gcc/fortran/ChangeLog

   1 2020-06-23  Thomas Koenig  <tkoenig@gcc.gnu.org>
   2
   3         PR fortran/95812
   4         * dependency.c (ref_same_as_full_array): Handle case of AR_FULL
   5         vs. AR_FULL.
   6
   7 2020-06-23  Steven G. Kargl  <kargl@gcc.gnu.org>
   8             Mark Eggleston  <markeggleston@gcc.gnu.org>
   9
  10         PR fortran/95586
  11         * decl.c (gfc_match_implicit): Only perform else branch if
  12         the type spect is not BT_DERIVED.
  13
  14 2020-06-22  Steven G. Kargl  <kargl@gcc.gnu.org>
  15             Mark Eggleston  <markeggleston@gcc.gnu.org>
  16
  17         PR fortran/95708
  18         * intrinsic.c (add_functions): Replace CLASS_INQUIRY with
  19         CLASS_TRANSFORMATIONAL for intrinsic num_images.
  20         (make_generic): Replace ACTUAL_NO with ACTUAL_YES for
  21         intrinsic team_number.
  22         * resolve.c (resolve_fl_procedure): Check pointer ts.u.derived
  23         exists before using it.
  24
  25 2020-06-22  Steven G. Kargl  <kargl@gcc.gnu.org>
  26             Mark Eggleston  <markeggleston@gcc.gnu.org>
  27
  28         PR fortran/95585
  29         * check.c (gfc_check_reshape): Add check for a value when
  30         the symbol has an attribute flavor FL_PARAMETER.
  31
  32 2020-06-22  Mark Eggleston  <markeggleston@gcc.gnu.org>
  33
  34         PR fortran/42693
  35         * arith.c (gfc_arith_error): Enclose strings in G_() instead
  36         of _().
  37
  38 2020-06-20  Harald Anlauf  <anlauf@gmx.de>
  39
  40         PR fortran/95707
  41         * gfortran.h (gfc_common_head): Enlarge buffer.
  42         * trans-common.c (gfc_sym_mangled_common_id): Enlarge temporary
  43         buffers, and add check on length on mangled name to prevent
  44         overflow.
  45
  46 2020-06-20  Harald Anlauf  <anlauf@gmx.de>
  47
  48         PR fortran/95688
  49         * iresolve.c (gfc_get_string): Enlarge static buffer size.
  50
  51 2020-06-20  Harald Anlauf  <anlauf@gmx.de>
  52
  53         PR fortran/95687
  54         * class.c (get_unique_type_string): Return a string with dynamic
  55         length.
  56         (get_unique_hashed_string, gfc_hash_value): Use dynamic result
  57         from get_unique_type_string instead of static buffer.
  58
  59 2020-06-20  Harald Anlauf  <anlauf@gmx.de>
  60
  61         PR fortran/95689
  62         * interface.c (check_sym_interfaces): Enlarge temporary buffer,
  63         and add check on length on mangled name to prevent overflow.
  64
  65 2020-06-20  Harald Anlauf  <anlauf@gmx.de>
  66
  67         PR fortran/95587
  68         * match.c (gfc_match_equivalence): Check constraints on
  69         EQUIVALENCE objects also for CLASS variables.
  70
  71 2020-06-18  Tobias Burnus  <tobias@codesourcery.com>
  72
  73         * openmp.c (resolve_omp_clauses): Reject vars with
  74         allocatable components in OpenMP map clauses.
  75
  76 2020-06-16  Tobias Burnus  <tobias@codesourcery.com>
  77
  78         * parse.c (decode_oacc_directive): Permit 'acc routine' also
  79         inside pure procedures.
  80         * openmp.c (gfc_match_oacc_routine): Inside pure procedures
  81         do not permit gang, worker or vector clauses.
  82
  83 2020-06-16  Tobias Burnus  <tobias@codesourcery.com>
  84
  85         * parse.c (decode_omp_directive): Remove "or ELEMENTAL"
  86         from "in PURE" error message also for -fopenmp-simd.
  87
  88 2020-06-16  Tobias Burnus  <tobias@codesourcery.com>
  89
  90         * parse.c (decode_omp_directive): Remove "or ELEMENTAL"
  91         from "in PURE" error message.
  92
  93 2020-06-14  Thomas Koenig  <tkoenig@gcc.gnu.org>
  94
  95         PR fortran/42122
  96         * dump-parse-tree.c (gfc_dump_global_symbols):  If the symroot is
  97         empty, just output "empty".
  98
  99 2020-06-14  Harald Anlauf  <anlauf@gmx.de>
 100
 101         PR fortran/95088
 102         * class.c (get_unique_type_string): Replace use of fixed size
 103         buffer by internally passing a pointer to strings.
 104
 105 2020-06-14  Thomas Koenig  <tkoenig@gcc.gnu.org>
 106
 107         * check.c (gfc_check_random_seed): Always use locations
 108         from get and put arguments for error messages.
 109
 110 2020-06-14  Thomas Koenig  <tkoenig@gcc.gnu.org>
 111
 112         PR fortran/94109
 113         * class.c (finalize_component): Return early if finalization has
 114         already happened for expression and component within namespace.
 115         * gfortran.h (gfc_was_finalized): New type.
 116         (gfc_namespace): Add member was_finalzed.
 117         (gfc_expr): Remove finalized.
 118         * symbol.c (gfc_free_namespace): Free was_finalized.
 119
 120 2020-06-11  Harald Anlauf  <anlauf@gmx.de>
 121             Steven G. Kargl   <kargl@gcc.gnu.org>
 122
 123         PR fortran/95611
 124         * decl.c (access_attr_decl): Use correct symbol in error message.
 125
 126 2020-06-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 127             Harald Anlauf  <anlauf@gmx.de>
 128
 129         PR fortran/95544
 130         * check.c (invalid_null_arg): Rename to gfc_invalid_null_arg.
 131         (gfc_check_associated, gfc_check_kind, gfc_check_merge)
 132         (gfc_check_shape, gfc_check_size, gfc_check_spread)
 133         (gfc_check_transfer): Adjust.
 134         (gfc_check_len_lentrim, gfc_check_trim): Check for NULL() argument.
 135         * gfortran.h: Declare gfc_invalid_null_arg ().
 136         * intrinsic.c (check_arglist): Check for NULL() argument.
 137
 138 2020-06-11  Harald Anlauf  <anlauf@gmx.de>
 139
 140         PR fortran/95503
 141         * expr.c (gfc_check_pointer_assign): Skip contiguity check of rhs
 142         of pointer assignment if lhs cannot be simply contiguous.
 143
 144 2020-06-11  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
 145
 146         PR fortran/95331
 147         * trans-array.c (gfc_conv_array_ref): For class array dummy
 148         arguments use the transformed descriptor in sym->backend_decl
 149         instead of the original descriptor.
 150
 151 2020-06-11  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
 152
 153         PR fortran/52351
 154         PR fortran/85868
 155         * trans-array.c (gfc_conv_expr_descriptor): Enable the
 156         creation of a new descriptor with the correct one based
 157         indexing for array sections.  Rework array descriptor
 158         indexing offset calculation.
 159
 160 2020-06-11  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
 161
 162         PR fortran/94022
 163         * trans-expr.c (gfc_conv_procedure_call): In the case of
 164         assumed-size arrays ensure that the reference is to a full array.
 165
 166 2020-06-07  Harald Anlauf  <anlauf@gmx.de>
 167
 168         PR fortran/95091
 169         * class.c (gfc_hash_value): Add cast.
 170
 171 2020-06-07  Harald Anlauf  <anlauf@gmx.de>
 172
 173         PR fortran/95091
 174         * class.c (get_unique_type_string, gfc_hash_value): Enlarge
 175         buffers, and check whether the strings returned by
 176         get_unique_type_string() fit.
 177
 178 2020-06-05  Harald Anlauf  <anlauf@gmx.de>
 179
 180         PR fortran/95530
 181         PR fortran/95537
 182         * decl.c (gfc_match_decl_type_spec): Enlarge buffer, and enhance
 183         string copy to detect buffer overflow.
 184         * gfortran.h (gfc_common_head): Enlarge buffer.
 185         * trans-common.c (finish_equivalences): Enhance string copy to
 186         detect buffer overflow.
 187
 188 2020-06-05  Tom Tromey  <tromey@adacore.com>
 189
 190         PR fortran/95509
 191         * misc.c (gfc_closest_fuzzy_match): Update cutoff value
 192         computation.
 193
 194 2020-06-04  Steven G. Kargl  <kargl@gcc.gnu.org>
 195             Harald Anlauf  <anlauf@gmx.de>
 196
 197         PR fortran/95500
 198         * trans-expr.c (gfc_conv_expr_reference): Do not dereference NULL
 199         pointer.
 200
 201 2020-06-03  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
 202
 203         PR fortran/95214
 204         PR fortran/66833
 205         PR fortran/67938
 206         * trans-expr.c (gfc_maybe_dereference_var): Add assumed-rank to
 207         character dummy arguments list of possible attributes.
 208
 209 2020-06-03  Tobias Burnus  <tobias@codesourcery.com>
 210
 211         * f95-lang.c (LANG_HOOKS_OMP_PREDETERMINED_MAPPING): Redefine.
 212         * trans-openmp.c (gfc_omp_predetermined_mapping): New.
 213         * trans.h (gfc_omp_predetermined_mapping): Declare.
 214
 215 2020-05-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
 216
 217         PR fortran/94361
 218         * class.c (finalize_component): Use expr->finalized instead of
 219         comp->finalized.
 220         * gfortran.h (gfc_component): Remove finalized member.
 221         (gfc_expr): Add it here instead.
 222
 223 2020-05-30  Harald Anlauf  <anlauf@gmx.de>
 224
 225         PR fortran/95373
 226         * primary.c (is_inquiry_ref): Move validity check of inquiry
 227         references against selected Fortran standard from here...
 228         (gfc_match_varspec) ...to here.
 229
 230 2020-05-30  Harald Anlauf  <anlauf@gmx.de>
 231
 232         PR fortran/95090
 233         * class.c (get_unique_type_string): Use buffer overrun check.
 234
 235 2020-05-29  Harald Anlauf  <anlauf@gmx.de>
 236
 237         PR fortran/95090
 238         * class.c (get_unique_type_string): Enlarge temporary for
 239         name-mangling.  Use strncpy to prevent buffer overrun.
 240         (get_unique_hashed_string): Enlarge temporary.
 241         (gfc_hash_value): Enlarge temporary for name-mangling.
 242
 243 2020-05-28  Harald Anlauf  <anlauf@gmx.de>
 244
 245         PR fortran/95373
 246         * primary.c (is_inquiry_ref): Check validity of inquiry
 247         references against selected Fortran standard.
 248
 249 2020-05-28  Steven G. Kargl  <kargl@gcc.gnu.org>
 250             Mark Eggleston  <markeggleston@gcc.gnu.org>
 251             Mark Eggleston  <markeggleston@gcc.gnu.org>
 252
 253         PR fortran/94397
 254         * match.c (gfc_match_type_spec): New variable ok initialised
 255         to true. Set ok with the return value of gfc_reduce_init_expr
 256         called only if the expression is not EXPR_CONSTANT and is not
 257         EXPR_VARIABLE. Add !ok to the check for type not being integer
 258         or the rank being greater than zero.
 259
 260 2020-05-27  Harald Anlauf  <anlauf@gmx.de>
 261
 262         PR fortran/95090
 263         * iresolve.c (gfc_get_string): Enlarge temporary for
 264         name-mangling.
 265
 266 2020-05-27  Tobias Burnus  <tobias@codesourcery.com>
 267             Mark Eggleston  <markeggleston@gnu.gcc.org>
 268
 269         PR fortran/50392
 270         * trans-decl.c (gfc_get_symbol_decl): Remove unnecessary block
 271         delimiters.  Add auxiliary variables if a label is assigned to
 272         a return variable. (gfc_gat_fake_result): If the symbol has an
 273         assign attribute set declaration from the symbol's backend
 274         declaration.
 275
 276 2020-05-26  Harald Anlauf  <anlauf@gmx.de>
 277
 278         PR fortran/95089
 279         * trans-types.c (gfc_get_derived_type): Enlarge temporary to hold
 280         mangled name "_caf_symbol".
 281
 282 2020-05-26  Alexandre Oliva  <oliva@adacore.com>
 283
 284         * options.c (gfc_get_option_string): Drop auxbase, add
 285         dumpbase_ext.
 286
 287 2020-05-24  Harald Anlauf  <anlauf@gmx.de>
 288
 289         PR fortran/95106
 290         * trans-common.c (gfc_sym_mangled_common_id): Enlarge temporaries
 291         for name-mangling.
 292
 293 2020-05-23  Thomas Koenig  <tkoenig@gcc.gnu.org>
 294
 295         PR libfortran/95191
 296         * libgfortran.h (libgfortran_error_codes): Add
 297         LIBERROR_BAD_WAIT_ID.
 298
 299 2020-05-20  Mark Eggleston  <markeggleston@gcc.gnu.org>
 300
 301         PR fortran/39695
 302         * resolve.c (resolve_fl_procedure): Set name depending on
 303         whether the result attribute is set.  For PROCEDURE/RESULT
 304         conflict use the name in sym->ns->proc_name->name.
 305         * symbol.c (gfc_add_type): Add check for function and result
 306         attributes use sym->ns->proc_name->name if both are set.
 307         Where the symbol cannot have a type use the name in
 308         sym->ns->proc_name->name.
 309
 310 2020-05-18  Harald Anlauf  <anlauf@gmx.de>
 311
 312         PR fortran/95053
 313         * arith.c (gfc_divide): Revert hunk introduced by patch for
 314         PR93499.
 315         * decl.c (variable_decl): Generate error for array shape not being
 316         an INTEGER constant.
 317         (gfc_get_pdt_instance): Generate error if KIND or LEN expressions
 318         in declaration of a PDT instance do not simplify to INTEGER
 319         constants.
 320
 321 2020-05-15  Tobias Burnus  <tobias@codesourcery.com>
 322
 323         PR fortran/94690
 324         * openmp.c (resolve_omp_do): Permit more clauses for SIMD
 325         iteration variables.
 326
 327 2020-05-14  Jakub Jelinek  <jakub@redhat.com>
 328
 329         * trans-openmp.c: Include function.h.
 330         (gfc_trans_omp_target): Set cfun->has_omp_target.
 331
 332 2020-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 333
 334         PR fortran/93497
 335         * decl.c (char_len_param_value): Check whether character
 336         length expression is of type EXPR_OP and if so simplify it.
 337         * resolve.c (resolve_charlen): Reject length if it has a
 338         rank.
 339
 340 2020-05-13  Tobias Burnus  <tobias@codesourcery.com>
 341
 342         PR fortran/94690
 343         * openmp.c (OMP_DISTRIBUTE_CLAUSES): Add OMP_CLAUSE_LASTPRIVATE.
 344         (gfc_resolve_do_iterator): Skip the private handling for SIMD as
 345         that is handled by ME code.
 346         * trans-openmp.c (gfc_trans_omp_do): Don't add private/lastprivate
 347         for dovar_found == 0, unless !simple.
 348
 349 2020-05-11  Harald Anlauf  <anlauf@gmx.de>
 350
 351         PR fortran/95053
 352         * arith.c (gfc_divide): Do not error out if operand 2 is
 353         non-numeric.  Defer checks to later stage.
 354
 355 2020-05-11  Tobias Burnus  <tobias@codesourcery.com>
 356
 357         PR fortran/94672
 358         * trans.h (gfc_conv_expr_present): Add use_saved_decl=false argument.
 359         * trans-expr.c (gfc_conv_expr_present): Likewise; use DECL directly
 360         and only if use_saved_decl is true, use the actual PARAM_DECL arg (saved
 361         descriptor).
 362         * trans-array.c (gfc_trans_dummy_array_bias): Set local 'arg.0'
 363         variable to NULL if 'arg' is not present.
 364         * trans-openmp.c (gfc_omp_check_optional_argument): Simplify by checking
 365         'arg.0' instead of the true PARM_DECL.
 366         (gfc_omp_finish_clause): Remove setting 'arg.0' to NULL.
 367
 368 2020-05-11  Janus Weil  <janus@gcc.gnu.org>
 369             Dominique d'Humieres  <dominiq@lps.ens.fr>
 370
 371         PR fortran/59107
 372         * gfortran.h: Rename field resolved as resolve_symbol_called
 373         and assign two 2 bits instead of 1.
 374         * interface.c (check_dtio_interface1): Use new field name.
 375         (gfc_find_typebound_dtio_proc): Use new field name.
 376         * resolve.c (gfc_resolve_intrinsic): Replace check of the formal
 377         field with resolve_symbol_called is at least 2, if it is not
 378         set the field to 2.  (resolve_typebound_procedure): Use new field
 379         name.  (resolve_symbol): Use new field name and check whether it
 380         is at least 1, if it is not set the field to 1.
 381
 382 2020-05-10  Harald Anlauf  <anlauf@gmx.de>
 383
 384         PR fortran/93499
 385         * arith.c (gfc_divide): Catch division by zero.
 386         (eval_intrinsic_f3): Safeguard for NULL operands.
 387
 388 2020-05-05  Steve Kargl  <kargl@gcc.gnu.org>
 389         Harald Anlauf  <anlauf@gmx.de>
 390
 391         PR fortran/93366
 392         * check.c (gfc_check_associated, invalid_null_arg): Factorize
 393         check for presence of invalid NULL() argument.
 394         (gfc_check_kind, gfc_check_merge, gfc_check_shape)
 395         (gfc_check_sizeof, gfc_check_spread, gfc_check_transfer): Use this
 396         check for presence of invalid NULL() arguments.
 397
 398 2020-04-29  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>
 399
 400         PR fortran/94769
 401         * io.c (check_io_constraints): Initialize local variable num to
 402         -1 and assert that it receives a meaningful value by function
 403         compare_to_allowed_values.
 404
 405 2020-04-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 406
 407         PR fortran/93956
 408         PR fortran/94788
 409         * expr.c (gfc_check_pointer_assign): Revert patch for PR 93956.
 410         * interface.c: Likewise.
 411
 412 2020-04-25  Thomas Koenig  <tkoenig@gcc.gnu.org>
 413
 414         PR fortran/94578
 415         * trans-expr.c (arrayfunc_assign_needs_temporary): If the
 416         LHS is a subref pointer, we also need a temporary.
 417
 418 2020-04-23  Thomas Koenig  <tkoenig@gcc.gnu.org>
 419
 420         PR fortran/93956
 421         * expr.c (gfc_check_pointer_assign): Also set subref_array_pointer
 422         when a function returns a pointer.
 423         * interface.c (gfc_set_subref_array_pointer_arg): New function.
 424         (gfc_procedure_use): Call it.
 425
 426 2020-04-22  Fritz Reese  <foreese@gcc.gnu.org>
 427
 428         * trigd_fe.inc: Use mpfr to compute cosd(30) rather than a host-
 429         precision floating point literal based on an invalid macro.
 430
 431 2020-04-22  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
 432
 433         PR fortran/90350
 434         * simplify.c (simplify_bound): In the case of assumed-size arrays
 435         check if the reference is to a full array.
 436
 437 2020-04-22  Tobias Burnus  <tobias@codesourcery.com>
 438
 439         PR fortran/94709
 440         * scanner.c (load_line): In fixed form, also treat 'C' as comment and
 441         'D'/'d' only with -fd-lines-as-comments. Treat '!$' with -fopenmp,
 442         '!$acc' with -fopenacc and '!GCC$' as non-comment to permit <tab>
 443         and truncation warnings.
 444
 445 2020-04-20  Thomas Koenig  <tkoenig@gcc.gnu.org>
 446
 447         * dump-parse-tree.c (show_attr): Add numerous flags, some cleanup.
 448
 449 2020-04-20  Harald Anlauf  <anlauf@gmx.de>
 450
 451         PR fortran/93364
 452         * array.c (gfc_set_array_spec): Check for sum of rank and corank
 453         not exceeding GFC_MAX_DIMENSIONS.
 454
 455 2020-04-20  Steve Kargl  <kargl@gcc.gnu.org>
 456         Thomas Koenig  <tkoenig@gcc.gnu.org>
 457
 458         PR fortran/91800
 459         * decl.c (variable_decl): Reject Hollerith constants as type
 460         initializer.
 461
 462 2020-04-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 463
 464         PR fortran/93500
 465         * resolve.c (resolve_operator): If both operands are
 466         NULL, return false.
 467         * simplify.c (simplify_bound): If a division by zero
 468         was seen during bound simplification, free the
 469         corresponcing expression and return &gfc_bad_expr.
 470
 471 2020-04-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
 472
 473         PR fortran/94090
 474         * gfortran.dg (gfc_compare_interfaces): Add
 475         optional argument bad_result_characteristics.
 476         * interface.c (gfc_check_result_characteristics): Fix
 477         whitespace.
 478         (gfc_compare_interfaces): Handle new argument; return
 479         true if function return values are wrong.
 480         * resolve.c (resolve_global_procedure): Hard error if
 481         the return value of a function is wrong.
 482
 483 2020-04-15  Fritz Reese  <foreese@gcc.gnu.org>
 484         Linus Koenig <link@sig-st.de>
 485
 486         PR fortran/94192
 487         * simplify.c (simplify_bound): Simplify condition for error check.
 488
 489 2020-04-14  Tobias Burnus  <tobias@codesourcery.com>
 490
 491         * module.c (gfc_match_use): Fix name-conflict check for use-associating
 492         the same symbol again in a submodule.
 493
 494 2020-04-13  Linus Koenig <link@sig-st.de>
 495
 496         PR fortran/94192
 497         * resolve.c (resolve_fl_var_and_proc): Set flag "error" to 1 if
 498         pointer is found to not have an assumed rank or a deferred shape.
 499         * simplify.c (simplify_bound): If an error has been issued for a
 500         given pointer, one should not attempt to find its bounds.
 501
 502 2020-04-09  Fritz Reese  <foreese@gcc.gnu.org>
 503
 504         PR fortran/87923
 505         * gfortran.h (gfc_resolve_open, gfc_resolve_close): Add
 506         locus parameter.
 507         (gfc_resolve_dt): Add code parameter.
 508         * io.c (async_io_dt, check_char_variable, is_char_type): Removed.
 509         (resolve_tag_format): Add locus to error message regarding
 510         zero-sized array in FORMAT tag.
 511         (check_open_constraints, check_close_constraints): New functions
 512         called at resolution time.
 513         (gfc_match_open, gfc_match_close, match_io): Move checks which don't
 514         affect the match result to new functions check_open_constraints,
 515         check_close_constraints, check_io_constraints.
 516         (gfc_resolve_open, gfc_resolve_close): Call new functions
 517         check_open_constraints, check_close_constraints after all tags have
 518         been independently resolved.  Remove duplicate constraints which are
 519         already verified by resolve_tag.  Explicitly pass locus to all error
 520         reports.
 521         (compare_to_allowed_values): Add locus parameter and provide
 522         explicit locus all error reports.
 523         (match_open_element, match_close_element, match_file_element,
 524         match_dt_element, match_inquire_element): Remove redundant special
 525         cases for ASYNCHRONOUS and IOMSG tags.
 526         (gfc_resolve_dt): Remove redundant special case for format
 527         expression.  Call check_io_constraints, forwarding an I/O list as
 528         the io_code parameter if present.
 529         (check_io_constraints): Change return type to bool.  Pass explicit
 530         locus to error reports.  Move generic checks after tag-specific
 531         checks, since errors are no longer buffered.  Move simplification of
 532         format string to match_io.  Remove redundant checks which are
 533         verified by resolve_tag.  Remove usage of async_io_dt flag and
 534         explicitly mark symbols used in asynchronous I/O with the
 535         asynchronous attribute.
 536         * resolve.c (resolve_transfer, resolve_fl_namelist): Remove checks
 537         for async_io_dt flag.  This is now done in io.c.
 538         (check_io_constraints).
 539         (gfc_resolve_code): Pass code locus to gfc_resolve_open,
 540         gfc_resolve_close, gfc_resolve_dt.
 541
 542 2020-04-07  Fritz Reese  <foreese@gcc.gnu.org>
 543             Steven G. Kargl  <kargl@gcc.gnu.org>
 544
 545         PR fortran/93871
 546         * gfortran.h (GFC_ISYM_ACOSD, GFC_ISYM_ASIND, GFC_ISYM_ATAN2D,
 547         GFC_ISYM_ATAND, GFC_ISYM_COSD, GFC_ISYM_COTAND, GFC_ISYM_SIND,
 548         GFC_ISYM_TAND): New.
 549         * intrinsic.c (add_functions): Remove check for flag_dec_math.
 550         Give degree trig functions simplification and name resolution
 551         functions (e.g, gfc_simplify_atrigd () and gfc_resolve_atrigd ()).
 552         (do_simplify): Remove special casing of degree trig functions.
 553         * intrinsic.h (gfc_simplify_acosd, gfc_simplify_asind,
 554         gfc_simplify_atand, gfc_simplify_cosd, gfc_simplify_cotand,
 555         gfc_simplify_sind, gfc_simplify_tand, gfc_resolve_trigd2): Add new
 556         prototypes.
 557         (gfc_simplify_atrigd, gfc_simplify_trigd, gfc_resolve_cotan,
 558         resolve_atrigd): Remove prototypes of deleted functions.
 559         * iresolve.c (is_trig_resolved, copy_replace_function_shallow,
 560         gfc_resolve_cotan, get_radians, get_degrees, resolve_trig_call,
 561         gfc_resolve_atrigd, gfc_resolve_atan2d): Delete functions.
 562         (gfc_resolve_trigd, gfc_resolve_trigd2): Resolve to library functions.
 563         * simplify.c (rad2deg, deg2rad, gfc_simplify_acosd, gfc_simplify_asind,
 564         gfc_simplify_atand, gfc_simplify_atan2d, gfc_simplify_cosd,
 565         gfc_simplify_sind, gfc_simplify_tand, gfc_simplify_cotand): New
 566         functions.
 567         (gfc_simplify_atan2): Fix error message.
 568         (simplify_trig_call, gfc_simplify_trigd, gfc_simplify_atrigd,
 569         radians_f): Delete functions.
 570         * trans-intrinsic.c: Add LIB_FUNCTION decls for sind, cosd, tand.
 571         (rad2deg, gfc_conv_intrinsic_atrigd, gfc_conv_intrinsic_cotan,
 572         gfc_conv_intrinsic_cotand, gfc_conv_intrinsic_atan2d): New functions.
 573         (gfc_conv_intrinsic_function): Handle ACOSD, ASIND, ATAND, COTAN,
 574         COTAND, ATAN2D.
 575         * trigd_fe.inc: New file. Included by simplify.c to implement
 576         simplify_sind, simplify_cosd, simplify_tand with code common to the
 577         libgfortran implementation.
 578
 579 2020-04-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 580
 581         PR fortran/93686
 582         * decl.c (gfc_match_data): Handle data matching for derived type
 583         pointers.
 584
 585 2020-04-02  Tobias Burnus  <tobias@codesourcery.com>
 586
 587         * gfortran.h (gfc_resolve_formal_arglist): Add prototype.
 588         * interface.c (check_dtio_interface1): Call it.
 589         * resolve.c (gfc_resolve_formal_arglist): Renamed from
 590         resolve_formal_arglist, removed static.
 591         (find_arglists, resolve_types): Update calls.
 592
 593 2020-04-02  Tobias Burnus  <tobias@codesourcery.com>
 594
 595         PR fortran/93522
 596         * match.c (gfc_match_select_rank): Fix error cleanup.
 597
 598 2020-04-02  Steven G. Kargl  <kargl@gcc.gnu.org>
 599
 600         PR fortran/93498
 601         * check.c (gfc_check_findloc):  If the kinds of the arguments
 602         differ goto label "incompat".
 603
 604 2020-04-02 Steven G. Kargl  <kargl@gcc.gnu.org>
 605
 606         PR fortran/94030
 607         * resolve.c (resolve_equivalence): Correct formatting
 608         around the label "identical_types".  Instead of using
 609         gfc_resolve_array_spec use is_non_constants_shape_array
 610         to determine whether the array can be used in a in an
 611         equivalence statement.
 612
 613 2020-04-01  Mark Eggleston  <mark.eggleston@codethink.com>
 614
 615         PR fortran/94386
 616         expr.c (simplify_parameter_variable): Restore code deleted
 617         in PR94246.
 618
 619 2020-03-28  Paul Thomas  <pault@gcc.gnu.org>
 620
 621         PR fortran/94246
 622         * arith.c : Remove trailing white space.
 623         * expr.c (scalarize_intrinsic_call): Remove the error checking.
 624         Make a copy of the expression to be simplified and only replace
 625         the original if the simplification succeeds.
 626
 627 2020-03-28  Tobias Burnus  <tobias@codesourcery.com>
 628
 629         PR fortran/94348
 630         * decl.c (gfc_match_submod_proc): Add result var to the
 631         proc's namespace.
 632
 633 2020-03-27  Tobias Burnus  <tobias@codesourcery.com>
 634
 635         PR fortran/93957
 636         * trans-array.c (gfc_alloc_allocatable_for_assignment): Accept
 637         nonallocatable, nonpointer deferred-rank arrays.
 638
 639 2020-03-27  Tobias Burnus  <tobias@codesourcery.com>
 640
 641         PR fortran/93363
 642         * resolve.c (resolve_assoc_var): Reject association to DT and
 643         function name.
 644
 645 2020-03-25  Steven G. Kargl  <kargl@gcc.gnu.org>
 646
 647         PR fortran/93484
 648         * match.c (gfc_match_type_spec): Replace gfc_match_init_expr with
 649         gfc_match_expr. Return m if m is MATCH_NO or MATCH_ERROR.
 650
 651 2020-03-23  Mark Eggleston  <mark.eggleston@codethink.com>
 652         Steven G. Kargl  <kargl@gcc.gnu.org>
 653
 654         PR fortran/93600
 655         * expr.c (simplify_parameter_variable): Check whether the ref
 656         chain contains INQUIRY_LEN or INQUIRY_KIND and set inquiry
 657         boolean. When an empty array has been identified and a new
 658         new EXPR_ARRAY expression has been created only return that
 659         expression if inquiry is not set. This allows the new
 660         expression to drop through to be simplified into a
 661         EXPR_CONSTANT representing %kind or %len.
 662         * matc.c (gfc_match_assignment): If lvalue doesn't have a
 663         symtree free both lvalue and rvalue expressions and return
 664         an error.
 665         * resolv.c (gfc_resolve_ref): Ensure that code to handle
 666         INQUIRY_LEN is only performed for arrays with deferred types.
 667
 668 2020-03-18  Jakub Jelinek  <jakub@redhat.com>
 669
 670         * class.c (generate_finalization_wrapper): Fix up duplicated word
 671         issue in a comment.
 672         * trans-types.c (gfc_get_nodesc_array_type): Likewise.
 673
 674 2020-03-17  Jakub Jelinek  <jakub@redhat.com>
 675
 676         * array.c (gfc_check_iter_variable): Fix up duplicated word issue
 677         in a comment.
 678         * arith.c (gfc_arith_concat): Likewise.
 679         * resolve.c (gfc_resolve_ref): Likewise.
 680         * frontend-passes.c (matmul_lhs_realloc): Likewise.
 681         * module.c (gfc_match_submodule, load_needed): Likewise.
 682         * trans-expr.c (gfc_init_se): Likewise.
 683
 684 2020-03-15  Lewis Hyatt  <lhyatt@gmail.com>
 685
 686         * lang.opt: Avoid redundancy in the help text.
 687
 688 2020-03-12  Tobias Burnus  <tobias@codesourcery.com>
 689
 690         PR middle-end/94120
 691         * openmp.c (gfc_match_oacc_declare): Accept function-result
 692         variables; reject variables declared in a different scoping unit.
 693
 694 2020-03-08  Paul Thomas  <pault@gcc.gnu.org>
 695
 696         PR fortran/93581
 697         * resolve.c (gfc_resolve_ref): Modify array refs to be elements
 698         if the ref chain ends in INQUIRY_LEN.
 699         * trans-array.c (gfc_get_dataptr_offset): Provide the offsets
 700         for INQUIRY_RE and INQUIRY_IM.
 701
 702 2020-03-05 Steven G. Kargl  <kargl@gcc.gnu.org>
 703
 704         PR fortran/93792
 705         * decl.c (variable_decl): If param and initializer check
 706         for BOZ, if found,  output an error, set m to MATCH_ERROR
 707         and goto cleanup.
 708
 709 2020-03-02  Andrew Benson  <abensonca@gmail.com>
 710
 711         PR fortran/93486
 712         * module.c: Increase size of variables used to read module names
 713         when loading interfaces from module files to permit cases where
 714         the name is the concatenation of a module and submodule name.
 715         * gfortran.dg/pr93486.f90: New test.
 716
 717 2020-03-01  Paul Thomas  <pault@gcc.gnu.org>
 718
 719         PR fortran/92976
 720         * match.c (select_type_set_tmp): If the selector array spec has
 721         explicit bounds, make the temporary's bounds deferred.
 722
 723 2020-03-01  Paul Thomas  <pault@gcc.gnu.org>
 724
 725         PR fortran/92959
 726         * trans-intrinsic.c (gfc_conv_associated): Eliminate
 727         'nonzero_charlen' and move the chunk to evaluate zero character
 728         length until after the argument evaluation so that the string
 729         length can be used.
 730
 731 2020-02-28  Paul Thomas  <pault@gcc.gnu.org>
 732
 733         PR fortran/92785
 734         * trans-expr.c (gfc_conv_intrinsic_to_class): Renormalise non-
 735         variable expressions to be unity lbound based.
 736
 737 2020-02-25  Steven G. Kargl  <kargl@gcc.gnu.org>
 738
 739         * simplify.c (degrees_f): Remove unused code.
 740
 741 2020-02-25  Jakub Jelinek  <jakub@redhat.com>
 742
 743         PR translation/93864
 744         * intrinsic.texi (CO_BROADCAST): Fix typo, paramter -> parameter.
 745         * trans-array.c (gfc_allocate_pdt_comp, gfc_deallocate_pdt_comp,
 746         gfc_check_pdt_dummy): Fix comment typo paramter -> parameter.
 747
 748 2020-02-24  Mark Eggleston  <mark.eggleston@codethink.com>
 749             Steven G. Kargl  <kargl@gcc.gnu.org>
 750
 751         PR fortran/93835
 752         * decl.c (gfc_match_data) : Check whether the data expression
 753         is a derived type and is a constructor. If a BOZ constant
 754         is encountered in the constructor output an error and return
 755         MATCH_ERROR.
 756
 757 2020-02-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 758
 759         PR fortran/93604
 760         * decl.c (gfc_match_data) : Check whether the data expression
 761         is a derived type and is a constructor. If a BOZ constant
 762         is encountered in the constructor output an error and return
 763         MATCH_ERROR.
 764
 765 2020-02-24  Tobias Burnus  <tobias@codesourcery.com>
 766
 767         PR fortran/93552
 768         * match.c (match_exit_cycle): With OpenACC, check the kernels loop
 769         directive and tile clause as well.
 770
 771 2020-02-23  Thomas Koenig  <tkoenig@gcc.gnu.org>
 772
 773         PR fortran/93889
 774         * interface.c (compare_parameter): Fix error message.
 775
 776 2020-02-23  Thomas Koenig  <tkoenig@gcc.gnu.org>
 777
 778         PR fortran/93890
 779         * interface.c: Replace "can not" by "cannot" and remove trailing
 780         space.
 781
 782 2020-02-20  Tobias Burnus  <tobias@codesourcery.com>
 783
 784         PR fortran/93825
 785         * openmp.c (resolve_oacc_loop_blocks): Move call to
 786         resolve_oacc_nested_loops from here ...
 787         (resolve_oacc_loop): ... to here.
 788
 789 2020-02-18  Mark Eggleston  <markeggleston@gcc.gnu.org>
 790
 791         PR fortran/93714
 792         * expr.c (gfc_check_pointer_assign): Move check for
 793         matching character length to after checking the lvalue
 794         attributes for target or pointer.
 795
 796 2020-02-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 797
 798         PR fortran/93601
 799         * match.c (gfc_match_assignment) : Reject assignment if
 800         the lhs stype is BT_CLASS and the rhs type is BT_BOZ.
 801
 802 2020-02-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 803
 804         PR fortran/93603
 805         * match.c (gfc_match_associate) : If target expression
 806         has the type BT_BOZ output an error and goto
 807         assocListError.
 808
 809 2020-02-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 810             Mark Eggleston  <markeggleston@gcc.gnu.org>
 811
 812         PR fortran/93580
 813         * primary.c (gfc_match_varspec): If the symbol following %
 814         is re or im and the primary expression type is not BT_COMPLEX
 815         issue an error. If the symbol is len and the primary
 816         expression type is not BT_CHARACTER is an error.
 817
 818 2020-02-10  Andrew Benson  <abensonca@gmail.com>
 819
 820         PR fortran/83113
 821         * array.c: Do not attempt to set the array spec for a submodule
 822         function symbol (as it has already been set in the corresponding
 823         module procedure interface).
 824         * symbol.c: Do not reject duplicate POINTER, ALLOCATABLE, or
 825         DIMENSION attributes in declarations of a submodule function.
 826         * gfortran.h: Add a macro that tests for a module procedure in a
 827         submodule.
 828         * gfortran.dg/pr83113.f90: New test.
 829
 830 2020-02-03  Julian Brown  <julian@codesourcery.com>
 831             Tobias Burnus  <tobias@codesourcery.com>
 832
 833         * cpp.c (cpp_define_builtins): Update _OPENACC define to 201711.
 834         * intrinsic.texi: Update mentions of OpenACC version to 2.6.
 835         * gfortran.texi: Likewise. Remove experimental disclamer for OpenACC.
 836         * invoke.texi: Remove experimental disclamer for OpenACC.
 837
 838 2020-02-03  Tobias Burnus  <tobias@codesourcery.com>
 839
 840         PR fortran/93541
 841         * intrinisic.texi (OpenMP Modules OMP_LIB and OMP_LIB_KINDS):
 842         Add undocumented parameters from omp_lib.f90.in.
 843
 844 2020-02-03  Tobias Burnus  <tobias@codesourcery.com>
 845
 846         PR fortran/93427
 847         * resolve.c (resolve_assoc_var): Remove too strict check.
 848         * gfortran.dg/associate_51.f90: Update test case.
 849
 850 2020-02-01  Jakub Jelinek  <jakub@redhat.com>
 851
 852         PR fortran/92305
 853         * trans-types.c (gfc_get_function_type): Also push boolean_type_node
 854         types for non-character scalar VALUE optional dummy arguments.
 855         * trans-decl.c (create_function_arglist): Skip those in
 856         hidden_typelist.  Formatting fix.
 857
 858 2020-01-31  Tobias Burnus  <tobias@codesourcery.com>
 859
 860         PR fortran/93462
 861         * frontend-passes.c (gfc_code_walker): For EXEC_OACC_ATOMIC, set
 862         in_omp_atomic to true prevent front-end optimization.
 863
 864 2020-01-30  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 865
 866         PR fortran/87103
 867         * expr.c (gfc_check_conformance): Check vsnprintf for truncation.
 868         * iresolve.c (gfc_get_string): Likewise.
 869         * symbol.c (gfc_new_symbol): Remove check for maximum symbol
 870         name length.  Remove redundant 0 setting of new calloc()ed
 871         gfc_symbol.
 872
 873 2020-01-30  Paul Thomas  <pault@gcc.gnu.org>
 874             Jakub Jelinek  <jakub@redhat.com>
 875
 876         PR fortran/92123
 877         * trans-decl.c (gfc_get_symbol_decl): Call gfc_defer_symbol_init for
 878         CFI descs.
 879         (gfc_build_builtin_function_decls): Use ".w." instead of ".ww" or ".wR"
 880         for gfor_fndecl_{cfi_to_gfc,gfc_to_cfi}.
 881         (convert_CFI_desc): Handle references to CFI descriptors.
 882
 883 2020-01-29  Jakub Jelinek  <jakub@redhat.com>
 884
 885         PR fortran/93463
 886         * openmp.c (oacc_code_to_statement): Handle
 887         EXEC_OACC_{ROUTINE,UPDATE,WAIT,CACHE,{ENTER,EXIT}_DATA,DECLARE}.
 888
 889 2020-01-28  Andrew Benson  <abensonca@gmail.com>
 890
 891         PR fortran/93461
 892         * trans.h: Increase GFC_MAX_MANGLED_SYMBOL_LEN to
 893         GFC_MAX_SYMBOL_LEN*3+5 to allow for inclusion of submodule name,
 894         plus the "." between module and submodule names.
 895         * gfortran.dg/pr93461.f90: New test.
 896
 897 2020-01-28  Andrew Benson  <abensonca@gmail.com>
 898
 899         PR fortran/93473
 900         * parse.c: Increase length of char variables to allow them to hold
 901         a concatenated module + submodule name.
 902         * gfortran.dg/pr93473.f90: New test.
 903
 904 2020-01-28  Julian Brown  <julian@codesourcery.com>
 905
 906         PR fortran/93025
 907         * openmp.c (resolve_omp_clauses): Check array references for contiguity.
 908
 909 2020-01-28  Julian Brown  <julian@codesourcery.com>
 910
 911         * gfortran.h (gfc_symbol): Add comp_mark bitfield.
 912         * openmp.c (resolve_omp_clauses): Disallow mixed component and
 913         full-derived-type accesses to the same variable within a single
 914         directive.
 915
 916 2020-01-28  Tobias Burnus  <tobias@codesourcery.com>
 917
 918         PR fortran/93464
 919         * openmp.c (gfc_omp_check_optional_argument): Avoid ICE when
 920         DECL_LANG_SPECIFIC and GFC_DESCRIPTOR_TYPE_P but not
 921         GFC_DECL_SAVED_DESCRIPTOR as for local allocatable character vars.
 922
 923 2020-01-28  Tobias Burnus  <tobias@codesourcery.com>
 924
 925         * gfortran.texi (Runtime): Remove tailing '.' in @menu.
 926
 927 2020-01-27  Tobias Burnus  <tobias@codesourcery.com>
 928
 929         PR fortran/85781
 930         * trans-expr.c (gfc_conv_substring): Handle non-ARRAY_TYPE strings
 931         of Bind(C) procedures.
 932
 933 2020-01-22  Jakub Jelinek  <jakub@redhat.com>
 934
 935         * parse.c (parse_omp_structured_block): Handle ST_OMP_TARGET_PARALLEL.
 936         * trans-openmp.c (gfc_trans_omp_target)
 937         <case EXEC_OMP_TARGET_PARALLEL>: Call pushlevel first.
 938
 939         PR fortran/93329
 940         * openmp.c (omp_code_to_statement): Handle remaining EXEC_OMP_*
 941         cases.
 942
 943 2020-01-21  Tobias Burnus  <tobias@codesourcery.com>
 944
 945         PR fortran/93309
 946         * interface.c (gfc_procedure_use): Also check parent namespace for
 947         'implict none (external)'.
 948         * symbol.c (gfc_get_namespace): Don't set has_implicit_none_export
 949         to parent namespace's setting.
 950
 951 2020-01-19  Thomas König  <tkoenig@gcc.gnu.org>
 952
 953         PR fortran/44960
 954         * primary.c (gfc_match_rvalue): Break after setting MATCH_ERROR.
 955         * resolve.c (resolve_function): Issue error when a
 956         function call contains a reference.
 957
 958 2020-01-17  Mark Eggleston  <mark.eggleston@codethink.com>
 959
 960         PR fortran/93236
 961         * resolve.c (resolve_types): Declare boolean recursive and set with the
 962         value of the recursive attribute of namespace proc_name symbol
 963         structure if it exists.  Call gfc_save_all if both flag_automatic and
 964         recursive are false or ns->save_all is true.
 965
 966 2020-01-16  Tobias Burnus  <tobias@codesourcery.com>
 967
 968         PR fortran/93253
 969         * check.c (gfc_invalid_boz): Mention -fallow-invalid-boz
 970         in the error message.
 971         * gfortran.texi (BOZ literal constants): List another missing
 972         extension and refer to -fallow-invalid-boz.
 973         * lang.opt (fallow-invalid-boz): Also mention 'X' in the help text
 974         as it is not covered by the previous wording.
 975         * primary.c (match_boz_constant): Tweak wording such that it is
 976         clear how to fix the nonstandard use.
 977
 978 2020-01-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 979
 980         PR fortran/65428
 981         * array.c (empty_constructor): New variable.
 982         (empty_ts): New variable.
 983         (expand_constructor): Save typespec in empty_ts.
 984         Unset empty_constructor if there is an element.
 985         (gfc_expand_constructor): Initialize empty_constructor
 986         and empty_ts.  If there was no explicit constructor
 987         type and the constructor is empty, take the type from
 988         empty_ts.
 989
 990 2020-01-09  Tobias Burnus  <tobias@codesourcery.com>
 991
 992         PR fortran/84135
 993         * array.c (gfc_set_array_spec): Fix shifting of codimensions
 994         when adding a dimension.
 995         * decl.c (merge_array_spec): Ditto. Fix using correct codimensions.
 996
 997 2020-01-07  Jakub Jelinek  <jakub@redhat.com>
 998
 999         PR fortran/93162
1000         * trans-openmp.c (gfc_trans_omp_clauses): Check for REF_ARRAY type
1001         before testing u.ar.type == AR_FULL.
1002
1003 2020-01-04  Tobias Burnus  <tobias@codesourcery.com>
1004
1005         PR fortran/91640
1006         * trans-expr.c (gfc_conv_procedure_call): Avoid copy-out for nonvariable
1007         arguments to contiguous dummy args.  Avoid re-checking whether fsym is
1008         NULL.
1009
1010 2020-01-03  Tobias Burnus  <tobias@codesourcery.com>
1011
1012         * trans-openmp.c (gfc_omp_check_optional_argument): Always return a
1013         Boolean expression; handle unallocated/disassociated actual arguments
1014         as absent if passed to nonallocatable/nonpointer dummy array arguments.
1015         (gfc_build_cond_assign): Change to assume a Boolean expr not a pointer.
1016         (gfc_omp_finish_clause, gfc_trans_omp_clauses): Assign NULL to generated
1017         array-data variable if the argument is absent. Simplify code as
1018         'present' is now a Boolean expression.
1019
1020 2020-01-03  Tobias Burnus  <tobias@codesourcery.com>
1021
1022         PR fortran/92994
1023         * primary.c (gfc_match_rvalue): Add some flavor checks
1024         gfc_matching_procptr_assignment.
1025         * resolve.c (resolve_assoc_var): Add more checks for invalid targets.
1026
1027 2020-01-02  Tobias Burnus  <tobias@codesourcery.com>
1028
1029         PR fortran/68020
1030         * array.c (gfc_match_array_spec): Fix implied-type matching
1031         for rank > 2.
1032
1033 2020-01-01  Thomas Koenig  <tkoenig@gcc.gnu.org>
1034
1035         PR fortran/93113
1036         * dependency.c (gfc_dep_resolver): Handle REF_INQUIRY in switch
1037         for ref types.
1038
1039 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
1040
1041         Update copyright years.
1042
1043         * gfortranspec.c (lang_specific_driver): Update copyright notice
1044         dates.
1045         * gfc-internals.texi: Bump @copying's copyright year.
1046         * gfortran.texi: Ditto.
1047         * intrinsic.texi: Ditto.
1048         * invoke.texi: Ditto.
1049 \f
1050 Copyright (C) 2020 Free Software Foundation, Inc.
1051
1052 Copying and distribution of this file, with or without modification,
1053 are permitted in any medium without royalty provided the copyright
1054 notice and this notice are preserved.