gcc/fortran/ChangeLog

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