gcc/fortran/ChangeLog

   1 2018-08-16  Nathan Sidwell  <nathan@acm.org>
   2
   3         * cpp.c (dump_macro): Use cpp_user_macro_p.
   4
   5 2018-08-14  Janus Weil  <janus@gcc.gnu.org>
   6
   7         PR fortran/86116
   8         * interface.c (compare_type): Remove a CLASS/TYPE check.
   9         (compare_type_characteristics): New function that behaves like the old
  10         'compare_type'.
  11         (gfc_check_dummy_characteristics, gfc_check_result_characteristics):
  12         Call 'compare_type_characteristics' instead of 'compare_type'.
  13
  14 2018-08-12  Paul Thomas  <pault@gcc.gnu.org>
  15
  16         PR fortran/66679
  17         * trans-intrinsic.c (gfc_conv_intrinsic_transfer): Class array
  18         elements are returned as references to the data element. Get
  19         the class expression by stripping back the references. Use this
  20         for the element size.
  21
  22 2018-08-12  Paul Thomas  <pault@gcc.gnu.org>
  23
  24         PR fortran/86906
  25         * resolve.c (resolve_fl_variable_derived): Check if the derived
  26         type is use associated before checking for the host association
  27         error.
  28
  29 2018-08-10  Janus Weil  <janus@gcc.gnu.org>
  30
  31         PR fortran/57160
  32         * invoke.texi (frontend-optimize): Mention short-circuiting.
  33         * options.c (gfc_post_options): Disable -ffrontend-optimize with -Og.
  34         * resolve.c (resolve_operator): Warn about short-circuiting only with
  35         -ffrontend-optimize.
  36         * trans-expr.c (gfc_conv_expr_op): Use short-circuiting operators only
  37         with -ffrontend-optimize. Without that flag, make sure that both
  38         operands are evaluated.
  39
  40 2018-08-08  Nathan Sidwell  <nathan@acm.org>
  41
  42         * cpp.c (cb_file_change): Use linemap_included_from.
  43
  44 2018-08-07  Cesar Philippidis  <cesar@codesourcery.com>
  45
  46         * trans-stmt.h: Remove stale reference to trans-openacc.c.
  47
  48 2018-08-04  Janus Weil  <janus@gcc.gnu.org>
  49
  50         PR fortran/45521
  51         * interface.c (gfc_compare_interfaces): Apply additional
  52         distinguishability criteria of F08 to operator interfaces.
  53
  54 2018-07-31  Andre Vieira  <andre.simoesdiasvieira@arm.com>
  55
  56         Revert 'AsyncI/O patch committed'
  57         2018-07-25  Nicolas Koenig  <koenigni@gcc.gnu.org>
  58                 Thomas Koenig <tkoenig@gcc.gnu.org>
  59
  60         PR fortran/25829
  61         * gfortran.texi: Add description of asynchronous I/O.
  62         * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
  63         as volatile.
  64         * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
  65         st_wait_async and change argument spec from ".X" to ".w".
  66         (gfc_trans_wait): Pass ID argument via reference.
  67
  68 2018-07-25  Nicolas Koenig  <koenigni@gcc.gnu.org>
  69         Thomas Koenig <tkoenig@gcc.gnu.org>
  70
  71         PR fortran/25829
  72         * gfortran.texi: Add description of asynchronous I/O.
  73         * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
  74         as volatile.
  75         * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
  76         st_wait_async and change argument spec from ".X" to ".w".
  77         (gfc_trans_wait): Pass ID argument via reference.
  78
  79 2018-07-20  Martin Sebor  <msebor@redhat.com>
  80
  81         PR middle-end/82063
  82         * gfortran.h (gfc_handle_option): Change function argument
  83         to HOST_WIDE_INT.
  84         * options.c (gfc_handle_option): Same.
  85
  86 2018-07-20  Andrew Benson  <abenson@carnegiescience.edu>
  87
  88         * gfortran.h (gfc_symbol): Add pointer to next derived type.
  89         (gfc_dt_list, gfc_get_dt_list): Remove.
  90         (gfc_namespace): Replace gfc_dt_list with gfc_symbol.
  91         * parse.c (resolve_all_program_units): Replace gfc_free_dt_list() with
  92         simple nullification of gfc_derived_types.
  93         * resolve.c (resolve_global_procedure): Replace gfc_dt_list with
  94         gfc_symbol.
  95         (add_dt_to_dt_list): Change derived type linked list insertion to
  96         utilize dt_next pointers in gfc_symbol.
  97         * symbol.c (gfc_new_symbol, gfc_free_dt_list, gfc_symbol_done2)
  98         (get_iso_c_binding_dt, generate_isocbinding_symbol): Remove
  99         gfc_free_dt_list as gfc_dt_list is obsoleted. Change derived type
 100         linked list search/insertion to utilize dt_next pointers in gfc_symbol.
 101         * trans-types.c (gfc_get_derived_type): Change derived type linked
 102         list search to utilize dt_next pointers in gfc_symbol.
 103
 104 2018-07-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 105
 106         * trans-intrinsic.c: (gfc_conv_intrinsic_minmax): Emit MIN_MAX_EXPR
 107         or IFN_FMIN/FMAX sequence to calculate the min/max when possible.
 108
 109 2018-07-18  Janus Weil  <janus@gcc.gnu.org>
 110             Thomas Koenig  <tkoenig@gcc.gnu.org>
 111
 112         PR fortran/85599
 113         * dump-parse-tree.c (show_attr): Add handling of implicit_pure.
 114         * frontend-passes.c (do_warn_function_elimination): Do not warn for
 115         pure functions.
 116         * gfortran.h: Add prototypes for gfc_pure_function and
 117         gfc_implicit_pure_function.
 118         * gfortran.texi: Add chapter on evaluation of logical expressions.
 119         * invoke.texi: Mention that -Wfunction-elimination is implied
 120         by -Wextra.
 121         * lang.opt: Make -Wextra imply -Wfunction-elimination.
 122         * resolve.c (pure_function): Rename to gfc_pure_function.
 123         (gfc_implicit_pure_function): New function.
 124         (check_pure_function): Use it here.
 125         (impure_function_callback): New function.
 126         (resolve_operator): Call it via gfc_expr_walker.
 127
 128 2018-07-16  Fritz Reese  <fritzoreese@gmail.com>
 129
 130         PR fortran/83184
 131         * decl.c (match_old_style_init): Initialize locus of variable expr when
 132         creating a data variable.
 133         (match_clist_expr): Verify array is explicit shape/size before
 134         attempting to allocate constant array constructor.
 135
 136 2018-07-16  Fritz Reese  <fritzoreese@gmail.com>
 137
 138         PR fortran/86417
 139         * module.c (mio_component): Set component->loc when loading from module.
 140
 141 2018-07-10  Jakub Jelinek  <jakub@redhat.com>
 142
 143         PR fortran/86421
 144         * module.c (omp_declare_simd_clauses): Add LINEAR with _REF, _VAL and
 145         _UVAL suffixes.
 146         (mio_omp_declare_simd): Save and restore ref, val and uval modifiers
 147         on linear clauses.  Initialize n->where to gfc_current_locus.
 148
 149 2018-07-05  Paul Thomas  <pault@gcc.gnu.org>
 150
 151         PR fortran/86408
 152         * resolve.c.c (resolve_contained_fntype): Reference to C418 is
 153         in F2008 and not F2003.
 154         (resolve_function): Ditto in error message. Also, exclude
 155         deferred character length results from the error.
 156
 157 2018-07-05  Fritz Reese  <fritzoreese@gmail.com>
 158
 159         PR fortran/83183
 160         PR fortran/86325
 161         * expr.c (class_allocatable, class_pointer, comp_allocatable,
 162         comp_pointer): New helpers.
 163         (component_initializer): Generate EXPR_NULL for allocatable or pointer
 164         components. Do not generate initializers for components within BT_CLASS.
 165         Do not assign to comp->initializer.
 166         (gfc_generate_initializer): Use new helpers; move code to generate
 167         EXPR_NULL for class allocatable components into component_initializer().
 168
 169 2018-07-04  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 170
 171         PR fortran/82009
 172         * trans-decl.c (gfc_process_block_locals): Delete assert and set
 173         saved_local_decls = NULL_TREE.
 174
 175 2018-07-02  Richard Biener  <rguenther@suse.de>
 176
 177         PR lto/86321
 178         * trans-types.c (gfc_get_array_type_bounds): Unshare TYPE_FIELDs
 179         for the distinct type copy.
 180
 181 2018-07-02  Paul Thomas  <pault@gcc.gnu.org>
 182
 183         PR fortran/82969
 184         PR fortran/86242
 185         * trans-array.c (structure_alloc_comps): Do not explicitly copy
 186         procedure pointer components.
 187
 188 2018-07-02  Paul Thomas  <pault@gcc.gnu.org>
 189
 190         PR fortran/45305
 191         * expr.c : Add a prototype for scalarize_intrinsic_call.
 192         (gfc_simplify_expr): Use scalarize_intrinsic_call for elemental
 193         intrinsic function calls.
 194         (scalarize_intrinsic_call): Add 'init_flag' argument. Check if
 195         the expression or any of the actual argument expressions are
 196         NULL. Before calling gfc_check_init_expr, check 'init_flag'.
 197         Only simplify the scalarized expressions if there are no errors
 198         on the stack.
 199         (gfc_check_init_expr): Set 'init_flag' true in the call to
 200         scalarize_intrinsic_call.
 201
 202 2018-06-28  Fritz Reese  <fritzoreese@gmail.com>
 203
 204         PR fortran/82865
 205         * decl.c (gfc_match_type): Refactor and check for PDT declarations.
 206
 207 2018-06-28  Martin Liska  <mliska@suse.cz>
 208
 209         * gfortranspec.c: Include opt-suggestions.h.
 210
 211 2018-06-25  Fritz Reese  <fritzoreese@gmail.com>
 212
 213         PR fortran/82972
 214         PR fortran/83088
 215         PR fortran/85851
 216         * expr.c (component_initializer): Assign init expr to c->initializer.
 217         (generate_isocbinding_initializer): New.
 218         (gfc_generate_initializer): Call generate_isocbinding_initializer to
 219         generate initializers for c_ptr and c_funptr with -finit-derived.
 220
 221 2018-06-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 222
 223         PR fortran/85983
 224         * interface.c (check_dtio_interface1): Delete assert.
 225
 226 2018-06-22  Paul Thomas  <pault@gcc.gnu.org>
 227             Rainer Orth  <ro@gcc.gnu.org>
 228
 229         PR fortran/86281
 230         * resolve.c (resolve_contained_fntype): Check for the charlen
 231         before testing the length.
 232
 233 2018-06-21  Paul Thomas  <pault@gcc.gnu.org>
 234
 235         PR fortran/49630
 236         * resolve.c (resolve_contained_fntype): Change standard ref.
 237         from F95 to F2003: C418. Correct a spelling error in a comment.
 238         It is an error for an abstract interface to have an assumed
 239         character length result.
 240         * trans-expr.c (gfc_conv_procedure_call): Likewise change the
 241         standard reference.
 242
 243 2018-06-21  Paul Thomas  <pault@gcc.gnu.org>
 244
 245         PR fortran/83118
 246         * resolve.c (resolve_ordinary_assign): Force the creation of a
 247         vtable for assignment of non-polymorphic expressions to an
 248         unlimited polymorphic object.
 249         * trans-array.c (gfc_alloc_allocatable_for_assignment): Use the
 250         size of the rhs type for such assignments. Set the dtype, _len
 251         and vptrs appropriately.
 252         * trans-expr.c (gfc_trans_assignment): Force the use of the
 253         _copy function for these assignments.
 254
 255 2018-06-20  Chung-Lin Tang <cltang@codesourcery.com>
 256             Thomas Schwinge <thomas@codesourcery.com>
 257             Cesar Philippidis  <cesar@codesourcery.com>
 258
 259         * gfortran.h (gfc_omp_clauses): Add unsigned if_present, finalize
 260         bitfields.
 261         * openmp.c (enum omp_mask2): Remove OMP_CLAUSE_PRESENT_OR_*. Add
 262         OMP_CLAUSE_{IF_PRESENT,FINALIZE}.
 263         (gfc_match_omp_clauses): Update handling of copy, copyin, copyout,
 264         create, deviceptr, present_of_*. Add support for finalize and
 265         if_present.
 266         (OACC_PARALLEL_CLAUSES): Remove PRESENT_OR_* clauses.
 267         (OACC_KERNELS_CLAUSES): Likewise.
 268         (OACC_DATA_CLAUSES): Likewise.
 269         (OACC_DECLARE_CLAUSES): Likewise.
 270         (OACC_UPDATE_CLAUSES): Add IF_PRESENT clause.
 271         (OACC_ENTER_DATA_CLAUSES): Remove PRESENT_OR_* clauses.
 272         (OACC_EXIT_DATA_CLAUSES): Add FINALIZE clause.
 273         (gfc_match_oacc_declare): Update to OpenACC 2.5 semantics.
 274         * trans-openmp.c (gfc_trans_omp_clauses): Add support for IF_PRESENT
 275         and FINALIZE.
 276
 277 2018-06-18  Eric Botcazou  <ebotcazou@adacore.com>
 278
 279         * trans-decl.c (gfc_get_fake_result_decl): Revert latest change.
 280
 281 2018-06-17  Eric Botcazou  <ebotcazou@adacore.com>
 282
 283         * trans-decl.c (nonlocal_dummy_decl_pset): Delete.
 284         (nonlocal_dummy_decls): Likewise.
 285         (gfc_nonlocal_dummy_array_decl): Likewise.
 286         (gfc_get_symbol_decl): Do not call gfc_nonlocal_dummy_array_decl.
 287         (gfc_get_fake_result_decl): Do not generate a new DECL if simply
 288         reusing the result of a recursive call.
 289         (gfc_generate_function_code): Do not create, insert and destroy
 290         nonlocal_dummy_decls.
 291
 292 2018-06-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 293
 294         PR fortran/86110
 295         * array.c (gfc_resolve_character_array_constructor): Avoid NULL
 296         pointer dereference.
 297
 298 2018-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 299
 300         PR fortran/85703
 301         * parse.c (decode_oacc_directive): Set gfc_matching_function
 302         to false.
 303         (decode_omp_directive): Likewise.
 304
 305 2018-06-13  Cesar Philippidis  <cesar@codesourcery.com>
 306
 307         PR fortran/85702
 308         * openmp.c (gfc_match_oacc_wait): Use %C to report error location.
 309
 310 2018-06-12  David Malcolm  <dmalcolm@redhat.com>
 311
 312         PR other/69968
 313         * misc.c (gfc_closest_fuzzy_match): Update for renaming of
 314         levenshtein_distance to get_edit_distance.
 315
 316 2018-06-12  Steven G. Kargl  <kargl@gcc.gnu.org>
 317
 318         PR fortran/44491
 319         * expr.c (gfc_check_assign): Select non-NULL locus.
 320
 321 2018-06-11  Janus Weil  <janus@gcc.gnu.org>
 322
 323         PR fortran/45521
 324         * interface.c (compare_ptr_alloc): New function.
 325         (generic_correspondence): Call it.
 326
 327 2018-06-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 328
 329         * gfortran.h (gfc_expr): Add no_bounds_check field.
 330         * frontend-passes.c (get_array_inq_function): Set no_bounds_check
 331         on function and function argument.
 332         (inline_matmul_assign): Set no_bounds_check on zero expression
 333         and on lhs of zero expression.
 334         Also handle A1B2 case if realloc on assigment is active.
 335         * trans-array.c (gfc_conv_array_ref): Don't do range checking
 336         if expr has no_bounds_check set.
 337         (gfc_conv_expr_descriptor): Set no_bounds_check on ss if expr
 338         has it set.
 339         * trans-expr.c (gfc_trans_assignment_1): Set no_bounds_check
 340         on lss and lss if the corresponding expressions have it set.
 341
 342 2018-06-10  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 343
 344         PR fortran/79854
 345         * trans-const.c: Remove include "diagnostic-core.h".
 346         (gfc_conv_constant_to_tree): Replace fatal_error with gcc_unreachable.
 347
 348 2018-06-10  Janus Weil  <janus@gcc.gnu.org>
 349
 350         PR fortran/85088
 351         * decl.c (match_attr_spec): Synchronize the DECL_* enum values with the
 352         INTENT_* values from the enum 'sym_intent'. Call 'match_intent_spec'
 353         and remove a TODO note.
 354         * gfortran.h: Add a comment to sym_intent.
 355
 356 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 357
 358         PR fortran/38351
 359         * resolve.c (resolve_operator): Provide better error message for
 360         derived type entity used in an binary intrinsic numeric operator.
 361
 362 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 363
 364         PR fortran/85138
 365         PR fortran/85996
 366         PR fortran/86051
 367         * decl.c (gfc_match_char_spec): Use private namespace in attempt to
 368         reduce a charlen to a constant.
 369
 370 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 371
 372         PR fortran/78278
 373         * data.c (gfc_assign_data_value): Re-arrange code to allow for
 374         an error for double initialization of CHARACTER entities.
 375
 376 2018-06-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 377
 378         PR fortran/63514
 379         * symbol.c (gfc_add_volatile): Enforce F2008:C1282 and F2018:C1588.
 380
 381 2018-06-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 382
 383         PR fortran/85631
 384         * trans.h (gfc_ss): Add field no_bounds_check.
 385         * trans-array.c (gfc_conv_ss_startstride): If flag_realloc_lhs and
 386         ss->no_bounds_check is set, do not use runtime checks.
 387         * trans-expr.c (gfc_trans_assignment_1): Set lss->no_bounds_check
 388         for reallocatable lhs.
 389
 390 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 391
 392         PR fortran/86059
 393         * array.c (match_array_cons_element): NULL() cannot be in an
 394         array constructor.
 395
 396 2018-06-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 397
 398         PR fortran/78571
 399         * data.c (create_character_initializer): Return early if type is
 400         incompatible with CHARACTER.
 401
 402 2018-06-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 403
 404         PR fortran/86045
 405         * simplify.c (gfc_simplify_mod): Re-arrange code to test whether
 406         'P' is zero and issue an error if it is.
 407
 408 2018-06-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 409
 410         PR fortran/85641
 411         * frontend-passes.c (is_fe_temp): Add prototype.
 412         (realloc_string_callback): Early return for frontend-generated
 413         temporary.
 414
 415 2018-06-05  Cesar Philippidis  <cesar@codesourcery.com>
 416
 417         PR fortran/85701
 418
 419         * openmp.c (gfc_resolve_oacc_declare): Error on functions and
 420         subroutine data clause arguments.
 421
 422 2018-06-04  Steven G. Kargl  <kargl@gcc.gnu.org>
 423
 424         PR fortran/85981
 425         * resolve.c (resolve_allocate_deallocate): Check errmsg is default
 426         character kind.
 427
 428 2018-06-03  Paul Thomas  <pault@gcc.gnu.org>
 429
 430         PR fortran/36497
 431         * decl.c (variable_decl): Use gfc_add_type for cray pointees.
 432
 433 2018-06-01  Steven G. Kargl  <kargl@gcc.gnu.org>
 434
 435         PR fortran/63570
 436         * check.c (gfc_check_random_init): New function. Check arguments of
 437         RANDOM_INIT.
 438         * gfortran.h (GFC_ISYM_RANDOM_INIT): New enum token.
 439         * intrinsic.c (add_subroutines): Add RANDOM_INIT to list of
 440         subroutines.
 441         (gfc_check_intrinsic_standard): Introduce Fortran 2018 check.
 442         * intrinsic.h: Add prototypes for gfc_check_random_init and
 443         gfc_resolve_random_init
 444         * intrinsic.texi: Document new intrinsic subprogram.
 445         * iresolve.c (gfc_resolve_random_init): Resolve routine name.
 446         * trans-decl.c: Declare gfor_fndecl_random_init
 447         * trans-intrinsic.c (conv_intrinsic_random_init): New function.
 448         Translate call to RANDOM_INIT.
 449         (gfc_conv_intrinsic_subroutine): Call it.
 450         * trans.h: Declare gfor_fndecl_random_init
 451
 452 2018-05-27  Steven G. Kargl  <kargl@gcc.gnu.org>
 453
 454         * decl.c (match_data_constant):  Fortran 2018 allows pointer
 455         initialization in a data statement.
 456
 457 2018-05-25  Janus Weil  <janus@gcc.gnu.org>
 458
 459         PR fortran/85839
 460         * match.c (gfc_match_block_data): Call gfc_notify_std to warn about
 461         an obsolescent feature in Fortran 2018.
 462         (gfc_match_equivalence): Ditto.
 463         * resolve.c (resolve_common_blocks): Ditto.
 464         (gfc_resolve_forall): Ditto.
 465         * symbol.c (gfc_define_st_label): Ditto.
 466
 467 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 468
 469         PR fortran/85543
 470         * resolve.c (update_current_proc_array_outer_dependency): Avoid NULL
 471         pointer dereference.
 472
 473 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 474
 475         PR fortran/85780
 476         * resolve.c (resolve_fl_procedure): Avoid NULL dereference.
 477
 478 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 479
 480         PR fortran/85779
 481         * decl.c (gfc_match_derived_decl): Fix NULL point dereference.
 482
 483 2018-05-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 484
 485         PR fortran/85895
 486         * resolve.c (resolve_sync): Resolve expression before checking for
 487         an error.
 488
 489 2018-05-22  Janus Weil  <janus@gcc.gnu.org>
 490
 491         PR fortran/85841
 492         * libgfortran.h: Remove the macros GFC_STD_F2008_TS and
 493         GFC_STD_OPT_F08TS.
 494         * error.c (notify_std_msg): Remove GFC_STD_F2008_TS.
 495         * options.c (set_default_std_flags): Ditto.
 496         (gfc_handle_option): Make -std=f2008ts an alias for -std=f2018.
 497         * array.c (gfc_match_array_spec): Replace GFC_STD_F2008_TS by
 498         GFC_STD_F2018.
 499         * check.c (gfc_check_atomic, gfc_check_event_query,
 500         gfc_check_c_f_pointer, gfc_check_c_f_procpointer, gfc_check_c_funloc,
 501         gfc_check_c_loc, gfc_check_num_images, gfc_check_this_image): Ditto.
 502         * decl.c (gfc_verify_c_interop_param, gfc_match_decl_type_spec): Ditto.
 503         * intrinsic.c (add_functions, add_subroutines,
 504         gfc_check_intrinsic_standard): Ditto.
 505         * iso-c-binding.def: Ditto.
 506         * iso-fortran-env.def: Ditto.
 507         * match.c (gfc_match_event_post, gfc_match_event_wait,
 508         gfc_match_fail_image, gfc_match_form_team, gfc_match_change_team,
 509         gfc_match_end_team, gfc_match_sync_team): Ditto.
 510         * gfortran.texi: Remove mention of -std=f2008ts.
 511         Move TSs into F2018 section.
 512         * invoke.texi: Update documentation of -std=f2008ts.
 513
 514 2018-05-21  Janus Weil  <janus@gcc.gnu.org>
 515
 516         PR fortran/85841
 517         * libgfortran.h: New macros GFC_STD_OPT_*.
 518         * error.c (notify_std_msg): New function.
 519         (gfc_notify_std): Adjust such that it can handle combinations of
 520         GFC_STD_* flags in the 'std' argument, not just a single one.
 521         * match.c (match_arithmetic_if, gfc_match_if): Reject arithmetic if
 522         in Fortran 2018.
 523         (gfc_match_stopcode): Use GFC_STD_OPT_* macros.
 524         * options.c (set_default_std_flags): Warn for F2018 deleted features
 525         by default.
 526         (gfc_handle_option): F2018 deleted features are allowed in earlier
 527         standards.
 528         * symbol.c (gfc_define_st_label, gfc_reference_st_label): Reject
 529         nonblock do constructs in Fortran 2018.
 530
 531 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 532
 533         PR fortran/80657
 534         * resolve.c (flag_fn_result_spec): Use the 'sym' argument to
 535         test for self refs to the function result in the character len
 536         expression. If a self reference is found, emit an error and
 537         return true.
 538         (resolve_fntype): Use the function symbol in the calls to the
 539         above.
 540
 541 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 542
 543         PR fortran/49636
 544         * trans-array.c (gfc_get_array_span): Renamed from
 545         'get_array_span'.
 546         (gfc_conv_expr_descriptor): Change references to above.
 547         * trans-array.h : Add prototype for 'gfc_get_array_span'.
 548         * trans-intrinsic.c (gfc_conv_associated): Add pre and post
 549         blocks for 'arg1'.
 550         * trans-stmt.c (trans_associate_var): If the associate name is
 551         a subref array pointer, use gfc_get_array_span for the span.
 552
 553 2018-05-20  Paul Thomas  <pault@gcc.gnu.org>
 554
 555         PR fortran/82275
 556         * match.c (gfc_match_type_spec): Go through the array ref and
 557         decrement 'rank' for every dimension that is an element.
 558
 559 2018-05-19  Paul Thomas  <pault@gcc.gnu.org>
 560
 561         PR fortran/82923
 562         PR fortran/66694
 563         PR fortran/82617
 564         * trans-array.c (gfc_alloc_allocatable_for_assignment): Set the
 565         charlen backend_decl of the rhs expr to ss->info->string_length
 566         so that the value in the current scope is used.
 567
 568 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 569
 570         PR fortran/63529
 571         * gfortran.texi: Clarify documentation for Cray pointer and
 572         assumed-sized array.
 573
 574 2018-05-13  Paul Thomas  <pault@gcc.gnu.org>
 575
 576         PR fortran/85742
 577         * trans-types.c (gfc_get_dtype_rank_type): Reorder evaluation
 578         of 'size'. If the element type is a pointer use the size of the
 579         TREE_TYPE of the type, unless it is VOID_TYPE. In this latter
 580         case, set the size to zero.
 581
 582 2018-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 583
 584         * gfortran.h: Remove prototype.
 585         * symbol.c (gfc_new_undo_checkpoint): Remove unused function.
 586
 587 2018-05-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 588
 589         PR fortran/85542
 590         * expr.c (check_inquiry): Avoid NULL pointer dereference.
 591
 592 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 593
 594         PR fortran/85687
 595         * check.c (gfc_check_rank): Check that the argument is a data object.
 596
 597 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 598
 599         PR fortran/85521
 600         * array.c (gfc_resolve_character_array_constructor): Substrings
 601         with upper bound smaller than lower bound are zero length strings.
 602
 603 2018-05-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 604
 605         PR fortran/70870
 606         * data.c (gfc_assign_data_value): Check that a data object does
 607         not also have default initialization.
 608
 609 2018-05-10  Marek Polacek  <polacek@redhat.com>
 610
 611         PR fortran/85735
 612         * options.c (gfc_post_options): Set main_input_filename.
 613
 614 2018-05-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 615
 616         PR fortran/54613
 617         * intrinsic.texi: Document BACK for MINLOC and MAXLOC.
 618
 619 2018-05-10  Paul Thomas  <pault@gcc.gnu.org>
 620
 621         PR fortran/68846
 622         PR fortran/70864
 623         * resolve.c (get_temp_from_expr): The temporary must not have
 624         dummy or intent attributes.
 625
 626 2018-05-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 627
 628         PR fortran/54613
 629         * check.c (gfc_check_minmaxloc): Remove error for BACK not being
 630         implemented.  Use gfc_logical_4_kind for BACK.
 631         * simplify.c (min_max_choose): Add optional argument back_val.
 632         Handle it.
 633         (simplify_minmaxloc_to_scalar): Add argument back_val. Pass
 634         back_val to min_max_choose.
 635         (simplify_minmaxloc_to_nodim): Likewise.
 636         (simplify_minmaxloc_to_array): Likewise.
 637         (gfc_simplify_minmaxloc): Add argument back, handle it.
 638         Pass back_val to specific simplification functions.
 639         (gfc_simplify_minloc): Remove ATTRIBUTE_UNUSED from argument back,
 640         pass it on to gfc_simplify_minmaxloc.
 641         (gfc_simplify_maxloc): Likewise.
 642         * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Adjust
 643         comment. If BACK is true, use greater or equal (or lesser or
 644         equal) insteal of greater (or lesser). Mark the condition of
 645         having found a value which exceeds the limit as unlikely.
 646
 647 2018-05-07  Jeff Law  <law@redhat.comg>
 648
 649         * scanner.c (preprocessor_line): Call linemap_add after a line
 650         directive that changes the current filename.
 651
 652 2018-05-06  Andre Vehreschild  <vehre@gcc.gnu.org>
 653
 654         PR fortran/85507
 655         * dependency.c (gfc_dep_resolver): Revert looking at coarray dimension
 656         introduced by r259385.
 657         * trans-intrinsic.c (conv_caf_send): Always report a dependency for
 658         same variables in coarray assignments.
 659
 660 2018-05-02  Tom de Vries  <tom@codesourcery.com>
 661
 662         PR libgomp/82428
 663         * f95-lang.c (DEF_GOACC_BUILTIN_ONLY): Define.
 664
 665 2018-04-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 666
 667         PR fortran/85520
 668         * decl.c (gfc_match_char_spec): Check for negative length and set to 0.
 669
 670 2018-04-14  Andre Vehreschild  <vehre@gcc.gnu.org>
 671
 672         PR fortran/81773
 673         PR fortran/83606
 674         * dependency.c (gfc_dep_resolver): Coarray indexes are to be ignored
 675         during dependency computation.  They define no data dependency.
 676         * trans-array.c (conv_array_index_offset): The stride can not be set
 677         here, prevent fail.
 678         * trans-intrinsic.c (conv_caf_send): Add creation of temporary array
 679         for caf_get's result and copying to the array with vectorial
 680         indexing.
 681
 682 2018-04-14  Thomas Koenig  <tkoenig@gcc.gnu.org>
 683
 684         PR fortran/85387
 685         * frontend-passes.c (traverse_io_block): Check for start, end or
 686         stride being defined by an outer implied DO loop.
 687
 688 2018-04-12  Thomas Koenig  <tkoenig@gcc.gnu.org>
 689
 690         PR fortran/83064
 691         PR testsuite/85346
 692         * trans-stmt.c (gfc_trans_forall_loop): Use annot_expr_ivdep_kind
 693         for annotation and remove dependence on -ftree-parallelize-loops.
 694
 695 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
 696
 697         PR fortran/85313
 698         * openmp.c (resolve_omp_do): Remove bogus if (j < i) break;.
 699         (resolve_oacc_nested_loops): Likewise.  Formatting fix.
 700
 701 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 702
 703         PR fortran/83064
 704         * trans-stmt.c (gfc_trans_forall_loop): Remove annotation for
 705         parallell processing of DO CONCURRENT -ftree-parallelize-loops
 706         is set.
 707
 708 2018-04-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 709
 710         PR fortran/51260
 711         * resolve.c (resolve_variable): Simplify cases where access to a
 712         parameter array results in a single constant.
 713
 714 2018-04-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 715
 716         PR fortran/85102
 717         * decl.c (variable_decl): If upper or lower bounds simplify
 718         to a constant, use that.
 719
 720 2018-03-30  Paul Thomas  <pault@gcc.gnu.org>
 721
 722         PR fortran/84931
 723         * simplify.c (gfc_convert_constant): Handle case of array
 724         constructors within an array that has no iterator and improve
 725         the conciseness of this section of code.
 726
 727 2017-03-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
 728
 729         PR fortran/85111
 730         * array.c (gfc_resolve_character_array_constructor): Early
 731         exit for zero-size arrays.
 732         * simplify.c (simplify_transformation_to_array): Exit early
 733         if the result size is zero.
 734         (simplify_minmaxloc_to_array): Likewise.
 735
 736 2018-03-28  Mikael Morin  <mikael@gcc.gnu.org>
 737
 738         PR fortran/69497
 739         * symbol.c (gfc_symbol_done_2): Start freeing namespaces
 740         from the root.
 741         (gfc_free_namespace): Restore assert (revert r258839).
 742
 743 2018-03-28  Jakub Jelinek  <jakub@redhat.com>
 744
 745         * gfortran.h (gfc_dt): Rename default_exp field to dec_ext.
 746         * ioparm.def (IOPARM_dt_default_exp): Rename to ...
 747         (IOPARM_dt_dec_ext): ... this.
 748         * trans-io.c (build_dt): Adjust for default_exp renaming to
 749         dec_ext and IOPARM_dt_default_exp renaming to IOPARM_dt_dec_ext.
 750         * io.c (match_io): Likewise.
 751
 752 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 753
 754         PR fortran/85084
 755         * frontend-passes.c (gfc_run_passes): Do not run front-end
 756         optimizations if a previous error occurred.
 757
 758 2018-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 759         Harald Anlauf  <anlauf@gmx.de>
 760
 761         PR fortran/85083
 762         * primary.c (gfc_convert_to_structure_constructor): Check
 763         conformance of argument types in structure constructor.
 764
 765 2018-03-26  Thomas Koenig  <tkoenig@gcc.gnu.org>
 766
 767         PR fortran/66709
 768         * io.c: Include constructor.h.
 769         (resolve_tag_format): For a constant character array, concatenate
 770         into a single character expression.
 771
 772 2018-03-25  Seth Johnson <johnsonsr@ornl.gov>
 773         Dominique d'Humieres  <dominiq@gcc.gnu.org>
 774
 775         PR fortran/84924
 776         * check.c (gfc_check_c_f_pointer): Allow scalar noninteroperable
 777         scalar derived type with -std=f2003 and -std=f2008.
 778
 779 2018-03-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 780             Dominique d'Humieres  <dominiq@gcc.gnu.org>
 781
 782         PR fortran/69497
 783         * symbol.c (gfc_free_namespace): Delete the assert and only if
 784         refs count is equals zero, free the namespace. Otherwise,
 785         something is halfway and other errors will resound.
 786
 787 2018-03-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
 788
 789         PR fortran/70068
 790         * expr.c (find_substring_ref): Change types of start, end
 791         and length variables to gfc_charlen_t. Set length to zero
 792         for empty substring.
 793
 794 2018-03-24  Steven G. Kargl  <kargl@gcc.gnu.org>
 795
 796         PR fortran/42651
 797         * decl.c (check_function_name): Improved error message
 798         (gfc_match_volatile, gfc_match_asynchronous) Use check_function_name.
 799
 800 2018-03-22  Steven G. Kargl  <kargl@gcc.gnu.org>
 801
 802         PR fortran/84922
 803         * decl.c (get_proc_name): If the MODULE prefix appears in interface
 804         body, then it must appear on the contained subroutine or function.
 805         While here, fix nearby mis-indented code.
 806
 807 2018-03-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 808         Harald Anlauf  <anlauf@gmx.de>
 809
 810         PR fortran/84957
 811         * trans-types.c (gfc_sym_type): Do not dereference NULL pointer.
 812
 813 2018-03-21  Janne Blomqvist  <jb@gcc.gnu.org>
 814
 815         PR fortran/84615
 816         * trans-expr.c (gfc_conv_procedure_call): Convert charlen to
 817         gfc_charlen_type_node when calling procedure.
 818
 819 2018-03-20  Steven G. Kargl  <kargl@gcc.gnu.org>
 820
 821         PR fortran/85001
 822         * interface.c (symbol_rank): Remove bogus null pointer check that
 823         crept in when translating a ternary operator into an if-else
 824         constructor.
 825
 826 2018-03-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 827
 828         PR fortran/84931
 829         * simplify.c (gfc_convert_constant): Correctly handle iterators
 830         for type conversion.
 831
 832 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 833
 834         PR fortran/77414
 835         * decl.c (get_proc_name):  Check for a subroutine re-defined in
 836         the contain portion of a subroutine.  Change language of existing
 837         error message to better describe the issue. While here fix whitespace
 838         issues.
 839
 840 2018-03-18  Steven G. Kargl  <kargl@gcc.gnu.org>
 841
 842         PR fortran/65453
 843         * decl.c (get_proc_name): Catch clash between a procedure statement
 844         and a contained subprogram
 845
 846 2018-03-16  Steven G. Kargl  <kargl@gcc.gnu.org>
 847
 848         PR fortran/69395
 849         * decl.c (merge_array_spec): Correct the error condition.
 850
 851 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 852
 853         PR fortran/78741
 854         * decl.c (get_proc_name):  Check for clash of entry name with
 855         subroutine name.
 856
 857 2018-03-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 858
 859         PR fortran/69395
 860         * decl.c (merge_array_spec): Limit the merging to maximum allowed
 861         dimensions, and issue error message if limit is exceeded.
 862
 863 2018-03-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 864
 865         * check.c (gfc_check_kill_sub):  Remove check for INTEGER(4) or (8).
 866         * intrinsic.c (add_functions): Remove reference to gfc_resolve_kill.
 867         (add_subroutines): Remove reference to gfc_resolve_kill_sub.
 868         * intrinsic.texi: Update documentation.
 869         * iresolve.c (gfc_resolve_kill, gfc_resolve_kill_sub): Remove.
 870         * trans-decl.c (gfc_build_intrinsic_function_decls):  Add
 871         gfor_fndecl_kill and gfor_fndecl_kill_sub
 872         * trans-intrinsic.c (conv_intrinsic_kill, conv_intrinsic_kill_sub): new
 873         functions.
 874         (gfc_conv_intrinsic_function): Use conv_intrinsic_kill.
 875         (gfc_conv_intrinsic_subroutine): Use conv_intrinsic_kill_sub.
 876         * trans.h: Declare gfor_fndecl_kill and gfor_fndecl_kill_sub.
 877
 878 2018-03-11  Paul Thomas  <pault@gcc.gnu.org>
 879
 880         PR fortran/84546
 881         * trans-array.c (structure_alloc_comps): Make sure that the
 882         vptr is copied and that the unlimited polymorphic _len is used
 883         to compute the size to be allocated.
 884         * trans-expr.c (gfc_get_class_array_ref): If unlimited, use the
 885         unlimited polymorphic _len for the offset to the element.
 886         (gfc_copy_class_to_class): Set the new 'unlimited' argument.
 887         * trans.h : Add the boolean 'unlimited' to the prototype.
 888
 889 2018-03-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 890
 891         PR fortran/83939
 892         * resolve.c (resolve_fl_procedure): Enforce F2018:C15100.
 893
 894 2018-03-11  Steven G. Kargl  <kargls@gcc.gnu.org>
 895
 896         * check.c (gfc_check_kill):  Check pid and sig are scalar.
 897         (gfc_check_kill_sub): Restrict kind to 4 and 8.
 898         * intrinsic.c (add_function): Sort keyword list.  Add pid and sig
 899         keywords for KILL.  Remove redundant *back="back" in favor of the
 900         original *bck="back".
 901         (add_subroutines): Sort keyword list.  Add pid and sig keywords
 902         for KILL.
 903         * intrinsic.texi: Fix documentation to consistently use pid and sig.
 904         * iresolve.c (gfc_resolve_kill): Kind can only be 4 or 8.  Choose the
 905         correct function.
 906         (gfc_resolve_rename_sub): Add comment.
 907
 908 2018-03-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
 909
 910         PR fortran/66128
 911         * simplify.c (simplify_transformation): Return default result for
 912         empty array argument.
 913         (gfc_simplify_all): Remove special-case handling for zerosize.
 914         (gfc_simplify_any): Likewise.
 915         (gfc_simplify_count): Likewise.
 916         (gfc_simplify_iall): Likewise.
 917         (gfc_simplify_iany): Likewise.
 918         (gfc_simplify_iparity): Likewise.
 919         (gfc_simplify_minval): Likewise.
 920         (gfc_simplify_maxval): Likewise.
 921         (gfc_simplify_norm2): Likewise.
 922         (gfc_simplify_product): Likewise.
 923         (gfc_simplify_sum): Likewise.
 924
 925 2018-03-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 926
 927         PR fortran/84734
 928         * arith.c (check_result, eval_intrinsic):  If result overflows, pass
 929         the expression up the chain instead of a NULL pointer.
 930
 931 2018-03-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 932
 933         PR fortran/64124
 934         PR fortran/70409
 935         * decl.c (gfc_match_char_spec): Try to reduce a charlen to a constant.
 936
 937 2017-03-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 938
 939         PR fortran/84697
 940         PR fortran/66128
 941         * expr.c (simplify_parameter_variable): If p is a size zero array
 942         and not an ARRAY_EXPR insert an empty array constructor and
 943         return.
 944         * gfortran.h: Add prototype for gfc_is_size_zero_array.
 945         * simplify.c (is_size_zero_array): Make non-static and rename into
 946         (gfc_is_size_zero_array):  Check for parameter arrays of zero
 947         size by comparing shape and absence of constructor.
 948         (gfc_simplify_all): Use gfc_is_size_zero_array instead of
 949         is_size_zero_array.
 950         (gfc_simplify_count): Likewise.
 951         (gfc_simplify_iall): Likewise.
 952         (gfc_simplify_iany): Likewise.
 953         (gfc_simplify_iparity): Likewise.
 954         (gfc_simplify_minval): Likewise.
 955         (gfc_simplify_maxval): Likewise.
 956         (gfc_simplify_product): Likewise.
 957         (gfc_simplify_sum): Likewise.
 958
 959 2018-03-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 960
 961         PR fortran/56667
 962         * primary.c (match_sym_complex_part): Give the matcher for an implied
 963         do-loop a chance to run.
 964
 965 2018-03-03  Harald Anlauf  <anlauf@gmx.de>
 966
 967         PR fortran/71085
 968         * trans-expr.c (gfc_apply_interface_mapping_to_expr): Do not
 969         dereference NULL pointer.
 970
 971 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
 972
 973         PR fortran/66128
 974         * simplify.c (is_size_zero_array): New function to check for size
 975         zero array.
 976         (gfc_simplify_all, gfc_simplify_any, gfc_simplify_count,
 977          gfc_simplify_iall, gfc_simplify_iany, gfc_simplify_iparity,
 978          gfc_simplify_minval, gfc_simplify_maxval, gfc_simplify_norm2,
 979          gfc_simplify_product, gfc_simplify_sum): Use it, and implement
 980         requirements from F2018.
 981
 982 2018-03-03  Steven G. Kargl  <kargl@gcc.gnu.org>
 983
 984         PR fortran/51434
 985         * simplify.c (gfc_simplify_transfer): Resolve mold.
 986
 987 2018-03-03  Paul Thomas  <pault@gcc.gnu.org>
 988
 989         PR fortran/80965
 990         * resolve.c (build_loc_call): Change symtree name from 'loc' to
 991         '_loc'.
 992
 993 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
 994
 995         PR fortran/84219
 996         * target-memory.c (gfc_interpret_derived): Assert that BT_VOID
 997         components are caf tokens.
 998         (gfc_target_interpret_expr): Treat BT_VOID expressions as
 999         integers.
1000
1001 2018-03-01  Paul Thomas  <pault@gcc.gnu.org>
1002
1003         PR fortran/84538
1004         * class.c (class_array_ref_detected): Remove the condition that
1005         there be no reference after the array reference.
1006         (find_intrinsic_vtab): Remove excess whitespace.
1007         * trans-array.c (gfc_conv_scalarized_array_ref): Rename 'tmp'
1008         as 'base and call build_class_array_ref earlier.
1009
1010 2018-02-28  Paul Thomas  <pault@gcc.gnu.org>
1011
1012         PR fortran/83901
1013         * trans-stmt.c (trans_associate_var): Make sure that the se
1014         expression is a pointer type before converting it to the symbol
1015         backend_decl type.
1016
1017 2018-02-25  Steven G. Kargl  <kargl@gcc.gnu.org>
1018
1019         PR fortran/83633
1020         * decl.c (variable_decl): Check that an explicit-shape-array with
1021         nonconstant bounds is allowed.
1022
1023 2018-02-25  Paul Thomas  <pault@gcc.gnu.org>
1024
1025         PR fortran/84523
1026         * trans-intrinsic.c (gfc_conv_allocated): If the argument se
1027         has a pre block, add it to the expression pre block.
1028
1029 2018-02-25  Thomas Koenig  <tkoenig@gcc.gnu.org>
1030
1031         PR fortran/78238
1032         * gfortran.h (gfc_integer_4_kind): Define.
1033         * resolve.c (resolve_select_type): Make sure that the
1034         kind of c->high is gfc_integer_4_kind.
1035
1036 2018-02-24  Steven G. Kargl <kargl@gcc.gnu.org>
1037
1038         PR fortran/30792
1039         * decl.c (gfc_match_data): Check for invalid substring in
1040         data-implied-do
1041
1042 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1043
1044         * intrinsic.texi: Arguments to MATMUL cannot both be rank one.
1045
1046 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1047
1048         PR fortran/84511
1049         * trans-io.c (transfer_expr): Deal with C_LOC in transfer statement.
1050
1051 2018-02-23  Steven G. Kargl  <kargl@gcc.gnu.org>
1052
1053         PR fortran/84346
1054         * interface.c (compare_actual_formal): Issue error if keyword is
1055         used in a statement function.
1056
1057 2018-02-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1058
1059         PR fortran/84506
1060         * trans-io.c (set_parameter_value_inquire): Adjust range check of
1061         negative unit values for kind=8 units to the kind=4 negative limit.
1062
1063 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1064
1065         PR fortran/83149
1066         * trans-types.c (gfc_sym_type): Test sym->ns->proc_name before
1067         accessing its components.
1068
1069 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1070
1071         PR fortran/83149
1072         * trans-decl.c (gfc_finish_var_decl): Test sym->ns->proc_name
1073         before accessing its components.
1074
1075 2018-02-23  Paul Thomas  <pault@gcc.gnu.org>
1076
1077         PR fortran/83148
1078         * trans-const.c : Clean up some whitespace issues.
1079         * trans-expr.c (gfc_conv_initializer): If an iso_c_binding
1080         derived type has a kind value of zero, set it to the default
1081         integer kind.
1082
1083 2018-02-23  Janne Blomqvist  <jb@gcc.gnu.org>
1084
1085         PR fortran/84519
1086         * trans-decl.c (gfc_build_builtin_function_decls): Add bool
1087         argument to stop and error stop decls.
1088         * trans-stmt.c (gfc_trans_stop): Add false value to argument
1089         lists.
1090
1091 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
1092
1093         PR 78534
1094         PR 84509
1095         * trans-decl.c (gfc_build_builtin_function_decls): Pass
1096         gfc_int8_type node to pause_numeric, size_type_node to
1097         pause_string.
1098         * trans-stmt.c (gfc_trans_pause): Likewise.
1099
1100 2018-02-22  Janne Blomqvist  <jb@gcc.gnu.org>
1101
1102         * gfortran.texi: Update Coarray API description.
1103         * trans-decl.c (gfc_build_builtin_function_decls): Use size_t for
1104         character lengths, int for exit codes.
1105         (generate_coarray_sym_init): Use size_t for character length.
1106         * trans-intrinsic.c (conv_co_collective): Likewise.
1107         * trans-stmt.c (gfc_trans_lock_unlock): Likewise.
1108         (gfc_trans_event_post_wait): Likewise.
1109         (gfc_trans_sync): Likewise.
1110         (gfc_trans_stop): Use size_t for character lengths, int for exit
1111         codes.
1112
1113 2018-02-20  Thomas Koenig  <tkoenig@gcc.gnu.org>
1114
1115         PR fortran/48890
1116         PR fortran/83823
1117         * primary.c (gfc_convert_to_structure_constructor):
1118         For a constant string constructor, make sure the length
1119         is correct.
1120
1121 2018-02-19  Paul Thomas  <pault@gcc.gnu.org>
1122
1123         PR fortran/83344
1124         PR fortran/83975
1125         * resolve.c (resolve_assoc_var): Rearrange the logic for the
1126         determination of the character length of associate names. If
1127         the associate name is missing a length expression or the length
1128         expression is not a constant and the target is not a variable,
1129         make the associate name allocatable and deferred length.
1130         * trans-decl.c (gfc_get_symbol_decl): Null the character length
1131         backend_decl for deferred length associate names that are not
1132         variables. Set 'length' to gfc_index_zero_node for character
1133         associate names, whose character length is a PARM_DECL.
1134
1135 2018-02-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
1136
1137         PR fortran/35339
1138         * frontend-passes.c (traverse_io_block): Remove workaround for
1139         PR 80945.
1140
1141 2018-02-19  Andre Vehreschild  <vehre@gcc.gnu.org>
1142
1143         * gfortran.texi: Document additional src/dst_type.  Fix some typos.
1144         * trans-decl.c (gfc_build_builtin_function_decls): Declare the new
1145         argument of _caf_*_by_ref () with * e { get, send, sendget }.
1146         * trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Add the type of the
1147         data referenced when generating a call to caf_get_by_ref ().
1148         (conv_caf_send): Same but for caf_send_by_ref () and
1149         caf_sendget_by_ref ().
1150
1151 2018-02-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1152
1153         PR fortran/84389
1154         * io.c (check_format): Allow FMT_COLON.
1155
1156 2018-02-18  Paul Thomas  <pault@gcc.gnu.org>
1157
1158         PR fortran/80945
1159         * trans-array.c (gfc_conv_expr_descriptor): Set parmtype from
1160         the typenode in the case of deferred length characters.
1161
1162 2018-02-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
1163
1164         PR fortran/84270
1165         * frontend-passes (scalarized_expr):  If the expression
1166         is an assumed size array, leave in the last reference
1167         and pass AR_SECTION instead of AR_FULL to gfc_resolve
1168         in order to avoid an error.
1169
1170 2018-02-17  Paul Thomas  <pault@gcc.gnu.org>
1171
1172         PR fortran/84115
1173         * resolve.c (resolve_assoc_var): If a non-constant target expr.
1174         has no string length expression, make the associate variable
1175         into a deferred length, allocatable symbol.
1176         * trans-decl.c (gfc_is_reallocatable_lhs): Add and use a ptr to
1177         the symbol.
1178         * trans-stmt.c (trans_associate_var): Null and free scalar
1179         associate names that are allocatable. After assignment, remove
1180         the allocatable attribute to prevent reallocation.
1181
1182 2018-02-16  Jakub Jelinek  <jakub@redhat.com>
1183
1184         PR fortran/84418
1185         * trans-openmp.c (gfc_trans_omp_clauses): For OMP_CLAUSE_LINEAR_REF
1186         kind set OMP_CLAUSE_LINEAR_STEP to TYPE_SIZE_UNIT times last_step.
1187
1188 2018-02-16  Dominique d'Humieres  <dominiq@gcc.gnu.org>
1189
1190         PR fortran/84354
1191         * decl.c (gfc_get_pdt_instance): Replace '%qs' with %qs.
1192
1193 2018-02-15  Janus Weil  <janus@gcc.gnu.org>
1194
1195         PR fortran/84409
1196         * interface.c (check_dtio_arg_TKR_intent): Add a check for character
1197         length.
1198
1199 2018-02-14  Janus Weil  <janus@gcc.gnu.org>
1200
1201         PR fortran/84385
1202         * match.c (gfc_match_select_type): Fix check for selector in
1203         SELECT TYPE statement.
1204
1205 2018-02-13  Janus Weil  <janus@gcc.gnu.org>
1206
1207         PR fortran/84313
1208         * symbol.c (check_conflict): Reject procedure pointers in common blocks.
1209
1210 2018-02-13  Alastair McKinstry  <alastair.mckinstry@sceal.ie>
1211             Janne Blomqvist  <jb@gcc.gnu.org>
1212
1213         * module.c (dump_module): Use lbasename to ensure that module
1214         files are reproducible.
1215
1216 2018-02-12  Janus Weil  <janus@gcc.gnu.org>
1217
1218         PR fortran/84273
1219         * resolve.c (resolve_component): Fix checks of passed argument in
1220         procedure-pointer components.
1221
1222 2018-02-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1223
1224         PR fortran/35299
1225         * resolve.c (resolve_formal_arglist): Update error message.
1226
1227 2018-02-11  Andre Vehreschild  <vehre@gcc.gnu.org>
1228
1229         * gfortran.texi: Fix typos in documentation of caf_register ().
1230         * trans-array.c (structure_alloc_comps): Only register a component of
1231         a derived typed corray, not of an ultimate component coarray.
1232
1233 2018-02-11  Steven G. Kargl  <kargl@gcc.gnu.org>
1234
1235         PR fortran/54223
1236         PR fortran/84276
1237         * interface.c (compare_actual_formal): Add in_statement_function
1238         bool parameter.  Skip check of INTENT attribute for statement
1239         functions.  Arguments to a statement function cannot be optional,
1240         issue error for missing argument.
1241         (gfc_procedure_use, gfc_ppc_use, gfc_arglist_matches_symbol): Use
1242          in_statement_function.
1243
1244 2018-02-11  Paul Thomas  <pault@gcc.gnu.org>
1245
1246         PR fortran/84074
1247         * trans-expr.c (gfc_conv_derived_to_class): Set the use_offset
1248         flag. If the is a vector subscript or the expression is not a
1249         variable, make the descriptor one-based.
1250
1251 2018-02-10  Paul Thomas  <pault@gcc.gnu.org>
1252
1253         PR fortran/84141
1254         PR fortran/84155
1255         * trans-array.c (gfc_array_init_size): Revert the change made
1256         in revision 257356 setting the dtype.
1257         * trans-types.c (gfc_get_dtype): Do not use the cached dtype.
1258         Call gfc_get_dtype_rank_type every time.
1259
1260         PR fortran/56691
1261         * trans-array.c (gfc_conv_expr_descriptor): If the source array
1262         is a descriptor type, use its offset, removing the condition
1263         that is be a class expression.
1264
1265 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1266
1267         PR fortran/82994
1268         * match.c (gfc_match_deallocate): Check for NULL pointer.
1269
1270 2018-02-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
1271
1272         PR fortran/68560
1273         * trans-intrinsic.c (gfc_conv_intrinsic_shape): New function.
1274         (gfc_conv_intrinsic_function): Call it.
1275
1276 2018-02-07  Steven G. Kargl  <kargl@gcc.gnu.org>
1277
1278         PR fortran/82049
1279         * match.c (gfc_match_type_spec): If the charlen is non-NULL, then
1280         try to resolve it.  While here return early if possible.
1281
1282 2018-02-04  Paul Thomas  <pault@gcc.gnu.org>
1283
1284         PR fortran/84115
1285         * trans-decl.c (gfc_get_symbol_decl): Do not finish the decl of
1286         'length' if the symbol charlen backend_decl is an indirect ref.
1287
1288 2018-02-03  Paul Thomas  <pault@gcc.gnu.org>
1289
1290         PR fortran/84141
1291         PR fortran/84155
1292         * trans-array.c (gfc_array_init_size): Instead of gfc_get_dtype
1293         use gfc_get_dtype_rank_type.
1294
1295 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
1296
1297         PR 83975
1298         PR 83344
1299         * resolve.c (resolve_assoc_var): Generate an error if
1300         target length unknown.
1301
1302 2018-02-01  Janne Blomqvist  <jb@gcc.gnu.org>
1303
1304         PR fortran/83705
1305         * simplify.c (gfc_simplify_repeat): Increase limit for deferring
1306         to runtime, print a warning message.
1307
1308 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
1309
1310         PR fortran/84116
1311         * openmp.c (gfc_match_omp_clauses): If all the linear
1312         gfc_match_omp_variable_list calls failed, don't gfc_free_omp_namelist
1313         nor set *head = NULL.  Formatting fixes.
1314
1315 2018-01-31  Paul Thomas  <pault@gcc.gnu.org>
1316
1317         PR fortran/84088
1318         * trans-expr.c (gfc_conv_procedure_call): If the parm expr is
1319         an address expression passed to an assumed rank dummy, convert
1320         to an indirect reference.
1321
1322 2018-01-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
1323
1324         * dump-parse-tree.c (write_proc): Use sym_name (which may
1325         be sym->binding_label) instead of sym->name.
1326
1327 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
1328
1329         * trans-const.c (gfc_conv_string_init): Use gfc_charlen_t instead
1330         of int for slen.
1331
1332 2018-01-31  Janne Blomqvist  <jb@gcc.gnu.org>
1333
1334         PR fortran/78534
1335         * trans-expr.c (fill_with_spaces): Use memset instead of
1336         generating loop.
1337         (gfc_trans_string_copy): Improve opportunity to use builtins with
1338         constant lengths.
1339
1340 2018-01-30  Jakub Jelinek  <jakub@redhat.com>
1341
1342         PR debug/84131
1343         * trans-array.c (gfc_get_descriptor_offsets_for_info): Set *data_off
1344         to DATA_FIELD's offset rather than OFFSET_FIELD's offset.
1345
1346 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1347
1348         PR fortran/84134
1349         * array.c (gfc_ref_dimen_size): Whitespace fixes.  If stride is
1350         zero, return false.
1351
1352 2018-01-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
1353
1354         PR fortran/84133
1355         * frontend-passes (matmul_to_var_expr): Return early if
1356         in association list.
1357         (inline_matmul_assign): Likewise.
1358
1359 2017-01-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
1360
1361         PR fortran/84073
1362         * resolve.c (resolve_component): Ensure BIND(C) character
1363         components have length one.
1364         (resolve_symbol): Likewise for variables.
1365
1366 2018-01-27  Jakub Jelinek  <jakub@redhat.com>
1367
1368         PR fortran/84065
1369         * decl.c (add_init_expr_to_sym): Ignore initializers for too large
1370         lengths.
1371
1372 2018-01-26  Damian Rouson  <damian@sourceryinstitute.org>
1373             Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
1374             Soren Rasmussen  <s.c.rasmussen@gmail.com>
1375
1376         Partial support for Fortran 2018 teams features.
1377
1378         * array.c (gfc_match_array_ref): add team attribute in coarray
1379         transfers.
1380         * check.c (gfc_check_get_team, gfc_check_team_number): add new
1381         functions for get_team and team_number.
1382         * dump-parse-tree.c (show_code_node): add new statements: form team,
1383         change team, end team, and sync team.
1384         * expr.c (gfc_find_team_co): add new function.
1385         * gfortran.h: add new statements.
1386         * intrinsic.c (add_functions): add get_team and team_number functions.
1387         * intrinsic.h: add get_team and team_number prototypes for check,
1388         simplify, and resolve.
1389         * iresolve.c (gfc_resolve_get_team, gfc_resolve_team_number): add new
1390         functions.
1391         * iso-fortran-env.def: add the team_type derived type.
1392         * match.c (gfc_match_if, gfc_match_form_team, gfc_match_team_number)
1393         (gfc_match_end_team, gfc_match_sync_team, gfc_match_change_team):
1394         add change team, end team, form team, sync team match and functions.
1395         * match.h: add new prototypes for change team, end team, form team,
1396         and sync team.
1397         * parse.c (decode_statement): add cases for change team, end team,
1398         form team, and sync team.
1399         * resolve.c: add cases for exec form team, change team, end team, and
1400         sync team.
1401         * simplify.c (gfc_simplify_get_team): add new function for get team.
1402         * st.c (gfc_free_statement): add cases exec for change team, end team,
1403         form team, sync team.
1404         * trans-decl.c (gfor_fndecl_caf_form_team)
1405         (gfor_fndecl_caf_change_team, gfor_fndecl_caf_end_team)
1406         (gfor_fndecl_caf_sync_team, gfor_fndecl_caf_get_team)
1407         (gfor_fndecl_caf_team_number): add functions and definitions.
1408         * trans-intrinsic.c (conv_caf_send, conv_intrinsic_team_number): add
1409         new function and team_type argument support.
1410         * trans-stmt.c (gfc_trans_form_team, gfc_trans_change_team)
1411         (gfc_trans_end_team, gfc_trans_sync_team): add new functions.
1412         * trans-stmt.h: add new prototypes.
1413         * trans-types.c (gfc_get_derived_type): check condition for team_type.
1414         * trans.c (trans_code): new exec cases for form team, change team, end
1415         team, and sync team.
1416         * trans.h: add new prototypes.
1417
1418 2018-01-26  Steven G. Kargl  <kargl@gcc.gnu.org>
1419
1420         PR fortran/83998
1421         * simplify.c (compute_dot_product):  Initialize result to INTEGER(1) 0
1422         or .false.  The summation does the correct type conversion.
1423         (gfc_simplify_dot_product): Special case zero-sized arrays.
1424
1425 2018-25-01  Paul Thomas  <pault@gcc.gnu.org>
1426
1427         PR fortran/37577
1428         * array.c (gfc_match_array_ref): If standard earlier than F2008
1429         it is an error if the reference dimension is greater than 7.
1430         libgfortran.h : Increase GFC_MAX_DIMENSIONS to 15. Change the
1431         dtype masks and shifts accordingly.
1432         * trans-array.c (gfc_conv_descriptor_dtype): Use the dtype
1433         type node to check the field.
1434         (gfc_conv_descriptor_dtype): Access the rank field of dtype.
1435         (duplicate_allocatable_coarray): Access the rank field of the
1436         dtype descriptor rather than the dtype itself.
1437         * trans-expr.c (get_scalar_to_descriptor_type): Store the type
1438         of 'scalar' on entry and use its TREE_TYPE if it is ARRAY_TYPE
1439         (ie. a character).
1440         (gfc_conv_procedure_call): Pass TREE_OPERAND (tmp,0) to
1441         get_scalar_to_descriptor_type if the actual expression is a
1442         constant.
1443         (gfc_trans_structure_assign): Assign the rank directly to the
1444         dtype rank field.
1445         * trans-intrinsic.c (gfc_conv_intrinsic_rank): Cast the result
1446         to default integer kind.
1447         (gfc_conv_intrinsic_sizeof): Obtain the element size from the
1448         'elem_len' field of the dtype.
1449         * trans-io.c (gfc_build_io_library_fndecls): Replace
1450         gfc_int4_type_node with dtype_type_node where necessary.
1451         (transfer_namelist_element): Use gfc_get_dtype_rank_type for
1452         scalars.
1453         * trans-types.c : Provide 'get_dtype_type_node' to acces the
1454         dtype_type_node and, if necessary, build it.
1455         The maximum size of an array element is now determined by the
1456         maximum value of size_t.
1457         Update the description of the array descriptor, including the
1458         type def for the dtype_type.
1459         (gfc_get_dtype_rank_type): Build a constructor for the dtype.
1460         Distinguish RECORD_TYPEs that are BT_DERIVED or BT_CLASS.
1461         (gfc_get_array_descriptor_base): Change the type of the dtype
1462         field to dtype_type_node.
1463         (gfc_get_array_descr_info): Get the offset to the rank field of
1464         the dtype.
1465         * trans-types.h : Add a prototype for 'get_dtype_type_node ()'.
1466         * trans.h : Define the indices of the dtype fields.
1467
1468 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1469
1470         PR fortran/83866
1471         * decl.c (gfc_match_derived_decl): If eos not matched, recover
1472         and emit error about garbage after declaration.
1473
1474 2018-23-01  Paul Thomas  <pault@gcc.gnu.org>
1475
1476         PR fortran/83898
1477         * trans-stmt.c (trans_associate_var): Do not set cst_array_ctor
1478         for characters.
1479
1480 2018-01-22  Janne Blomqvist  <jb@gcc.gnu.org>
1481
1482         PR 78534
1483         PR 83704
1484         * arith.c (gfc_arith_concat): Use size_t for string length.
1485         (gfc_compare_string): Likewise.
1486         (gfc_compare_with_Cstring): Likewise.
1487         * array.c (gfc_resolve_character_array_constructor): Use
1488         HOST_WIDE_INT, gfc_mpz_get_hwi.
1489         * check.c (gfc_check_fe_runtime_error): Use size_t.
1490         * data.c (create_character_initializer): Use HOST_WIDE_INT,
1491         gfc_extract_hwi.
1492         * decl.c (gfc_set_constant_character_len): Use gfc_charlen_t.
1493         (add_init_expr_to_sym): Use HOST_WIDE_INT.
1494         * expr.c (gfc_build_init_expr): Use HOST_WIDE_INT,
1495         gfc_extract_hwi.
1496         (gfc_apply_init): Likewise.
1497         * match.h (gfc_set_constant_character_len): Update prototype.
1498         * primary.c (match_string_constant): Use size_t.
1499         * resolve.c (resolve_ordinary_assign): Use HOST_WIDE_INT,
1500         gfc_mpz_get_hwi.
1501         * simplify.c (init_result_expr): Likewise.
1502         (gfc_simplify_len_trim): Use size_t.
1503         * target-memory.c (gfc_encode_character): Use size_t.
1504         (gfc_target_encode_expr): Use HOST_WIDE_INT, gfc_mpz_get_hwi.
1505         (interpret_array): Use size_t.
1506         (gfc_interpret_character): Likewise.
1507         * target-memory.h (gfc_encode_character): Update prototype.
1508         (gfc_interpret_character): Likewise.
1509         (gfc_target_interpret_expr): Likewise.
1510         * trans-const.c (gfc_build_string_const): Use size_t for length
1511         argument.
1512         (gfc_build_wide_string_const): Likewise.
1513         * trans-const.h (gfc_build_string_const): Likewise.
1514         (gfc_build_wide_string_const): Likewise.
1515
1516 2018-01-20  Steven G. Kargl  <kargl@gcc.gnu.org>
1517
1518         PR fortran/83900
1519     * simplify.c (gfc_simplify_matmul): Set return type correctly.
1520
1521 2018-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>
1522
1523         PR fortran/83900
1524         * simplify.c (gfc_simplify_matmul): Delete bogus assertion.
1525
1526 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1527
1528         PR fortran/83864
1529         * expr.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1530
1531 2018-01-17  Harald Anlauf  <anlauf@gmx.de>
1532
1533         PR fortran/83874
1534         * decl.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1535
1536 2018-01-15  Louis Krupp  <louis.krupp@zoho.com>
1537
1538         PR fortran/82257
1539         * interface.c (compare_rank): Don't try to retrieve CLASS_DATA
1540         from symbol marked unlimited polymorphic.
1541         * resolve.c (resolve_structure_cons): Likewise.
1542         * misc.c (gfc_typename): Don't dereference derived->components
1543         if it's NULL.
1544
1545 2018-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
1546
1547         PR fortran/54613
1548         * gfortran.h (gfc_check_f): Rename f4ml to f5ml.
1549         (gfc_logical_4_kind): New macro
1550         * intrinsic.h (gfc_simplify_minloc): Add a gfc_expr *argument.
1551         (gfc_simplify_maxloc): Likewise.
1552         (gfc_resolve_maxloc): Likewise.
1553         (gfc_resolve_minloc): Likewise.
1554         * check.c (gfc_check_minloc_maxloc): Add checking for "back"
1555         argument; also raise error if it is used (for now). Add it
1556         if it isn't present.
1557         * intrinsic.c (add_sym_4ml): Rename to
1558         (add_sym_5ml), adjust for extra argument.
1559         (add_functions): Add "back" constant. Adjust maxloc and minloc
1560         for back argument.
1561         * iresolve.c (gfc_resolve_maxloc): Add back argument. If back is
1562         not of gfc_logical_4_kind, convert.
1563         (gfc_resolve_minloc): Likewise.
1564         * simplify.c (gfc_simplify_minloc): Add back argument.
1565         (gfc_simplify_maxloc): Likewise.
1566         * trans-intinsic.c (gfc_conv_intrinsic_minmaxloc): Rename last
1567         argument to %VAL to ensure passing by value.
1568         (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_minmaxloc
1569         also for library calls.
1570
1571 2018-01-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1572
1573         PR fortran/82007
1574         * resolve.c (resolve_transfer): Delete code looking for 'DT'
1575         format specifiers in format strings. Set formatted to true if a
1576         format string or format label is present.
1577         * trans-io.c (get_dtio_proc): Likewise. (transfer_expr): Fix
1578         whitespace.
1579
1580 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1581
1582         PR fortran/83744
1583         * dump-parse-tree.c (get_c_type_name): Remove extra line.
1584         Change for loop to use declaration in for loop. Handle BT_LOGICAL
1585         and BT_CHARACTER.
1586         (write_decl): Add where argument. Fix indentation. Replace
1587         assert with error message. Add typename to warning
1588         in comment.
1589         (write_type): Adjust locus to call of write_decl.
1590         (write_variable): Likewise.
1591         (write_proc): Likewise. Replace assert with error message.
1592
1593 2018-01-13  Paul Thomas  <pault@gcc.gnu.org>
1594
1595         PR fortran/52162
1596         * trans-expr.c (gfc_trans_scalar_assign): Flag is_alloc_lhs if
1597         the rhs expression is neither an elemental nor a conversion
1598         function.
1599
1600         PR fortran/83622
1601         * trans-array.c (is_pointer_array): Remove unconditional return
1602         of false for -fopenmp.
1603
1604 2018-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1605         <emsr@gcc.gnu.org>
1606
1607         PR fortran/83803
1608         * dump-parse-tree.c (write_proc): Always emit closing parenthesis
1609         for functions.
1610
1611 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1612
1613         PR fortran/82367
1614         * resolve.c (resolve_allocate_expr): Check for NULL pointer.
1615
1616 2018-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1617
1618         PR fortran/83093
1619         * resolve.c (resolve_charlen): Check the type of cl->length
1620         after resolution.
1621
1622 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1623
1624         PR fortran/83740
1625         * trans-array.c (gfc_trans_array_ctor_element): Fix formatting.
1626
1627 2018-01-10  Janne Blomqvist  <jb@gcc.gnu.org>
1628
1629         PR fortran/83740
1630         * trans-array.c (gfc_trans_array_ctor_element): Convert RHS to the
1631         LHS type when assigning.
1632
1633 2018-01-09  Steven G. Kargl  <kargl@gcc.gnu.org>
1634
1635         PR fortran/83742
1636         * expr.c (gfc_is_simply_contiguous): Check for NULL pointer.
1637
1638 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1639
1640         * match.c (gfc_match_allocate): Check for NULL pointer.
1641
1642 2018-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
1643
1644         * expr.c (gfc_check_pointer_assign): Fix typo in comment.
1645
1646 2018-01-08  Paul Thomas  <pault@gcc.gnu.org>
1647
1648         PR fortran/83611
1649         * decl.c (gfc_get_pdt_instance): If parameterized arrays have
1650         an initializer, convert the kind parameters and add to the
1651         component if the instance.
1652         * trans-array.c (structure_alloc_comps): Add 'is_pdt_type' and
1653         use it with case COPY_ALLOC_COMP. Call 'duplicate_allocatable'
1654         for parameterized arrays. Clean up typos in comments. Convert
1655         parameterized array initializers and copy into the array.
1656         * trans-expr.c (gfc_trans_scalar_assign): Do a deep copy for
1657         parameterized types.
1658         *trans-stmt.c (trans_associate_var): Deallocate associate vars
1659         as necessary, when they are PDT function results for example.
1660
1661         PR fortran/83731
1662         * trans-array.c (structure_alloc_comps): Only compare len parms
1663         when they are declared explicitly.
1664
1665 2018-01-06  Janne Blomqvist  <jb@gcc.gnu.org>
1666
1667         PR fortran/50892
1668         * trans-expr.c (gfc_trans_pointer_assignment): fold_convert rhs to
1669         lhs type.
1670
1671 2018-01-05  Janne Blomqvist  <jb@gcc.gnu.org>
1672
1673         PR fortran/78534
1674         PR fortran/66310
1675         * array.c (got_charlen): Use gfc_charlen_int_kind.
1676         * class.c (gfc_find_derived_vtab): Use gfc_size_kind instead of
1677         hardcoded kind.
1678         (find_intrinsic_vtab): Likewise.
1679         * decl.c (match_char_length): Use gfc_charlen_int_kind.
1680         (add_init_expr_to_sym): Use gfc_charlen_t and gfc_charlen_int_kind.
1681         (gfc_match_implicit): Use gfc_charlen_int_kind.
1682         * dump-parse-tree.c (show_char_const): Use gfc_charlen_t and size_t.
1683         (show_expr): Use HOST_WIDE_INT_PRINT_DEC.
1684         * expr.c (gfc_get_character_expr): Length parameter of type
1685         gfc_charlen_t.
1686         (gfc_get_int_expr): Value argument of type HOST_WIDE_INT.
1687         (gfc_extract_hwi): New function.
1688         (simplify_const_ref): Make string_len of type gfc_charlen_t.
1689         (gfc_simplify_expr): Use HOST_WIDE_INT for substring refs.
1690         * frontend-passes.c (optimize_trim): Use gfc_charlen_int_kind.
1691         * gfortran.h (gfc_mpz_get_hwi): New prototype.
1692         (gfc_mpz_set_hwi): Likewise.
1693         (gfc_charlen_t): New typedef.
1694         (gfc_expr): Use gfc_charlen_t for character lengths.
1695         (gfc_size_kind): New extern variable.
1696         (gfc_extract_hwi): New prototype.
1697         (gfc_get_character_expr): Use gfc_charlen_t for character length.
1698         (gfc_get_int_expr): Use HOST_WIDE_INT type for value argument.
1699         * gfortran.texi: Update description of hidden string length argument.
1700         * iresolve.c (check_charlen_present): Use gfc_charlen_int_kind.
1701         (gfc_resolve_char_achar): Likewise.
1702         (gfc_resolve_repeat): Pass string length directly without
1703         temporary, use gfc_charlen_int_kind.
1704         (gfc_resolve_transfer): Use gfc_charlen_int_kind.
1705         * match.c (select_intrinsic_set_tmp): Use HOST_WIDE_INT for charlen.
1706         * misc.c (gfc_mpz_get_hwi): New function.
1707         (gfc_mpz_set_hwi): New function.
1708         * module.c (atom_int): Change type from int to HOST_WIDE_INT.
1709         (parse_integer): Don't complain about large integers.
1710         (write_atom): Use HOST_WIDE_INT for integers.
1711         (mio_integer): Handle integer type mismatch.
1712         (mio_hwi): New function.
1713         (mio_intrinsic_op): Use HOST_WIDE_INT.
1714         (mio_array_ref): Likewise.
1715         (mio_expr): Likewise.
1716         * primary.c (match_substring): Use gfc_charlen_int_kind.
1717         * resolve.c (resolve_substring_charlen): Use gfc_charlen_int_kind.
1718         (resolve_character_operator): Likewise.
1719         (resolve_assoc_var): Likewise.
1720         (resolve_select_type): Use HOST_WIDE_INT for charlen, use snprintf.
1721         (resolve_charlen): Use mpz_sgn to determine sign.
1722         * simplify.c (gfc_simplify_repeat): Use HOST_WIDE_INT/gfc_charlen_t
1723         instead of long.
1724         * symbol.c (generate_isocbinding_symbol): Use gfc_charlen_int_kind.
1725         * target-memory.c (size_character): Length argument of type
1726         gfc_charlen_t.
1727         (gfc_encode_character): Likewise.
1728         (gfc_interpret_character): Use gfc_charlen_t.
1729         * target-memory.h (gfc_encode_character): Modify prototype.
1730         * trans-array.c (gfc_trans_array_ctor_element): Use existing type.
1731         (get_array_ctor_var_strlen): Use gfc_conv_mpz_to_tree_type.
1732         (trans_array_constructor): Use existing type.
1733         (get_array_charlen): Likewise.
1734         * trans-const.c (gfc_conv_mpz_to_tree_type): New function.
1735         * trans-const.h (gfc_conv_mpz_to_tree_type): New prototype.
1736         * trans-decl.c (gfc_trans_deferred_vars): Use existing type.
1737         (add_argument_checking): Likewise.
1738         * trans-expr.c (gfc_class_len_or_zero_get): Build const of type
1739         gfc_charlen_type_node.
1740         (gfc_conv_intrinsic_to_class): Use gfc_charlen_int_kind instead of
1741         4, fold_convert to correct type.
1742         (gfc_conv_class_to_class): Build const of type size_type_node for
1743         size.
1744         (gfc_copy_class_to_class): Likewise.
1745         (gfc_conv_string_length): Use same type in expression.
1746         (gfc_conv_substring): Likewise, use HOST_WIDE_INT for charlen.
1747         (gfc_conv_string_tmp): Make sure len is of the right type.
1748         (gfc_conv_concat_op): Use same type in expression.
1749         (gfc_conv_procedure_call): Likewise.
1750         (fill_with_spaces): Comment out memset() block due to spurious
1751         -Wstringop-overflow warnings.
1752         (gfc_trans_string_copy): Use gfc_charlen_type_node.
1753         (alloc_scalar_allocatable_for_subcomponent_assignment):
1754         fold_convert to right type.
1755         (gfc_trans_subcomponent_assign): Likewise.
1756         (trans_class_vptr_len_assignment): Build const of correct type.
1757         (gfc_trans_pointer_assignment): Likewise.
1758         (alloc_scalar_allocatable_for_assignment): fold_convert to right
1759         type in expr.
1760         (trans_class_assignment): Build const of correct type.
1761         * trans-intrinsic.c (gfc_conv_associated): Likewise.
1762         (gfc_conv_intrinsic_repeat): Do calculation in sizetype.
1763         * trans-io.c (gfc_build_io_library_fndecls): Use
1764         gfc_charlen_type_node for character lengths.
1765         (set_string): Convert to right type in assignment.
1766         * trans-stmt.c (gfc_trans_label_assign): Build const of
1767         gfc_charlen_type_node.
1768         (trans_associate_var): Likewise.
1769         (gfc_trans_character_select): Likewise.
1770         (gfc_trans_allocate): Likewise, don't typecast strlen result.
1771         (gfc_trans_deallocate): Don't typecast strlen result.
1772         * trans-types.c (gfc_size_kind): New variable.
1773         (gfc_init_types): Determine gfc_charlen_int_kind and gfc_size_kind
1774         from size_type_node.
1775         * trans-types.h: Fix comment.
1776
1777 2018-01-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
1778
1779         PR fortran/83683
1780         PR fortran/45689
1781         * check.c (gfc_check_eoshift): Check for string length and
1782         for conformance of boundary.
1783         * intrinsic.c (add_functions): Add gfc_simplify_eoshift.
1784         * intrinsic.h: Add prototype for gfc_simplify_eoshift.
1785         * simplify.c (gfc_simplify_eoshift): New function.
1786
1787 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1788             Alan Hayward  <alan.hayward@arm.com>
1789             David Sherwood  <david.sherwood@arm.com>
1790
1791         * trans-types.c (gfc_type_for_mode): Handle MODE_VECTOR_BOOL.
1792
1793 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1794             Alan Hayward  <alan.hayward@arm.com>
1795             David Sherwood  <david.sherwood@arm.com>
1796
1797         * trans-types.c (gfc_type_for_mode): Check valid_vector_subparts_p.
1798
1799 2018-01-03  Thomas Koenig  <tkoenig@gcc.gnu.org>
1800
1801         PR fortran/83664
1802         * check.c (gfc_check_eoshift): Error for missing boundary if array
1803         is not one of the standard types.
1804
1805 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1806
1807         Update copyright years.
1808
1809         * gfortranspec.c (lang_specific_driver): Update copyright notice
1810         dates.
1811         * gfc-internals.texi: Bump @copying's copyright year.
1812         * gfortran.texi: Ditto.
1813         * intrinsic.texi: Ditto.
1814         * invoke.texi: Ditto.
1815
1816 2017-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1817
1818         PR fortran/45689
1819         * intrinsic.c (add_function): Add gfc_simplify_maxloc and
1820         gfc_simplify_minloc to maxloc and minloc, respectively.
1821         * intrinsic.h: Add prototypes for gfc_simplify_minloc
1822         and gfc_simplify_maxloc.
1823         * simplify.c (min_max_chose): Adjust prototype.  Modify function
1824         to have a return value which indicates if the extremum was found.
1825         (is_constant_array_expr): Fix typo in comment.
1826         (simplify_minmaxloc_to_scalar): New function.
1827         (simplify_minmaxloc_nodim): New function.
1828         (new_array): New function.
1829         (simplify_minmaxloc_to_array): New function.
1830         (gfc_simplify_minmaxloc): New function.
1831         (simplify_minloc): New function.
1832         (simplify_maxloc): New function.
1833
1834 2018-01-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1835
1836         PR fortran/45689
1837         PR fortran/83650
1838         * simplify.c (gfc_simplify_cshift): Re-implement to allow full
1839         range of arguments.
1840
1841 2018-01-01  Paul Thomas  <pault@gcc.gnu.org>
1842
1843         PR fortran/83076
1844         * resolve.c (resolve_fl_derived0): Add caf_token fields for
1845         allocatable and pointer scalars, when -fcoarray selected.
1846         * trans-types.c (gfc_copy_dt_decls_ifequal): Copy the token
1847         field as well as the backend_decl.
1848         (gfc_get_derived_type): Flag GFC_FCOARRAY_LIB for module
1849         derived types that are not vtypes. Components with caf_token
1850         attribute are pvoid types. For a component requiring it, find
1851         the caf_token field and have the component token field point to
1852         its backend_decl.
1853
1854         PR fortran/83319
1855         *trans-types.c (gfc_get_array_descriptor_base): Add the token
1856         field to the descriptor even when codimen not set.
1857 \f
1858 Copyright (C) 2018 Free Software Foundation, Inc.
1859
1860 Copying and distribution of this file, with or without modification,
1861 are permitted in any medium without royalty provided the copyright
1862 notice and this notice are preserved.