. Add typename to warning
 749         in comment.
 750         (write_type): Adjust locus to call of write_decl.
 751         (write_variable): Likewise.
 752         (write_proc): Likewise. Replace assert with error message.
 753
 754 2018-01-13  Paul Thomas  <pault@gcc.gnu.org>
 755
 756         PR fortran/52162
 757         * trans-expr.c (gfc_trans_scalar_assign): Flag is_alloc_lhs if
 758         the rhs expression is neither an elemental nor a conversion
 759         function.
 760
 761         PR fortran/83622
 762         * trans-array.c (is_pointer_array): Remove unconditional return
 763         of false for -fopenmp.
 764
 765 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
 766         <emsr@gcc.gnu.org>
 767
 768         PR fortran/83803
 769         * dump-parse-tree.c (write_proc): Always emit closing parenthesis
 770         for functions.
 771
 772 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 773
 774         PR fortran/82367
 775         * resolve.c (resolve_allocate_expr): Check for NULL pointer.
 776
 777 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 778
 779         PR fortran/83093
 780         * resolve.c (resolve_charlen): Check the type of cl->length
 781         after resolution.
 782
 783 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
 784
 785         PR fortran/83740
 786         * trans-array.c (gfc_trans_array_ctor_element): Fix formatting.
 787
 788 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
 789
 790         PR fortran/83740
 791         * trans-array.c (gfc_trans_array_ctor_element): Convert RHS to the
 792         LHS type when assigning.
 793
 794 2018-01-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 795
 796         PR fortran/83742
 797         * expr.c (gfc_is_simply_contiguous): Check for NULL pointer.
 798
 799 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 800
 801         * match.c (gfc_match_allocate): Check for NULL pointer.
 802
 803 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 804
 805         * expr.c (gfc_check_pointer_assign): Fix typo in comment.
 806
 807 2018-01-08  Paul Thomas  <pault@gcc.gnu.org>
 808
 809         PR fortran/83611
 810         * decl.c (gfc_get_pdt_instance): If parameterized arrays have
 811         an initializer, convert the kind parameters and add to the
 812         component if the instance.
 813         * trans-array.c (structure_alloc_comps): Add 'is_pdt_type' and
 814         use it with case COPY_ALLOC_COMP. Call 'duplicate_allocatable'
 815         for parameterized arrays. Clean up typos in comments. Convert
 816         parameterized array initializers and copy into the array.
 817         * trans-expr.c (gfc_trans_scalar_assign): Do a deep copy for
 818         parameterized types.
 819         *trans-stmt.c (trans_associate_var): Deallocate associate vars
 820         as necessary, when they are PDT function results for example.
 821
 822         PR fortran/83731
 823         * trans-array.c (structure_alloc_comps): Only compare len parms
 824         when they are declared explicitly.
 825
 826 2018-01-06  Janne Blomqvist  <jb@gcc.gnu.org>
 827
 828         PR fortran/50892
 829         * trans-expr.c (gfc_trans_pointer_assignment): fold_convert rhs to
 830         lhs type.
 831
 832 2018-01-05  Janne Blomqvist  <jb@gcc.gnu.org>
 833
 834         PR fortran/78534
 835         PR fortran/66310
 836         * array.c (got_charlen): Use gfc_charlen_int_kind.
 837         * class.c (gfc_find_derived_vtab): Use gfc_size_kind instead of
 838         hardcoded kind.
 839         (find_intrinsic_vtab): Likewise.
 840         * decl.c (match_char_length): Use gfc_charlen_int_kind.
 841         (add_init_expr_to_sym): Use gfc_charlen_t and gfc_charlen_int_kind.
 842         (gfc_match_implicit): Use gfc_charlen_int_kind.
 843         * dump-parse-tree.c (show_char_const): Use gfc_charlen_t and size_t.
 844         (show_expr): Use HOST_WIDE_INT_PRINT_DEC.
 845         * expr.c (gfc_get_character_expr): Length parameter of type
 846         gfc_charlen_t.
 847         (gfc_get_int_expr): Value argument of type HOST_WIDE_INT.
 848         (gfc_extract_hwi): New function.
 849         (simplify_const_ref): Make string_len of type gfc_charlen_t.
 850         (gfc_simplify_expr): Use HOST_WIDE_INT for substring refs.
 851         * frontend-passes.c (optimize_trim): Use gfc_charlen_int_kind.
 852         * gfortran.h (gfc_mpz_get_hwi): New prototype.
 853         (gfc_mpz_set_hwi): Likewise.
 854         (gfc_charlen_t): New typedef.
 855         (gfc_expr): Use gfc_charlen_t for character lengths.
 856         (gfc_size_kind): New extern variable.
 857         (gfc_extract_hwi): New prototype.
 858         (gfc_get_character_expr): Use gfc_charlen_t for character length.
 859         (gfc_get_int_expr): Use HOST_WIDE_INT type for value argument.
 860         * gfortran.texi: Update description of hidden string length argument.
 861         * iresolve.c (check_charlen_present): Use gfc_charlen_int_kind.
 862         (gfc_resolve_char_achar): Likewise.
 863         (gfc_resolve_repeat): Pass string length directly without
 864         temporary, use gfc_charlen_int_kind.
 865         (gfc_resolve_transfer): Use gfc_charlen_int_kind.
 866         * match.c (select_intrinsic_set_tmp): Use HOST_WIDE_INT for charlen.
 867         * misc.c (gfc_mpz_get_hwi): New function.
 868         (gfc_mpz_set_hwi): New function.
 869         * module.c (atom_int): Change type from int to HOST_WIDE_INT.
 870         (parse_integer): Don't complain about large integers.
 871         (write_atom): Use HOST_WIDE_INT for integers.
 872         (mio_integer): Handle integer type mismatch.
 873         (mio_hwi): New function.
 874         (mio_intrinsic_op): Use HOST_WIDE_INT.
 875         (mio_array_ref): Likewise.
 876         (mio_expr): Likewise.
 877         * primary.c (match_substring): Use gfc_charlen_int_kind.
 878         * resolve.c (resolve_substring_charlen): Use gfc_charlen_int_kind.
 879         (resolve_character_operator): Likewise.
 880         (resolve_assoc_var): Likewise.
 881         (resolve_select_type): Use HOST_WIDE_INT for charlen, use snprintf.
 882         (resolve_charlen): Use mpz_sgn to determine sign.
 883         * simplify.c (gfc_simplify_repeat): Use HOST_WIDE_INT/gfc_charlen_t
 884         instead of long.
 885         * symbol.c (generate_isocbinding_symbol): Use gfc_charlen_int_kind.
 886         * target-memory.c (size_character): Length argument of type
 887         gfc_charlen_t.
 888         (gfc_encode_character): Likewise.
 889         (gfc_interpret_character): Use gfc_charlen_t.
 890         * target-memory.h (gfc_encode_character): Modify prototype.
 891         * trans-array.c (gfc_trans_array_ctor_element): Use existing type.
 892         (get_array_ctor_var_strlen): Use gfc_conv_mpz_to_tree_type.
 893         (trans_array_constructor): Use existing type.
 894         (get_array_charlen): Likewise.
 895         * trans-const.c (gfc_conv_mpz_to_tree_type): New function.
 896         * trans-const.h (gfc_conv_mpz_to_tree_type): New prototype.
 897         * trans-decl.c (gfc_trans_deferred_vars): Use existing type.
 898         (add_argument_checking): Likewise.
 899         * trans-expr.c (gfc_class_len_or_zero_get): Build const of type
 900         gfc_charlen_type_node.
 901         (gfc_conv_intrinsic_to_class): Use gfc_charlen_int_kind instead of
 902         4, fold_convert to correct type.
 903         (gfc_conv_class_to_class): Build const of type size_type_node for
 904         size.
 905         (gfc_copy_class_to_class): Likewise.
 906         (gfc_conv_string_length): Use same type in expression.
 907         (gfc_conv_substring): Likewise, use HOST_WIDE_INT for charlen.
 908         (gfc_conv_string_tmp): Make sure len is of the right type.
 909         (gfc_conv_concat_op): Use same type in expression.
 910         (gfc_conv_procedure_call): Likewise.
 911         (fill_with_spaces): Comment out memset() block due to spurious
 912         -Wstringop-overflow warnings.
 913         (gfc_trans_string_copy): Use gfc_charlen_type_node.
 914         (alloc_scalar_allocatable_for_subcomponent_assignment):
 915         fold_convert to right type.
 916         (gfc_trans_subcomponent_assign): Likewise.
 917         (trans_class_vptr_len_assignment): Build const of correct type.
 918         (gfc_trans_pointer_assignment): Likewise.
 919         (alloc_scalar_allocatable_for_assignment): fold_convert to right
 920         type in expr.
 921         (trans_class_assignment): Build const of correct type.
 922         * trans-intrinsic.c (gfc_conv_associated): Likewise.
 923         (gfc_conv_intrinsic_repeat): Do calculation in sizetype.
 924         * trans-io.c (gfc_build_io_library_fndecls): Use
 925         gfc_charlen_type_node for character lengths.
 926         (set_string): Convert to right type in assignment.
 927         * trans-stmt.c (gfc_trans_label_assign): Build const of
 928         gfc_charlen_type_node.
 929         (trans_associate_var): Likewise.
 930         (gfc_trans_character_select): Likewise.
 931         (gfc_trans_allocate): Likewise, don't typecast strlen result.
 932         (gfc_trans_deallocate): Don't typecast strlen result.
 933         * trans-types.c (gfc_size_kind): New variable.
 934         (gfc_init_types): Determine gfc_charlen_int_kind and gfc_size_kind
 935         from size_type_node.
 936         * trans-types.h: Fix comment.
 937
 938 2018-01-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
 939
 940         PR fortran/83683
 941         PR fortran/45689
 942         * check.c (gfc_check_eoshift): Check for string length and
 943         for conformance of boundary.
 944         * intrinsic.c (add_functions): Add gfc_simplify_eoshift.
 945         * intrinsic.h: Add prototype for gfc_simplify_eoshift.
 946         * simplify.c (gfc_simplify_eoshift): New function.
 947
 948 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
 949             Alan Hayward  <alan.hayward@arm.com>
 950             David Sherwood  <david.sherwood@arm.com>
 951
 952         * trans-types.c (gfc_type_for_mode): Handle MODE_VECTOR_BOOL.
 953
 954 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
 955             Alan Hayward  <alan.hayward@arm.com>
 956             David Sherwood  <david.sherwood@arm.com>
 957
 958         * trans-types.c (gfc_type_for_mode): Check valid_vector_subparts_p.
 959
 960 2018-01-03  Thomas Koenig  <tkoenig@gcc.gnu.org>
 961
 962         PR fortran/83664
 963         * check.c (gfc_check_eoshift): Error for missing boundary if array
 964         is not one of the standard types.
 965
 966 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 967
 968         Update copyright years.
 969
 970         * gfortranspec.c (lang_specific_driver): Update copyright notice
 971         dates.
 972         * gfc-internals.texi: Bump @copying's copyright year.
 973         * gfortran.texi: Ditto.
 974         * intrinsic.texi: Ditto.
 975         * invoke.texi: Ditto.
 976
 977 2017-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 978
 979         PR fortran/45689
 980         * intrinsic.c (add_function): Add gfc_simplify_maxloc and
 981         gfc_simplify_minloc to maxloc and minloc, respectively.
 982         * intrinsic.h: Add prototypes for gfc_simplify_minloc
 983         and gfc_simplify_maxloc.
 984         * simplify.c (min_max_chose): Adjust prototype.  Modify function
 985         to have a return value which indicates if the extremum was found.
 986         (is_constant_array_expr): Fix typo in comment.
 987         (simplify_minmaxloc_to_scalar): New function.
 988         (simplify_minmaxloc_nodim): New function.
 989         (new_array): New function.
 990         (simplify_minmaxloc_to_array): New function.
 991         (gfc_simplify_minmaxloc): New function.
 992         (simplify_minloc): New function.
 993         (simplify_maxloc): New function.
 994
 995 2018-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 996
 997         PR fortran/45689
 998         PR fortran/83650
 999         * simplify.c (gfc_simplify_cshift): Re-implement to allow full
1000         range of arguments.
1001
1002 2018-01-01  Paul Thomas  <pault@gcc.gnu.org>
1003
1004         PR fortran/83076
1005         * resolve.c (resolve_fl_derived0): Add caf_token fields for
1006         allocatable and pointer scalars, when -fcoarray selected.
1007         * trans-types.c (gfc_copy_dt_decls_ifequal): Copy the token
1008         field as well as the backend_decl.
1009         (gfc_get_derived_type): Flag GFC_FCOARRAY_LIB for module
1010         derived types that are not vtypes. Components with caf_token
1011         attribute are pvoid types. For a component requiring it, find
1012         the caf_token field and have the component token field point to
1013         its backend_decl.
1014
1015         PR fortran/83319
1016         *trans-types.c (gfc_get_array_descriptor_base): Add the token
1017         field to the descriptor even when codimen not set.
1018 \f
1019 Copyright (C) 2018 Free Software Foundation, Inc.
1020
1021 Copying and distribution of this file, with or without modification,
1022 are permitted in any medium without royalty provided the copyright
1023 notice and this notice are preserved.