gcc/fortran/ChangeLog

   1 2022-03-17   Michael Meissner  <meissner@linux.ibm.com>
   2
   3         PR fortran/96983
   4         * trans-intrinsic.c (build_round_expr): If int type is larger than
   5         long long, do the round and convert to the integer type.  Do not
   6         try to find a floating point type the exact size of the integer
   7         type.  Backport patch from 2021-04-22 on the trunk.
   8
   9 2022-03-13  Harald Anlauf  <anlauf@gmx.de>
  10
  11         Backported from master:
  12         2022-03-08  Harald Anlauf  <anlauf@gmx.de>
  13
  14         PR fortran/104811
  15         * frontend-passes.c (optimize_minmaxloc): Do not attempt
  16         frontend-optimization of MINLOC/MAXLOC for character arrays, as
  17         there is no suitable code yet for inline expansion.
  18
  19 2022-02-23  Harald Anlauf  <anlauf@gmx.de>
  20
  21         Backported from master:
  22         2022-02-22  Harald Anlauf  <anlauf@gmx.de>
  23
  24         PR fortran/104619
  25         * resolve.c (resolve_structure_cons): Skip shape check if shape
  26         of constructor cannot be determined at compile time.
  27
  28 2022-02-20  Harald Anlauf  <anlauf@gmx.de>
  29
  30         Backported from master:
  31         2022-02-09  Harald Anlauf  <anlauf@gmx.de>
  32
  33         PR fortran/66193
  34         * arith.c (reduce_binary_ac): When reducing binary expressions,
  35         try simplification.  Handle case of empty constructor.
  36         (reduce_binary_ca): Likewise.
  37
  38 2022-02-16  Harald Anlauf  <anlauf@gmx.de>
  39
  40         Backported from master:
  41         2022-02-14  Harald Anlauf  <anlauf@gmx.de>
  42
  43         PR fortran/104211
  44         * expr.c (find_array_section): Replace assertion by error
  45         recovery when encountering bad array constructor.
  46
  47 2022-02-14  Andre Vehreschild  <vehre@gcc.gnu.org>
  48
  49         PR fortran/100337
  50         Backport from master.
  51         * trans-intrinsic.c (conv_co_collective): Check stat for null ptr
  52         before dereferrencing.
  53
  54 2022-02-14  Andre Vehreschild  <vehre@gcc.gnu.org>
  55
  56         PR fortran/103790
  57         Backported from master.
  58         * trans-array.c (structure_alloc_comps): Prevent descriptor
  59         stacking for non-array data; do not broadcast caf-tokens.
  60         * trans-intrinsic.c (conv_co_collective): Prevent generation
  61         of unused descriptor.
  62
  63 2022-02-04  Harald Anlauf  <anlauf@gmx.de>
  64
  65         Backported from master:
  66         2022-02-03  Harald Anlauf  <anlauf@gmx.de>
  67
  68         PR fortran/104311
  69         * check.c (gfc_calculate_transfer_sizes): Checks for case when
  70         storage size of SOURCE is greater than zero while the storage size
  71         of MOLD is zero and MOLD is an array shall not depend on SIZE.
  72
  73 2022-02-02  Harald Anlauf  <anlauf@gmx.de>
  74
  75         Backported from master:
  76         2022-02-01  Harald Anlauf  <anlauf@gmx.de>
  77
  78         PR fortran/104331
  79         * simplify.c (gfc_simplify_eoshift): Avoid NULL pointer
  80         dereference when shape is not set.
  81
  82 2022-01-26  Harald Anlauf  <anlauf@gmx.de>
  83
  84         Backported from master:
  85         2022-01-22  Harald Anlauf  <anlauf@gmx.de>
  86
  87         PR fortran/104127
  88         * simplify.c (gfc_simplify_transfer): Ensure that the result
  89         typespec is set up for TRANSFER with MOLD of type CHARACTER
  90         including character length even if the result is a zero-sized
  91         array.
  92
  93 2022-01-26  Harald Anlauf  <anlauf@gmx.de>
  94
  95         Backported from master:
  96         2022-01-25  Harald Anlauf  <anlauf@gmx.de>
  97
  98         PR fortran/104212
  99         * check.c (gfc_check_norm2): Check that optional argument DIM is
 100         scalar.
 101         (gfc_check_parity): Likewise.
 102
 103 2022-01-26  Harald Anlauf  <anlauf@gmx.de>
 104
 105         Backported from master:
 106         2022-01-25  Harald Anlauf  <anlauf@gmx.de>
 107
 108         PR fortran/104227
 109         * check.c (gfc_calculate_transfer_sizes): Fix checking of arrays
 110         passed as MOLD argument to the TRANSFER intrinsic for having
 111         storage size zero.
 112
 113 2022-01-23  Harald Anlauf  <anlauf@gmx.de>
 114
 115         Backported from master:
 116         2022-01-15  Harald Anlauf  <anlauf@gmx.de>
 117
 118         PR fortran/83079
 119         * target-memory.c (gfc_interpret_character): Result length is
 120         in bytes and thus depends on the character kind.
 121         * trans-intrinsic.c (gfc_conv_intrinsic_transfer): Compute correct
 122         string length for the result of the TRANSFER intrinsic and for
 123         temporaries for the different character kinds.
 124
 125 2022-01-20  Harald Anlauf  <anlauf@gmx.de>
 126
 127         Backported from master:
 128         2022-01-18  Harald Anlauf  <anlauf@gmx.de>
 129
 130         PR fortran/103692
 131         * array.c (gfc_expand_constructor): Handle zero-sized array
 132         constructors.
 133
 134 2022-01-17  Mikael Morin  <mikael@gcc.gnu.org>
 135
 136         Backported from master:
 137         2022-01-09  Mikael Morin  <mikael@gcc.gnu.org>
 138
 139         PR fortran/103789
 140         * trans-array.c (arg_evaluated_for_scalarization): Add MASKL, MASKR,
 141         SCAN and VERIFY to the list of intrinsics whose KIND argument is to be
 142         ignored.
 143
 144 2022-01-16  Mikael Morin  <mikael@gcc.gnu.org>
 145
 146         Backported from master:
 147         2022-01-09  Mikael Morin  <mikael@gcc.gnu.org>
 148
 149         PR fortran/103789
 150         * trans-array.c (arg_evaluated_for_scalarization): Add MASKL, MASKR,
 151         SCAN and VERIFY to the list of intrinsics whose KIND argument is to be
 152         ignored.
 153
 154 2022-01-16  Mikael Morin  <mikael@gcc.gnu.org>
 155
 156         Backported from master:
 157         2022-01-16  Mikael Morin  <mikael@gcc.gnu.org>
 158
 159         PR fortran/87711
 160         PR fortran/97896
 161         * trans-array.c (arg_evaluated_for_scalarization): Handle keyword and
 162         non-keyword arguments separatedly.  Adapt the expected argument index
 163         for KIND to each intrinsic in the non-keyword case.
 164
 165 2022-01-16  Harald Anlauf  <anlauf@gmx.de>
 166
 167         Backported from master:
 168         2022-01-14  Harald Anlauf  <anlauf@gmx.de>
 169
 170         PR fortran/103782
 171         * expr.c (gfc_simplify_expr): Adjust logic for when to scalarize a
 172         call of an intrinsic which may have been overloaded.
 173
 174 2022-01-16  Harald Anlauf  <anlauf@gmx.de>
 175
 176         Backported from master:
 177         2022-01-13  Harald Anlauf  <anlauf@gmx.de>
 178
 179         PR fortran/67804
 180         * primary.c (gfc_match_structure_constructor): Recover from errors
 181         that occurred while checking for a valid structure constructor in
 182         a DATA statement.
 183
 184 2022-01-15  Harald Anlauf  <anlauf@gmx.de>
 185
 186         Backported from master:
 187         2022-01-09  Harald Anlauf  <anlauf@gmx.de>
 188
 189         PR fortran/101762
 190         * expr.c (gfc_check_pointer_assign): For pointer initialization
 191         targets, check that subscripts and substring indices in
 192         specifications are constant expressions.
 193
 194 2022-01-15  Harald Anlauf  <anlauf@gmx.de>
 195
 196         Backported from master:
 197         2022-01-09  Harald Anlauf  <anlauf@gmx.de>
 198
 199         PR fortran/103777
 200         * simplify.c (gfc_simplify_maskr): Check validity of argument 'I'
 201         before simplifying.
 202         (gfc_simplify_maskl): Likewise.
 203
 204 2022-01-02  Harald Anlauf  <anlauf@gmx.de>
 205
 206         Backported from master:
 207         2021-12-29  Harald Anlauf  <anlauf@gmx.de>
 208
 209         PR fortran/102332
 210         * expr.c (gfc_get_variable_expr): Avoid NULL pointer dereferences
 211         during handling of errors with invalid uses of CLASS variables.
 212         * match.c (select_type_set_tmp): Likewise.
 213         * primary.c (gfc_match_varspec): Likewise.
 214         * resolve.c (resolve_variable): Likewise.
 215         (resolve_select_type): Likewise.
 216
 217 2021-12-27  Harald Anlauf  <anlauf@gmx.de>
 218
 219         Backported from master:
 220         2021-12-22  Harald Anlauf  <anlauf@gmx.de>
 221
 222         PR fortran/103776
 223         * match.c (match_case_selector): Reject expressions in CASE
 224         selector which are not scalar.
 225
 226 2021-12-27  Harald Anlauf  <anlauf@gmx.de>
 227
 228         Backported from master:
 229         2021-12-22  Harald Anlauf  <anlauf@gmx.de>
 230
 231         PR fortran/103778
 232         * check.c (is_c_interoperable): A BOZ literal constant is not
 233         interoperable.
 234
 235 2021-12-27  Harald Anlauf  <anlauf@gmx.de>
 236
 237         Backported from master:
 238         2021-11-18  Harald Anlauf  <anlauf@gmx.de>
 239                     Steven G. Kargl  <kargl@gcc.gnu.org>
 240
 241         PR fortran/101329
 242         * check.c (is_c_interoperable): Reject NULL() as it is not
 243         interoperable.
 244
 245 2021-12-19  Harald Anlauf  <anlauf@gmx.de>
 246
 247         Backported from master:
 248         2021-12-10  Harald Anlauf  <anlauf@gmx.de>
 249
 250         PR fortran/103418
 251         * check.c (variable_check): Replace previous check of procedure
 252         dummy arguments with INTENT(IN) attribute when passed to intrinsic
 253         procedures by gfc_check_vardef_context.
 254         * expr.c (gfc_check_vardef_context): Correct check of INTENT(IN)
 255         dummy arguments for the case of sub-components of a CLASS pointer.
 256
 257 2021-12-19  Harald Anlauf  <anlauf@gmx.de>
 258
 259         Backported from master:
 260         2021-12-18  Harald Anlauf  <anlauf@gmx.de>
 261
 262         PR fortran/103412
 263         * check.c (gfc_check_sizeof): Reject BOZ type argument.
 264
 265 2021-12-15  Harald Anlauf  <anlauf@gmx.de>
 266
 267         Backported from master:
 268         2021-12-14  Harald Anlauf  <anlauf@gmx.de>
 269
 270         PR fortran/103717
 271         * frontend-passes.c (doloop_code): Prevent NULL pointer
 272         dereference when checking for passing a do-loop variable to a
 273         contained procedure with an interface mismatch.
 274
 275 2021-12-15  Harald Anlauf  <anlauf@gmx.de>
 276
 277         Backported from master:
 278         2021-12-14  Harald Anlauf  <anlauf@gmx.de>
 279
 280         PR fortran/103718
 281         PR fortran/103719
 282         * frontend-passes.c (doloop_contained_procedure_code): Add several
 283         checks to prevent NULL pointer dereferences on valid and invalid
 284         code called within do-loops.
 285
 286 2021-12-12  Harald Anlauf  <anlauf@gmx.de>
 287
 288         Backported from master:
 289         2021-12-11  Harald Anlauf  <anlauf@gmx.de>
 290
 291         PR fortran/103606
 292         * resolve.c (resolve_fl_procedure): Do not access CLASS components
 293         before class container has been built.
 294
 295 2021-12-11  Harald Anlauf  <anlauf@gmx.de>
 296
 297         Backported from master:
 298         2021-12-07  Harald Anlauf  <anlauf@gmx.de>
 299
 300         PR fortran/103588
 301         * array.c (gfc_ref_dimen_size): Do not generate internal error on
 302         failed simplification of stride expression; just return failure.
 303
 304 2021-12-10  Harald Anlauf  <anlauf@gmx.de>
 305
 306         Backported from master:
 307         2021-12-08  Harald Anlauf  <anlauf@gmx.de>
 308
 309         PR fortran/103610
 310         * array.c (spec_dimen_size): Fix simplification of SHAPE:
 311         dimensions must be non-negative.
 312
 313 2021-12-09  Harald Anlauf  <anlauf@gmx.de>
 314
 315         Backported from master:
 316         2021-12-08  Harald Anlauf  <anlauf@gmx.de>
 317
 318         PR fortran/103609
 319         * symbol.c (gfc_sym_get_dummy_args): Catch NULL pointer
 320         dereference.
 321
 322 2021-12-08  Harald Anlauf  <anlauf@gmx.de>
 323
 324         Backported from master:
 325         2021-12-07  Harald Anlauf  <anlauf@gmx.de>
 326
 327         PR fortran/103591
 328         * match.c (match_case_selector): Check type of upper bound in case
 329         range.
 330
 331 2021-12-08  Harald Anlauf  <anlauf@gmx.de>
 332
 333         Backported from master:
 334         2021-12-07  Harald Anlauf  <anlauf@gmx.de>
 335
 336         PR fortran/103607
 337         * frontend-passes.c (do_subscript): Ensure that array bounds are
 338         of type INTEGER before performing checks on array subscripts.
 339
 340 2021-12-04  Harald Anlauf  <anlauf@gmx.de>
 341
 342         Backported from master:
 343         2021-11-30  Harald Anlauf  <anlauf@gmx.de>
 344
 345         PR fortran/102787
 346         * array.c (expand_constructor): When encountering a constant array
 347         expression or array section within a constructor, simplify it to
 348         enable better expansion.
 349
 350 2021-12-04  Harald Anlauf  <anlauf@gmx.de>
 351
 352         Backported from master:
 353         2021-10-14  Harald Anlauf  <anlauf@gmx.de>
 354
 355         PR fortran/102717
 356         * simplify.c (gfc_simplify_reshape): Replace assert by error
 357         message for negative elements in SHAPE array.
 358
 359 2021-12-04  Harald Anlauf  <anlauf@gmx.de>
 360
 361         Backported from master:
 362         2021-11-26  Harald Anlauf  <anlauf@gmx.de>
 363
 364         PR fortran/103411
 365         * check.c (gfc_check_reshape): Improve check of size of source
 366         array for the RESHAPE intrinsic against the given shape when pad
 367         is not given, and shape is a parameter.  Try other simplifications
 368         of shape.
 369
 370 2021-12-04  Harald Anlauf  <anlauf@gmx.de>
 371
 372         Backported from master:
 373         2021-11-30  Harald Anlauf  <anlauf@gmx.de>
 374
 375         PR fortran/103473
 376         * simplify.c (simplify_minmaxloc_nodim): Avoid NULL pointer
 377         dereference when shape is not set.
 378
 379 2021-12-04  Harald Anlauf  <anlauf@gmx.de>
 380
 381         Backported from master:
 382         2021-12-03  Harald Anlauf  <anlauf@gmx.de>
 383                     Steven G. Kargl  <kargl@gcc.gnu.org>
 384
 385         PR fortran/103505
 386         * array.c (match_array_element_spec): Try to simplify array
 387         element specifications to improve early checking.
 388         * expr.c (gfc_try_simplify_expr): New.  Try simplification of an
 389         expression via gfc_simplify_expr.  When an error occurs, roll
 390         back.
 391         * gfortran.h (gfc_try_simplify_expr): Declare it.
 392
 393 2021-11-29  Jakub Jelinek  <jakub@redhat.com>
 394
 395         Backported from master:
 396         2021-11-21  Jakub Jelinek  <jakub@redhat.com>
 397
 398         PR debug/103315
 399         * trans-types.c (gfc_get_array_descr_info): Use DW_OP_deref_size 1
 400         instead of DW_OP_deref for DW_AT_rank.
 401
 402 2021-11-24  Harald Anlauf  <anlauf@gmx.de>
 403
 404         Backported from master:
 405         2021-11-23  Harald Anlauf  <anlauf@gmx.de>
 406
 407         PR fortran/103392
 408         * simplify.c (simplify_bound): Do not try to simplify
 409         LBOUND/UBOUND for arrays with POINTER or ALLOCATABLE attribute.
 410
 411 2021-11-24  Harald Anlauf  <anlauf@gmx.de>
 412
 413         Backported from master:
 414         2021-11-23  Harald Anlauf  <anlauf@gmx.de>
 415
 416         PR fortran/87711
 417         PR fortran/87851
 418         * trans-array.c (arg_evaluated_for_scalarization): Add LEN_TRIM to
 419         list of intrinsics for which an optional KIND argument needs to be
 420         removed before scalarization.
 421
 422 2021-11-22  Harald Anlauf  <anlauf@gmx.de>
 423
 424         Backported from master:
 425         2021-11-21  Harald Anlauf  <anlauf@gmx.de>
 426                     Steven G. Kargl  <kargl@gcc.gnu.org>
 427
 428         PR fortran/99061
 429         * trans-intrinsic.c (gfc_lookup_intrinsic): Helper function for
 430         looking up gfortran builtin intrinsics.
 431         (gfc_conv_intrinsic_atrigd): Use it.
 432         (gfc_conv_intrinsic_cotan): Likewise.
 433         (gfc_conv_intrinsic_cotand): Likewise.
 434         (gfc_conv_intrinsic_atan2d): Likewise.
 435
 436 2021-11-16  Mikael Morin  <mikael@gcc.gnu.org>
 437
 438         Backported from master:
 439         2021-11-12  Mikael Morin  <mikael@gcc.gnu.org>
 440
 441         PR fortran/97896
 442         * intrinsic.c (add_sym_4ind): Remove.
 443         (add_functions): Use add_sym4 instead of add_sym4ind.
 444         Don’t special case the index intrinsic.
 445         * iresolve.c (gfc_resolve_index_func): Use the individual arguments
 446         directly instead of the full argument list.
 447         * intrinsic.h (gfc_resolve_index_func): Update the declaration
 448         accordingly.
 449         * trans-decl.c (gfc_get_extern_function_decl): Don’t modify the
 450         list of arguments in the case of the index intrinsic.
 451         * trans-array.h (gfc_get_intrinsic_for_expr,
 452         gfc_get_proc_ifc_for_expr): New.
 453         * trans-array.c (gfc_get_intrinsic_for_expr,
 454         arg_evaluated_for_scalarization): New.
 455         (gfc_walk_elemental_function_args): Add intrinsic procedure
 456         as argument.  Count arguments.  Check arg_evaluated_for_scalarization.
 457         * trans-intrinsic.c (gfc_walk_intrinsic_function): Update call.
 458         * trans-stmt.c (get_intrinsic_for_code): New.
 459         (gfc_trans_call): Update call.
 460
 461 2021-11-11  Harald Anlauf  <anlauf@gmx.de>
 462
 463         Backported from master:
 464         2021-11-10  Harald Anlauf  <anlauf@gmx.de>
 465
 466         PR fortran/103137
 467         PR fortran/103138
 468         * check.c (gfc_check_shape): Avoid NULL pointer dereference on
 469         missing ref.
 470         * simplify.c (gfc_simplify_cshift): Avoid NULL pointer dereference
 471         when shape not set.
 472         (gfc_simplify_transpose): Likewise.
 473
 474 2021-11-07  Harald Anlauf  <anlauf@gmx.de>
 475
 476         Backported from master:
 477         2021-10-26  Harald Anlauf  <anlauf@gmx.de>
 478
 479         PR fortran/102816
 480         * resolve.c (resolve_structure_cons): Reject invalid array spec of
 481         a DT component referenced in a structure constructor.
 482
 483 2021-11-07  Harald Anlauf  <anlauf@gmx.de>
 484
 485         Backported from master:
 486         2021-10-15  Harald Anlauf  <anlauf@gmx.de>
 487                     Tobias Burnus  <tobias@codesourcery.com>
 488
 489         PR fortran/102685
 490         * decl.c (match_clist_expr): Set rank/shape of clist initializer
 491         to match LHS.
 492         * resolve.c (resolve_structure_cons): In a structure constructor,
 493         compare shapes of array components against declared shape.
 494
 495 2021-11-07  Harald Anlauf  <anlauf@gmx.de>
 496
 497         Backported from master:
 498         2021-11-06  Harald Anlauf  <anlauf@gmx.de>
 499
 500         PR fortran/102715
 501         * decl.c (add_init_expr_to_sym): Reject rank mismatch between
 502         array and its initializer.
 503
 504 2021-11-07  Harald Anlauf  <anlauf@gmx.de>
 505
 506         Backported from master:
 507         2021-11-05  Harald Anlauf  <anlauf@gmx.de>
 508
 509         PR fortran/102817
 510         * expr.c (simplify_parameter_variable): Copy shape of referenced
 511         subobject when simplifying.
 512
 513 2021-11-07  Harald Anlauf  <anlauf@gmx.de>
 514
 515         Backported from master:
 516         2021-10-10  Harald Anlauf  <anlauf@gmx.de>
 517
 518         PR fortran/99348
 519         PR fortran/102521
 520         * decl.c (add_init_expr_to_sym): Extend initialization of
 521         parameter arrays from scalars to handle derived types.
 522
 523 2021-10-27  Harald Anlauf  <anlauf@gmx.de>
 524
 525         Backported from master:
 526         2021-10-26  Harald Anlauf  <anlauf@gmx.de>
 527
 528         PR fortran/102917
 529         * decl.c (match_attr_spec): Remove invalid integer kind checks on
 530         KIND and LEN attributes of PDTs.
 531
 532 2021-10-19  Tobias Burnus  <tobias@codesourcery.com>
 533
 534         Backported from master:
 535         2021-10-18  Tobias Burnus  <tobias@codesourcery.com>
 536
 537         PR fortran/102745
 538         * intrinsic.c (gfc_convert_type_warn): Fix checks by checking CLASS
 539         and do typcheck in correct order for type extension.
 540         * misc.c (gfc_typename): Print proper not internal CLASS type name.
 541
 542 2021-10-17  Harald Anlauf  <anlauf@gmx.de>
 543
 544         Backported from master:
 545         2021-10-14  Harald Anlauf  <anlauf@gmx.de>
 546
 547         PR fortran/102716
 548         * check.c (gfc_check_shape): Reorder checks so that invalid KIND
 549         arguments can be detected.
 550
 551 2021-10-06  Tobias Burnus  <tobias@codesourcery.com>
 552
 553         Backported from master:
 554         2021-10-06  Tobias Burnus  <tobias@codesourcery.com>
 555
 556         * resolve.c (resolve_values): Only show
 557         deprecated warning if attr.referenced.
 558
 559 2021-10-03  Harald Anlauf  <anlauf@gmx.de>
 560
 561         Backported from master:
 562         2021-09-30  Harald Anlauf  <anlauf@gmx.de>
 563
 564         PR fortran/102458
 565         * simplify.c (simplify_size): Resolve expressions used in array
 566         specifications so that SIZE can be simplified.
 567
 568 2021-10-03  Harald Anlauf  <anlauf@gmx.de>
 569
 570         Backported from master:
 571         2021-09-24  Harald Anlauf  <anlauf@gmx.de>
 572
 573         PR fortran/102458
 574         * expr.c (is_non_constant_intrinsic): Check for intrinsics
 575         excluded in constant expressions (F2018:10.1.12).
 576         (gfc_is_constant_expr): Use that check.
 577
 578 2021-09-30  Harald Anlauf  <anlauf@gmx.de>
 579
 580         Backported from master:
 581         2021-09-29  Harald Anlauf  <anlauf@gmx.de>
 582
 583         PR fortran/102520
 584         * array.c (expand_constructor): Do not dereference NULL pointer.
 585
 586 2021-09-21  Harald Anlauf  <anlauf@gmx.de>
 587
 588         Backported from master:
 589         2021-09-17  Harald Anlauf  <anlauf@gmx.de>
 590
 591         PR fortran/102366
 592         * trans-decl.c (gfc_finish_var_decl): Disable the warning message
 593         for variables moved from stack to static storange if they are
 594         declared in the main, but allow the move to happen.
 595
 596 2021-09-20  Tobias Burnus  <tobias@codesourcery.com>
 597
 598         * trans-openmp.c (gfc_split_omp_clauses): Don't put 'order(concurrent)'
 599         on 'distribute' for combined directives, matching OpenMP 5.0
 600
 601 2021-09-19  Harald Anlauf  <anlauf@gmx.de>
 602
 603         Backported from master:
 604         2021-09-16  Harald Anlauf  <anlauf@gmx.de>
 605
 606         PR fortran/102287
 607         * trans-expr.c (gfc_conv_procedure_call): Wrap deallocation of
 608         allocatable components of optional allocatable derived type
 609         procedure arguments with INTENT(OUT) into a presence check.
 610
 611 2021-09-19  Harald Anlauf  <anlauf@gmx.de>
 612
 613         Backported from master:
 614         2021-09-14  Harald Anlauf  <anlauf@gmx.de>
 615
 616         PR fortran/102311
 617         * resolve.c (resolve_entries): Attempt to recover cleanly after
 618         rejecting mismatched function entries.
 619
 620 2021-09-16  Harald Anlauf  <anlauf@gmx.de>
 621
 622         Backported from master:
 623         2021-09-13  Harald Anlauf  <anlauf@gmx.de>
 624
 625         PR fortran/85130
 626         * expr.c (find_substring_ref): Handle given substring start and
 627         end indices as signed integers, not unsigned.
 628
 629 2021-09-16  Harald Anlauf  <anlauf@gmx.de>
 630
 631         Backported from master:
 632         2021-09-13  Harald Anlauf  <anlauf@gmx.de>
 633
 634         PR fortran/82314
 635         * decl.c (add_init_expr_to_sym): For proper initialization of
 636         array-valued named constants the array bounds need to be
 637         simplified before adding the initializer.
 638
 639 2021-09-11  Harald Anlauf  <anlauf@gmx.de>
 640
 641         Backported from master:
 642         2021-09-09  Harald Anlauf  <anlauf@gmx.de>
 643
 644         PR fortran/98490
 645         * trans-expr.c (gfc_conv_substring): Do not generate substring
 646         bounds check for implied do loop index variable before it actually
 647         becomes defined.
 648
 649 2021-09-11  Harald Anlauf  <anlauf@gmx.de>
 650
 651         Backported from master:
 652         2021-09-07  Harald Anlauf  <anlauf@gmx.de>
 653
 654         PR fortran/101327
 655         * expr.c (find_array_element): When bounds cannot be determined as
 656         constant, return error instead of aborting.
 657
 658 2021-09-05  Harald Anlauf  <anlauf@gmx.de>
 659
 660         Backported from master:
 661         2021-08-31  Harald Anlauf  <anlauf@gmx.de>
 662
 663         PR fortran/100950
 664         * simplify.c (substring_has_constant_len): Minimize checks for
 665         substring expressions being allowed.
 666
 667 2021-09-05  Harald Anlauf  <anlauf@gmx.de>
 668
 669         Backported from master:
 670         2021-08-19  Harald Anlauf  <anlauf@gmx.de>
 671
 672         PR fortran/100950
 673         * simplify.c (substring_has_constant_len): New.
 674         (gfc_simplify_len): Handle case of substrings with constant
 675         bounds.
 676
 677 2021-09-03  Harald Anlauf  <anlauf@gmx.de>
 678
 679         Backported from master:
 680         2021-08-30  Harald Anlauf  <anlauf@gmx.de>
 681
 682         PR fortran/101349
 683         * resolve.c (resolve_allocate_expr): An unlimited polymorphic
 684         argument to ALLOCATE must be ALLOCATABLE or a POINTER.  Fix the
 685         corresponding check.
 686
 687 2021-09-03  Harald Anlauf  <anlauf@gmx.de>
 688
 689         Backported from master:
 690         2021-08-30  Harald Anlauf  <anlauf@gmx.de>
 691
 692         PR fortran/102113
 693         * match.c (gfc_match_goto): Allow for whitespace in parsing list
 694         of labels.
 695
 696 2021-08-30  Harald Anlauf  <anlauf@gmx.de>
 697
 698         Backported from master:
 699         2021-08-28  Harald Anlauf  <anlauf@gmx.de>
 700
 701         PR fortran/87737
 702         * resolve.c (resolve_entries): For functions of type CHARACTER
 703         tighten the checks for matching characteristics.
 704
 705 2021-08-28  Paul Thomas  <pault@gcc.gnu.org>
 706
 707         Backported from master:
 708         2021-05-06  Paul Thomas  <pault@gcc.gnu.org>
 709
 710         PR fortran/46691
 711         PR fortran/99819
 712         * class.c (gfc_build_class_symbol): Remove the error that
 713         disables assumed size class arrays. Class array types that are
 714         not deferred shape or assumed rank are given a unique name and
 715         placed in the procedure namespace.
 716         * trans-array.c (gfc_trans_g77_array): Obtain the data pointer
 717         for class arrays.
 718         (gfc_trans_dummy_array_bias): Suppress the runtime error for
 719         extent violations in explicit shape class arrays because it
 720         always fails.
 721         * trans-expr.c (gfc_conv_procedure_call): Handle assumed size
 722         class actual arguments passed to non-descriptor formal args by
 723         using the data pointer, stored as the symbol's backend decl.
 724
 725 2021-08-26  Harald Anlauf  <anlauf@gmx.de>
 726
 727         Backported from master:
 728         2021-08-24  Harald Anlauf  <anlauf@gmx.de>
 729
 730         PR fortran/98411
 731         * trans-decl.c (gfc_finish_var_decl): Adjust check to handle
 732         implicit SAVE as well as variables in the main program.  Improve
 733         warning message text.
 734
 735 2021-08-16  Harald Anlauf  <anlauf@gmx.de>
 736
 737         Backported from master:
 738         2021-08-15  Harald Anlauf  <anlauf@gmx.de>
 739
 740         PR fortran/99351
 741         * match.c (sync_statement): Replace %v code by %e in gfc_match to
 742         allow for function references as STAT and ERRMSG arguments.
 743         * resolve.c (resolve_sync): Adjust checks of STAT= and ERRMSG= to
 744         being definable arguments.  Function references with a data
 745         pointer result are accepted.
 746         * trans-stmt.c (gfc_trans_sync): Adjust assertion.
 747
 748 2021-08-11  Harald Anlauf  <anlauf@gmx.de>
 749
 750         Backported from master:
 751         2021-07-28  Harald Anlauf  <anlauf@gmx.de>
 752
 753         PR fortran/101564
 754         * expr.c (gfc_check_vardef_context): Add check for KIND and LEN
 755         parameter inquiries.
 756         * match.c (gfc_match): Fix comment for %v code.
 757         (gfc_match_allocate, gfc_match_deallocate): Replace use of %v code
 758         by %e in gfc_match to allow for function references as STAT and
 759         ERRMSG arguments.
 760         * resolve.c (resolve_allocate_deallocate): Avoid NULL pointer
 761         dereferences and shortcut for bad STAT and ERRMSG argument to
 762         (DE)ALLOCATE.  Remove bogus parts of checks for STAT and ERRMSG.
 763
 764 2021-07-28  Harald Anlauf  <anlauf@gmx.de>
 765
 766         Backported from master:
 767         2021-07-23  Harald Anlauf  <anlauf@gmx.de>
 768
 769         PR fortran/101536
 770         * check.c (array_check): Adjust check for the case of CLASS
 771         arrays.
 772
 773 2021-07-28  Harald Anlauf  <anlauf@gmx.de>
 774
 775         Backported from master:
 776         2021-07-21  Harald Anlauf  <anlauf@gmx.de>
 777
 778         PR fortran/101514
 779         * target-memory.c (gfc_interpret_derived): Size of array component
 780         of derived type can only be computed here for explicit shape.
 781         * trans-types.c (gfc_get_nodesc_array_type): Do not dereference
 782         NULL pointers.
 783
 784 2021-07-28  Harald Anlauf  <anlauf@gmx.de>
 785
 786         Backported from master:
 787         2021-07-18  Harald Anlauf  <anlauf@gmx.de>
 788
 789         PR fortran/101084
 790         * io.c (resolve_tag_format): Extend FORMAT check to unknown type.
 791
 792 2021-07-28  Release Manager
 793
 794         * GCC 11.2.0 released.
 795
 796 2021-07-15  Harald Anlauf  <anlauf@gmx.de>
 797
 798         Backported from master:
 799         2021-07-14  Harald Anlauf  <anlauf@gmx.de>
 800
 801         PR fortran/100949
 802         * trans-expr.c (gfc_trans_class_init_assign): Call
 803         gfc_conv_expr_present only for dummy variables.
 804
 805 2021-07-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 806
 807         Backported from master:
 808         2021-07-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 809
 810         PR fortran/100227
 811         * frontend-passes.c (traverse_io_block): Adjust test for
 812         when a variable is eligible for the transformation to
 813         array slice.
 814
 815 2021-06-19  Harald Anlauf  <anlauf@gmx.de>
 816
 817         Backported from master:
 818         2021-06-18  Harald Anlauf  <anlauf@gmx.de>
 819
 820         PR fortran/100283
 821         PR fortran/101123
 822         * trans-intrinsic.c (gfc_conv_intrinsic_minmax): Unconditionally
 823         convert result of min/max to result type.
 824
 825 2021-06-18  Harald Anlauf  <anlauf@gmx.de>
 826
 827         Backported from master:
 828         2021-06-16  Harald Anlauf  <anlauf@gmx.de>
 829
 830         PR fortran/95501
 831         PR fortran/95502
 832         * expr.c (gfc_check_pointer_assign): Avoid NULL pointer
 833         dereference.
 834         * match.c (gfc_match_pointer_assignment): Likewise.
 835         * parse.c (gfc_check_do_variable): Avoid comparison with NULL
 836         symtree.
 837
 838 2021-06-17  Jakub Jelinek  <jakub@redhat.com>
 839
 840         Backported from master:
 841         2021-06-09  Jakub Jelinek  <jakub@redhat.com>
 842
 843         PR fortran/100965
 844         * trans-openmp.c (gfc_omp_finish_clause): Gimplify OMP_CLAUSE_SIZE.
 845
 846 2021-06-16  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
 847
 848         PR fortran/82376
 849         * trans-expr.c (gfc_conv_procedure_call): Evaluate function result
 850         and then pass a pointer.
 851
 852 2021-06-06  Andre Vehreschild  <vehre@gcc.gnu.org>
 853             Steve Kargl  <kargl@gcc.gnu.org>
 854
 855         PR fortran/98301
 856         * trans-decl.c (gfc_build_builtin_function_decls): Move decl.
 857         * trans-intrinsic.c (conv_intrinsic_random_init): Use bool for
 858         lib-call of caf_random_init instead of logical (4-byte).
 859         * trans.h: Add tree var for random_init.
 860
 861 2021-06-04  Harald Anlauf  <anlauf@gmx.de>
 862
 863         Backported from master:
 864         2021-06-04  Harald Anlauf  <anlauf@gmx.de>
 865
 866         PR fortran/99839
 867         * frontend-passes.c (inline_matmul_assign): Do not inline matmul
 868         if the assignment to the resulting array if it is not of canonical
 869         type (real/integer/complex/logical).
 870
 871 2021-05-28  Harald Anlauf  <anlauf@gmx.de>
 872
 873         Backported from master:
 874         2021-05-17  Harald Anlauf  <anlauf@gmx.de>
 875
 876         PR fortran/98411
 877         * trans-decl.c (gfc_finish_var_decl): Add check for explicit SAVE
 878         attribute.
 879
 880 2021-05-28  Harald Anlauf  <anlauf@gmx.de>
 881
 882         Backported from master:
 883         2021-05-27  Harald Anlauf  <anlauf@gmx.de>
 884
 885         PR fortran/100656
 886         * trans-array.c (gfc_conv_ss_startstride): Do not call check for
 887         presence of a dummy argument when a symbol actually refers to a
 888         non-dummy.
 889
 890 2021-05-28  Harald Anlauf  <anlauf@gmx.de>
 891
 892         Backported from master:
 893         2021-05-27  Harald Anlauf  <anlauf@gmx.de>
 894
 895         PR fortran/100602
 896         * trans-intrinsic.c (gfc_conv_intrinsic_size): Use CLASS data
 897         attributes for CLASS arrays for generation of runtime error.
 898
 899 2021-05-25  Harald Anlauf  <anlauf@gmx.de>
 900
 901         Backported from master:
 902         2021-05-23  Harald Anlauf  <anlauf@gmx.de>
 903
 904         PR fortran/100551
 905         * trans-expr.c (gfc_conv_procedure_call): Adjust check for
 906         implicit conversion of actual argument to an unlimited polymorphic
 907         procedure argument.
 908
 909 2021-05-25  Tobias Burnus  <tobias@codesourcery.com>
 910
 911         Backported from master:
 912         2021-05-25  Tobias Burnus  <tobias@codesourcery.com>
 913                     Johannes Nendwich  <a08727063@unet.univie.ac.at>
 914
 915         * intrinsic.texi (GERROR, GETARGS, GETLOG, NORM2, PARITY, RANDOM_INIT,
 916         RANDOM_NUMBER): Fix typos and copy'n'paste errors.
 917
 918 2021-05-23  Tobias Burnus  <tobias@codesourcery.com>
 919
 920         Backported from master:
 921         2021-05-23  Tobias Burnus  <tobias@codesourcery.com>
 922
 923         * intrinsic.texi (ATOMIC_ADD, ATOMIC_FETCH_ADD): Use the
 924         proper variable name in the description.
 925
 926 2021-05-18  Tobias Burnus  <tobias@codesourcery.com>
 927
 928         Backported from master:
 929         2021-05-17  Tobias Burnus  <tobias@codesourcery.com>
 930
 931         PR fortran/100633
 932         * resolve.c (gfc_resolve_code): Reject nonintrinsic assignments in
 933         OMP WORKSHARE.
 934
 935 2021-05-17  Tobias Burnus  <tobias@codesourcery.com>
 936
 937         Backported from master:
 938         2021-05-14  Tobias Burnus  <tobias@codesourcery.com>
 939
 940         * resolve.c (resolve_symbol): Handle implicit SAVE of main-program
 941         for vars in 'omp threadprivate' and 'omp declare target'.
 942
 943 2021-05-05  Harald Anlauf  <anlauf@gmx.de>
 944
 945         Backported from master:
 946         2021-05-05  Harald Anlauf  <anlauf@gmx.de>
 947
 948         PR fortran/100274
 949         * interface.c (gfc_compare_actual_formal): Continue checks after
 950         emitting warning for argument length mismatch.
 951         * trans-expr.c (gfc_conv_procedure_call): Check for NULL pointer
 952         dereference.
 953
 954 2021-04-29  Tobias Burnus  <tobias@codesourcery.com>
 955
 956         Backported from master:
 957         2021-04-28  Tobias Burnus  <tobias@codesourcery.com>
 958
 959         * openmp.c (gfc_match_omp_variable_list): Gobble whitespace before
 960         checking whether a '%' or parenthesis-open follows as next character.
 961
 962 2021-04-27  Harald Anlauf  <anlauf@gmx.de>
 963
 964         Backported from master:
 965         2021-04-24  Harald Anlauf  <anlauf@gmx.de>
 966
 967         PR fortran/100218
 968         * expr.c (gfc_check_vardef_context): Extend check to allow pointer
 969         from a function reference.
 970
 971 2021-04-27  Harald Anlauf  <anlauf@gmx.de>
 972
 973         Backported from master:
 974         2021-04-24  Harald Anlauf  <anlauf@gmx.de>
 975
 976         PR fortran/100154
 977         * check.c (variable_check): Allow function reference having a data
 978         pointer result.
 979         (arg_strlen_is_zero): New function.
 980         (gfc_check_fgetputc_sub): Add static check of character and status
 981         arguments.
 982         (gfc_check_fgetput_sub): Likewise.
 983         * intrinsic.c (add_subroutines): Fix argument name for the
 984         character argument to intrinsic subroutines fget[c], fput[c].
 985
 986 2021-04-27  Release Manager
 987
 988         * GCC 11.1.0 released.
 989
 990 2021-04-20  Paul Thomas  <pault@gcc.gnu.org>
 991
 992         PR fortran/100110
 993         * trans-decl.c (gfc_get_symbol_decl): Replace test for host
 994         association with a check that the current and symbol namespaces
 995         are the same.
 996
 997 2021-04-19  Thomas Schwinge  <thomas@codesourcery.com>
 998
 999         * lang.opt (fopenacc-kernels=): Remove.
1000
1001 2021-04-16  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
1002
1003         PR fortran/100094
1004         * trans-array.c (gfc_trans_deferred_array): Add code to initialize
1005         pointers and allocatables with correct TKR parameters.
1006
1007 2021-04-16  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
1008
1009         PR fortran/100018
1010         * resolve.c: Add association check before de-referencing pointer.
1011
1012 2021-04-16  Harald Anlauf  <anlauf@gmx.de>
1013             Paul Thomas  <pault@gcc.gnu.org>
1014
1015         PR fortran/63797
1016         * module.c (write_symtree): Do not write interface of intrinsic
1017         procedure to module file for F2003 and newer.
1018
1019 2021-04-15  Paul Thomas  <pault@gcc.gnu.org>
1020
1021         PR fortran/99307
1022         * symbol.c: Remove trailing white space.
1023         * trans-array.c (gfc_trans_create_temp_array): Create a class
1024         temporary for class expressions and assign the new descriptor
1025         to the data field.
1026         (build_class_array_ref): If the class expr can be extracted,
1027         then use that for 'decl'. Class function results are reliably
1028         handled this way. Call gfc_find_and_cut_at_last_class_ref to
1029         eliminate largely redundant code. Remove dead code and recast
1030         the rest of the code to extract 'decl' for remaining cases.
1031         Call gfc_build_spanned_array_ref.
1032         (gfc_alloc_allocatable_for_assignment): Use class descriptor
1033         element length for 'elemsize1'. Eliminate repeat set of dtype
1034         for class expressions.
1035         * trans-expr.c (gfc_find_and_cut_at_last_class_ref): Include
1036         additional code from build_class_array_ref, and use optional
1037         gfc_typespec pointer argument.
1038         (gfc_trans_scalar_assign): Make use of pre and post blocks for
1039         all class expressions.
1040         * trans.c (get_array_span): For unlimited polymorphic exprs
1041         multiply the span by the value of the _len field.
1042         (gfc_build_spanned_array_ref): New function.
1043         (gfc_build_array_ref): Call gfc_build_spanned_array_ref and
1044         eliminate repeated code.
1045         * trans.h: Add arg to gfc_find_and_cut_at_last_class_ref and
1046         add prototype for gfc_build_spanned_array_ref.
1047
1048 2021-04-14  Martin Liska  <mliska@suse.cz>
1049
1050         * intrinsic.texi: The table has first column empty and it makes
1051         trouble when processing makeinfo --xml output.
1052
1053 2021-04-09  Tobias Burnus  <tobias@codesourcery.com>
1054
1055         PR fortran/99817
1056         * trans-types.c (gfc_get_function_type): Also generate hidden
1057         coarray argument for character arguments.
1058
1059 2021-04-03  Paul Thomas  <pault@gcc.gnu.org>
1060
1061         PR fortran/99818
1062         * interface.c (compare_parameter): The codimension attribute is
1063         applied to the _data field of class formal arguments.
1064
1065 2021-04-01  Harald Anlauf  <anlauf@gmx.de>
1066
1067         PR fortran/99840
1068         * simplify.c (gfc_simplify_transpose): Properly initialize
1069         resulting shape.
1070
1071 2021-03-28  Paul Thomas  <pault@gcc.gnu.org>
1072
1073         PR fortran/99602
1074         * trans-expr.c (gfc_conv_procedure_call): Use the _data attrs
1075         for class expressions and detect proc pointer evaluations by
1076         the non-null actual argument list.
1077
1078 2021-03-27  Steve Kargl  <kargl@gcc.gnu.org>
1079
1080         * misc.c (gfc_typename): Fix off-by-one in buffer sizes.
1081
1082 2021-03-26  Tobias Burnus  <tobias@codesourcery.com>
1083
1084         PR fortran/99651
1085         * intrinsic.c (gfc_intrinsic_func_interface): Set
1086         attr.proc = PROC_INTRINSIC if FL_PROCEDURE.
1087
1088 2021-03-24  Tobias Burnus  <tobias@codesourcery.com>
1089
1090         PR fortran/99369
1091         * resolve.c (resolve_operator): Make 'msg' buffer larger
1092         and use snprintf.
1093
1094 2021-03-23  Tobias Burnus  <tobias@codesourcery.com>
1095
1096         PR fortran/93660
1097         * trans-decl.c (build_function_decl): Add comment;
1098         increment hidden_typelist for caf_token/caf_offset.
1099         * trans-types.c (gfc_get_function_type): Add comment;
1100         add missing caf_token/caf_offset args.
1101
1102 2021-03-22  Tobias Burnus  <tobias@codesourcery.com>
1103
1104         PR fortran/99688
1105         * match.c (select_type_set_tmp, gfc_match_select_type,
1106         gfc_match_select_rank): Fix 'name' buffersize to avoid out of bounds.
1107         * resolve.c (resolve_select_type): Likewise.
1108
1109 2021-03-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
1110
1111         * frontend-passes.c (inline_limit_check): Add rank_a
1112         argument. If a is rank 1, set the second dimension to 1.
1113         (inline_matmul_assign): Pass rank_a argument to inline_limit_check.
1114         (call_external_blas): Likewise.
1115
1116 2021-03-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
1117
1118         PR fortran/99345
1119         * frontend-passes.c (doloop_contained_procedure_code):
1120         Properly handle EXEC_IOLENGTH.
1121
1122 2021-03-15  Paul Thomas  <pault@gcc.gnu.org>
1123
1124         PR fortran/99545
1125         * trans-stmt.c (gfc_trans_allocate): Mark the initialization
1126         assignment by setting init_flag.
1127
1128 2021-03-14  Harald Anlauf  <anlauf@gmx.de>
1129             Paul Thomas  <pault@gcc.gnu.org>
1130
1131         * trans-expr.c (gfc_conv_procedure_call): Fix runtime checks for
1132         CLASS arguments.
1133         * trans-intrinsic.c (gfc_conv_intrinsic_size): Likewise.
1134
1135 2021-03-13  Paul Thomas  <pault@gcc.gnu.org>
1136
1137         PR fortran/99125
1138         * trans-array.c (gfc_conv_expr_descriptor): For deferred length
1139         length components use the ss_info string length instead of
1140         gfc_get_expr_charlen. Make sure that the deferred string length
1141         is a variable before assigning to it. Otherwise use the expr.
1142         * trans-expr.c (gfc_conv_string_length): Make sure that the
1143         deferred string length is a variable before assigning to it.
1144
1145 2021-03-12  Tobias Burnus  <tobias@codesourcery.com>
1146
1147         PR fortran/99514
1148         * resolve.c (resolve_symbol): Accept vars which are in DATA
1149         and hence (either) implicit SAVE (or in common).
1150
1151 2021-03-10  Harald Anlauf  <anlauf@gmx.de>
1152
1153         PR fortran/99205
1154         * data.c (gfc_assign_data_value): Reject non-constant character
1155         length for lvalue.
1156         * trans-array.c (gfc_conv_array_initializer): Restrict loop to
1157         elements which are defined to avoid NULL pointer dereference.
1158
1159 2021-03-10  Tobias Burnus  <tobias@codesourcery.com>
1160
1161         * intrinsic.texi (MIN): Correct 'maximum' to 'minimum'.
1162
1163 2021-03-10  Eric Botcazou  <ebotcazou@adacore.com>
1164
1165         PR fortran/96983
1166         * trans-intrinsic.c (build_round_expr): Do not implicitly assume
1167         that __float128 is the 128-bit floating-point type.
1168
1169 2021-03-08  Harald Anlauf  <anlauf@gmx.de>
1170
1171         PR fortran/49278
1172         * data.c (gfc_assign_data_value): Reject variable with PARAMETER
1173         attribute in DATA statement.
1174
1175 2021-03-05  Tobias Burnus  <tobias@codesourcery.com>
1176
1177         PR fortran/99355
1178         PR fortran/57871
1179         * invoke.texi (-freal{4,8}-real-*): Extend description.
1180         * primary.c (match_real_constant): Also promote real literals
1181         with '_kind' number.
1182
1183 2021-03-04  Tobias Burnus  <tobias@codesourcery.com>
1184
1185         PR fortran/99355
1186         * decl.c (gfc_match_old_kind_spec, gfc_match_kind_spec): Avoid
1187         redoing kind conversions.
1188         * primary.c (match_real_constant): Likewise.
1189
1190 2021-02-28  Jakub Jelinek  <jakub@redhat.com>
1191
1192         PR fortran/99303
1193         * openmp.c (gfc_omp_requires_add_clause): Fix up diagnostic message
1194         wordings.
1195         (resolve_omp_clauses): Likewise.
1196
1197 2021-02-28  Jakub Jelinek  <jakub@redhat.com>
1198
1199         PR fortran/99300
1200         * frontend-passes.c (doloop_code): Replace double space in diagnostics
1201         with a single space.
1202
1203 2021-02-24  Paul Thomas  <pault@gcc.gnu.org>
1204
1205         PR fortran/98342
1206         * trans-expr.c (gfc_conv_derived_to_class): Add optional arg.
1207         'derived_array' to hold the fixed, parmse expr in the case of
1208         assumed rank formal arguments. Deal with optional arguments.
1209         (gfc_conv_procedure_call): Null 'derived' array for each actual
1210         argument. Add its address to the call to gfc_conv_derived_to_
1211         class. Access the 'data' field of scalar descriptors before
1212         deallocating allocatable components. Also strip NOPs before the
1213         calls to gfc_deallocate_alloc_comp. Use 'derived' array as the
1214         input to gfc_deallocate_alloc_comp if it is available.
1215         * trans.h : Include the optional argument 'derived_array' to
1216         the prototype of gfc_conv_derived_to_class. The default value
1217         is NULL_TREE.
1218
1219 2021-02-23  Paul Thomas  <pault@gcc.gnu.org>
1220
1221         PR fortran/99124
1222         * resolve.c (resolve_fl_procedure): Include class results in
1223         the test for F2018, C15100.
1224         * trans-array.c (get_class_info_from_ss): Do not use the saved
1225         descriptor to obtain the class expression for variables. Use
1226         gfc_get_class_from_expr instead.
1227
1228 2021-02-23  Harald Anlauf  <anlauf@gmx.de>
1229
1230         PR fortran/99206
1231         * simplify.c (gfc_simplify_reshape): Set string length for
1232         character arguments.
1233
1234 2021-02-22  Tobias Burnus  <tobias@codesourcery.com>
1235
1236         PR fortran/99171
1237         * trans-openmp.c (gfc_omp_is_optional_argument): Regard optional
1238         dummy procs as nonoptional as no special treatment is needed.
1239
1240 2021-02-21  Harald Anlauf  <anlauf@gmx.de>
1241
1242         * trans-expr.c (gfc_conv_procedure_call): Do not add clobber to
1243         allocatable intent(out) argument.
1244
1245 2021-02-19  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1246
1247         PR fortran/98686
1248         * match.c (gfc_match_namelist): If BT_UNKNOWN, check for
1249         IMPLICIT NONE and and issue an error, otherwise set the type
1250         to its IMPLICIT type so that any subsequent use of objects will
1251         will confirm their types.
1252
1253 2021-02-19  Harald Anlauf  <anlauf@gmx.de>
1254
1255         * symbol.c (gfc_add_flavor): Reverse order of conditions.
1256
1257 2021-02-19  Tobias Burnus  <tobias@codesourcery.com>
1258
1259         PR fortran/99010
1260         * dependency.c (gfc_dep_resolver): Fix coarray handling.
1261
1262 2021-02-19  Tobias Burnus  <tobias@codesourcery.com>
1263
1264         PR fortran/99146
1265         * interface.c:
1266
1267 2021-02-19  Tobias Burnus  <tobias@codesourcery.com>
1268
1269         PR fortran/99027
1270         * simplify.c (simplify_bound_dim): Honor DIMEN_ELEMENT
1271         when using dim=.
1272
1273 2021-02-17  Julian Brown  <julian@codesourcery.com>
1274
1275         * openmp.c (resolve_omp_clauses): Disallow selecting components
1276         of arrays of derived type.
1277
1278 2021-02-17  Julian Brown  <julian@codesourcery.com>
1279
1280         * trans-openmp.c (gfc_trans_omp_clauses): Handle element selection
1281         for arrays of derived types.
1282
1283 2021-02-16  Tobias Burnus  <tobias@codesourcery.com>
1284
1285         * expr.c (gfc_is_simplify_contiguous): Handle REF_INQUIRY, i.e.
1286         %im and %re which are EXPR_VARIABLE.
1287         * openmp.c (resolve_omp_clauses): Diagnose %re/%im explicitly.
1288
1289 2021-02-16  Tobias Burnus  <tobias@codesourcery.com>
1290
1291         PR fortran/99111
1292         * io.c (resolve_tag_format): Reject BT_DERIVED/CLASS/VOID
1293         as (array-valued) FORMAT tag.
1294
1295 2021-02-12  Tobias Burnus  <tobias@codesourcery.com>
1296
1297         PR fortran/99043
1298         * trans-expr.c (gfc_conv_procedure_call): Don't reset
1299         rank of assumed-rank array.
1300
1301 2021-02-11  Paul Thomas  <pault@gcc.gnu.org>
1302
1303         PR fortran/98897
1304         * match.c (gfc_match_call): Include associate names as possible
1305         entities with typebound subroutines. The target needs to be
1306         resolved for the type.
1307
1308 2021-02-11  Paul Thomas  <pault@gcc.gnu.org>
1309
1310         PR fortran/99060
1311         * primary.c (gfc_match_varspec): Test for non-null 'previous'
1312         before using its name in the error message.
1313
1314 2021-02-11  Tobias Burnus  <tobias@codesourcery.com>
1315
1316         * intrinsic.texi (FINDLOC): Add 'MASK' to argument table.
1317         (MAXLOC, MAXVAL, MINLOC, MINVAL): For 'MASK', remove 'an
1318         array' as scalars are also permitted.
1319
1320 2021-02-10  Julian Brown  <julian@codesourcery.com>
1321
1322         PR fortran/98979
1323         * openmp.c (resolve_omp_clauses): Omit OpenACC update in
1324         contiguity check and stride-specified error.
1325
1326 2021-02-04  Julian Brown  <julian@codesourcery.com>
1327
1328         * openmp.c (resolve_omp_clauses): Omit OpenACC update in
1329         contiguity check and stride-specified error.
1330
1331 2021-02-04  Julian Brown  <julian@codesourcery.com>
1332
1333         * trans-openmp.c (gfc_trans_omp_clauses): Use class_pointer attribute
1334         for BT_CLASS.
1335
1336 2021-02-04  Julian Brown  <julian@codesourcery.com>
1337
1338         * trans-openmp.c (gfc_trans_omp_clauses): Fix dereferencing for
1339         BT_DERIVED members.
1340
1341 2021-02-04  Tobias Burnus  <tobias@codesourcery.com>
1342
1343         * openmp.c (resolve_omp_clauses): Explicitly diagnose
1344         substrings as not permitted.
1345
1346 2021-02-03  Jeff Law  <law@redhat.com>
1347
1348         * intrinsic.texi (ANINT): Fix typo.
1349
1350 2021-02-03  Tobias Burnus  <tobias@codesourcery.com>
1351
1352         PR fortran/98913
1353         * dependency.c (gfc_dep_resolver): Treat local access
1354         to coarrays like any array access in dependency analysis.
1355
1356 2021-01-28  Harald Anlauf  <anlauf@gmx.de>
1357
1358         PR fortran/86470
1359         * trans.c (gfc_call_malloc): Allocate area of size 1 if passed
1360         size is NULL (as documented).
1361
1362 2021-01-27  Paul Thomas  <pault@gcc.gnu.org>
1363
1364         PR fortran/93924
1365         PR fortran/93925
1366         * trans-expr.c (gfc_conv_procedure_call): Suppress the call to
1367         gfc_conv_intrinsic_to_class for unlimited polymorphic procedure
1368         pointers.
1369         (gfc_trans_assignment_1): Similarly suppress class assignment
1370         for class valued procedure pointers.
1371
1372 2021-01-27  Paul Thomas  <pault@gcc.gnu.org>
1373
1374         PR fortran/98472
1375         * trans-array.c (gfc_conv_expr_descriptor): Include elemental
1376         procedure pointers in the assert under the comment 'elemental
1377         function' and eliminate the second, spurious assert.
1378
1379 2021-01-25  Harald Anlauf  <anlauf@gmx.de>
1380
1381         PR fortran/70070
1382         * data.c (create_character_initializer): Check substring indices
1383         against bounds.
1384         (gfc_assign_data_value): Catch error returned from
1385         create_character_initializer.
1386
1387 2021-01-25  Tobias Burnus  <tobias@codesourcery.com>
1388
1389         * intrinsic.texi (CO_BROADCAST, CO_MIN, CO_REDUCE, CO_SUM): Fix typos.
1390
1391 2021-01-25  Steve Kargl  <kargl@gcc.gnu.org>
1392
1393         PR fortran/98517
1394         * resolve.c (resolve_charlen): Check that length expression is
1395         present before testing for scalar/integer..
1396
1397 2021-01-22  Paul Thomas  <pault@gcc.gnu.org>
1398
1399         PR fortran/98565
1400         * trans-intrinsic.c (gfc_conv_associated): Do not add a _data
1401         component for scalar class function targets. Instead, fix the
1402         function result and access the _data from that.
1403
1404 2021-01-21  Jorge D'Elia  <jdelia@cimec.unl.edu.ar>
1405
1406         * intrinsic.texi (CO_MAX): Fix typo.
1407
1408 2021-01-21  Paul Thomas  <pault@gcc.gnu.org>
1409
1410         PR fortran/96320
1411         * decl.c (gfc_match_modproc): It is not an error to find a
1412         module procedure declaration within a contains block.
1413         * expr.c (gfc_check_vardef_context): Pure procedure result is
1414         assignable. Change 'own_scope' accordingly.
1415         * resolve.c (resolve_typebound_procedure): A procedure that
1416         has the module procedure attribute is almost certainly a
1417         module procedure, whatever its interface.
1418
1419 2021-01-19  Tobias Burnus  <tobias@codesourcery.com>
1420
1421         PR fortran/98476
1422         * openmp.c (resolve_omp_clauses): Change use_device_ptr
1423         to use_device_addr for unless type(c_ptr); check all
1424         list item for is_device_ptr.
1425
1426 2021-01-16  Kwok Cheung Yeung  <kcy@codesourcery.com>
1427
1428         * dump-parse-tree.c (show_omp_clauses): Handle detach clause.
1429         * frontend-passes.c (gfc_code_walker): Walk detach expression.
1430         * gfortran.h (struct gfc_omp_clauses): Add detach field.
1431         (gfc_c_intptr_kind): New.
1432         * openmp.c (gfc_free_omp_clauses): Free detach clause.
1433         (gfc_match_omp_detach): New.
1434         (enum omp_mask1): Add OMP_CLAUSE_DETACH.
1435         (enum omp_mask2): Remove OMP_CLAUSE_DETACH.
1436         (gfc_match_omp_clauses): Handle OMP_CLAUSE_DETACH for OpenMP.
1437         (OMP_TASK_CLAUSES): Add OMP_CLAUSE_DETACH.
1438         (resolve_omp_clauses): Prevent use of detach with mergeable and
1439         overriding the data sharing mode of the event handle.
1440         * trans-openmp.c (gfc_trans_omp_clauses): Handle detach clause.
1441         * trans-types.c (gfc_c_intptr_kind): New.
1442         (gfc_init_kinds): Initialize gfc_c_intptr_kind.
1443         * types.def
1444         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
1445         to...
1446         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
1447         ...this.  Add extra argument.
1448
1449 2021-01-14  Harald Anlauf  <anlauf@gmx.de>
1450
1451         * gfortran.h (gfc_resolve_substring): Add prototype.
1452         * primary.c (match_string_constant): Simplify substrings with
1453         constant starting and ending points.
1454         * resolve.c: Rename resolve_substring to gfc_resolve_substring.
1455         (gfc_resolve_ref): Use renamed function gfc_resolve_substring.
1456
1457 2021-01-14  Harald Anlauf  <anlauf@gmx.de>
1458
1459         PR fortran/98661
1460         * resolve.c (resolve_component): Derived type components with
1461         ALLOCATABLE or POINTER attribute shall have a deferred shape.
1462
1463 2021-01-14  Harald Anlauf  <anlauf@gmx.de>
1464
1465         Revert:
1466         2021-01-14  Harald Anlauf  <anlauf@gmx.de>
1467
1468         PR fortran/98661
1469         * resolve.c (resolve_component): Derived type components with
1470         ALLOCATABLE or POINTER attribute shall have a deferred shape.
1471
1472 2021-01-14  Harald Anlauf  <anlauf@gmx.de>
1473
1474         PR fortran/98661
1475         * resolve.c (resolve_component): Derived type components with
1476         ALLOCATABLE or POINTER attribute shall have a deferred shape.
1477
1478 2021-01-08  Paul Thomas  <pault@gcc.gnu.org>
1479
1480         PR fortran/93794
1481         * trans-expr.c (gfc_conv_component_ref): Remove the condition
1482         that deferred character length components only be allocatable.
1483
1484 2021-01-08  Paul Thomas  <pault@gcc.gnu.org>
1485
1486         PR fortran/98458
1487         * simplify.c (is_constant_array_expr): If an array constructor
1488         expression has elements other than constants or structures, try
1489         fixing the expression with gfc_reduce_init_expr. Also, if shape
1490         is NULL, obtain the array size and set it.
1491
1492 2021-01-07  Paul Thomas  <pault@gcc.gnu.org>
1493
1494         PR fortran/93701
1495         * resolve.c (find_array_spec): Put static prototype for
1496         resolve_assoc_var before this function and call for associate
1497         variables.
1498
1499 2021-01-06  Harald Anlauf  <anlauf@gmx.de>
1500
1501         * resolve.c (resolve_component): Add check for valid CLASS
1502         reference before trying to access CLASS data.
1503
1504 2021-01-04  Martin Liska  <mliska@suse.cz>
1505
1506         * ChangeLog-2018: Remove duplicate ChangeLog entries.
1507
1508 2021-01-01  Harald Anlauf  <anlauf@gmx.de>
1509
1510         * class.c (gfc_find_vtab): Add check on attribute is_class.
1511
1512 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
1513
1514         * gfortranspec.c (lang_specific_driver): Update copyright notice
1515         dates.
1516         * gfc-internals.texi: Bump @copying's copyright year.
1517         * gfortran.texi: Ditto.
1518         * intrinsic.texi: Ditto.
1519         * invoke.texi: Ditto.
1520
1521 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
1522
1523         * ChangeLog-2020: Rotate ChangeLog.  New file.
1524
1525 \f
1526 Copyright (C) 2021 Free Software Foundation, Inc.
1527
1528 Copying and distribution of this file, with or without modification,
1529 are permitted in any medium without royalty provided the copyright
1530 notice and this notice are preserved.