gcc/fortran/ChangeLog

   1 2018-08-10  Janus Weil  <janus@gcc.gnu.org>
   2
   3         PR fortran/57160
   4         * invoke.texi (frontend-optimize): Mention short-circuiting.
   5         * options.c (gfc_post_options): Disable -ffrontend-optimize with -Og.
   6         * resolve.c (resolve_operator): Warn about short-circuiting only with
   7         -ffrontend-optimize.
   8         * trans-expr.c (gfc_conv_expr_op): Use short-circuiting operators only
   9         with -ffrontend-optimize. Without that flag, make sure that both
  10         operands are evaluated.
  11
  12 2018-08-08  Nathan Sidwell  <nathan@acm.org>
  13
  14         * cpp.c (cb_file_change): Use linemap_included_from.
  15
  16 2018-08-07  Cesar Philippidis  <cesar@codesourcery.com>
  17
  18         * trans-stmt.h: Remove stale reference to trans-openacc.c.
  19
  20 2018-08-04  Janus Weil  <janus@gcc.gnu.org>
  21
  22         PR fortran/45521
  23         * interface.c (gfc_compare_interfaces): Apply additional
  24         distinguishability criteria of F08 to operator interfaces.
  25
  26 2018-07-31  Andre Vieira  <andre.simoesdiasvieira@arm.com>
  27
  28         Revert 'AsyncI/O patch committed'
  29         2018-07-25  Nicolas Koenig  <koenigni@gcc.gnu.org>
  30                 Thomas Koenig <tkoenig@gcc.gnu.org>
  31
  32         PR fortran/25829
  33         * gfortran.texi: Add description of asynchronous I/O.
  34         * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
  35         as volatile.
  36         * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
  37         st_wait_async and change argument spec from ".X" to ".w".
  38         (gfc_trans_wait): Pass ID argument via reference.
  39
  40 2018-07-25  Nicolas Koenig  <koenigni@gcc.gnu.org>
  41         Thomas Koenig <tkoenig@gcc.gnu.org>
  42
  43         PR fortran/25829
  44         * gfortran.texi: Add description of asynchronous I/O.
  45         * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
  46         as volatile.
  47         * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
  48         st_wait_async and change argument spec from ".X" to ".w".
  49         (gfc_trans_wait): Pass ID argument via reference.
  50
  51 2018-07-20  Martin Sebor  <msebor@redhat.com>
  52
  53         PR middle-end/82063
  54         * gfortran.h (gfc_handle_option): Change function argument
  55         to HOST_WIDE_INT.
  56         * options.c (gfc_handle_option): Same.
  57
  58 2018-07-20  Andrew Benson  <abenson@carnegiescience.edu>
  59
  60         * gfortran.h (gfc_symbol): Add pointer to next derived type.
  61         (gfc_dt_list, gfc_get_dt_list): Remove.
  62         (gfc_namespace): Replace gfc_dt_list with gfc_symbol.
  63         * parse.c (resolve_all_program_units): Replace gfc_free_dt_list() with
  64         simple nullification of gfc_derived_types.
  65         * resolve.c (resolve_global_procedure): Replace gfc_dt_list with
  66         gfc_symbol.
  67         (add_dt_to_dt_list): Change derived type linked list insertion to
  68         utilize dt_next pointers in gfc_symbol.
  69         * symbol.c (gfc_new_symbol, gfc_free_dt_list, gfc_symbol_done2)
  70         (get_iso_c_binding_dt, generate_isocbinding_symbol): Remove
  71         gfc_free_dt_list as gfc_dt_list is obsoleted. Change derived type
  72         linked list search/insertion to utilize dt_next pointers in gfc_symbol.
  73         * trans-types.c (gfc_get_derived_type): Change derived type linked
  74         list search to utilize dt_next pointers in gfc_symbol.
  75
  76 2018-07-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
  77
  78         * trans-intrinsic.c: (gfc_conv_intrinsic_minmax): Emit MIN_MAX_EXPR
  79         or IFN_FMIN/FMAX sequence to calculate the min/max when possible.
  80
  81 2018-07-18  Janus Weil  <janus@gcc.gnu.org>
  82             Thomas Koenig  <tkoenig@gcc.gnu.org>
  83
  84         PR fortran/85599
  85         * dump-parse-tree.c (show_attr): Add handling of implicit_pure.
  86         * frontend-passes.c (do_warn_function_elimination): Do not warn for
  87         pure functions.
  88         * gfortran.h: Add prototypes for gfc_pure_function and
  89         gfc_implicit_pure_function.
  90         * gfortran.texi: Add chapter on evaluation of logical expressions.
  91         * invoke.texi: Mention that -Wfunction-elimination is implied
  92         by -Wextra.
  93         * lang.opt: Make -Wextra imply -Wfunction-elimination.
  94         * resolve.c (pure_function): Rename to gfc_pure_function.
  95         (gfc_implicit_pure_function): New function.
  96         (check_pure_function): Use it here.
  97         (impure_function_callback): New function.
  98         (resolve_operator): Call it via gfc_expr_walker.
  99
 100 2018-07-16  Fritz Reese  <fritzoreese@gmail.com>
 101
 102         PR fortran/83184
 103         * decl.c (match_old_style_init): Initialize locus of variable expr when
 104         creating a data variable.
 105         (match_clist_expr): Verify array is explicit shape/size before
 106         attempting to allocate constant array constructor.
 107
 108 2018-07-16  Fritz Reese  <fritzoreese@gmail.com>
 109
 110         PR fortran/86417
 111         * module.c (mio_component): Set component->loc when loading from module.
 112
 113 2018-07-10  Jakub Jelinek  <jakub@redhat.com>
 114
 115         PR fortran/86421
 116         * module.c (omp_declare_simd_clauses): Add LINEAR with _REF, _VAL and
 117         _UVAL suffixes.
 118         (mio_omp_declare_simd): Save and restore ref, val and uval modifiers
 119         on linear clauses.  Initialize n->where to gfc_current_locus.
 120
 121 2018-07-05  Paul Thomas  <pault@gcc.gnu.org>
 122
 123         PR fortran/86408
 124         * resolve.c.c (resolve_contained_fntype): Reference to C418 is
 125         in F2008 and not F2003.
 126         (resolve_function): Ditto in error message. Also, exclude
 127         deferred character length results from the error.
 128
 129 2018-07-05  Fritz Reese  <fritzoreese@gmail.com>
 130
 131         PR fortran/83183
 132         PR fortran/86325
 133         * expr.c (class_allocatable, class_pointer, comp_allocatable,
 134         comp_pointer): New helpers.
 135         (component_initializer): Generate EXPR_NULL for allocatable or pointer
 136         components. Do not generate initializers for components within BT_CLASS.
 137         Do not assign to comp->initializer.
 138         (gfc_generate_initializer): Use new helpers; move code to generate
 139         EXPR_NULL for class allocatable components into component_initializer().
 140
 141 2018-07-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 142
 143         PR fortran/82009
 144         * trans-decl.c (gfc_process_block_locals): Delete assert and set
 145         saved_local_decls = NULL_TREE.
 146
 147 2018-07-02  Richard Biener  <rguenther@suse.de>
 148
 149         PR lto/86321
 150         * trans-types.c (gfc_get_array_type_bounds): Unshare TYPE_FIELDs
 151         for the distinct type copy.
 152
 153 2018-07-02  Paul Thomas  <pault@gcc.gnu.org>
 154
 155         PR fortran/82969
 156         PR fortran/86242
 157         * trans-array.c (structure_alloc_comps): Do not explicitly copy
 158         procedure pointer components.
 159
 160 2018-07-02  Paul Thomas  <pault@gcc.gnu.org>
 161
 162         PR fortran/45305
 163         * expr.c : Add a prototype for scalarize_intrinsic_call.
 164         (gfc_simplify_expr): Use scalarize_intrinsic_call for elemental
 165         intrinsic function calls.
 166         (scalarize_intrinsic_call): Add 'init_flag' argument. Check if
 167         the expression or any of the actual argument expressions are
 168         NULL. Before calling gfc_check_init_expr, check 'init_flag'.
 169         Only simplify the scalarized expressions if there are no errors
 170         on the stack.
 171         (gfc_check_init_expr): Set 'init_flag' true in the call to
 172         scalarize_intrinsic_call.
 173
 174 2018-06-28  Fritz Reese  <fritzoreese@gmail.com>
 175
 176         PR fortran/82865
 177         * decl.c (gfc_match_type): Refactor and check for PDT declarations.
 178
 179 2018-06-28  Martin Liska  <mliska@suse.cz>
 180
 181         * gfortranspec.c: Include opt-suggestions.h.
 182
 183 2018-06-25  Fritz Reese  <fritzoreese@gmail.com>
 184
 185         PR fortran/82972
 186         PR fortran/83088
 187         PR fortran/85851
 188         * expr.c (component_initializer): Assign init expr to c->initializer.
 189         (generate_isocbinding_initializer): New.
 190         (gfc_generate_initializer): Call generate_isocbinding_initializer to
 191         generate initializers for c_ptr and c_funptr with -finit-derived.
 192
 193 2018-06-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 194
 195         PR fortran/85983
 196         * interface.c (check_dtio_interface1): Delete assert.
 197
 198 2018-06-22  Paul Thomas  <pault@gcc.gnu.org>
 199             Rainer Orth  <ro@gcc.gnu.org>
 200
 201         PR fortran/86281
 202         * resolve.c (resolve_contained_fntype): Check for the charlen
 203         before testing the length.
 204
 205 2018-06-21  Paul Thomas  <pault@gcc.gnu.org>
 206
 207         PR fortran/49630
 208         * resolve.c (resolve_contained_fntype): Change standard ref.
 209         from F95 to F2003: C418. Correct a spelling error in a comment.
 210         It is an error for an abstract interface to have an assumed
 211         character length result.
 212         * trans-expr.c (gfc_conv_procedure_call): Likewise change the
 213         standard reference.
 214
 215 2018-06-21  Paul Thomas  <pault@gcc.gnu.org>
 216
 217         PR fortran/83118
 218         * resolve.c (resolve_ordinary_assign): Force the creation of a
 219         vtable for assignment of non-polymorphic expressions to an
 220         unlimited polymorphic object.
 221         * trans-array.c (gfc_alloc_allocatable_for_assignment): Use the
 222         size of the rhs type for such assignments. Set the dtype, _len
 223         and vptrs appropriately.
 224         * trans-expr.c (gfc_trans_assignment): Force the use of the
 225         _copy function for these assignments.
 226
 227 2018-06-20  Chung-Lin Tang <cltang@codesourcery.com>
 228             Thomas Schwinge <thomas@codesourcery.com>
 229             Cesar Philippidis  <cesar@codesourcery.com>
 230
 231         * gfortran.h (gfc_omp_clauses): Add unsigned if_present, finalize
 232         bitfields.
 233         * openmp.c (enum omp_mask2): Remove OMP_CLAUSE_PRESENT_OR_*. Add
 234         OMP_CLAUSE_{IF_PRESENT,FINALIZE}.
 235         (gfc_match_omp_clauses): Update handling of copy, copyin, copyout,
 236         create, deviceptr, present_of_*. Add support for finalize and
 237         if_present.
 238         (OACC_PARALLEL_CLAUSES): Remove PRESENT_OR_* clauses.
 239         (OACC_KERNELS_CLAUSES): Likewise.
 240         (OACC_DATA_CLAUSES): Likewise.
 241         (OACC_DECLARE_CLAUSES): Likewise.
 242         (OACC_UPDATE_CLAUSES): Add IF_PRESENT clause.
 243         (OACC_ENTER_DATA_CLAUSES): Remove PRESENT_OR_* clauses.
 244         (OACC_EXIT_DATA_CLAUSES): Add FINALIZE clause.
 245         (gfc_match_oacc_declare): Update to OpenACC 2.5 semantics.
 246         * trans-openmp.c (gfc_trans_omp_clauses): Add support for IF_PRESENT
 247         and FINALIZE.
 248
 249 2018-06-18  Eric Botcazou  <ebotcazou@adacore.com>
 250
 251         * trans-decl.c (gfc_get_fake_result_decl): Revert latest change.
 252
 253 2018-06-17  Eric Botcazou  <ebotcazou@adacore.com>
 254
 255         * trans-decl.c (nonlocal_dummy_decl_pset): Delete.
 256         (nonlocal_dummy_decls): Likewise.
 257         (gfc_nonlocal_dummy_array_decl): Likewise.
 258         (gfc_get_symbol_decl): Do not call gfc_nonlocal_dummy_array_decl.
 259         (gfc_get_fake_result_decl): Do not generate a new DECL if simply
 260         reusing the result of a recursive call.
 261         (gfc_generate_function_code): Do not create, insert and destroy
 262         nonlocal_dummy_decls.
 263
 264 2018-06-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 265
 266         PR fortran/86110
 267         * array.c (gfc_resolve_character_array_constructor): Avoid NULL
 268         pointer dereference.
 269
 270 2018-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 271
 272         PR fortran/85703
 273         * parse.c (decode_oacc_directive): Set gfc_matching_function
 274         to false.
 275         (decode_omp_directive): Likewise.
 276
 277 2018-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 278
 279         PR fortran/85702
 280         * openmp.c (gfc_match_oacc_wait): Use %C to report error location.
 281
 282 2018-06-12  David Malcolm  <dmalcolm@redhat.com>
 283
 284         PR other/69968
 285         * misc.c (gfc_closest_fuzzy_match): Update for renaming of
 286         levenshtein_distance to get_edit_distance.
 287
 288 2018-06-12  Steven G. Kargl  <kargl@gcc.gnu.org>
 289
 290         PR fortran/44491
 291         * expr.c (gfc_check_assign): Select non-NULL locus.
 292
 293 2018-06-11  Janus Weil  <janus@gcc.gnu.org>
 294
 295         PR fortran/45521
 296         * interface.c (compare_ptr_alloc): New function.
 297         (generic_correspondence): Call it.
 298
 299 2018-06-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 300
 301         * gfortran.h (gfc_expr): Add no_bounds_check field.
 302         * frontend-passes.c (get_array_inq_function): Set no_bounds_check
 303         on function and function argument.
 304         (inline_matmul_assign): Set no_bounds_check on zero expression
 305         and on lhs of zero expression.
 306         Also handle A1B2 case if realloc on assigment is active.
 307         * trans-array.c (gfc_conv_array_ref): Don't do range checking
 308         if expr has no_bounds_check set.
 309         (gfc_conv_expr_descriptor): Set no_bounds_check on ss if expr
 310         has it set.
 311         * trans-expr.c (gfc_trans_assignment_1): Set no_bounds_check
 312         on lss and lss if the corresponding expressions have it set.
 313
 314 2018-06-10  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 315
 316         PR fortran/79854
 317         * trans-const.c: Remove include "diagnostic-core.h".
 318         (gfc_conv_constant_to_tree): Replace fatal_error with gcc_unreachable.
 319
 320 2018-06-10  Janus Weil  <janus@gcc.gnu.org>
 321
 322         PR fortran/85088
 323         * decl.c (match_attr_spec): Synchronize the DECL_* enum values with the
 324         INTENT_* values from the enum 'sym_intent'. Call 'match_intent_spec'
 325         and remove a TODO note.
 326         * gfortran.h: Add a comment to sym_intent.
 327
 328 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 329
 330         PR fortran/38351
 331         * resolve.c (resolve_operator): Provide better error message for
 332         derived type entity used in an binary intrinsic numeric operator.
 333
 334 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 335
 336         PR fortran/85138
 337         PR fortran/85996
 338         PR fortran/86051
 339         * decl.c (gfc_match_char_spec): Use private namespace in attempt to
 340         reduce a charlen to a constant.
 341
 342 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 343
 344         PR fortran/78278
 345         * data.c (gfc_assign_data_value): Re-arrange code to allow for
 346         an error for double initialization of CHARACTER entities.
 347
 348 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 349
 350         PR fortran/63514
 351         * symbol.c (gfc_add_volatile): Enforce F2008:C1282 and F2018:C1588.
 352
 353 2018-06-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 354
 355         PR fortran/85631
 356         * trans.h (gfc_ss): Add field no_bounds_check.
 357         * trans-array.c (gfc_conv_ss_startstride): If flag_realloc_lhs and
 358         ss->no_bounds_check is set, do not use runtime checks.
 359         * trans-expr.c (gfc_trans_assignment_1): Set lss->no_bounds_check
 360         for reallocatable lhs.
 361
 362 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 363
 364         PR fortran/86059
 365         * array.c (match_array_cons_element): NULL() cannot be in an
 366         array constructor.
 367
 368 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 369
 370         PR fortran/78571
 371         * data.c (create_character_initializer): Return early if type is
 372         incompatible with CHARACTER.
 373
 374 2018-06-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 375
 376         PR fortran/86045
 377         * simplify.c (gfc_simplify_mod): Re-arrange code to test whether
 378         'P' is zero and issue an error if it is.
 379
 380 2018-06-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 381
 382         PR fortran/85641
 383         * frontend-passes.c (is_fe_temp): Add prototype.
 384         (realloc_string_callback): Early return for frontend-generated
 385         temporary.
 386
 387 2018-06-05  Cesar Philippidis  <cesar@codesourcery.com>
 388
 389         PR fortran/85701
 390
 391         * openmp.c (gfc_resolve_oacc_declare): Error on functions and
 392         subroutine data clause arguments.
 393
 394 2018-06-04  Steven G. Kargl  <kargl@gcc.gnu.org>
 395
 396         PR fortran/85981
 397         * resolve.c (resolve_allocate_deallocate): Check errmsg is default
 398         character kind.
 399
 400 2018-06-03  Paul Thomas  <pault@gcc.gnu.org>
 401
 402         PR fortran/36497
 403         * decl.c (variable_decl): Use gfc_add_type for cray pointees.
 404
 405 2018-06-01  Steven G. Kargl  <kargl@gcc.gnu.org>
 406
 407         PR fortran/63570
 408         * check.c (gfc_check_random_init): New function. Check arguments of
 409         RANDOM_INIT.
 410         * gfortran.h (GFC_ISYM_RANDOM_INIT): New enum token.
 411         * intrinsic.c (add_subroutines): Add RANDOM_INIT to list of
 412         subroutines.
 413         (gfc_check_intrinsic_standard): Introduce Fortran 2018 check.
 414         * intrinsic.h: Add prototypes for gfc_check_random_init and
 415         gfc_resolve_random_init
 416         * intrinsic.texi: Document new intrinsic subprogram.
 417         * iresolve.c (gfc_resolve_random_init): Resolve routine name.
 418         * trans-decl.c: Declare gfor_fndecl_random_init
 419         * trans-intrinsic.c (conv_intrinsic_random_init): New function.
 420         Translate call to RANDOM_INIT.
 421         (gfc_conv_intrinsic_subroutine): Call it.
 422         * trans.h: Declare gfor_fndecl_random_init
 423
 424 2018-05-27  Steven G. Kargl  <kargl@gcc.gnu.org>
 425
 426         * decl.c (match_data_constant):  Fortran 2018 allows pointer
 427         initialization in a data statement.
 428
 429 2018-05-25  Janus Weil  <janus@gcc.gnu.org>
 430
 431         PR fortran/85839
 432         * match.c (gfc_match_block_data): Call gfc_notify_std to warn about
 433         an obsolescent feature in Fortran 2018.
 434         (gfc_match_equivalence): Ditto.
 435         * resolve.c (resolve_common_blocks): Ditto.
 436         (gfc_resolve_forall): Ditto.
 437         * symbol.c (gfc_define_st_label): Ditto.
 438
 439 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 440
 441         PR fortran/85543
 442         * resolve.c (update_current_proc_array_outer_dependency): Avoid NULL
 443         pointer dereference.
 444
 445 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 446
 447         PR fortran/85780
 448         * resolve.c (resolve_fl_procedure): Avoid NULL dereference.
 449
 450 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 451
 452         PR fortran/85779
 453         * decl.c (gfc_match_derived_decl): Fix NULL point dereference.
 454
 455 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 456
 457         PR fortran/85895
 458         * resolve.c (resolve_sync): Resolve expression before checking for
 459         an error.
 460
 461 2018-05-22  Janus Weil  <janus@gcc.gnu.org>
 462
 463         PR fortran/85841
 464         * libgfortran.h: Remove the macros GFC_STD_F2008_TS and
 465         GFC_STD_OPT_F08TS.
 466         * error.c (notify_std_msg): Remove GFC_STD_F2008_TS.
 467         * options.c (set_default_std_flags): Ditto.
 468         (gfc_handle_option): Make -std=f2008ts an alias for -std=f2018.
 469         * array.c (gfc_match_array_spec): Replace GFC_STD_F2008_TS by
 470         GFC_STD_F2018.
 471         * check.c (gfc_check_atomic, gfc_check_event_query,
 472         gfc_check_c_f_pointer, gfc_check_c_f_procpointer, gfc_check_c_funloc,
 473         gfc_check_c_loc, gfc_check_num_images, gfc_check_this_image): Ditto.
 474         * decl.c (gfc_verify_c_interop_param, gfc_match_decl_type_spec): Ditto.
 475         * intrinsic.c (add_functions, add_subroutines,
 476         gfc_check_intrinsic_standard): Ditto.
 477         * iso-c-binding.def: Ditto.
 478         * iso-fortran-env.def: Ditto.
 479         * match.c (gfc_match_event_post, gfc_match_event_wait,
 480         gfc_match_fail_image, gfc_match_form_team, gfc_match_change_team,
 481         gfc_match_end_team, gfc_match_sync_team): Ditto.
 482         * gfortran.texi: Remove mention of -std=f2008ts.
 483         Move TSs into F2018 section.
 484         * invoke.texi: Update documentation of -std=f2008ts.
 485
 486 2018-05-21  Janus Weil  <janus@gcc.gnu.org>
 487
 488         PR fortran/85841
 489         * libgfortran.h: New macros GFC_STD_OPT_*.
 490         * error.c (notify_std_msg): New function.
 491         (gfc_notify_std): Adjust such that it can handle combinations of
 492         GFC_STD_* flags in the 'std' argument, not just a single one.
 493         * match.c (match_arithmetic_if, gfc_match_if): Reject arithmetic if
 494         in Fortran 2018.
 495         (gfc_match_stopcode): Use GFC_STD_OPT_* macros.
 496         * options.c (set_default_std_flags): Warn for F2018 deleted features
 497         by default.
 498         (gfc_handle_option): F2018 deleted features are allowed in earlier
 499         standards.
 500         * symbol.c (gfc_define_st_label, gfc_reference_st_label): Reject
 501         nonblock do constructs in Fortran 2018.
 502
 503 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 504
 505         PR fortran/80657
 506         * resolve.c (flag_fn_result_spec): Use the 'sym' argument to
 507         test for self refs to the function result in the character len
 508         expression. If a self reference is found, emit an error and
 509         return true.
 510         (resolve_fntype): Use the function symbol in the calls to the
 511         above.
 512
 513 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 514
 515         PR fortran/49636
 516         * trans-array.c (gfc_get_array_span): Renamed from
 517         'get_array_span'.
 518         (gfc_conv_expr_descriptor): Change references to above.
 519         * trans-array.h : Add prototype for 'gfc_get_array_span'.
 520         * trans-intrinsic.c (gfc_conv_associated): Add pre and post
 521         blocks for 'arg1'.
 522         * trans-stmt.c (trans_associate_var): If the associate name is
 523         a subref array pointer, use gfc_get_array_span for the span.
 524
 525 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 526
 527         PR fortran/82275
 528         * match.c (gfc_match_type_spec): Go through the array ref and
 529         decrement 'rank' for every dimension that is an element.
 530
 531 2018-05-19  Paul Thomas  <pault@gcc.gnu.org>
 532
 533         PR fortran/82923
 534         PR fortran/66694
 535         PR fortran/82617
 536         * trans-array.c (gfc_alloc_allocatable_for_assignment): Set the
 537         charlen backend_decl of the rhs expr to ss->info->string_length
 538         so that the value in the current scope is used.
 539
 540 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 541
 542         PR fortran/63529
 543         * gfortran.texi: Clarify documentation for Cray pointer and
 544         assumed-sized array.
 545
 546 2018-05-13  Paul Thomas  <pault@gcc.gnu.org>
 547
 548         PR fortran/85742
 549         * trans-types.c (gfc_get_dtype_rank_type): Reorder evaluation
 550         of 'size'. If the element type is a pointer use the size of the
 551         TREE_TYPE of the type, unless it is VOID_TYPE. In this latter
 552         case, set the size to zero.
 553
 554 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 555
 556         * gfortran.h: Remove prototype.
 557         * symbol.c (gfc_new_undo_checkpoint): Remove unused function.
 558
 559 2018-05-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 560
 561         PR fortran/85542
 562         * expr.c (check_inquiry): Avoid NULL pointer dereference.
 563
 564 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 565
 566         PR fortran/85687
 567         * check.c (gfc_check_rank): Check that the argument is a data object.
 568
 569 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 570
 571         PR fortran/85521
 572         * array.c (gfc_resolve_character_array_constructor): Substrings
 573         with upper bound smaller than lower bound are zero length strings.
 574
 575 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 576
 577         PR fortran/70870
 578         * data.c (gfc_assign_data_value): Check that a data object does
 579         not also have default initialization.
 580
 581 2018-05-10  Marek Polacek  <polacek@redhat.com>
 582
 583         PR fortran/85735
 584         * options.c (gfc_post_options): Set main_input_filename.
 585
 586 2018-05-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 587
 588         PR fortran/54613
 589         * intrinsic.texi: Document BACK for MINLOC and MAXLOC.
 590
 591 2018-05-10  Paul Thomas  <pault@gcc.gnu.org>
 592
 593         PR fortran/68846
 594         PR fortran/70864
 595         * resolve.c (get_temp_from_expr): The temporary must not have
 596         dummy or intent attributes.
 597
 598 2018-05-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 599
 600         PR fortran/54613
 601         * check.c (gfc_check_minmaxloc): Remove error for BACK not being
 602         implemented.  Use gfc_logical_4_kind for BACK.
 603         * simplify.c (min_max_choose): Add optional argument back_val.
 604         Handle it.
 605         (simplify_minmaxloc_to_scalar): Add argument back_val. Pass
 606         back_val to min_max_choose.
 607         (simplify_minmaxloc_to_nodim): Likewise.
 608         (simplify_minmaxloc_to_array): Likewise.
 609         (gfc_simplify_minmaxloc): Add argument back, handle it.
 610         Pass back_val to specific simplification functions.
 611         (gfc_simplify_minloc): Remove ATTRIBUTE_UNUSED from argument back,
 612         pass it on to gfc_simplify_minmaxloc.
 613         (gfc_simplify_maxloc): Likewise.
 614         * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Adjust
 615         comment. If BACK is true, use greater or equal (or lesser or
 616         equal) insteal of greater (or lesser). Mark the condition of
 617         having found a value which exceeds the limit as unlikely.
 618
 619 2018-05-07  Jeff Law  <law@redhat.comg>
 620
 621         * scanner.c (preprocessor_line): Call linemap_add after a line
 622         directive that changes the current filename.
 623
 624 2018-05-06  Andre Vehreschild  <vehre@gcc.gnu.org>
 625
 626         PR fortran/85507
 627         * dependency.c (gfc_dep_resolver): Revert looking at coarray dimension
 628         introduced by r259385.
 629         * trans-intrinsic.c (conv_caf_send): Always report a dependency for
 630         same variables in coarray assignments.
 631
 632 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 633
 634         PR libgomp/82428
 635         * f95-lang.c (DEF_GOACC_BUILTIN_ONLY): Define.
 636
 637 2018-04-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 638
 639         PR fortran/85520
 640         * decl.c (gfc_match_char_spec): Check for negative length and set to 0.
 641
 642 2018-04-14  Andre Vehreschild  <vehre@gcc.gnu.org>
 643
 644         PR fortran/81773
 645         PR fortran/83606
 646         * dependency.c (gfc_dep_resolver): Coarray indexes are to be ignored
 647         during dependency computation.  They define no data dependency.
 648         * trans-array.c (conv_array_index_offset): The stride can not be set
 649         here, prevent fail.
 650         * trans-intrinsic.c (conv_caf_send): Add creation of temporary array
 651         for caf_get's result and copying to the array with vectorial
 652         indexing.
 653
 654 2018-04-14  Thomas Koenig  <tkoenig@gcc.gnu.org>
 655
 656         PR fortran/85387
 657         * frontend-passes.c (traverse_io_block): Check for start, end or
 658         stride being defined by an outer implied DO loop.
 659
 660 2018-04-12  Thomas Koenig  <tkoenig@gcc.gnu.org>
 661
 662         PR fortran/83064
 663         PR testsuite/85346
 664         * trans-stmt.c (gfc_trans_forall_loop): Use annot_expr_ivdep_kind
 665         for annotation and remove dependence on -ftree-parallelize-loops.
 666
 667 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
 668
 669         PR fortran/85313
 670         * openmp.c (resolve_omp_do): Remove bogus if (j < i) break;.
 671         (resolve_oacc_nested_loops): Likewise.  Formatting fix.
 672
 673 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 674
 675         PR fortran/83064
 676         * trans-stmt.c (gfc_trans_forall_loop): Remove annotation for
 677         parallell processing of DO CONCURRENT -ftree-parallelize-loops
 678         is set.
 679
 680 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 681
 682         PR fortran/51260
 683         * resolve.c (resolve_variable): Simplify cases where access to a
 684         parameter array results in a single constant.
 685
 686 2018-04-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 687
 688         PR fortran/85102
 689         * decl.c (variable_decl): If upper or lower bounds simplify
 690         to a constant, use that.
 691
 692 2018-03-30  Paul Thomas  <pault@gcc.gnu.org>
 693
 694         PR fortran/84931
 695         * simplify.c (gfc_convert_constant): Handle case of array
 696         constructors within an array that has no iterator and improve
 697         the conciseness of this section of code.
 698
 699 2017-03-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
 700
 701         PR fortran/85111
 702         * array.c (gfc_resolve_character_array_constructor): Early
 703         exit for zero-size arrays.
 704         * simplify.c (simplify_transformation_to_array): Exit early
 705         if the result size is zero.
 706         (simplify_minmaxloc_to_array): Likewise.
 707
 708 2018-03-28  Mikael Morin  <mikael@gcc.gnu.org>
 709
 710         PR fortran/69497
 711         * symbol.c (gfc_symbol_done_2): Start freeing namespaces
 712         from the root.
 713         (gfc_free_namespace): Restore assert (revert r258839).
 714
 715 2018-03-28  Jakub Jelinek  <jakub@redhat.com>
 716
 717         * gfortran.h (gfc_dt): Rename default_exp field to dec_ext.
 718         * ioparm.def (IOPARM_dt_default_exp): Rename to ...
 719         (IOPARM_dt_dec_ext): ... this.
 720         * trans-io.c (build_dt): Adjust for default_exp renaming to
 721         dec_ext and IOPARM_dt_default_exp renaming to IOPARM_dt_dec_ext.
 722         * io.c (match_io): Likewise.
 723
 724 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 725
 726         PR fortran/85084
 727         * frontend-passes.c (gfc_run_passes): Do not run front-end
 728         optimizations if a previous error occurred.
 729
 730 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 731         Harald Anlauf  <anlauf@gmx.de>
 732
 733         PR fortran/85083
 734         * primary.c (gfc_convert_to_structure_constructor): Check
 735         conformance of argument types in structure constructor.
 736
 737 2018-03-26  Thomas Koenig  <tkoenig@gcc.gnu.org>
 738
 739         PR fortran/66709
 740         * io.c: Include constructor.h.
 741         (resolve_tag_format): For a constant character array, concatenate
 742         into a single character expression.
 743
 744 2018-03-25  Seth Johnson <johnsonsr@ornl.gov>
 745         Dominique d'Humieres  <dominiq@gcc.gnu.org>
 746
 747         PR fortran/84924
 748         * check.c (gfc_check_c_f_pointer): Allow scalar noninteroperable
 749         scalar derived type with -std=f2003 and -std=f2008.
 750
 751 2018-03-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 752             Dominique d'Humieres  <dominiq@gcc.gnu.org>
 753
 754         PR fortran/69497
 755         * symbol.c (gfc_free_namespace): Delete the assert and only if
 756         refs count is equals zero, free the namespace. Otherwise,
 757         something is halfway and other errors will resound.
 758
 759 2018-03-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
 760
 761         PR fortran/70068
 762         * expr.c (find_substring_ref): Change types of start, end
 763         and length variables to gfc_charlen_t. Set length to zero
 764         for empty substring.
 765
 766 2018-03-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 767
 768         PR fortran/42651
 769         * decl.c (check_function_name): Improved error message
 770         (gfc_match_volatile, gfc_match_asynchronous) Use check_function_name.
 771
 772 2018-03-22  Steven G. Kargl  <kargl@gcc.gnu.org>
 773
 774         PR fortran/84922
 775         * decl.c (get_proc_name): If the MODULE prefix appears in interface
 776         body, then it must appear on the contained subroutine or function.
 777         While here, fix nearby mis-indented code.
 778
 779 2018-03-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 780         Harald Anlauf  <anlauf@gmx.de>
 781
 782         PR fortran/84957
 783         * trans-types.c (gfc_sym_type): Do not dereference NULL pointer.
 784
 785 2018-03-21  Janne Blomqvist  <jb@gcc.gnu.org>
 786
 787         PR fortran/84615
 788         * trans-expr.c (gfc_conv_procedure_call): Convert charlen to
 789         gfc_charlen_type_node when calling procedure.
 790
 791 2018-03-20  Steven G. Kargl  <kargl@gcc.gnu.org>
 792
 793         PR fortran/85001
 794         * interface.c (symbol_rank): Remove bogus null pointer check that
 795         crept in when translating a ternary operator into an if-else
 796         constructor.
 797
 798 2018-03-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 799
 800         PR fortran/84931
 801         * simplify.c (gfc_convert_constant): Correctly handle iterators
 802         for type conversion.
 803
 804 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 805
 806         PR fortran/77414
 807         * decl.c (get_proc_name):  Check for a subroutine re-defined in
 808         the contain portion of a subroutine.  Change language of existing
 809         error message to better describe the issue. While here fix whitespace
 810         issues.
 811
 812 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 813
 814         PR fortran/65453
 815         * decl.c (get_proc_name): Catch clash between a procedure statement
 816         and a contained subprogram
 817
 818 2018-03-16  Steven G. Kargl  <kargl@gcc.gnu.org>
 819
 820         PR fortran/69395
 821         * decl.c (merge_array_spec): Correct the error condition.
 822
 823 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 824
 825         PR fortran/78741
 826         * decl.c (get_proc_name):  Check for clash of entry name with
 827         subroutine name.
 828
 829 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 830
 831         PR fortran/69395
 832         * decl.c (merge_array_spec): Limit the merging to maximum allowed
 833         dimensions, and issue error message if limit is exceeded.
 834
 835 2018-03-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 836
 837         * check.c (gfc_check_kill_sub):  Remove check for INTEGER(4) or (8).
 838         * intrinsic.c (add_functions): Remove reference to gfc_resolve_kill.
 839         (add_subroutines): Remove reference to gfc_resolve_kill_sub.
 840         * intrinsic.texi: Update documentation.
 841         * iresolve.c (gfc_resolve_kill, gfc_resolve_kill_sub): Remove.
 842         * trans-decl.c (gfc_build_intrinsic_function_decls):  Add
 843         gfor_fndecl_kill and gfor_fndecl_kill_sub
 844         * trans-intrinsic.c (conv_intrinsic_kill, conv_intrinsic_kill_sub): new
 845         functions.
 846         (gfc_conv_intrinsic_function): Use conv_intrinsic_kill.
 847         (gfc_conv_intrinsic_subroutine): Use conv_intrinsic_kill_sub.
 848         * trans.h: Declare gfor_fndecl_kill and gfor_fndecl_kill_sub.
 849
 850 2018-03-11  Paul Thomas  <pault@gcc.gnu.org>
 851
 852         PR fortran/84546
 853         * trans-array.c (structure_alloc_comps): Make sure that the
 854         vptr is copied and that the unlimited polymorphic _len is used
 855         to compute the size to be allocated.
 856         * trans-expr.c (gfc_get_class_array_ref): If unlimited, use the
 857         unlimited polymorphic _len for the offset to the element.
 858         (gfc_copy_class_to_class): Set the new 'unlimited' argument.
 859         * trans.h : Add the boolean 'unlimited' to the prototype.
 860
 861 2018-03-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 862
 863         PR fortran/83939
 864         * resolve.c (resolve_fl_procedure): Enforce F2018:C15100.
 865
 866 2018-03-11  Steven G. Kargl  <kargls@gcc.gnu.org>
 867
 868         * check.c (gfc_check_kill):  Check pid and sig are scalar.
 869         (gfc_check_kill_sub): Restrict kind to 4 and 8.
 870         * intrinsic.c (add_function): Sort keyword list.  Add pid and sig
 871         keywords for KILL.  Remove redundant *back="back" in favor of the
 872         original *bck="back".
 873         (add_subroutines): Sort keyword list.  Add pid and sig keywords
 874         for KILL.
 875         * intrinsic.texi: Fix documentation to consistently use pid and sig.
 876         * iresolve.c (gfc_resolve_kill): Kind can only be 4 or 8.  Choose the
 877         correct function.
 878         (gfc_resolve_rename_sub): Add comment.
 879
 880 2018-03-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
 881
 882         PR fortran/66128
 883         * simplify.c (simplify_transformation): Return default result for
 884         empty array argument.
 885         (gfc_simplify_all): Remove special-case handling for zerosize.
 886         (gfc_simplify_any): Likewise.
 887         (gfc_simplify_count): Likewise.
 888         (gfc_simplify_iall): Likewise.
 889         (gfc_simplify_iany): Likewise.
 890         (gfc_simplify_iparity): Likewise.
 891         (gfc_simplify_minval): Likewise.
 892         (gfc_simplify_maxval): Likewise.
 893         (gfc_simplify_norm2): Likewise.
 894         (gfc_simplify_product): Likewise.
 895         (gfc_simplify_sum): Likewise.
 896
 897 2018-03-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 898
 899         PR fortran/84734
 900         * arith.c (check_result, eval_intrinsic):  If result overflows, pass
 901         the expression up the chain instead of a NULL pointer.
 902
 903 2018-03-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 904
 905         PR fortran/64124
 906         PR fortran/70409
 907         * decl.c (gfc_match_char_spec): Try to reduce a charlen to a constant.
 908
 909 2017-03-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 910
 911         PR fortran/84697
 912         PR fortran/66128
 913         * expr.c (simplify_parameter_variable): If p is a size zero array
 914         and not an ARRAY_EXPR insert an empty array constructor and
 915         return.
 916         * gfortran.h: Add prototype for gfc_is_size_zero_array.
 917         * simplify.c (is_size_zero_array): Make non-static and rename into
 918         (gfc_is_size_zero_array):  Check for parameter arrays of zero
 919         size by comparing shape and absence of constructor.
 920         (gfc_simplify_all): Use gfc_is_size_zero_array instead of
 921         is_size_zero_array.
 922         (gfc_simplify_count): Likewise.
 923         (gfc_simplify_iall): Likewise.
 924         (gfc_simplify_iany): Likewise.
 925         (gfc_simplify_iparity): Likewise.
 926         (gfc_simplify_minval): Likewise.
 927         (gfc_simplify_maxval): Likewise.
 928         (gfc_simplify_product): Likewise.
 929         (gfc_simplify_sum): Likewise.
 930
 931 2018-03-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 932
 933         PR fortran/56667
 934         * primary.c (match_sym_complex_part): Give the matcher for an implied
 935         do-loop a chance to run.
 936
 937 2018-03-03  Harald Anlauf  <anlauf@gmx.de>
 938
 939         PR fortran/71085
 940         * trans-expr.c (gfc_apply_interface_mapping_to_expr): Do not
 941         dereference NULL pointer.
 942
 943 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
 944
 945         PR fortran/66128
 946         * simplify.c (is_size_zero_array): New function to check for size
 947         zero array.
 948         (gfc_simplify_all, gfc_simplify_any, gfc_simplify_count,
 949          gfc_simplify_iall, gfc_simplify_iany, gfc_simplify_iparity,
 950          gfc_simplify_minval, gfc_simplify_maxval, gfc_simplify_norm2,
 951          gfc_simplify_product, gfc_simplify_sum): Use it, and implement
 952         requirements from F2018.
 953
 954 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
 955
 956         PR fortran/51434
 957         * simplify.c (gfc_simplify_transfer): Resolve mold.
 958
 959 2018-03-03  Paul Thomas  <pault@gcc.gnu.org>
 960
 961         PR fortran/80965
 962         * resolve.c (build_loc_call): Change symtree name from 'loc' to
 963         '_loc'.
 964
 965 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
 966
 967         PR fortran/84219
 968         * target-memory.c (gfc_interpret_derived): Assert that BT_VOID
 969         components are caf tokens.
 970         (gfc_target_interpret_expr): Treat BT_VOID expressions as
 971         integers.
 972
 973 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
 974
 975         PR fortran/84538
 976         * class.c (class_array_ref_detected): Remove the condition that
 977         there be no reference after the array reference.
 978         (find_intrinsic_vtab): Remove excess whitespace.
 979         * trans-array.c (gfc_conv_scalarized_array_ref): Rename 'tmp'
 980         as 'base and call build_class_array_ref earlier.
 981
 982 2018-02-28  Paul Thomas  <pault@gcc.gnu.org>
 983
 984         PR fortran/83901
 985         * trans-stmt.c (trans_associate_var): Make sure that the se
 986         expression is a pointer type before converting it to the symbol
 987         backend_decl type.
 988
 989 2018-02-25  Steven G. Kargl  <kargl@gcc.gnu.org>
 990
 991         PR fortran/83633
 992         * decl.c (variable_decl): Check that an explicit-shape-array with
 993         nonconstant bounds is allowed.
 994
 995 2018-02-25  Paul Thomas  <pault@gcc.gnu.org>
 996
 997         PR fortran/84523
 998         * trans-intrinsic.c (gfc_conv_allocated): If the argument se
 999         has a pre block, add it to the expression pre block.
1000
1001 2018-02-25  Thomas Koenig  <tkoenig@gcc.gnu.org>
1002
1003         PR fortran/78238
1004         * gfortran.h (gfc_integer_4_kind): Define.
1005         * resolve.c (resolve_select_type): Make sure that the
1006         kind of c->high is gfc_integer_4_kind.
1007
1008 2018-02-24  Steven G. Kargl <kargl@gcc.gnu.org>
1009
1010         PR fortran/30792
1011         * decl.c (gfc_match_data): Check for invalid substring in
1012         data-implied-do
1013
1014 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1015
1016         * intrinsic.texi: Arguments to MATMUL cannot both be rank one.
1017
1018 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1019
1020         PR fortran/84511
1021         * trans-io.c (transfer_expr): Deal with C_LOC in transfer statement.
1022
1023 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1024
1025         PR fortran/84346
1026         * interface.c (compare_actual_formal): Issue error if keyword is
1027         used in a statement function.
1028
1029 2018-02-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1030
1031         PR fortran/84506
1032         * trans-io.c (set_parameter_value_inquire): Adjust range check of
1033         negative unit values for kind=8 units to the kind=4 negative limit.
1034
1035 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1036
1037         PR fortran/83149
1038         * trans-types.c (gfc_sym_type): Test sym->ns->proc_name before
1039         accessing its components.
1040
1041 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1042
1043         PR fortran/83149
1044         * trans-decl.c (gfc_finish_var_decl): Test sym->ns->proc_name
1045         before accessing its components.
1046
1047 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1048
1049         PR fortran/83148
1050         * trans-const.c : Clean up some whitespace issues.
1051         * trans-expr.c (gfc_conv_initializer): If an iso_c_binding
1052         derived type has a kind value of zero, set it to the default
1053         integer kind.
1054
1055 2018-02-23  Janne Blomqvist  <jb@gcc.gnu.org>
1056
1057         PR fortran/84519
1058         * trans-decl.c (gfc_build_builtin_function_decls): Add bool
1059         argument to stop and error stop decls.
1060         * trans-stmt.c (gfc_trans_stop): Add false value to argument
1061         lists.
1062
1063 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
1064
1065         PR 78534
1066         PR 84509
1067         * trans-decl.c (gfc_build_builtin_function_decls): Pass
1068         gfc_int8_type node to pause_numeric, size_type_node to
1069         pause_string.
1070         * trans-stmt.c (gfc_trans_pause): Likewise.
1071
1072 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
1073
1074         * gfortran.texi: Update Coarray API description.
1075         * trans-decl.c (gfc_build_builtin_function_decls): Use size_t for
1076         character lengths, int for exit codes.
1077         (generate_coarray_sym_init): Use size_t for character length.
1078         * trans-intrinsic.c (conv_co_collective): Likewise.
1079         * trans-stmt.c (gfc_trans_lock_unlock): Likewise.
1080         (gfc_trans_event_post_wait): Likewise.
1081         (gfc_trans_sync): Likewise.
1082         (gfc_trans_stop): Use size_t for character lengths, int for exit
1083         codes.
1084
1085 2018-02-20  Thomas Koenig  <tkoenig@gcc.gnu.org>
1086
1087         PR fortran/48890
1088         PR fortran/83823
1089         * primary.c (gfc_convert_to_structure_constructor):
1090         For a constant string constructor, make sure the length
1091         is correct.
1092
1093 2018-02-19  Paul Thomas  <pault@gcc.gnu.org>
1094
1095         PR fortran/83344
1096         PR fortran/83975
1097         * resolve.c (resolve_assoc_var): Rearrange the logic for the
1098         determination of the character length of associate names. If
1099         the associate name is missing a length expression or the length
1100         expression is not a constant and the target is not a variable,
1101         make the associate name allocatable and deferred length.
1102         * trans-decl.c (gfc_get_symbol_decl): Null the character length
1103         backend_decl for deferred length associate names that are not
1104         variables. Set 'length' to gfc_index_zero_node for character
1105         associate names, whose character length is a PARM_DECL.
1106
1107 2018-02-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
1108
1109         PR fortran/35339
1110         * frontend-passes.c (traverse_io_block): Remove workaround for
1111         PR 80945.
1112
1113 2018-02-19  Andre Vehreschild  <vehre@gcc.gnu.org>
1114
1115         * gfortran.texi: Document additional src/dst_type.  Fix some typos.
1116         * trans-decl.c (gfc_build_builtin_function_decls): Declare the new
1117         argument of _caf_*_by_ref () with * e { get, send, sendget }.
1118         * trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Add the type of the
1119         data referenced when generating a call to caf_get_by_ref ().
1120         (conv_caf_send): Same but for caf_send_by_ref () and
1121         caf_sendget_by_ref ().
1122
1123 2018-02-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1124
1125         PR fortran/84389
1126         * io.c (check_format): Allow FMT_COLON.
1127
1128 2018-02-18  Paul Thomas  <pault@gcc.gnu.org>
1129
1130         PR fortran/80945
1131         * trans-array.c (gfc_conv_expr_descriptor): Set parmtype from
1132         the typenode in the case of deferred length characters.
1133
1134 2018-02-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
1135
1136         PR fortran/84270
1137         * frontend-passes (scalarized_expr):  If the expression
1138         is an assumed size array, leave in the last reference
1139         and pass AR_SECTION instead of AR_FULL to gfc_resolve
1140         in order to avoid an error.
1141
1142 2018-02-17  Paul Thomas  <pault@gcc.gnu.org>
1143
1144         PR fortran/84115
1145         * resolve.c (resolve_assoc_var): If a non-constant target expr.
1146         has no string length expression, make the associate variable
1147         into a deferred length, allocatable symbol.
1148         * trans-decl.c (gfc_is_reallocatable_lhs): Add and use a ptr to
1149         the symbol.
1150         * trans-stmt.c (trans_associate_var): Null and free scalar
1151         associate names that are allocatable. After assignment, remove
1152         the allocatable attribute to prevent reallocation.
1153
1154 2018-02-16  Jakub Jelinek  <jakub@redhat.com>
1155
1156         PR fortran/84418
1157         * trans-openmp.c (gfc_trans_omp_clauses): For OMP_CLAUSE_LINEAR_REF
1158         kind set OMP_CLAUSE_LINEAR_STEP to TYPE_SIZE_UNIT times last_step.
1159
1160 2018-02-16  Dominique d'Humieres  <dominiq@gcc.gnu.org>
1161
1162         PR fortran/84354
1163         * decl.c (gfc_get_pdt_instance): Replace '%qs' with %qs.
1164
1165 2018-02-15  Janus Weil  <janus@gcc.gnu.org>
1166
1167         PR fortran/84409
1168         * interface.c (check_dtio_arg_TKR_intent): Add a check for character
1169         length.
1170
1171 2018-02-14  Janus Weil  <janus@gcc.gnu.org>
1172
1173         PR fortran/84385
1174         * match.c (gfc_match_select_type): Fix check for selector in
1175         SELECT TYPE statement.
1176
1177 2018-02-13  Janus Weil  <janus@gcc.gnu.org>
1178
1179         PR fortran/84313
1180         * symbol.c (check_conflict): Reject procedure pointers in common blocks.
1181
1182 2018-02-13  Alastair McKinstry  <alastair.mckinstry@sceal.ie>
1183             Janne Blomqvist  <jb@gcc.gnu.org>
1184
1185         * module.c (dump_module): Use lbasename to ensure that module
1186         files are reproducible.
1187
1188 2018-02-12  Janus Weil  <janus@gcc.gnu.org>
1189
1190         PR fortran/84273
1191         * resolve.c (resolve_component): Fix checks of passed argument in
1192         procedure-pointer components.
1193
1194 2018-02-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1195
1196         PR fortran/35299
1197         * resolve.c (resolve_formal_arglist): Update error message.
1198
1199 2018-02-11  Andre Vehreschild  <vehre@gcc.gnu.org>
1200
1201         * gfortran.texi: Fix typos in documentation of caf_register ().
1202         * trans-array.c (structure_alloc_comps): Only register a component of
1203         a derived typed corray, not of an ultimate component coarray.
1204
1205 2018-02-11  Steven G. Kargl  <kargl@gcc.gnu.org>
1206
1207         PR fortran/54223
1208         PR fortran/84276
1209         * interface.c (compare_actual_formal): Add in_statement_function
1210         bool parameter.  Skip check of INTENT attribute for statement
1211         functions.  Arguments to a statement function cannot be optional,
1212         issue error for missing argument.
1213         (gfc_procedure_use, gfc_ppc_use, gfc_arglist_matches_symbol): Use
1214          in_statement_function.
1215
1216 2018-02-11  Paul Thomas  <pault@gcc.gnu.org>
1217
1218         PR fortran/84074
1219         * trans-expr.c (gfc_conv_derived_to_class): Set the use_offset
1220         flag. If the is a vector subscript or the expression is not a
1221         variable, make the descriptor one-based.
1222
1223 2018-02-10  Paul Thomas  <pault@gcc.gnu.org>
1224
1225         PR fortran/84141
1226         PR fortran/84155
1227         * trans-array.c (gfc_array_init_size): Revert the change made
1228         in revision 257356 setting the dtype.
1229         * trans-types.c (gfc_get_dtype): Do not use the cached dtype.
1230         Call gfc_get_dtype_rank_type every time.
1231
1232         PR fortran/56691
1233         * trans-array.c (gfc_conv_expr_descriptor): If the source array
1234         is a descriptor type, use its offset, removing the condition
1235         that is be a class expression.
1236
1237 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1238
1239         PR fortran/82994
1240         * match.c (gfc_match_deallocate): Check for NULL pointer.
1241
1242 2018-02-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
1243
1244         PR fortran/68560
1245         * trans-intrinsic.c (gfc_conv_intrinsic_shape): New function.
1246         (gfc_conv_intrinsic_function): Call it.
1247
1248 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1249
1250         PR fortran/82049
1251         * match.c (gfc_match_type_spec): If the charlen is non-NULL, then
1252         try to resolve it.  While here return early if possible.
1253
1254 2018-02-04  Paul Thomas  <pault@gcc.gnu.org>
1255
1256         PR fortran/84115
1257         * trans-decl.c (gfc_get_symbol_decl): Do not finish the decl of
1258         'length' if the symbol charlen backend_decl is an indirect ref.
1259
1260 2018-02-03  Paul Thomas  <pault@gcc.gnu.org>
1261
1262         PR fortran/84141
1263         PR fortran/84155
1264         * trans-array.c (gfc_array_init_size): Instead of gfc_get_dtype
1265         use gfc_get_dtype_rank_type.
1266
1267 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
1268
1269         PR 83975
1270         PR 83344
1271         * resolve.c (resolve_assoc_var): Generate an error if
1272         target length unknown.
1273
1274 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
1275
1276         PR fortran/83705
1277         * simplify.c (gfc_simplify_repeat): Increase limit for deferring
1278         to runtime, print a warning message.
1279
1280 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
1281
1282         PR fortran/84116
1283         * openmp.c (gfc_match_omp_clauses): If all the linear
1284         gfc_match_omp_variable_list calls failed, don't gfc_free_omp_namelist
1285         nor set *head = NULL.  Formatting fixes.
1286
1287 2018-01-31  Paul Thomas  <pault@gcc.gnu.org>
1288
1289         PR fortran/84088
1290         * trans-expr.c (gfc_conv_procedure_call): If the parm expr is
1291         an address expression passed to an assumed rank dummy, convert
1292         to an indirect reference.
1293
1294 2018-01-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
1295
1296         * dump-parse-tree.c (write_proc): Use sym_name (which may
1297         be sym->binding_label) instead of sym->name.
1298
1299 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
1300
1301         * trans-const.c (gfc_conv_string_init): Use gfc_charlen_t instead
1302         of int for slen.
1303
1304 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
1305
1306         PR fortran/78534
1307         * trans-expr.c (fill_with_spaces): Use memset instead of
1308         generating loop.
1309         (gfc_trans_string_copy): Improve opportunity to use builtins with
1310         constant lengths.
1311
1312 2018-01-30  Jakub Jelinek  <jakub@redhat.com>
1313
1314         PR debug/84131
1315         * trans-array.c (gfc_get_descriptor_offsets_for_info): Set *data_off
1316         to DATA_FIELD's offset rather than OFFSET_FIELD's offset.
1317
1318 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1319
1320         PR fortran/84134
1321         * array.c (gfc_ref_dimen_size): Whitespace fixes.  If stride is
1322         zero, return false.
1323
1324 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1325
1326         PR fortran/84133
1327         * frontend-passes (matmul_to_var_expr): Return early if
1328         in association list.
1329         (inline_matmul_assign): Likewise.
1330
1331 2017-01-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
1332
1333         PR fortran/84073
1334         * resolve.c (resolve_component): Ensure BIND(C) character
1335         components have length one.
1336         (resolve_symbol): Likewise for variables.
1337
1338 2018-01-27  Jakub Jelinek  <jakub@redhat.com>
1339
1340         PR fortran/84065
1341         * decl.c (add_init_expr_to_sym): Ignore initializers for too large
1342         lengths.
1343
1344 2018-01-26  Damian Rouson  <damian@sourceryinstitute.org>
1345             Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
1346             Soren Rasmussen  <s.c.rasmussen@gmail.com>
1347
1348         Partial support for Fortran 2018 teams features.
1349
1350         * array.c (gfc_match_array_ref): add team attribute in coarray
1351         transfers.
1352         * check.c (gfc_check_get_team, gfc_check_team_number): add new
1353         functions for get_team and team_number.
1354         * dump-parse-tree.c (show_code_node): add new statements: form team,
1355         change team, end team, and sync team.
1356         * expr.c (gfc_find_team_co): add new function.
1357         * gfortran.h: add new statements.
1358         * intrinsic.c (add_functions): add get_team and team_number functions.
1359         * intrinsic.h: add get_team and team_number prototypes for check,
1360         simplify, and resolve.
1361         * iresolve.c (gfc_resolve_get_team, gfc_resolve_team_number): add new
1362         functions.
1363         * iso-fortran-env.def: add the team_type derived type.
1364         * match.c (gfc_match_if, gfc_match_form_team, gfc_match_team_number)
1365         (gfc_match_end_team, gfc_match_sync_team, gfc_match_change_team):
1366         add change team, end team, form team, sync team match and functions.
1367         * match.h: add new prototypes for change team, end team, form team,
1368         and sync team.
1369         * parse.c (decode_statement): add cases for change team, end team,
1370         form team, and sync team.
1371         * resolve.c: add cases for exec form team, change team, end team, and
1372         sync team.
1373         * simplify.c (gfc_simplify_get_team): add new function for get team.
1374         * st.c (gfc_free_statement): add cases exec for change team, end team,
1375         form team, sync team.
1376         * trans-decl.c (gfor_fndecl_caf_form_team)
1377         (gfor_fndecl_caf_change_team, gfor_fndecl_caf_end_team)
1378         (gfor_fndecl_caf_sync_team, gfor_fndecl_caf_get_team)
1379         (gfor_fndecl_caf_team_number): add functions and definitions.
1380         * trans-intrinsic.c (conv_caf_send, conv_intrinsic_team_number): add
1381         new function and team_type argument support.
1382         * trans-stmt.c (gfc_trans_form_team, gfc_trans_change_team)
1383         (gfc_trans_end_team, gfc_trans_sync_team): add new functions.
1384         * trans-stmt.h: add new prototypes.
1385         * trans-types.c (gfc_get_derived_type): check condition for team_type.
1386         * trans.c (trans_code): new exec cases for form team, change team, end
1387         team, and sync team.
1388         * trans.h: add new prototypes.
1389
1390 2018-01-26  Steven G. Kargl  <kargl@gcc.gnu.org>
1391
1392         PR fortran/83998
1393         * simplify.c (compute_dot_product):  Initialize result to INTEGER(1) 0
1394         or .false.  The summation does the correct type conversion.
1395         (gfc_simplify_dot_product): Special case zero-sized arrays.
1396
1397 2018-25-01  Paul Thomas  <pault@gcc.gnu.org>
1398
1399         PR fortran/37577
1400         * array.c (gfc_match_array_ref): If standard earlier than F2008
1401         it is an error if the reference dimension is greater than 7.
1402         libgfortran.h : Increase GFC_MAX_DIMENSIONS to 15. Change the
1403         dtype masks and shifts accordingly.
1404         * trans-array.c (gfc_conv_descriptor_dtype): Use the dtype
1405         type node to check the field.
1406         (gfc_conv_descriptor_dtype): Access the rank field of dtype.
1407         (duplicate_allocatable_coarray): Access the rank field of the
1408         dtype descriptor rather than the dtype itself.
1409         * trans-expr.c (get_scalar_to_descriptor_type): Store the type
1410         of 'scalar' on entry and use its TREE_TYPE if it is ARRAY_TYPE
1411         (ie. a character).
1412         (gfc_conv_procedure_call): Pass TREE_OPERAND (tmp,0) to
1413         get_scalar_to_descriptor_type if the actual expression is a
1414         constant.
1415         (gfc_trans_structure_assign): Assign the rank directly to the
1416         dtype rank field.
1417         * trans-intrinsic.c (gfc_conv_intrinsic_rank): Cast the result
1418         to default integer kind.
1419         (gfc_conv_intrinsic_sizeof): Obtain the element size from the
1420         'elem_len' field of the dtype.
1421         * trans-io.c (gfc_build_io_library_fndecls): Replace
1422         gfc_int4_type_node with dtype_type_node where necessary.
1423         (transfer_namelist_element): Use gfc_get_dtype_rank_type for
1424         scalars.
1425         * trans-types.c : Provide 'get_dtype_type_node' to acces the
1426         dtype_type_node and, if necessary, build it.
1427         The maximum size of an array element is now determined by the
1428         maximum value of size_t.
1429         Update the description of the array descriptor, including the
1430         type def for the dtype_type.
1431         (gfc_get_dtype_rank_type): Build a constructor for the dtype.
1432         Distinguish RECORD_TYPEs that are BT_DERIVED or BT_CLASS.
1433         (gfc_get_array_descriptor_base): Change the type of the dtype
1434         field to dtype_type_node.
1435         (gfc_get_array_descr_info): Get the offset to the rank field of
1436         the dtype.
1437         * trans-types.h : Add a prototype for 'get_dtype_type_node ()'.
1438         * trans.h : Define the indices of the dtype fields.
1439
1440 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1441
1442         PR fortran/83866
1443         * decl.c (gfc_match_derived_decl): If eos not matched, recover
1444         and emit error about garbage after declaration.
1445
1446 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1447
1448         PR fortran/83898
1449         * trans-stmt.c (trans_associate_var): Do not set cst_array_ctor
1450         for characters.
1451
1452 2018-01-22  Janne Blomqvist  <jb@gcc.gnu.org>
1453
1454         PR 78534
1455         PR 83704
1456         * arith.c (gfc_arith_concat): Use size_t for string length.
1457         (gfc_compare_string): Likewise.
1458         (gfc_compare_with_Cstring): Likewise.
1459         * array.c (gfc_resolve_character_array_constructor): Use
1460         HOST_WIDE_INT, gfc_mpz_get_hwi.
1461         * check.c (gfc_check_fe_runtime_error): Use size_t.
1462         * data.c (create_character_initializer): Use HOST_WIDE_INT,
1463         gfc_extract_hwi.
1464         * decl.c (gfc_set_constant_character_len): Use gfc_charlen_t.
1465         (add_init_expr_to_sym): Use HOST_WIDE_INT.
1466         * expr.c (gfc_build_init_expr): Use HOST_WIDE_INT,
1467         gfc_extract_hwi.
1468         (gfc_apply_init): Likewise.
1469         * match.h (gfc_set_constant_character_len): Update prototype.
1470         * primary.c (match_string_constant): Use size_t.
1471         * resolve.c (resolve_ordinary_assign): Use HOST_WIDE_INT,
1472         gfc_mpz_get_hwi.
1473         * simplify.c (init_result_expr): Likewise.
1474         (gfc_simplify_len_trim): Use size_t.
1475         * target-memory.c (gfc_encode_character): Use size_t.
1476         (gfc_target_encode_expr): Use HOST_WIDE_INT, gfc_mpz_get_hwi.
1477         (interpret_array): Use size_t.
1478         (gfc_interpret_character): Likewise.
1479         * target-memory.h (gfc_encode_character): Update prototype.
1480         (gfc_interpret_character): Likewise.
1481         (gfc_target_interpret_expr): Likewise.
1482         * trans-const.c (gfc_build_string_const): Use size_t for length
1483         argument.
1484         (gfc_build_wide_string_const): Likewise.
1485         * trans-const.h (gfc_build_string_const): Likewise.
1486         (gfc_build_wide_string_const): Likewise.
1487
1488 2018-01-20  Steven G. Kargl  <kargl@gcc.gnu.org>
1489
1490         PR fortran/83900
1491     * simplify.c (gfc_simplify_matmul): Set return type correctly.
1492
1493 2018-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>
1494
1495         PR fortran/83900
1496         * simplify.c (gfc_simplify_matmul): Delete bogus assertion.
1497
1498 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1499
1500         PR fortran/83864
1501         * expr.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1502
1503 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1504
1505         PR fortran/83874
1506         * decl.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1507
1508 2018-01-15  Louis Krupp  <louis.krupp@zoho.com>
1509
1510         PR fortran/82257
1511         * interface.c (compare_rank): Don't try to retrieve CLASS_DATA
1512         from symbol marked unlimited polymorphic.
1513         * resolve.c (resolve_structure_cons): Likewise.
1514         * misc.c (gfc_typename): Don't dereference derived->components
1515         if it's NULL.
1516
1517 2018-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
1518
1519         PR fortran/54613
1520         * gfortran.h (gfc_check_f): Rename f4ml to f5ml.
1521         (gfc_logical_4_kind): New macro
1522         * intrinsic.h (gfc_simplify_minloc): Add a gfc_expr *argument.
1523         (gfc_simplify_maxloc): Likewise.
1524         (gfc_resolve_maxloc): Likewise.
1525         (gfc_resolve_minloc): Likewise.
1526         * check.c (gfc_check_minloc_maxloc): Add checking for "back"
1527         argument; also raise error if it is used (for now). Add it
1528         if it isn't present.
1529         * intrinsic.c (add_sym_4ml): Rename to
1530         (add_sym_5ml), adjust for extra argument.
1531         (add_functions): Add "back" constant. Adjust maxloc and minloc
1532         for back argument.
1533         * iresolve.c (gfc_resolve_maxloc): Add back argument. If back is
1534         not of gfc_logical_4_kind, convert.
1535         (gfc_resolve_minloc): Likewise.
1536         * simplify.c (gfc_simplify_minloc): Add back argument.
1537         (gfc_simplify_maxloc): Likewise.
1538         * trans-intinsic.c (gfc_conv_intrinsic_minmaxloc): Rename last
1539         argument to %VAL to ensure passing by value.
1540         (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_minmaxloc
1541         also for library calls.
1542
1543 2018-01-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1544
1545         PR fortran/82007
1546         * resolve.c (resolve_transfer): Delete code looking for 'DT'
1547         format specifiers in format strings. Set formatted to true if a
1548         format string or format label is present.
1549         * trans-io.c (get_dtio_proc): Likewise. (transfer_expr): Fix
1550         whitespace.
1551
1552 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1553
1554         PR fortran/83744
1555         * dump-parse-tree.c (get_c_type_name): Remove extra line.
1556         Change for loop to use declaration in for loop. Handle BT_LOGICAL
1557         and BT_CHARACTER.
1558         (write_decl): Add where argument. Fix indentation. Replace
1559         assert with error message. Add typename to warning
1560         in comment.
1561         (write_type): Adjust locus to call of write_decl.
1562         (write_variable): Likewise.
1563         (write_proc): Likewise. Replace assert with error message.
1564
1565 2018-01-13  Paul Thomas  <pault@gcc.gnu.org>
1566
1567         PR fortran/52162
1568         * trans-expr.c (gfc_trans_scalar_assign): Flag is_alloc_lhs if
1569         the rhs expression is neither an elemental nor a conversion
1570         function.
1571
1572         PR fortran/83622
1573         * trans-array.c (is_pointer_array): Remove unconditional return
1574         of false for -fopenmp.
1575
1576 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1577         <emsr@gcc.gnu.org>
1578
1579         PR fortran/83803
1580         * dump-parse-tree.c (write_proc): Always emit closing parenthesis
1581         for functions.
1582
1583 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1584
1585         PR fortran/82367
1586         * resolve.c (resolve_allocate_expr): Check for NULL pointer.
1587
1588 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1589
1590         PR fortran/83093
1591         * resolve.c (resolve_charlen): Check the type of cl->length
1592         after resolution.
1593
1594 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1595
1596         PR fortran/83740
1597         * trans-array.c (gfc_trans_array_ctor_element): Fix formatting.
1598
1599 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1600
1601         PR fortran/83740
1602         * trans-array.c (gfc_trans_array_ctor_element): Convert RHS to the
1603         LHS type when assigning.
1604
1605 2018-01-09  Steven G. Kargl  <kargl@gcc.gnu.org>
1606
1607         PR fortran/83742
1608         * expr.c (gfc_is_simply_contiguous): Check for NULL pointer.
1609
1610 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1611
1612         * match.c (gfc_match_allocate): Check for NULL pointer.
1613
1614 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1615
1616         * expr.c (gfc_check_pointer_assign): Fix typo in comment.
1617
1618 2018-01-08  Paul Thomas  <pault@gcc.gnu.org>
1619
1620         PR fortran/83611
1621         * decl.c (gfc_get_pdt_instance): If parameterized arrays have
1622         an initializer, convert the kind parameters and add to the
1623         component if the instance.
1624         * trans-array.c (structure_alloc_comps): Add 'is_pdt_type' and
1625         use it with case COPY_ALLOC_COMP. Call 'duplicate_allocatable'
1626         for parameterized arrays. Clean up typos in comments. Convert
1627         parameterized array initializers and copy into the array.
1628         * trans-expr.c (gfc_trans_scalar_assign): Do a deep copy for
1629         parameterized types.
1630         *trans-stmt.c (trans_associate_var): Deallocate associate vars
1631         as necessary, when they are PDT function results for example.
1632
1633         PR fortran/83731
1634         * trans-array.c (structure_alloc_comps): Only compare len parms
1635         when they are declared explicitly.
1636
1637 2018-01-06  Janne Blomqvist  <jb@gcc.gnu.org>
1638
1639         PR fortran/50892
1640         * trans-expr.c (gfc_trans_pointer_assignment): fold_convert rhs to
1641         lhs type.
1642
1643 2018-01-05  Janne Blomqvist  <jb@gcc.gnu.org>
1644
1645         PR fortran/78534
1646         PR fortran/66310
1647         * array.c (got_charlen): Use gfc_charlen_int_kind.
1648         * class.c (gfc_find_derived_vtab): Use gfc_size_kind instead of
1649         hardcoded kind.
1650         (find_intrinsic_vtab): Likewise.
1651         * decl.c (match_char_length): Use gfc_charlen_int_kind.
1652         (add_init_expr_to_sym): Use gfc_charlen_t and gfc_charlen_int_kind.
1653         (gfc_match_implicit): Use gfc_charlen_int_kind.
1654         * dump-parse-tree.c (show_char_const): Use gfc_charlen_t and size_t.
1655         (show_expr): Use HOST_WIDE_INT_PRINT_DEC.
1656         * expr.c (gfc_get_character_expr): Length parameter of type
1657         gfc_charlen_t.
1658         (gfc_get_int_expr): Value argument of type HOST_WIDE_INT.
1659         (gfc_extract_hwi): New function.
1660         (simplify_const_ref): Make string_len of type gfc_charlen_t.
1661         (gfc_simplify_expr): Use HOST_WIDE_INT for substring refs.
1662         * frontend-passes.c (optimize_trim): Use gfc_charlen_int_kind.
1663         * gfortran.h (gfc_mpz_get_hwi): New prototype.
1664         (gfc_mpz_set_hwi): Likewise.
1665         (gfc_charlen_t): New typedef.
1666         (gfc_expr): Use gfc_charlen_t for character lengths.
1667         (gfc_size_kind): New extern variable.
1668         (gfc_extract_hwi): New prototype.
1669         (gfc_get_character_expr): Use gfc_charlen_t for character length.
1670         (gfc_get_int_expr): Use HOST_WIDE_INT type for value argument.
1671         * gfortran.texi: Update description of hidden string length argument.
1672         * iresolve.c (check_charlen_present): Use gfc_charlen_int_kind.
1673         (gfc_resolve_char_achar): Likewise.
1674         (gfc_resolve_repeat): Pass string length directly without
1675         temporary, use gfc_charlen_int_kind.
1676         (gfc_resolve_transfer): Use gfc_charlen_int_kind.
1677         * match.c (select_intrinsic_set_tmp): Use HOST_WIDE_INT for charlen.
1678         * misc.c (gfc_mpz_get_hwi): New function.
1679         (gfc_mpz_set_hwi): New function.
1680         * module.c (atom_int): Change type from int to HOST_WIDE_INT.
1681         (parse_integer): Don't complain about large integers.
1682         (write_atom): Use HOST_WIDE_INT for integers.
1683         (mio_integer): Handle integer type mismatch.
1684         (mio_hwi): New function.
1685         (mio_intrinsic_op): Use HOST_WIDE_INT.
1686         (mio_array_ref): Likewise.
1687         (mio_expr): Likewise.
1688         * primary.c (match_substring): Use gfc_charlen_int_kind.
1689         * resolve.c (resolve_substring_charlen): Use gfc_charlen_int_kind.
1690         (resolve_character_operator): Likewise.
1691         (resolve_assoc_var): Likewise.
1692         (resolve_select_type): Use HOST_WIDE_INT for charlen, use snprintf.
1693         (resolve_charlen): Use mpz_sgn to determine sign.
1694         * simplify.c (gfc_simplify_repeat): Use HOST_WIDE_INT/gfc_charlen_t
1695         instead of long.
1696         * symbol.c (generate_isocbinding_symbol): Use gfc_charlen_int_kind.
1697         * target-memory.c (size_character): Length argument of type
1698         gfc_charlen_t.
1699         (gfc_encode_character): Likewise.
1700         (gfc_interpret_character): Use gfc_charlen_t.
1701         * target-memory.h (gfc_encode_character): Modify prototype.
1702         * trans-array.c (gfc_trans_array_ctor_element): Use existing type.
1703         (get_array_ctor_var_strlen): Use gfc_conv_mpz_to_tree_type.
1704         (trans_array_constructor): Use existing type.
1705         (get_array_charlen): Likewise.
1706         * trans-const.c (gfc_conv_mpz_to_tree_type): New function.
1707         * trans-const.h (gfc_conv_mpz_to_tree_type): New prototype.
1708         * trans-decl.c (gfc_trans_deferred_vars): Use existing type.
1709         (add_argument_checking): Likewise.
1710         * trans-expr.c (gfc_class_len_or_zero_get): Build const of type
1711         gfc_charlen_type_node.
1712         (gfc_conv_intrinsic_to_class): Use gfc_charlen_int_kind instead of
1713         4, fold_convert to correct type.
1714         (gfc_conv_class_to_class): Build const of type size_type_node for
1715         size.
1716         (gfc_copy_class_to_class): Likewise.
1717         (gfc_conv_string_length): Use same type in expression.
1718         (gfc_conv_substring): Likewise, use HOST_WIDE_INT for charlen.
1719         (gfc_conv_string_tmp): Make sure len is of the right type.
1720         (gfc_conv_concat_op): Use same type in expression.
1721         (gfc_conv_procedure_call): Likewise.
1722         (fill_with_spaces): Comment out memset() block due to spurious
1723         -Wstringop-overflow warnings.
1724         (gfc_trans_string_copy): Use gfc_charlen_type_node.
1725         (alloc_scalar_allocatable_for_subcomponent_assignment):
1726         fold_convert to right type.
1727         (gfc_trans_subcomponent_assign): Likewise.
1728         (trans_class_vptr_len_assignment): Build const of correct type.
1729         (gfc_trans_pointer_assignment): Likewise.
1730         (alloc_scalar_allocatable_for_assignment): fold_convert to right
1731         type in expr.
1732         (trans_class_assignment): Build const of correct type.
1733         * trans-intrinsic.c (gfc_conv_associated): Likewise.
1734         (gfc_conv_intrinsic_repeat): Do calculation in sizetype.
1735         * trans-io.c (gfc_build_io_library_fndecls): Use
1736         gfc_charlen_type_node for character lengths.
1737         (set_string): Convert to right type in assignment.
1738         * trans-stmt.c (gfc_trans_label_assign): Build const of
1739         gfc_charlen_type_node.
1740         (trans_associate_var): Likewise.
1741         (gfc_trans_character_select): Likewise.
1742         (gfc_trans_allocate): Likewise, don't typecast strlen result.
1743         (gfc_trans_deallocate): Don't typecast strlen result.
1744         * trans-types.c (gfc_size_kind): New variable.
1745         (gfc_init_types): Determine gfc_charlen_int_kind and gfc_size_kind
1746         from size_type_node.
1747         * trans-types.h: Fix comment.
1748
1749 2018-01-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
1750
1751         PR fortran/83683
1752         PR fortran/45689
1753         * check.c (gfc_check_eoshift): Check for string length and
1754         for conformance of boundary.
1755         * intrinsic.c (add_functions): Add gfc_simplify_eoshift.
1756         * intrinsic.h: Add prototype for gfc_simplify_eoshift.
1757         * simplify.c (gfc_simplify_eoshift): New function.
1758
1759 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1760             Alan Hayward  <alan.hayward@arm.com>
1761             David Sherwood  <david.sherwood@arm.com>
1762
1763         * trans-types.c (gfc_type_for_mode): Handle MODE_VECTOR_BOOL.
1764
1765 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1766             Alan Hayward  <alan.hayward@arm.com>
1767             David Sherwood  <david.sherwood@arm.com>
1768
1769         * trans-types.c (gfc_type_for_mode): Check valid_vector_subparts_p.
1770
1771 2018-01-03  Thomas Koenig  <tkoenig@gcc.gnu.org>
1772
1773         PR fortran/83664
1774         * check.c (gfc_check_eoshift): Error for missing boundary if array
1775         is not one of the standard types.
1776
1777 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1778
1779         Update copyright years.
1780
1781         * gfortranspec.c (lang_specific_driver): Update copyright notice
1782         dates.
1783         * gfc-internals.texi: Bump @copying's copyright year.
1784         * gfortran.texi: Ditto.
1785         * intrinsic.texi: Ditto.
1786         * invoke.texi: Ditto.
1787
1788 2017-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1789
1790         PR fortran/45689
1791         * intrinsic.c (add_function): Add gfc_simplify_maxloc and
1792         gfc_simplify_minloc to maxloc and minloc, respectively.
1793         * intrinsic.h: Add prototypes for gfc_simplify_minloc
1794         and gfc_simplify_maxloc.
1795         * simplify.c (min_max_chose): Adjust prototype.  Modify function
1796         to have a return value which indicates if the extremum was found.
1797         (is_constant_array_expr): Fix typo in comment.
1798         (simplify_minmaxloc_to_scalar): New function.
1799         (simplify_minmaxloc_nodim): New function.
1800         (new_array): New function.
1801         (simplify_minmaxloc_to_array): New function.
1802         (gfc_simplify_minmaxloc): New function.
1803         (simplify_minloc): New function.
1804         (simplify_maxloc): New function.
1805
1806 2018-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1807
1808         PR fortran/45689
1809         PR fortran/83650
1810         * simplify.c (gfc_simplify_cshift): Re-implement to allow full
1811         range of arguments.
1812
1813 2018-01-01  Paul Thomas  <pault@gcc.gnu.org>
1814
1815         PR fortran/83076
1816         * resolve.c (resolve_fl_derived0): Add caf_token fields for
1817         allocatable and pointer scalars, when -fcoarray selected.
1818         * trans-types.c (gfc_copy_dt_decls_ifequal): Copy the token
1819         field as well as the backend_decl.
1820         (gfc_get_derived_type): Flag GFC_FCOARRAY_LIB for module
1821         derived types that are not vtypes. Components with caf_token
1822         attribute are pvoid types. For a component requiring it, find
1823         the caf_token field and have the component token field point to
1824         its backend_decl.
1825
1826         PR fortran/83319
1827         *trans-types.c (gfc_get_array_descriptor_base): Add the token
1828         field to the descriptor even when codimen not set.
1829 \f
1830 Copyright (C) 2018 Free Software Foundation, Inc.
1831
1832 Copying and distribution of this file, with or without modification,
1833 are permitted in any medium without royalty provided the copyright
1834 notice and this notice are preserved.