gcc/fortran/ChangeLog

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