gcc/fortran/ChangeLog

   1 2018-07-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
   2
   3         * trans-intrinsic.c: (gfc_conv_intrinsic_minmax): Emit MIN_MAX_EXPR
   4         or IFN_FMIN/FMAX sequence to calculate the min/max when possible.
   5
   6 2018-07-18  Janus Weil  <janus@gcc.gnu.org>
   7             Thomas Koenig  <tkoenig@gcc.gnu.org>
   8
   9         PR fortran/85599
  10         * dump-parse-tree.c (show_attr): Add handling of implicit_pure.
  11         * frontend-passes.c (do_warn_function_elimination): Do not warn for
  12         pure functions.
  13         * gfortran.h: Add prototypes for gfc_pure_function and
  14         gfc_implicit_pure_function.
  15         * gfortran.texi: Add chapter on evaluation of logical expressions.
  16         * invoke.texi: Mention that -Wfunction-elimination is implied
  17         by -Wextra.
  18         * lang.opt: Make -Wextra imply -Wfunction-elimination.
  19         * resolve.c (pure_function): Rename to gfc_pure_function.
  20         (gfc_implicit_pure_function): New function.
  21         (check_pure_function): Use it here.
  22         (impure_function_callback): New function.
  23         (resolve_operator): Call it via gfc_expr_walker.
  24
  25 2018-07-16  Fritz Reese  <fritzoreese@gmail.com>
  26
  27         PR fortran/83184
  28         * decl.c (match_old_style_init): Initialize locus of variable expr when
  29         creating a data variable.
  30         (match_clist_expr): Verify array is explicit shape/size before
  31         attempting to allocate constant array constructor.
  32
  33 2018-07-16  Fritz Reese  <fritzoreese@gmail.com>
  34
  35         PR fortran/86417
  36         * module.c (mio_component): Set component->loc when loading from module.
  37
  38 2018-07-10  Jakub Jelinek  <jakub@redhat.com>
  39
  40         PR fortran/86421
  41         * module.c (omp_declare_simd_clauses): Add LINEAR with _REF, _VAL and
  42         _UVAL suffixes.
  43         (mio_omp_declare_simd): Save and restore ref, val and uval modifiers
  44         on linear clauses.  Initialize n->where to gfc_current_locus.
  45
  46 2018-07-05  Paul Thomas  <pault@gcc.gnu.org>
  47
  48         PR fortran/86408
  49         * resolve.c.c (resolve_contained_fntype): Reference to C418 is
  50         in F2008 and not F2003.
  51         (resolve_function): Ditto in error message. Also, exclude
  52         deferred character length results from the error.
  53
  54 2018-07-05  Fritz Reese  <fritzoreese@gmail.com>
  55
  56         PR fortran/83183
  57         PR fortran/86325
  58         * expr.c (class_allocatable, class_pointer, comp_allocatable,
  59         comp_pointer): New helpers.
  60         (component_initializer): Generate EXPR_NULL for allocatable or pointer
  61         components. Do not generate initializers for components within BT_CLASS.
  62         Do not assign to comp->initializer.
  63         (gfc_generate_initializer): Use new helpers; move code to generate
  64         EXPR_NULL for class allocatable components into component_initializer().
  65
  66 2018-07-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
  67
  68         PR fortran/82009
  69         * trans-decl.c (gfc_process_block_locals): Delete assert and set
  70         saved_local_decls = NULL_TREE.
  71
  72 2018-07-02  Richard Biener  <rguenther@suse.de>
  73
  74         PR lto/86321
  75         * trans-types.c (gfc_get_array_type_bounds): Unshare TYPE_FIELDs
  76         for the distinct type copy.
  77
  78 2018-07-02  Paul Thomas  <pault@gcc.gnu.org>
  79
  80         PR fortran/82969
  81         PR fortran/86242
  82         * trans-array.c (structure_alloc_comps): Do not explicitly copy
  83         procedure pointer components.
  84
  85 2018-07-02  Paul Thomas  <pault@gcc.gnu.org>
  86
  87         PR fortran/45305
  88         * expr.c : Add a prototype for scalarize_intrinsic_call.
  89         (gfc_simplify_expr): Use scalarize_intrinsic_call for elemental
  90         intrinsic function calls.
  91         (scalarize_intrinsic_call): Add 'init_flag' argument. Check if
  92         the expression or any of the actual argument expressions are
  93         NULL. Before calling gfc_check_init_expr, check 'init_flag'.
  94         Only simplify the scalarized expressions if there are no errors
  95         on the stack.
  96         (gfc_check_init_expr): Set 'init_flag' true in the call to
  97         scalarize_intrinsic_call.
  98
  99 2018-06-28  Fritz Reese  <fritzoreese@gmail.com>
 100
 101         PR fortran/82865
 102         * decl.c (gfc_match_type): Refactor and check for PDT declarations.
 103
 104 2018-06-28  Martin Liska  <mliska@suse.cz>
 105
 106         * gfortranspec.c: Include opt-suggestions.h.
 107
 108 2018-06-25  Fritz Reese  <fritzoreese@gmail.com>
 109
 110         PR fortran/82972
 111         PR fortran/83088
 112         PR fortran/85851
 113         * expr.c (component_initializer): Assign init expr to c->initializer.
 114         (generate_isocbinding_initializer): New.
 115         (gfc_generate_initializer): Call generate_isocbinding_initializer to
 116         generate initializers for c_ptr and c_funptr with -finit-derived.
 117
 118 2018-06-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 119
 120         PR fortran/85983
 121         * interface.c (check_dtio_interface1): Delete assert.
 122
 123 2018-06-22  Paul Thomas  <pault@gcc.gnu.org>
 124             Rainer Orth  <ro@gcc.gnu.org>
 125
 126         PR fortran/86281
 127         * resolve.c (resolve_contained_fntype): Check for the charlen
 128         before testing the length.
 129
 130 2018-06-21  Paul Thomas  <pault@gcc.gnu.org>
 131
 132         PR fortran/49630
 133         * resolve.c (resolve_contained_fntype): Change standard ref.
 134         from F95 to F2003: C418. Correct a spelling error in a comment.
 135         It is an error for an abstract interface to have an assumed
 136         character length result.
 137         * trans-expr.c (gfc_conv_procedure_call): Likewise change the
 138         standard reference.
 139
 140 2018-06-21  Paul Thomas  <pault@gcc.gnu.org>
 141
 142         PR fortran/83118
 143         * resolve.c (resolve_ordinary_assign): Force the creation of a
 144         vtable for assignment of non-polymorphic expressions to an
 145         unlimited polymorphic object.
 146         * trans-array.c (gfc_alloc_allocatable_for_assignment): Use the
 147         size of the rhs type for such assignments. Set the dtype, _len
 148         and vptrs appropriately.
 149         * trans-expr.c (gfc_trans_assignment): Force the use of the
 150         _copy function for these assignments.
 151
 152 2018-06-20  Chung-Lin Tang <cltang@codesourcery.com>
 153             Thomas Schwinge <thomas@codesourcery.com>
 154             Cesar Philippidis  <cesar@codesourcery.com>
 155
 156         * gfortran.h (gfc_omp_clauses): Add unsigned if_present, finalize
 157         bitfields.
 158         * openmp.c (enum omp_mask2): Remove OMP_CLAUSE_PRESENT_OR_*. Add
 159         OMP_CLAUSE_{IF_PRESENT,FINALIZE}.
 160         (gfc_match_omp_clauses): Update handling of copy, copyin, copyout,
 161         create, deviceptr, present_of_*. Add support for finalize and
 162         if_present.
 163         (OACC_PARALLEL_CLAUSES): Remove PRESENT_OR_* clauses.
 164         (OACC_KERNELS_CLAUSES): Likewise.
 165         (OACC_DATA_CLAUSES): Likewise.
 166         (OACC_DECLARE_CLAUSES): Likewise.
 167         (OACC_UPDATE_CLAUSES): Add IF_PRESENT clause.
 168         (OACC_ENTER_DATA_CLAUSES): Remove PRESENT_OR_* clauses.
 169         (OACC_EXIT_DATA_CLAUSES): Add FINALIZE clause.
 170         (gfc_match_oacc_declare): Update to OpenACC 2.5 semantics.
 171         * trans-openmp.c (gfc_trans_omp_clauses): Add support for IF_PRESENT
 172         and FINALIZE.
 173
 174 2018-06-18  Eric Botcazou  <ebotcazou@adacore.com>
 175
 176         * trans-decl.c (gfc_get_fake_result_decl): Revert latest change.
 177
 178 2018-06-17  Eric Botcazou  <ebotcazou@adacore.com>
 179
 180         * trans-decl.c (nonlocal_dummy_decl_pset): Delete.
 181         (nonlocal_dummy_decls): Likewise.
 182         (gfc_nonlocal_dummy_array_decl): Likewise.
 183         (gfc_get_symbol_decl): Do not call gfc_nonlocal_dummy_array_decl.
 184         (gfc_get_fake_result_decl): Do not generate a new DECL if simply
 185         reusing the result of a recursive call.
 186         (gfc_generate_function_code): Do not create, insert and destroy
 187         nonlocal_dummy_decls.
 188
 189 2018-06-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 190
 191         PR fortran/86110
 192         * array.c (gfc_resolve_character_array_constructor): Avoid NULL
 193         pointer dereference.
 194
 195 2018-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 196
 197         PR fortran/85703
 198         * parse.c (decode_oacc_directive): Set gfc_matching_function
 199         to false.
 200         (decode_omp_directive): Likewise.
 201
 202 2018-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 203
 204         PR fortran/85702
 205         * openmp.c (gfc_match_oacc_wait): Use %C to report error location.
 206
 207 2018-06-12  David Malcolm  <dmalcolm@redhat.com>
 208
 209         PR other/69968
 210         * misc.c (gfc_closest_fuzzy_match): Update for renaming of
 211         levenshtein_distance to get_edit_distance.
 212
 213 2018-06-12  Steven G. Kargl  <kargl@gcc.gnu.org>
 214
 215         PR fortran/44491
 216         * expr.c (gfc_check_assign): Select non-NULL locus.
 217
 218 2018-06-11  Janus Weil  <janus@gcc.gnu.org>
 219
 220         PR fortran/45521
 221         * interface.c (compare_ptr_alloc): New function.
 222         (generic_correspondence): Call it.
 223
 224 2018-06-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 225
 226         * gfortran.h (gfc_expr): Add no_bounds_check field.
 227         * frontend-passes.c (get_array_inq_function): Set no_bounds_check
 228         on function and function argument.
 229         (inline_matmul_assign): Set no_bounds_check on zero expression
 230         and on lhs of zero expression.
 231         Also handle A1B2 case if realloc on assigment is active.
 232         * trans-array.c (gfc_conv_array_ref): Don't do range checking
 233         if expr has no_bounds_check set.
 234         (gfc_conv_expr_descriptor): Set no_bounds_check on ss if expr
 235         has it set.
 236         * trans-expr.c (gfc_trans_assignment_1): Set no_bounds_check
 237         on lss and lss if the corresponding expressions have it set.
 238
 239 2018-06-10  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 240
 241         PR fortran/79854
 242         * trans-const.c: Remove include "diagnostic-core.h".
 243         (gfc_conv_constant_to_tree): Replace fatal_error with gcc_unreachable.
 244
 245 2018-06-10  Janus Weil  <janus@gcc.gnu.org>
 246
 247         PR fortran/85088
 248         * decl.c (match_attr_spec): Synchronize the DECL_* enum values with the
 249         INTENT_* values from the enum 'sym_intent'. Call 'match_intent_spec'
 250         and remove a TODO note.
 251         * gfortran.h: Add a comment to sym_intent.
 252
 253 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 254
 255         PR fortran/38351
 256         * resolve.c (resolve_operator): Provide better error message for
 257         derived type entity used in an binary intrinsic numeric operator.
 258
 259 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 260
 261         PR fortran/85138
 262         PR fortran/85996
 263         PR fortran/86051
 264         * decl.c (gfc_match_char_spec): Use private namespace in attempt to
 265         reduce a charlen to a constant.
 266
 267 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 268
 269         PR fortran/78278
 270         * data.c (gfc_assign_data_value): Re-arrange code to allow for
 271         an error for double initialization of CHARACTER entities.
 272
 273 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 274
 275         PR fortran/63514
 276         * symbol.c (gfc_add_volatile): Enforce F2008:C1282 and F2018:C1588.
 277
 278 2018-06-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 279
 280         PR fortran/85631
 281         * trans.h (gfc_ss): Add field no_bounds_check.
 282         * trans-array.c (gfc_conv_ss_startstride): If flag_realloc_lhs and
 283         ss->no_bounds_check is set, do not use runtime checks.
 284         * trans-expr.c (gfc_trans_assignment_1): Set lss->no_bounds_check
 285         for reallocatable lhs.
 286
 287 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 288
 289         PR fortran/86059
 290         * array.c (match_array_cons_element): NULL() cannot be in an
 291         array constructor.
 292
 293 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 294
 295         PR fortran/78571
 296         * data.c (create_character_initializer): Return early if type is
 297         incompatible with CHARACTER.
 298
 299 2018-06-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 300
 301         PR fortran/86045
 302         * simplify.c (gfc_simplify_mod): Re-arrange code to test whether
 303         'P' is zero and issue an error if it is.
 304
 305 2018-06-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 306
 307         PR fortran/85641
 308         * frontend-passes.c (is_fe_temp): Add prototype.
 309         (realloc_string_callback): Early return for frontend-generated
 310         temporary.
 311
 312 2018-06-05  Cesar Philippidis  <cesar@codesourcery.com>
 313
 314         PR fortran/85701
 315
 316         * openmp.c (gfc_resolve_oacc_declare): Error on functions and
 317         subroutine data clause arguments.
 318
 319 2018-06-04  Steven G. Kargl  <kargl@gcc.gnu.org>
 320
 321         PR fortran/85981
 322         * resolve.c (resolve_allocate_deallocate): Check errmsg is default
 323         character kind.
 324
 325 2018-06-03  Paul Thomas  <pault@gcc.gnu.org>
 326
 327         PR fortran/36497
 328         * decl.c (variable_decl): Use gfc_add_type for cray pointees.
 329
 330 2018-06-01  Steven G. Kargl  <kargl@gcc.gnu.org>
 331
 332         PR fortran/63570
 333         * check.c (gfc_check_random_init): New function. Check arguments of
 334         RANDOM_INIT.
 335         * gfortran.h (GFC_ISYM_RANDOM_INIT): New enum token.
 336         * intrinsic.c (add_subroutines): Add RANDOM_INIT to list of
 337         subroutines.
 338         (gfc_check_intrinsic_standard): Introduce Fortran 2018 check.
 339         * intrinsic.h: Add prototypes for gfc_check_random_init and
 340         gfc_resolve_random_init
 341         * intrinsic.texi: Document new intrinsic subprogram.
 342         * iresolve.c (gfc_resolve_random_init): Resolve routine name.
 343         * trans-decl.c: Declare gfor_fndecl_random_init
 344         * trans-intrinsic.c (conv_intrinsic_random_init): New function.
 345         Translate call to RANDOM_INIT.
 346         (gfc_conv_intrinsic_subroutine): Call it.
 347         * trans.h: Declare gfor_fndecl_random_init
 348
 349 2018-05-27  Steven G. Kargl  <kargl@gcc.gnu.org>
 350
 351         * decl.c (match_data_constant):  Fortran 2018 allows pointer
 352         initialization in a data statement.
 353
 354 2018-05-25  Janus Weil  <janus@gcc.gnu.org>
 355
 356         PR fortran/85839
 357         * match.c (gfc_match_block_data): Call gfc_notify_std to warn about
 358         an obsolescent feature in Fortran 2018.
 359         (gfc_match_equivalence): Ditto.
 360         * resolve.c (resolve_common_blocks): Ditto.
 361         (gfc_resolve_forall): Ditto.
 362         * symbol.c (gfc_define_st_label): Ditto.
 363
 364 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 365
 366         PR fortran/85543
 367         * resolve.c (update_current_proc_array_outer_dependency): Avoid NULL
 368         pointer dereference.
 369
 370 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 371
 372         PR fortran/85780
 373         * resolve.c (resolve_fl_procedure): Avoid NULL dereference.
 374
 375 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 376
 377         PR fortran/85779
 378         * decl.c (gfc_match_derived_decl): Fix NULL point dereference.
 379
 380 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 381
 382         PR fortran/85895
 383         * resolve.c (resolve_sync): Resolve expression before checking for
 384         an error.
 385
 386 2018-05-22  Janus Weil  <janus@gcc.gnu.org>
 387
 388         PR fortran/85841
 389         * libgfortran.h: Remove the macros GFC_STD_F2008_TS and
 390         GFC_STD_OPT_F08TS.
 391         * error.c (notify_std_msg): Remove GFC_STD_F2008_TS.
 392         * options.c (set_default_std_flags): Ditto.
 393         (gfc_handle_option): Make -std=f2008ts an alias for -std=f2018.
 394         * array.c (gfc_match_array_spec): Replace GFC_STD_F2008_TS by
 395         GFC_STD_F2018.
 396         * check.c (gfc_check_atomic, gfc_check_event_query,
 397         gfc_check_c_f_pointer, gfc_check_c_f_procpointer, gfc_check_c_funloc,
 398         gfc_check_c_loc, gfc_check_num_images, gfc_check_this_image): Ditto.
 399         * decl.c (gfc_verify_c_interop_param, gfc_match_decl_type_spec): Ditto.
 400         * intrinsic.c (add_functions, add_subroutines,
 401         gfc_check_intrinsic_standard): Ditto.
 402         * iso-c-binding.def: Ditto.
 403         * iso-fortran-env.def: Ditto.
 404         * match.c (gfc_match_event_post, gfc_match_event_wait,
 405         gfc_match_fail_image, gfc_match_form_team, gfc_match_change_team,
 406         gfc_match_end_team, gfc_match_sync_team): Ditto.
 407         * gfortran.texi: Remove mention of -std=f2008ts.
 408         Move TSs into F2018 section.
 409         * invoke.texi: Update documentation of -std=f2008ts.
 410
 411 2018-05-21  Janus Weil  <janus@gcc.gnu.org>
 412
 413         PR fortran/85841
 414         * libgfortran.h: New macros GFC_STD_OPT_*.
 415         * error.c (notify_std_msg): New function.
 416         (gfc_notify_std): Adjust such that it can handle combinations of
 417         GFC_STD_* flags in the 'std' argument, not just a single one.
 418         * match.c (match_arithmetic_if, gfc_match_if): Reject arithmetic if
 419         in Fortran 2018.
 420         (gfc_match_stopcode): Use GFC_STD_OPT_* macros.
 421         * options.c (set_default_std_flags): Warn for F2018 deleted features
 422         by default.
 423         (gfc_handle_option): F2018 deleted features are allowed in earlier
 424         standards.
 425         * symbol.c (gfc_define_st_label, gfc_reference_st_label): Reject
 426         nonblock do constructs in Fortran 2018.
 427
 428 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 429
 430         PR fortran/80657
 431         * resolve.c (flag_fn_result_spec): Use the 'sym' argument to
 432         test for self refs to the function result in the character len
 433         expression. If a self reference is found, emit an error and
 434         return true.
 435         (resolve_fntype): Use the function symbol in the calls to the
 436         above.
 437
 438 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 439
 440         PR fortran/49636
 441         * trans-array.c (gfc_get_array_span): Renamed from
 442         'get_array_span'.
 443         (gfc_conv_expr_descriptor): Change references to above.
 444         * trans-array.h : Add prototype for 'gfc_get_array_span'.
 445         * trans-intrinsic.c (gfc_conv_associated): Add pre and post
 446         blocks for 'arg1'.
 447         * trans-stmt.c (trans_associate_var): If the associate name is
 448         a subref array pointer, use gfc_get_array_span for the span.
 449
 450 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 451
 452         PR fortran/82275
 453         * match.c (gfc_match_type_spec): Go through the array ref and
 454         decrement 'rank' for every dimension that is an element.
 455
 456 2018-05-19  Paul Thomas  <pault@gcc.gnu.org>
 457
 458         PR fortran/82923
 459         PR fortran/66694
 460         PR fortran/82617
 461         * trans-array.c (gfc_alloc_allocatable_for_assignment): Set the
 462         charlen backend_decl of the rhs expr to ss->info->string_length
 463         so that the value in the current scope is used.
 464
 465 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 466
 467         PR fortran/63529
 468         * gfortran.texi: Clarify documentation for Cray pointer and
 469         assumed-sized array.
 470
 471 2018-05-13  Paul Thomas  <pault@gcc.gnu.org>
 472
 473         PR fortran/85742
 474         * trans-types.c (gfc_get_dtype_rank_type): Reorder evaluation
 475         of 'size'. If the element type is a pointer use the size of the
 476         TREE_TYPE of the type, unless it is VOID_TYPE. In this latter
 477         case, set the size to zero.
 478
 479 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 480
 481         * gfortran.h: Remove prototype.
 482         * symbol.c (gfc_new_undo_checkpoint): Remove unused function.
 483
 484 2018-05-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 485
 486         PR fortran/85542
 487         * expr.c (check_inquiry): Avoid NULL pointer dereference.
 488
 489 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 490
 491         PR fortran/85687
 492         * check.c (gfc_check_rank): Check that the argument is a data object.
 493
 494 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 495
 496         PR fortran/85521
 497         * array.c (gfc_resolve_character_array_constructor): Substrings
 498         with upper bound smaller than lower bound are zero length strings.
 499
 500 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 501
 502         PR fortran/70870
 503         * data.c (gfc_assign_data_value): Check that a data object does
 504         not also have default initialization.
 505
 506 2018-05-10  Marek Polacek  <polacek@redhat.com>
 507
 508         PR fortran/85735
 509         * options.c (gfc_post_options): Set main_input_filename.
 510
 511 2018-05-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 512
 513         PR fortran/54613
 514         * intrinsic.texi: Document BACK for MINLOC and MAXLOC.
 515
 516 2018-05-10  Paul Thomas  <pault@gcc.gnu.org>
 517
 518         PR fortran/68846
 519         PR fortran/70864
 520         * resolve.c (get_temp_from_expr): The temporary must not have
 521         dummy or intent attributes.
 522
 523 2018-05-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 524
 525         PR fortran/54613
 526         * check.c (gfc_check_minmaxloc): Remove error for BACK not being
 527         implemented.  Use gfc_logical_4_kind for BACK.
 528         * simplify.c (min_max_choose): Add optional argument back_val.
 529         Handle it.
 530         (simplify_minmaxloc_to_scalar): Add argument back_val. Pass
 531         back_val to min_max_choose.
 532         (simplify_minmaxloc_to_nodim): Likewise.
 533         (simplify_minmaxloc_to_array): Likewise.
 534         (gfc_simplify_minmaxloc): Add argument back, handle it.
 535         Pass back_val to specific simplification functions.
 536         (gfc_simplify_minloc): Remove ATTRIBUTE_UNUSED from argument back,
 537         pass it on to gfc_simplify_minmaxloc.
 538         (gfc_simplify_maxloc): Likewise.
 539         * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Adjust
 540         comment. If BACK is true, use greater or equal (or lesser or
 541         equal) insteal of greater (or lesser). Mark the condition of
 542         having found a value which exceeds the limit as unlikely.
 543
 544 2018-05-07  Jeff Law  <law@redhat.comg>
 545
 546         * scanner.c (preprocessor_line): Call linemap_add after a line
 547         directive that changes the current filename.
 548
 549 2018-05-06  Andre Vehreschild  <vehre@gcc.gnu.org>
 550
 551         PR fortran/85507
 552         * dependency.c (gfc_dep_resolver): Revert looking at coarray dimension
 553         introduced by r259385.
 554         * trans-intrinsic.c (conv_caf_send): Always report a dependency for
 555         same variables in coarray assignments.
 556
 557 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 558
 559         PR libgomp/82428
 560         * f95-lang.c (DEF_GOACC_BUILTIN_ONLY): Define.
 561
 562 2018-04-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 563
 564         PR fortran/85520
 565         * decl.c (gfc_match_char_spec): Check for negative length and set to 0.
 566
 567 2018-04-14  Andre Vehreschild  <vehre@gcc.gnu.org>
 568
 569         PR fortran/81773
 570         PR fortran/83606
 571         * dependency.c (gfc_dep_resolver): Coarray indexes are to be ignored
 572         during dependency computation.  They define no data dependency.
 573         * trans-array.c (conv_array_index_offset): The stride can not be set
 574         here, prevent fail.
 575         * trans-intrinsic.c (conv_caf_send): Add creation of temporary array
 576         for caf_get's result and copying to the array with vectorial
 577         indexing.
 578
 579 2018-04-14  Thomas Koenig  <tkoenig@gcc.gnu.org>
 580
 581         PR fortran/85387
 582         * frontend-passes.c (traverse_io_block): Check for start, end or
 583         stride being defined by an outer implied DO loop.
 584
 585 2018-04-12  Thomas Koenig  <tkoenig@gcc.gnu.org>
 586
 587         PR fortran/83064
 588         PR testsuite/85346
 589         * trans-stmt.c (gfc_trans_forall_loop): Use annot_expr_ivdep_kind
 590         for annotation and remove dependence on -ftree-parallelize-loops.
 591
 592 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
 593
 594         PR fortran/85313
 595         * openmp.c (resolve_omp_do): Remove bogus if (j < i) break;.
 596         (resolve_oacc_nested_loops): Likewise.  Formatting fix.
 597
 598 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 599
 600         PR fortran/83064
 601         * trans-stmt.c (gfc_trans_forall_loop): Remove annotation for
 602         parallell processing of DO CONCURRENT -ftree-parallelize-loops
 603         is set.
 604
 605 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 606
 607         PR fortran/51260
 608         * resolve.c (resolve_variable): Simplify cases where access to a
 609         parameter array results in a single constant.
 610
 611 2018-04-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 612
 613         PR fortran/85102
 614         * decl.c (variable_decl): If upper or lower bounds simplify
 615         to a constant, use that.
 616
 617 2018-03-30  Paul Thomas  <pault@gcc.gnu.org>
 618
 619         PR fortran/84931
 620         * simplify.c (gfc_convert_constant): Handle case of array
 621         constructors within an array that has no iterator and improve
 622         the conciseness of this section of code.
 623
 624 2017-03-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
 625
 626         PR fortran/85111
 627         * array.c (gfc_resolve_character_array_constructor): Early
 628         exit for zero-size arrays.
 629         * simplify.c (simplify_transformation_to_array): Exit early
 630         if the result size is zero.
 631         (simplify_minmaxloc_to_array): Likewise.
 632
 633 2018-03-28  Mikael Morin  <mikael@gcc.gnu.org>
 634
 635         PR fortran/69497
 636         * symbol.c (gfc_symbol_done_2): Start freeing namespaces
 637         from the root.
 638         (gfc_free_namespace): Restore assert (revert r258839).
 639
 640 2018-03-28  Jakub Jelinek  <jakub@redhat.com>
 641
 642         * gfortran.h (gfc_dt): Rename default_exp field to dec_ext.
 643         * ioparm.def (IOPARM_dt_default_exp): Rename to ...
 644         (IOPARM_dt_dec_ext): ... this.
 645         * trans-io.c (build_dt): Adjust for default_exp renaming to
 646         dec_ext and IOPARM_dt_default_exp renaming to IOPARM_dt_dec_ext.
 647         * io.c (match_io): Likewise.
 648
 649 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 650
 651         PR fortran/85084
 652         * frontend-passes.c (gfc_run_passes): Do not run front-end
 653         optimizations if a previous error occurred.
 654
 655 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 656         Harald Anlauf  <anlauf@gmx.de>
 657
 658         PR fortran/85083
 659         * primary.c (gfc_convert_to_structure_constructor): Check
 660         conformance of argument types in structure constructor.
 661
 662 2018-03-26  Thomas Koenig  <tkoenig@gcc.gnu.org>
 663
 664         PR fortran/66709
 665         * io.c: Include constructor.h.
 666         (resolve_tag_format): For a constant character array, concatenate
 667         into a single character expression.
 668
 669 2018-03-25  Seth Johnson <johnsonsr@ornl.gov>
 670         Dominique d'Humieres  <dominiq@gcc.gnu.org>
 671
 672         PR fortran/84924
 673         * check.c (gfc_check_c_f_pointer): Allow scalar noninteroperable
 674         scalar derived type with -std=f2003 and -std=f2008.
 675
 676 2018-03-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 677             Dominique d'Humieres  <dominiq@gcc.gnu.org>
 678
 679         PR fortran/69497
 680         * symbol.c (gfc_free_namespace): Delete the assert and only if
 681         refs count is equals zero, free the namespace. Otherwise,
 682         something is halfway and other errors will resound.
 683
 684 2018-03-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
 685
 686         PR fortran/70068
 687         * expr.c (find_substring_ref): Change types of start, end
 688         and length variables to gfc_charlen_t. Set length to zero
 689         for empty substring.
 690
 691 2018-03-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 692
 693         PR fortran/42651
 694         * decl.c (check_function_name): Improved error message
 695         (gfc_match_volatile, gfc_match_asynchronous) Use check_function_name.
 696
 697 2018-03-22  Steven G. Kargl  <kargl@gcc.gnu.org>
 698
 699         PR fortran/84922
 700         * decl.c (get_proc_name): If the MODULE prefix appears in interface
 701         body, then it must appear on the contained subroutine or function.
 702         While here, fix nearby mis-indented code.
 703
 704 2018-03-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 705         Harald Anlauf  <anlauf@gmx.de>
 706
 707         PR fortran/84957
 708         * trans-types.c (gfc_sym_type): Do not dereference NULL pointer.
 709
 710 2018-03-21  Janne Blomqvist  <jb@gcc.gnu.org>
 711
 712         PR fortran/84615
 713         * trans-expr.c (gfc_conv_procedure_call): Convert charlen to
 714         gfc_charlen_type_node when calling procedure.
 715
 716 2018-03-20  Steven G. Kargl  <kargl@gcc.gnu.org>
 717
 718         PR fortran/85001
 719         * interface.c (symbol_rank): Remove bogus null pointer check that
 720         crept in when translating a ternary operator into an if-else
 721         constructor.
 722
 723 2018-03-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 724
 725         PR fortran/84931
 726         * simplify.c (gfc_convert_constant): Correctly handle iterators
 727         for type conversion.
 728
 729 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 730
 731         PR fortran/77414
 732         * decl.c (get_proc_name):  Check for a subroutine re-defined in
 733         the contain portion of a subroutine.  Change language of existing
 734         error message to better describe the issue. While here fix whitespace
 735         issues.
 736
 737 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 738
 739         PR fortran/65453
 740         * decl.c (get_proc_name): Catch clash between a procedure statement
 741         and a contained subprogram
 742
 743 2018-03-16  Steven G. Kargl  <kargl@gcc.gnu.org>
 744
 745         PR fortran/69395
 746         * decl.c (merge_array_spec): Correct the error condition.
 747
 748 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 749
 750         PR fortran/78741
 751         * decl.c (get_proc_name):  Check for clash of entry name with
 752         subroutine name.
 753
 754 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 755
 756         PR fortran/69395
 757         * decl.c (merge_array_spec): Limit the merging to maximum allowed
 758         dimensions, and issue error message if limit is exceeded.
 759
 760 2018-03-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 761
 762         * check.c (gfc_check_kill_sub):  Remove check for INTEGER(4) or (8).
 763         * intrinsic.c (add_functions): Remove reference to gfc_resolve_kill.
 764         (add_subroutines): Remove reference to gfc_resolve_kill_sub.
 765         * intrinsic.texi: Update documentation.
 766         * iresolve.c (gfc_resolve_kill, gfc_resolve_kill_sub): Remove.
 767         * trans-decl.c (gfc_build_intrinsic_function_decls):  Add
 768         gfor_fndecl_kill and gfor_fndecl_kill_sub
 769         * trans-intrinsic.c (conv_intrinsic_kill, conv_intrinsic_kill_sub): new
 770         functions.
 771         (gfc_conv_intrinsic_function): Use conv_intrinsic_kill.
 772         (gfc_conv_intrinsic_subroutine): Use conv_intrinsic_kill_sub.
 773         * trans.h: Declare gfor_fndecl_kill and gfor_fndecl_kill_sub.
 774
 775 2018-03-11  Paul Thomas  <pault@gcc.gnu.org>
 776
 777         PR fortran/84546
 778         * trans-array.c (structure_alloc_comps): Make sure that the
 779         vptr is copied and that the unlimited polymorphic _len is used
 780         to compute the size to be allocated.
 781         * trans-expr.c (gfc_get_class_array_ref): If unlimited, use the
 782         unlimited polymorphic _len for the offset to the element.
 783         (gfc_copy_class_to_class): Set the new 'unlimited' argument.
 784         * trans.h : Add the boolean 'unlimited' to the prototype.
 785
 786 2018-03-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 787
 788         PR fortran/83939
 789         * resolve.c (resolve_fl_procedure): Enforce F2018:C15100.
 790
 791 2018-03-11  Steven G. Kargl  <kargls@gcc.gnu.org>
 792
 793         * check.c (gfc_check_kill):  Check pid and sig are scalar.
 794         (gfc_check_kill_sub): Restrict kind to 4 and 8.
 795         * intrinsic.c (add_function): Sort keyword list.  Add pid and sig
 796         keywords for KILL.  Remove redundant *back="back" in favor of the
 797         original *bck="back".
 798         (add_subroutines): Sort keyword list.  Add pid and sig keywords
 799         for KILL.
 800         * intrinsic.texi: Fix documentation to consistently use pid and sig.
 801         * iresolve.c (gfc_resolve_kill): Kind can only be 4 or 8.  Choose the
 802         correct function.
 803         (gfc_resolve_rename_sub): Add comment.
 804
 805 2018-03-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
 806
 807         PR fortran/66128
 808         * simplify.c (simplify_transformation): Return default result for
 809         empty array argument.
 810         (gfc_simplify_all): Remove special-case handling for zerosize.
 811         (gfc_simplify_any): Likewise.
 812         (gfc_simplify_count): Likewise.
 813         (gfc_simplify_iall): Likewise.
 814         (gfc_simplify_iany): Likewise.
 815         (gfc_simplify_iparity): Likewise.
 816         (gfc_simplify_minval): Likewise.
 817         (gfc_simplify_maxval): Likewise.
 818         (gfc_simplify_norm2): Likewise.
 819         (gfc_simplify_product): Likewise.
 820         (gfc_simplify_sum): Likewise.
 821
 822 2018-03-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 823
 824         PR fortran/84734
 825         * arith.c (check_result, eval_intrinsic):  If result overflows, pass
 826         the expression up the chain instead of a NULL pointer.
 827
 828 2018-03-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 829
 830         PR fortran/64124
 831         PR fortran/70409
 832         * decl.c (gfc_match_char_spec): Try to reduce a charlen to a constant.
 833
 834 2017-03-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 835
 836         PR fortran/84697
 837         PR fortran/66128
 838         * expr.c (simplify_parameter_variable): If p is a size zero array
 839         and not an ARRAY_EXPR insert an empty array constructor and
 840         return.
 841         * gfortran.h: Add prototype for gfc_is_size_zero_array.
 842         * simplify.c (is_size_zero_array): Make non-static and rename into
 843         (gfc_is_size_zero_array):  Check for parameter arrays of zero
 844         size by comparing shape and absence of constructor.
 845         (gfc_simplify_all): Use gfc_is_size_zero_array instead of
 846         is_size_zero_array.
 847         (gfc_simplify_count): Likewise.
 848         (gfc_simplify_iall): Likewise.
 849         (gfc_simplify_iany): Likewise.
 850         (gfc_simplify_iparity): Likewise.
 851         (gfc_simplify_minval): Likewise.
 852         (gfc_simplify_maxval): Likewise.
 853         (gfc_simplify_product): Likewise.
 854         (gfc_simplify_sum): Likewise.
 855
 856 2018-03-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 857
 858         PR fortran/56667
 859         * primary.c (match_sym_complex_part): Give the matcher for an implied
 860         do-loop a chance to run.
 861
 862 2018-03-03  Harald Anlauf  <anlauf@gmx.de>
 863
 864         PR fortran/71085
 865         * trans-expr.c (gfc_apply_interface_mapping_to_expr): Do not
 866         dereference NULL pointer.
 867
 868 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
 869
 870         PR fortran/66128
 871         * simplify.c (is_size_zero_array): New function to check for size
 872         zero array.
 873         (gfc_simplify_all, gfc_simplify_any, gfc_simplify_count,
 874          gfc_simplify_iall, gfc_simplify_iany, gfc_simplify_iparity,
 875          gfc_simplify_minval, gfc_simplify_maxval, gfc_simplify_norm2,
 876          gfc_simplify_product, gfc_simplify_sum): Use it, and implement
 877         requirements from F2018.
 878
 879 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
 880
 881         PR fortran/51434
 882         * simplify.c (gfc_simplify_transfer): Resolve mold.
 883
 884 2018-03-03  Paul Thomas  <pault@gcc.gnu.org>
 885
 886         PR fortran/80965
 887         * resolve.c (build_loc_call): Change symtree name from 'loc' to
 888         '_loc'.
 889
 890 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
 891
 892         PR fortran/84219
 893         * target-memory.c (gfc_interpret_derived): Assert that BT_VOID
 894         components are caf tokens.
 895         (gfc_target_interpret_expr): Treat BT_VOID expressions as
 896         integers.
 897
 898 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
 899
 900         PR fortran/84538
 901         * class.c (class_array_ref_detected): Remove the condition that
 902         there be no reference after the array reference.
 903         (find_intrinsic_vtab): Remove excess whitespace.
 904         * trans-array.c (gfc_conv_scalarized_array_ref): Rename 'tmp'
 905         as 'base and call build_class_array_ref earlier.
 906
 907 2018-02-28  Paul Thomas  <pault@gcc.gnu.org>
 908
 909         PR fortran/83901
 910         * trans-stmt.c (trans_associate_var): Make sure that the se
 911         expression is a pointer type before converting it to the symbol
 912         backend_decl type.
 913
 914 2018-02-25  Steven G. Kargl  <kargl@gcc.gnu.org>
 915
 916         PR fortran/83633
 917         * decl.c (variable_decl): Check that an explicit-shape-array with
 918         nonconstant bounds is allowed.
 919
 920 2018-02-25  Paul Thomas  <pault@gcc.gnu.org>
 921
 922         PR fortran/84523
 923         * trans-intrinsic.c (gfc_conv_allocated): If the argument se
 924         has a pre block, add it to the expression pre block.
 925
 926 2018-02-25  Thomas Koenig  <tkoenig@gcc.gnu.org>
 927
 928         PR fortran/78238
 929         * gfortran.h (gfc_integer_4_kind): Define.
 930         * resolve.c (resolve_select_type): Make sure that the
 931         kind of c->high is gfc_integer_4_kind.
 932
 933 2018-02-24  Steven G. Kargl <kargl@gcc.gnu.org>
 934
 935         PR fortran/30792
 936         * decl.c (gfc_match_data): Check for invalid substring in
 937         data-implied-do
 938
 939 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
 940
 941         * intrinsic.texi: Arguments to MATMUL cannot both be rank one.
 942
 943 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
 944
 945         PR fortran/84511
 946         * trans-io.c (transfer_expr): Deal with C_LOC in transfer statement.
 947
 948 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
 949
 950         PR fortran/84346
 951         * interface.c (compare_actual_formal): Issue error if keyword is
 952         used in a statement function.
 953
 954 2018-02-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 955
 956         PR fortran/84506
 957         * trans-io.c (set_parameter_value_inquire): Adjust range check of
 958         negative unit values for kind=8 units to the kind=4 negative limit.
 959
 960 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
 961
 962         PR fortran/83149
 963         * trans-types.c (gfc_sym_type): Test sym->ns->proc_name before
 964         accessing its components.
 965
 966 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
 967
 968         PR fortran/83149
 969         * trans-decl.c (gfc_finish_var_decl): Test sym->ns->proc_name
 970         before accessing its components.
 971
 972 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
 973
 974         PR fortran/83148
 975         * trans-const.c : Clean up some whitespace issues.
 976         * trans-expr.c (gfc_conv_initializer): If an iso_c_binding
 977         derived type has a kind value of zero, set it to the default
 978         integer kind.
 979
 980 2018-02-23  Janne Blomqvist  <jb@gcc.gnu.org>
 981
 982         PR fortran/84519
 983         * trans-decl.c (gfc_build_builtin_function_decls): Add bool
 984         argument to stop and error stop decls.
 985         * trans-stmt.c (gfc_trans_stop): Add false value to argument
 986         lists.
 987
 988 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
 989
 990         PR 78534
 991         PR 84509
 992         * trans-decl.c (gfc_build_builtin_function_decls): Pass
 993         gfc_int8_type node to pause_numeric, size_type_node to
 994         pause_string.
 995         * trans-stmt.c (gfc_trans_pause): Likewise.
 996
 997 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
 998
 999         * gfortran.texi: Update Coarray API description.
1000         * trans-decl.c (gfc_build_builtin_function_decls): Use size_t for
1001         character lengths, int for exit codes.
1002         (generate_coarray_sym_init): Use size_t for character length.
1003         * trans-intrinsic.c (conv_co_collective): Likewise.
1004         * trans-stmt.c (gfc_trans_lock_unlock): Likewise.
1005         (gfc_trans_event_post_wait): Likewise.
1006         (gfc_trans_sync): Likewise.
1007         (gfc_trans_stop): Use size_t for character lengths, int for exit
1008         codes.
1009
1010 2018-02-20  Thomas Koenig  <tkoenig@gcc.gnu.org>
1011
1012         PR fortran/48890
1013         PR fortran/83823
1014         * primary.c (gfc_convert_to_structure_constructor):
1015         For a constant string constructor, make sure the length
1016         is correct.
1017
1018 2018-02-19  Paul Thomas  <pault@gcc.gnu.org>
1019
1020         PR fortran/83344
1021         PR fortran/83975
1022         * resolve.c (resolve_assoc_var): Rearrange the logic for the
1023         determination of the character length of associate names. If
1024         the associate name is missing a length expression or the length
1025         expression is not a constant and the target is not a variable,
1026         make the associate name allocatable and deferred length.
1027         * trans-decl.c (gfc_get_symbol_decl): Null the character length
1028         backend_decl for deferred length associate names that are not
1029         variables. Set 'length' to gfc_index_zero_node for character
1030         associate names, whose character length is a PARM_DECL.
1031
1032 2018-02-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
1033
1034         PR fortran/35339
1035         * frontend-passes.c (traverse_io_block): Remove workaround for
1036         PR 80945.
1037
1038 2018-02-19  Andre Vehreschild  <vehre@gcc.gnu.org>
1039
1040         * gfortran.texi: Document additional src/dst_type.  Fix some typos.
1041         * trans-decl.c (gfc_build_builtin_function_decls): Declare the new
1042         argument of _caf_*_by_ref () with * e { get, send, sendget }.
1043         * trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Add the type of the
1044         data referenced when generating a call to caf_get_by_ref ().
1045         (conv_caf_send): Same but for caf_send_by_ref () and
1046         caf_sendget_by_ref ().
1047
1048 2018-02-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1049
1050         PR fortran/84389
1051         * io.c (check_format): Allow FMT_COLON.
1052
1053 2018-02-18  Paul Thomas  <pault@gcc.gnu.org>
1054
1055         PR fortran/80945
1056         * trans-array.c (gfc_conv_expr_descriptor): Set parmtype from
1057         the typenode in the case of deferred length characters.
1058
1059 2018-02-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
1060
1061         PR fortran/84270
1062         * frontend-passes (scalarized_expr):  If the expression
1063         is an assumed size array, leave in the last reference
1064         and pass AR_SECTION instead of AR_FULL to gfc_resolve
1065         in order to avoid an error.
1066
1067 2018-02-17  Paul Thomas  <pault@gcc.gnu.org>
1068
1069         PR fortran/84115
1070         * resolve.c (resolve_assoc_var): If a non-constant target expr.
1071         has no string length expression, make the associate variable
1072         into a deferred length, allocatable symbol.
1073         * trans-decl.c (gfc_is_reallocatable_lhs): Add and use a ptr to
1074         the symbol.
1075         * trans-stmt.c (trans_associate_var): Null and free scalar
1076         associate names that are allocatable. After assignment, remove
1077         the allocatable attribute to prevent reallocation.
1078
1079 2018-02-16  Jakub Jelinek  <jakub@redhat.com>
1080
1081         PR fortran/84418
1082         * trans-openmp.c (gfc_trans_omp_clauses): For OMP_CLAUSE_LINEAR_REF
1083         kind set OMP_CLAUSE_LINEAR_STEP to TYPE_SIZE_UNIT times last_step.
1084
1085 2018-02-16  Dominique d'Humieres  <dominiq@gcc.gnu.org>
1086
1087         PR fortran/84354
1088         * decl.c (gfc_get_pdt_instance): Replace '%qs' with %qs.
1089
1090 2018-02-15  Janus Weil  <janus@gcc.gnu.org>
1091
1092         PR fortran/84409
1093         * interface.c (check_dtio_arg_TKR_intent): Add a check for character
1094         length.
1095
1096 2018-02-14  Janus Weil  <janus@gcc.gnu.org>
1097
1098         PR fortran/84385
1099         * match.c (gfc_match_select_type): Fix check for selector in
1100         SELECT TYPE statement.
1101
1102 2018-02-13  Janus Weil  <janus@gcc.gnu.org>
1103
1104         PR fortran/84313
1105         * symbol.c (check_conflict): Reject procedure pointers in common blocks.
1106
1107 2018-02-13  Alastair McKinstry  <alastair.mckinstry@sceal.ie>
1108             Janne Blomqvist  <jb@gcc.gnu.org>
1109
1110         * module.c (dump_module): Use lbasename to ensure that module
1111         files are reproducible.
1112
1113 2018-02-12  Janus Weil  <janus@gcc.gnu.org>
1114
1115         PR fortran/84273
1116         * resolve.c (resolve_component): Fix checks of passed argument in
1117         procedure-pointer components.
1118
1119 2018-02-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1120
1121         PR fortran/35299
1122         * resolve.c (resolve_formal_arglist): Update error message.
1123
1124 2018-02-11  Andre Vehreschild  <vehre@gcc.gnu.org>
1125
1126         * gfortran.texi: Fix typos in documentation of caf_register ().
1127         * trans-array.c (structure_alloc_comps): Only register a component of
1128         a derived typed corray, not of an ultimate component coarray.
1129
1130 2018-02-11  Steven G. Kargl  <kargl@gcc.gnu.org>
1131
1132         PR fortran/54223
1133         PR fortran/84276
1134         * interface.c (compare_actual_formal): Add in_statement_function
1135         bool parameter.  Skip check of INTENT attribute for statement
1136         functions.  Arguments to a statement function cannot be optional,
1137         issue error for missing argument.
1138         (gfc_procedure_use, gfc_ppc_use, gfc_arglist_matches_symbol): Use
1139          in_statement_function.
1140
1141 2018-02-11  Paul Thomas  <pault@gcc.gnu.org>
1142
1143         PR fortran/84074
1144         * trans-expr.c (gfc_conv_derived_to_class): Set the use_offset
1145         flag. If the is a vector subscript or the expression is not a
1146         variable, make the descriptor one-based.
1147
1148 2018-02-10  Paul Thomas  <pault@gcc.gnu.org>
1149
1150         PR fortran/84141
1151         PR fortran/84155
1152         * trans-array.c (gfc_array_init_size): Revert the change made
1153         in revision 257356 setting the dtype.
1154         * trans-types.c (gfc_get_dtype): Do not use the cached dtype.
1155         Call gfc_get_dtype_rank_type every time.
1156
1157         PR fortran/56691
1158         * trans-array.c (gfc_conv_expr_descriptor): If the source array
1159         is a descriptor type, use its offset, removing the condition
1160         that is be a class expression.
1161
1162 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1163
1164         PR fortran/82994
1165         * match.c (gfc_match_deallocate): Check for NULL pointer.
1166
1167 2018-02-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
1168
1169         PR fortran/68560
1170         * trans-intrinsic.c (gfc_conv_intrinsic_shape): New function.
1171         (gfc_conv_intrinsic_function): Call it.
1172
1173 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1174
1175         PR fortran/82049
1176         * match.c (gfc_match_type_spec): If the charlen is non-NULL, then
1177         try to resolve it.  While here return early if possible.
1178
1179 2018-02-04  Paul Thomas  <pault@gcc.gnu.org>
1180
1181         PR fortran/84115
1182         * trans-decl.c (gfc_get_symbol_decl): Do not finish the decl of
1183         'length' if the symbol charlen backend_decl is an indirect ref.
1184
1185 2018-02-03  Paul Thomas  <pault@gcc.gnu.org>
1186
1187         PR fortran/84141
1188         PR fortran/84155
1189         * trans-array.c (gfc_array_init_size): Instead of gfc_get_dtype
1190         use gfc_get_dtype_rank_type.
1191
1192 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
1193
1194         PR 83975
1195         PR 83344
1196         * resolve.c (resolve_assoc_var): Generate an error if
1197         target length unknown.
1198
1199 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
1200
1201         PR fortran/83705
1202         * simplify.c (gfc_simplify_repeat): Increase limit for deferring
1203         to runtime, print a warning message.
1204
1205 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
1206
1207         PR fortran/84116
1208         * openmp.c (gfc_match_omp_clauses): If all the linear
1209         gfc_match_omp_variable_list calls failed, don't gfc_free_omp_namelist
1210         nor set *head = NULL.  Formatting fixes.
1211
1212 2018-01-31  Paul Thomas  <pault@gcc.gnu.org>
1213
1214         PR fortran/84088
1215         * trans-expr.c (gfc_conv_procedure_call): If the parm expr is
1216         an address expression passed to an assumed rank dummy, convert
1217         to an indirect reference.
1218
1219 2018-01-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
1220
1221         * dump-parse-tree.c (write_proc): Use sym_name (which may
1222         be sym->binding_label) instead of sym->name.
1223
1224 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
1225
1226         * trans-const.c (gfc_conv_string_init): Use gfc_charlen_t instead
1227         of int for slen.
1228
1229 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
1230
1231         PR fortran/78534
1232         * trans-expr.c (fill_with_spaces): Use memset instead of
1233         generating loop.
1234         (gfc_trans_string_copy): Improve opportunity to use builtins with
1235         constant lengths.
1236
1237 2018-01-30  Jakub Jelinek  <jakub@redhat.com>
1238
1239         PR debug/84131
1240         * trans-array.c (gfc_get_descriptor_offsets_for_info): Set *data_off
1241         to DATA_FIELD's offset rather than OFFSET_FIELD's offset.
1242
1243 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1244
1245         PR fortran/84134
1246         * array.c (gfc_ref_dimen_size): Whitespace fixes.  If stride is
1247         zero, return false.
1248
1249 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1250
1251         PR fortran/84133
1252         * frontend-passes (matmul_to_var_expr): Return early if
1253         in association list.
1254         (inline_matmul_assign): Likewise.
1255
1256 2017-01-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
1257
1258         PR fortran/84073
1259         * resolve.c (resolve_component): Ensure BIND(C) character
1260         components have length one.
1261         (resolve_symbol): Likewise for variables.
1262
1263 2018-01-27  Jakub Jelinek  <jakub@redhat.com>
1264
1265         PR fortran/84065
1266         * decl.c (add_init_expr_to_sym): Ignore initializers for too large
1267         lengths.
1268
1269 2018-01-26  Damian Rouson  <damian@sourceryinstitute.org>
1270             Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
1271             Soren Rasmussen  <s.c.rasmussen@gmail.com>
1272
1273         Partial support for Fortran 2018 teams features.
1274
1275         * array.c (gfc_match_array_ref): add team attribute in coarray
1276         transfers.
1277         * check.c (gfc_check_get_team, gfc_check_team_number): add new
1278         functions for get_team and team_number.
1279         * dump-parse-tree.c (show_code_node): add new statements: form team,
1280         change team, end team, and sync team.
1281         * expr.c (gfc_find_team_co): add new function.
1282         * gfortran.h: add new statements.
1283         * intrinsic.c (add_functions): add get_team and team_number functions.
1284         * intrinsic.h: add get_team and team_number prototypes for check,
1285         simplify, and resolve.
1286         * iresolve.c (gfc_resolve_get_team, gfc_resolve_team_number): add new
1287         functions.
1288         * iso-fortran-env.def: add the team_type derived type.
1289         * match.c (gfc_match_if, gfc_match_form_team, gfc_match_team_number)
1290         (gfc_match_end_team, gfc_match_sync_team, gfc_match_change_team):
1291         add change team, end team, form team, sync team match and functions.
1292         * match.h: add new prototypes for change team, end team, form team,
1293         and sync team.
1294         * parse.c (decode_statement): add cases for change team, end team,
1295         form team, and sync team.
1296         * resolve.c: add cases for exec form team, change team, end team, and
1297         sync team.
1298         * simplify.c (gfc_simplify_get_team): add new function for get team.
1299         * st.c (gfc_free_statement): add cases exec for change team, end team,
1300         form team, sync team.
1301         * trans-decl.c (gfor_fndecl_caf_form_team)
1302         (gfor_fndecl_caf_change_team, gfor_fndecl_caf_end_team)
1303         (gfor_fndecl_caf_sync_team, gfor_fndecl_caf_get_team)
1304         (gfor_fndecl_caf_team_number): add functions and definitions.
1305         * trans-intrinsic.c (conv_caf_send, conv_intrinsic_team_number): add
1306         new function and team_type argument support.
1307         * trans-stmt.c (gfc_trans_form_team, gfc_trans_change_team)
1308         (gfc_trans_end_team, gfc_trans_sync_team): add new functions.
1309         * trans-stmt.h: add new prototypes.
1310         * trans-types.c (gfc_get_derived_type): check condition for team_type.
1311         * trans.c (trans_code): new exec cases for form team, change team, end
1312         team, and sync team.
1313         * trans.h: add new prototypes.
1314
1315 2018-01-26  Steven G. Kargl  <kargl@gcc.gnu.org>
1316
1317         PR fortran/83998
1318         * simplify.c (compute_dot_product):  Initialize result to INTEGER(1) 0
1319         or .false.  The summation does the correct type conversion.
1320         (gfc_simplify_dot_product): Special case zero-sized arrays.
1321
1322 2018-25-01  Paul Thomas  <pault@gcc.gnu.org>
1323
1324         PR fortran/37577
1325         * array.c (gfc_match_array_ref): If standard earlier than F2008
1326         it is an error if the reference dimension is greater than 7.
1327         libgfortran.h : Increase GFC_MAX_DIMENSIONS to 15. Change the
1328         dtype masks and shifts accordingly.
1329         * trans-array.c (gfc_conv_descriptor_dtype): Use the dtype
1330         type node to check the field.
1331         (gfc_conv_descriptor_dtype): Access the rank field of dtype.
1332         (duplicate_allocatable_coarray): Access the rank field of the
1333         dtype descriptor rather than the dtype itself.
1334         * trans-expr.c (get_scalar_to_descriptor_type): Store the type
1335         of 'scalar' on entry and use its TREE_TYPE if it is ARRAY_TYPE
1336         (ie. a character).
1337         (gfc_conv_procedure_call): Pass TREE_OPERAND (tmp,0) to
1338         get_scalar_to_descriptor_type if the actual expression is a
1339         constant.
1340         (gfc_trans_structure_assign): Assign the rank directly to the
1341         dtype rank field.
1342         * trans-intrinsic.c (gfc_conv_intrinsic_rank): Cast the result
1343         to default integer kind.
1344         (gfc_conv_intrinsic_sizeof): Obtain the element size from the
1345         'elem_len' field of the dtype.
1346         * trans-io.c (gfc_build_io_library_fndecls): Replace
1347         gfc_int4_type_node with dtype_type_node where necessary.
1348         (transfer_namelist_element): Use gfc_get_dtype_rank_type for
1349         scalars.
1350         * trans-types.c : Provide 'get_dtype_type_node' to acces the
1351         dtype_type_node and, if necessary, build it.
1352         The maximum size of an array element is now determined by the
1353         maximum value of size_t.
1354         Update the description of the array descriptor, including the
1355         type def for the dtype_type.
1356         (gfc_get_dtype_rank_type): Build a constructor for the dtype.
1357         Distinguish RECORD_TYPEs that are BT_DERIVED or BT_CLASS.
1358         (gfc_get_array_descriptor_base): Change the type of the dtype
1359         field to dtype_type_node.
1360         (gfc_get_array_descr_info): Get the offset to the rank field of
1361         the dtype.
1362         * trans-types.h : Add a prototype for 'get_dtype_type_node ()'.
1363         * trans.h : Define the indices of the dtype fields.
1364
1365 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1366
1367         PR fortran/83866
1368         * decl.c (gfc_match_derived_decl): If eos not matched, recover
1369         and emit error about garbage after declaration.
1370
1371 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1372
1373         PR fortran/83898
1374         * trans-stmt.c (trans_associate_var): Do not set cst_array_ctor
1375         for characters.
1376
1377 2018-01-22  Janne Blomqvist  <jb@gcc.gnu.org>
1378
1379         PR 78534
1380         PR 83704
1381         * arith.c (gfc_arith_concat): Use size_t for string length.
1382         (gfc_compare_string): Likewise.
1383         (gfc_compare_with_Cstring): Likewise.
1384         * array.c (gfc_resolve_character_array_constructor): Use
1385         HOST_WIDE_INT, gfc_mpz_get_hwi.
1386         * check.c (gfc_check_fe_runtime_error): Use size_t.
1387         * data.c (create_character_initializer): Use HOST_WIDE_INT,
1388         gfc_extract_hwi.
1389         * decl.c (gfc_set_constant_character_len): Use gfc_charlen_t.
1390         (add_init_expr_to_sym): Use HOST_WIDE_INT.
1391         * expr.c (gfc_build_init_expr): Use HOST_WIDE_INT,
1392         gfc_extract_hwi.
1393         (gfc_apply_init): Likewise.
1394         * match.h (gfc_set_constant_character_len): Update prototype.
1395         * primary.c (match_string_constant): Use size_t.
1396         * resolve.c (resolve_ordinary_assign): Use HOST_WIDE_INT,
1397         gfc_mpz_get_hwi.
1398         * simplify.c (init_result_expr): Likewise.
1399         (gfc_simplify_len_trim): Use size_t.
1400         * target-memory.c (gfc_encode_character): Use size_t.
1401         (gfc_target_encode_expr): Use HOST_WIDE_INT, gfc_mpz_get_hwi.
1402         (interpret_array): Use size_t.
1403         (gfc_interpret_character): Likewise.
1404         * target-memory.h (gfc_encode_character): Update prototype.
1405         (gfc_interpret_character): Likewise.
1406         (gfc_target_interpret_expr): Likewise.
1407         * trans-const.c (gfc_build_string_const): Use size_t for length
1408         argument.
1409         (gfc_build_wide_string_const): Likewise.
1410         * trans-const.h (gfc_build_string_const): Likewise.
1411         (gfc_build_wide_string_const): Likewise.
1412
1413 2018-01-20  Steven G. Kargl  <kargl@gcc.gnu.org>
1414
1415         PR fortran/83900
1416     * simplify.c (gfc_simplify_matmul): Set return type correctly.
1417
1418 2018-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>
1419
1420         PR fortran/83900
1421         * simplify.c (gfc_simplify_matmul): Delete bogus assertion.
1422
1423 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1424
1425         PR fortran/83864
1426         * expr.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1427
1428 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1429
1430         PR fortran/83874
1431         * decl.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1432
1433 2018-01-15  Louis Krupp  <louis.krupp@zoho.com>
1434
1435         PR fortran/82257
1436         * interface.c (compare_rank): Don't try to retrieve CLASS_DATA
1437         from symbol marked unlimited polymorphic.
1438         * resolve.c (resolve_structure_cons): Likewise.
1439         * misc.c (gfc_typename): Don't dereference derived->components
1440         if it's NULL.
1441
1442 2018-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
1443
1444         PR fortran/54613
1445         * gfortran.h (gfc_check_f): Rename f4ml to f5ml.
1446         (gfc_logical_4_kind): New macro
1447         * intrinsic.h (gfc_simplify_minloc): Add a gfc_expr *argument.
1448         (gfc_simplify_maxloc): Likewise.
1449         (gfc_resolve_maxloc): Likewise.
1450         (gfc_resolve_minloc): Likewise.
1451         * check.c (gfc_check_minloc_maxloc): Add checking for "back"
1452         argument; also raise error if it is used (for now). Add it
1453         if it isn't present.
1454         * intrinsic.c (add_sym_4ml): Rename to
1455         (add_sym_5ml), adjust for extra argument.
1456         (add_functions): Add "back" constant. Adjust maxloc and minloc
1457         for back argument.
1458         * iresolve.c (gfc_resolve_maxloc): Add back argument. If back is
1459         not of gfc_logical_4_kind, convert.
1460         (gfc_resolve_minloc): Likewise.
1461         * simplify.c (gfc_simplify_minloc): Add back argument.
1462         (gfc_simplify_maxloc): Likewise.
1463         * trans-intinsic.c (gfc_conv_intrinsic_minmaxloc): Rename last
1464         argument to %VAL to ensure passing by value.
1465         (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_minmaxloc
1466         also for library calls.
1467
1468 2018-01-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1469
1470         PR fortran/82007
1471         * resolve.c (resolve_transfer): Delete code looking for 'DT'
1472         format specifiers in format strings. Set formatted to true if a
1473         format string or format label is present.
1474         * trans-io.c (get_dtio_proc): Likewise. (transfer_expr): Fix
1475         whitespace.
1476
1477 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1478
1479         PR fortran/83744
1480         * dump-parse-tree.c (get_c_type_name): Remove extra line.
1481         Change for loop to use declaration in for loop. Handle BT_LOGICAL
1482         and BT_CHARACTER.
1483         (write_decl): Add where argument. Fix indentation. Replace
1484         assert with error message. Add typename to warning
1485         in comment.
1486         (write_type): Adjust locus to call of write_decl.
1487         (write_variable): Likewise.
1488         (write_proc): Likewise. Replace assert with error message.
1489
1490 2018-01-13  Paul Thomas  <pault@gcc.gnu.org>
1491
1492         PR fortran/52162
1493         * trans-expr.c (gfc_trans_scalar_assign): Flag is_alloc_lhs if
1494         the rhs expression is neither an elemental nor a conversion
1495         function.
1496
1497         PR fortran/83622
1498         * trans-array.c (is_pointer_array): Remove unconditional return
1499         of false for -fopenmp.
1500
1501 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1502         <emsr@gcc.gnu.org>
1503
1504         PR fortran/83803
1505         * dump-parse-tree.c (write_proc): Always emit closing parenthesis
1506         for functions.
1507
1508 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1509
1510         PR fortran/82367
1511         * resolve.c (resolve_allocate_expr): Check for NULL pointer.
1512
1513 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1514
1515         PR fortran/83093
1516         * resolve.c (resolve_charlen): Check the type of cl->length
1517         after resolution.
1518
1519 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1520
1521         PR fortran/83740
1522         * trans-array.c (gfc_trans_array_ctor_element): Fix formatting.
1523
1524 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1525
1526         PR fortran/83740
1527         * trans-array.c (gfc_trans_array_ctor_element): Convert RHS to the
1528         LHS type when assigning.
1529
1530 2018-01-09  Steven G. Kargl  <kargl@gcc.gnu.org>
1531
1532         PR fortran/83742
1533         * expr.c (gfc_is_simply_contiguous): Check for NULL pointer.
1534
1535 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1536
1537         * match.c (gfc_match_allocate): Check for NULL pointer.
1538
1539 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1540
1541         * expr.c (gfc_check_pointer_assign): Fix typo in comment.
1542
1543 2018-01-08  Paul Thomas  <pault@gcc.gnu.org>
1544
1545         PR fortran/83611
1546         * decl.c (gfc_get_pdt_instance): If parameterized arrays have
1547         an initializer, convert the kind parameters and add to the
1548         component if the instance.
1549         * trans-array.c (structure_alloc_comps): Add 'is_pdt_type' and
1550         use it with case COPY_ALLOC_COMP. Call 'duplicate_allocatable'
1551         for parameterized arrays. Clean up typos in comments. Convert
1552         parameterized array initializers and copy into the array.
1553         * trans-expr.c (gfc_trans_scalar_assign): Do a deep copy for
1554         parameterized types.
1555         *trans-stmt.c (trans_associate_var): Deallocate associate vars
1556         as necessary, when they are PDT function results for example.
1557
1558         PR fortran/83731
1559         * trans-array.c (structure_alloc_comps): Only compare len parms
1560         when they are declared explicitly.
1561
1562 2018-01-06  Janne Blomqvist  <jb@gcc.gnu.org>
1563
1564         PR fortran/50892
1565         * trans-expr.c (gfc_trans_pointer_assignment): fold_convert rhs to
1566         lhs type.
1567
1568 2018-01-05  Janne Blomqvist  <jb@gcc.gnu.org>
1569
1570         PR fortran/78534
1571         PR fortran/66310
1572         * array.c (got_charlen): Use gfc_charlen_int_kind.
1573         * class.c (gfc_find_derived_vtab): Use gfc_size_kind instead of
1574         hardcoded kind.
1575         (find_intrinsic_vtab): Likewise.
1576         * decl.c (match_char_length): Use gfc_charlen_int_kind.
1577         (add_init_expr_to_sym): Use gfc_charlen_t and gfc_charlen_int_kind.
1578         (gfc_match_implicit): Use gfc_charlen_int_kind.
1579         * dump-parse-tree.c (show_char_const): Use gfc_charlen_t and size_t.
1580         (show_expr): Use HOST_WIDE_INT_PRINT_DEC.
1581         * expr.c (gfc_get_character_expr): Length parameter of type
1582         gfc_charlen_t.
1583         (gfc_get_int_expr): Value argument of type HOST_WIDE_INT.
1584         (gfc_extract_hwi): New function.
1585         (simplify_const_ref): Make string_len of type gfc_charlen_t.
1586         (gfc_simplify_expr): Use HOST_WIDE_INT for substring refs.
1587         * frontend-passes.c (optimize_trim): Use gfc_charlen_int_kind.
1588         * gfortran.h (gfc_mpz_get_hwi): New prototype.
1589         (gfc_mpz_set_hwi): Likewise.
1590         (gfc_charlen_t): New typedef.
1591         (gfc_expr): Use gfc_charlen_t for character lengths.
1592         (gfc_size_kind): New extern variable.
1593         (gfc_extract_hwi): New prototype.
1594         (gfc_get_character_expr): Use gfc_charlen_t for character length.
1595         (gfc_get_int_expr): Use HOST_WIDE_INT type for value argument.
1596         * gfortran.texi: Update description of hidden string length argument.
1597         * iresolve.c (check_charlen_present): Use gfc_charlen_int_kind.
1598         (gfc_resolve_char_achar): Likewise.
1599         (gfc_resolve_repeat): Pass string length directly without
1600         temporary, use gfc_charlen_int_kind.
1601         (gfc_resolve_transfer): Use gfc_charlen_int_kind.
1602         * match.c (select_intrinsic_set_tmp): Use HOST_WIDE_INT for charlen.
1603         * misc.c (gfc_mpz_get_hwi): New function.
1604         (gfc_mpz_set_hwi): New function.
1605         * module.c (atom_int): Change type from int to HOST_WIDE_INT.
1606         (parse_integer): Don't complain about large integers.
1607         (write_atom): Use HOST_WIDE_INT for integers.
1608         (mio_integer): Handle integer type mismatch.
1609         (mio_hwi): New function.
1610         (mio_intrinsic_op): Use HOST_WIDE_INT.
1611         (mio_array_ref): Likewise.
1612         (mio_expr): Likewise.
1613         * primary.c (match_substring): Use gfc_charlen_int_kind.
1614         * resolve.c (resolve_substring_charlen): Use gfc_charlen_int_kind.
1615         (resolve_character_operator): Likewise.
1616         (resolve_assoc_var): Likewise.
1617         (resolve_select_type): Use HOST_WIDE_INT for charlen, use snprintf.
1618         (resolve_charlen): Use mpz_sgn to determine sign.
1619         * simplify.c (gfc_simplify_repeat): Use HOST_WIDE_INT/gfc_charlen_t
1620         instead of long.
1621         * symbol.c (generate_isocbinding_symbol): Use gfc_charlen_int_kind.
1622         * target-memory.c (size_character): Length argument of type
1623         gfc_charlen_t.
1624         (gfc_encode_character): Likewise.
1625         (gfc_interpret_character): Use gfc_charlen_t.
1626         * target-memory.h (gfc_encode_character): Modify prototype.
1627         * trans-array.c (gfc_trans_array_ctor_element): Use existing type.
1628         (get_array_ctor_var_strlen): Use gfc_conv_mpz_to_tree_type.
1629         (trans_array_constructor): Use existing type.
1630         (get_array_charlen): Likewise.
1631         * trans-const.c (gfc_conv_mpz_to_tree_type): New function.
1632         * trans-const.h (gfc_conv_mpz_to_tree_type): New prototype.
1633         * trans-decl.c (gfc_trans_deferred_vars): Use existing type.
1634         (add_argument_checking): Likewise.
1635         * trans-expr.c (gfc_class_len_or_zero_get): Build const of type
1636         gfc_charlen_type_node.
1637         (gfc_conv_intrinsic_to_class): Use gfc_charlen_int_kind instead of
1638         4, fold_convert to correct type.
1639         (gfc_conv_class_to_class): Build const of type size_type_node for
1640         size.
1641         (gfc_copy_class_to_class): Likewise.
1642         (gfc_conv_string_length): Use same type in expression.
1643         (gfc_conv_substring): Likewise, use HOST_WIDE_INT for charlen.
1644         (gfc_conv_string_tmp): Make sure len is of the right type.
1645         (gfc_conv_concat_op): Use same type in expression.
1646         (gfc_conv_procedure_call): Likewise.
1647         (fill_with_spaces): Comment out memset() block due to spurious
1648         -Wstringop-overflow warnings.
1649         (gfc_trans_string_copy): Use gfc_charlen_type_node.
1650         (alloc_scalar_allocatable_for_subcomponent_assignment):
1651         fold_convert to right type.
1652         (gfc_trans_subcomponent_assign): Likewise.
1653         (trans_class_vptr_len_assignment): Build const of correct type.
1654         (gfc_trans_pointer_assignment): Likewise.
1655         (alloc_scalar_allocatable_for_assignment): fold_convert to right
1656         type in expr.
1657         (trans_class_assignment): Build const of correct type.
1658         * trans-intrinsic.c (gfc_conv_associated): Likewise.
1659         (gfc_conv_intrinsic_repeat): Do calculation in sizetype.
1660         * trans-io.c (gfc_build_io_library_fndecls): Use
1661         gfc_charlen_type_node for character lengths.
1662         (set_string): Convert to right type in assignment.
1663         * trans-stmt.c (gfc_trans_label_assign): Build const of
1664         gfc_charlen_type_node.
1665         (trans_associate_var): Likewise.
1666         (gfc_trans_character_select): Likewise.
1667         (gfc_trans_allocate): Likewise, don't typecast strlen result.
1668         (gfc_trans_deallocate): Don't typecast strlen result.
1669         * trans-types.c (gfc_size_kind): New variable.
1670         (gfc_init_types): Determine gfc_charlen_int_kind and gfc_size_kind
1671         from size_type_node.
1672         * trans-types.h: Fix comment.
1673
1674 2018-01-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
1675
1676         PR fortran/83683
1677         PR fortran/45689
1678         * check.c (gfc_check_eoshift): Check for string length and
1679         for conformance of boundary.
1680         * intrinsic.c (add_functions): Add gfc_simplify_eoshift.
1681         * intrinsic.h: Add prototype for gfc_simplify_eoshift.
1682         * simplify.c (gfc_simplify_eoshift): New function.
1683
1684 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1685             Alan Hayward  <alan.hayward@arm.com>
1686             David Sherwood  <david.sherwood@arm.com>
1687
1688         * trans-types.c (gfc_type_for_mode): Handle MODE_VECTOR_BOOL.
1689
1690 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1691             Alan Hayward  <alan.hayward@arm.com>
1692             David Sherwood  <david.sherwood@arm.com>
1693
1694         * trans-types.c (gfc_type_for_mode): Check valid_vector_subparts_p.
1695
1696 2018-01-03  Thomas Koenig  <tkoenig@gcc.gnu.org>
1697
1698         PR fortran/83664
1699         * check.c (gfc_check_eoshift): Error for missing boundary if array
1700         is not one of the standard types.
1701
1702 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1703
1704         Update copyright years.
1705
1706         * gfortranspec.c (lang_specific_driver): Update copyright notice
1707         dates.
1708         * gfc-internals.texi: Bump @copying's copyright year.
1709         * gfortran.texi: Ditto.
1710         * intrinsic.texi: Ditto.
1711         * invoke.texi: Ditto.
1712
1713 2017-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1714
1715         PR fortran/45689
1716         * intrinsic.c (add_function): Add gfc_simplify_maxloc and
1717         gfc_simplify_minloc to maxloc and minloc, respectively.
1718         * intrinsic.h: Add prototypes for gfc_simplify_minloc
1719         and gfc_simplify_maxloc.
1720         * simplify.c (min_max_chose): Adjust prototype.  Modify function
1721         to have a return value which indicates if the extremum was found.
1722         (is_constant_array_expr): Fix typo in comment.
1723         (simplify_minmaxloc_to_scalar): New function.
1724         (simplify_minmaxloc_nodim): New function.
1725         (new_array): New function.
1726         (simplify_minmaxloc_to_array): New function.
1727         (gfc_simplify_minmaxloc): New function.
1728         (simplify_minloc): New function.
1729         (simplify_maxloc): New function.
1730
1731 2018-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1732
1733         PR fortran/45689
1734         PR fortran/83650
1735         * simplify.c (gfc_simplify_cshift): Re-implement to allow full
1736         range of arguments.
1737
1738 2018-01-01  Paul Thomas  <pault@gcc.gnu.org>
1739
1740         PR fortran/83076
1741         * resolve.c (resolve_fl_derived0): Add caf_token fields for
1742         allocatable and pointer scalars, when -fcoarray selected.
1743         * trans-types.c (gfc_copy_dt_decls_ifequal): Copy the token
1744         field as well as the backend_decl.
1745         (gfc_get_derived_type): Flag GFC_FCOARRAY_LIB for module
1746         derived types that are not vtypes. Components with caf_token
1747         attribute are pvoid types. For a component requiring it, find
1748         the caf_token field and have the component token field point to
1749         its backend_decl.
1750
1751         PR fortran/83319
1752         *trans-types.c (gfc_get_array_descriptor_base): Add the token
1753         field to the descriptor even when codimen not set.
1754 \f
1755 Copyright (C) 2018 Free Software Foundation, Inc.
1756
1757 Copying and distribution of this file, with or without modification,
1758 are permitted in any medium without royalty provided the copyright
1759 notice and this notice are preserved.