gcc/fortran/ChangeLog

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