gcc/fortran/ChangeLog

   1 2019-08-20  Mark Eggleston  <mark.eggleston@codethink.com>
   2
   3         PR fortran/89236
   4         * intrinsic.texi: Add GNU extension notes to DIM, MOD, MODULO.
   5
   6 2019-08-19  Mark Eggleston  <mark.eggleston@codethink.com>
   7
   8         * gfortran.texi: Delete paragraph about integer overload errors
   9         when initialising integer variables with BOZ constants as these
  10         no longer occur.
  11
  12 2019-08-18  Steven G. Kargl  <kargl@gcc.gnu.org>
  13
  14         PR fortran/91485
  15         module.c (gfc_match_use): User defined operator cannot conflict with
  16         a rename symbol.
  17
  18 2019-08-17  Steven G. Kargl  <kargl@gcc.gnu.org>
  19
  20         PR fortran/82992
  21         * module.c (gfc_match_use):  When renaming a module entity, search
  22         current namespace for conflicting symbol.
  23
  24 2019-08-17  Steven G. Kargl  <kargl@gcc.gnu.org>
  25
  26         PR fortran/78739
  27         * match.c (gfc_match_st_function):  When matching a statement function,
  28         need to check if the statement function name shadows the function
  29         name.
  30
  31 2019-08-17  Steven G. Kargl  <kargl@gcc.gnu.org>
  32
  33         PR fortran/78719
  34         * decl.c (get_proc_name): Check for a CLASS entity when trying to
  35         add attributes to an entity that already has an explicit interface.
  36
  37 2019-08-17  Steven G. Kargl  <kargl@gcc.gnu.org>
  38
  39         PR fortran/91471
  40         * primary.c (gfc_variable_attr): Remove a gfc_internal_error(),
  41         which cannot be reached by conforming Fortran code, but seems to
  42         be reachable from nonconforming Fortran code.  Treat the AR_UNKNOWN
  43         case as a no-op.
  44
  45 2019-08-17  Janne Blomqvist  <jb@gcc.gnu.org>
  46
  47         PR fortran/68401
  48         * trans-decl.c (gfc_build_builtin_function_decls): Replace
  49         os_error with os_error_at decl.
  50         * trans.c (trans_runtime_error_vararg): Modify so the error
  51         function decl is passed directly.
  52         (gfc_trans_runtime_error): Pass correct error function decl.
  53         (gfc_trans_runtime_check): Likewise.
  54         (trans_os_error_at): New function.
  55         (gfc_call_malloc): Use trans_os_error_at.
  56         (gfc_allocate_using_malloc): Likewise.
  57         (gfc_call_realloc): Likewise.
  58         * trans.h (gfor_fndecl_os_error): Replace with gfor_fndecl_os_error_at.
  59
  60 2019-08-16  Jeff Law <law@redhat.com>
  61             Mark Eggleston <mark.eggleston@codethink.com>
  62
  63         * gfortran.h: Add gfc_check_conflict declaration.
  64         * symbol.c (check_conflict): Rename cfg_check_conflict and remove
  65         static.
  66         * symbol.c (cfg_check_conflict): Remove automatic in equivalence
  67         conflict check.
  68         * symbol.c (save_symbol): Add check for in equivalence to stop the
  69         the save attribute being added.
  70         * trans-common.c (build_equiv_decl): Add is_auto parameter and
  71         add !is_auto to condition where TREE_STATIC (decl) is set.
  72         * trans-common.c (build_equiv_decl): Add local variable is_auto,
  73         set it true if an atomatic attribute is encountered in the variable
  74         list.  Call build_equiv_decl with is_auto as an additional parameter.
  75         flag_dec_format_defaults is enabled.
  76         * trans-common.c (accumulate_equivalence_attributes) : New subroutine.
  77         * trans-common.c (find_equivalence) : New local variable dummy_symbol,
  78         accumulated equivalence attributes from each symbol then check for
  79         conflicts.
  80
  81 2019-08-16  Richard Biener  <rguenther@suse.de>
  82
  83         * trans-intrinsic.c (gfc_conv_intrinsic_findloc): Initialize
  84         forward_branch to avoid bogus uninitialized warning.
  85
  86 2019-08-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
  87
  88         PR fortran/91443
  89         * frontend-passes.c (check_externals_expr): New function.
  90         (check_externals_code): New function.
  91         (gfc_check_externals): New function.
  92         * gfortran.h (debug): Add prototypes for gfc_symbol * and
  93         gfc_expr *.
  94         (gfc_check_externals): Add prototype.
  95         * interface.c (compare_actual_formal): Do not complain about
  96         alternate returns if the formal argument is optional.
  97         (gfc_procedure_use): Handle cases when an error has been issued
  98         previously.  Break long line.
  99         * parse.c (gfc_parse_file): Call gfc_check_externals for all
 100         external procedures.
 101         * resolve.c (resolve_global_procedure): Remove checking of
 102         argument list.
 103
 104 2019-08-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 105
 106         PR fortran/87991
 107         * resolve.c (check_data_variable): data-stmt-object with pointer
 108         attribute requires a data-stmt-value with the target attribute.
 109
 110 2019-08-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 111
 112         PR fortran/88072
 113         * misc.c (gfc_typename): Do not point to something that ought not to
 114         be pointed at.
 115
 116 2013-08-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
 117
 118         PR fortran/90563
 119         * frontend-passes.c (insert_index): Suppress errors while
 120         simplifying the resulting expression.
 121
 122 2019-08-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 123
 124         PR fortran/89647
 125         resolve.c (resolve_typebound_procedure): Allow host associated
 126         procedure to be a binding target.  While here, wrap long line.
 127
 128 2019-08-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 129
 130         PR fortran/87993
 131         * expr.c (gfc_simplify_expr): Simplifcation of an array with a kind
 132         type inquiry suffix yields a constant expression.
 133
 134 2019-08-13  Janne Blomqvist  <jb@gcc.gnu.org>
 135
 136         PR fortran/91414
 137         * check.c (gfc_check_random_seed): Reduce seed_size.
 138         * intrinsic.texi (RANDOM_NUMBER): Update to match new PRNG.
 139
 140 2019-08-12  Thomas Koenig  <tkoenig@gcc.gnu.org>
 141
 142         PR fortran/91424
 143         * frontend-passes.c (do_subscript): Do not warn for an
 144         expression a second time.  Do not warn about a zero-trip loop.
 145         (doloop_warn): Also look at contained namespaces.
 146
 147 2019-08-11  Janne Blomqvist  <jb@gcc.gnu.org>
 148
 149         PR fortran/91413
 150         * invoke.texi (-fmax-stack-var-size): Document increased default.
 151         * options.c (gfc_post_options): Increase default stack var size to
 152         65536 bytes.
 153         * trans-decl.c (gfc_finish_var_decl): Generate warning when local
 154         array moved to static storage.
 155
 156 2019-08-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 157
 158         * decl.c (match_old_style_init): Use a clearer error message.
 159         * expr.c (gfc_check_assign): Update BOZ checking to provide a stricter
 160         adherence to the Fortran standard.  Use gfc_invalid_boz () to
 161         relax errors into warnings.
 162         * gfortran.h (gfc_isym_id): Add new ids GFC_ISYM_DFLOAT,
 163         GFC_ISYM_FLOAT, GFC_ISYM_REALPART, and GFC_ISYM_SNGL
 164         * intrinsic.c (add_functions): Use new ids to split REAL generic into
 165         REAL, FLOAT, DFLOAT, SNGL, and REALPART generics.
 166         (gfc_intrinsic_func_interface): Allow new intrinsics in an
 167         initialization expression
 168         * resolve.c (resolve_operator): Deal with BOZ as operands.
 169         Use gfc_invalid_boz to allow for errors or warnings via the
 170         -fallow-invalid-boz option.  A BOZ cannot be an operand to an
 171         unary operator.  Both operands of a binary operator cannot be BOZ.
 172         For binary operators, convert a BOZ operand into the type and
 173         kind of the other operand for REAL or INTEGER operand.
 174         * trans-intrinsic.c: Use new ids to cause conversions to happen.
 175
 176 2019-08-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 177
 178         PR fortran/91359
 179         * trans-decl.c (gfc_generate_return): Ensure something is returned
 180         from a function.
 181
 182 2019-08-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 183
 184         PR fortran/42546
 185         * check.c(gfc_check_allocated): Add comment pointing to ...
 186         * intrinsic.c(sort_actual): ... the checking done here.
 187
 188 2019-08-05  Steven g. Kargl  <kargl@gcc.gnu.org>
 189
 190         PR fortran/91372
 191         * decl.c (gfc_match_data): Allow an implied do-loop to nestle against
 192         DATA.
 193
 194 2019-08-04  Steven G. Kargl  <kargl@gcc.gnu.org>
 195
 196         PR fortran/88227
 197         * check.c (oct2bin): New function.  Convert octal string to binary.
 198         (hex2bin): New function.  Convert hexidecimal string to binary.
 199         (bin2real): New function.  Convert binary string to REAL.  Use
 200         oct2bin and hex2bin.
 201         (gfc_boz2real): Use fallback conversion bin2real.
 202
 203 2019-08-02  Steven G. Kargl  <kargl@gcc.gnu.org>
 204
 205         PR fortran/90985
 206         * decl.c (gfc_match_data): In free-form code, DATA be followed by
 207         whitespace.
 208
 209 2019-08-02  Steven G. Kargl  <kargl@gcc.gnu.org>
 210
 211         PR fortran/90986
 212         * match.c (gfc_match_equivalence): Check that EQUIVALENCE is followed
 213         by '('.
 214
 215 2019-07-30  Steven G. Kargl  <kargl@gcc.gnu.org>
 216
 217         PR fortran/91296
 218         * interface.c (compare_actual_expr): When checking for aliasing, add
 219         a case to handle REF_INQUIRY (e.g., foo(x%re, x%im) do not alias).
 220
 221 2019-07-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
 222
 223         PR fortran/90813
 224         * dump-parse-tree.c (show_global_symbol): New function.
 225         (gfc_dump_global_symbols): New function.
 226         * gfortran.h (gfc_traverse_gsymbol): Add prototype.
 227         (gfc_dump_global_symbols): Likewise.
 228         * invoke.texi: Document -fdump-fortran-global.
 229         * lang.opt: Add -fdump-fortran-global.
 230         * parse.c (gfc_parse_file): Handle flag_dump_fortran_global.
 231         * symbol.c (gfc_traverse_gsymbol): New function.
 232         * trans-decl.c (sym_identifier): New function.
 233         (mangled_identifier): New function, doing most of the work
 234         of gfc_sym_mangled_identifier.
 235         (gfc_sym_mangled_identifier): Use mangled_identifier.  Add mangled
 236         identifier to global symbol table.
 237         (get_proc_pointer_decl): Use backend decl from global identifier
 238         if present.
 239
 240 2019-07-25  Thomas Koenig  <tkoenig@gcc.gnu.org>
 241
 242         PR fortran/65819
 243         * dependency.h (gfc_dep_resovler): Add optional argument identical.
 244         * dependency.c (gfc_check_dependency): Do not alway return 1 if
 245         the symbol is the same. Pass on identical to gfc_dep_resolver.
 246         (gfc_check_element_vs_element): Whitespace fix.
 247         (gfc_dep_resolver): Adjust comment for function.  If identical is
 248         true, return 1 if any overlap has been found.
 249
 250 2019-07-23  Steven G. Kargl  <kargl@gcc.gnu.org>
 251
 252         PR fortran/54072
 253         * check.c (gfc_invalid_boz): Fix comment.
 254         (illegal_boz_arg): New function.
 255         (gfc_check_transfer): Use to arguments.
 256         (gfc_check_storage_size): Ditto.
 257         (gfc_check_complex): Remove leftover comment from BOZ patch.
 258         * primary.c (match_boz_constant): Remove leftover comment.
 259
 260 2019-07-23  Steven G. Kargl  <kargl@gcc.gnu.org>
 261
 262         * arith.c (gfc_convert_integer, gfc_convert_real, gfc_convert_complex):
 263         Move to ...
 264         * primary.c (convert_integer, convert_real, convert_complex): ... here.
 265         Rename and make static functions.
 266         (match_integer_constant): Use convert_integer
 267         (match_real_constant): Use convert_real.
 268         (match_complex_constant: Use convert_complex.
 269         * arith.h (gfc_convert_integer, gfc_convert_real, gfc_convert_complex):
 270         Remove prototypes.
 271         * array.c (match_array_cons_element): A BOZ cannot be a data
 272         statement value.  Jump to a common exit point.
 273         * check.c (gfc_invalid_boz): New function.  Emit error or warning
 274         for a BOZ in an invalid context.
 275         (boz_args_check): Move to top of file to prevent need of forward
 276         declaration.
 277         (is_boz_constant): New function.  Check that BOZ expr is constant.
 278         (gfc_boz2real): New function. In-place conversion of BOZ literal
 279         constant to REAL in accordance to F2018.
 280         (gfc_boz2int): New function. In-place conversion of BOZ literal
 281         constant to INTEGER in accordance to F2018.
 282         (gfc_check_achar, gfc_check_char, gfc_check_float): Use gfc_invalid_boz.  Convert BOZ
 283         as needed.
 284         (gfc_check_bge_bgt_ble_blt): Enforce F2018 requirements on BGE,
 285         BGT, BLE, and BLT intrinsic functions.
 286         (gfc_check_cmplx): Re-organize to check kind, if present, first.
 287         Convert BOZ real and/or imaginary parts as needed in accordance to
 288         F2018.
 289         (gfc_check_complex): Use gfc_invalid_boz.  Convert BOZ as needed.
 290         (gfc_check_dcmplx, gfc_check_dble ): Convert BOZ as needed.
 291         (gfc_check_dshift): Make dshift[lr] conform to F2018 standard.
 292         gfc_check_float (gfc_expr *a)
 293         (gfc_check_iand_ieor_ior): Make IAND, IEOR, and IOR conform to
 294         F2018 standard.
 295         (gfc_check_int): Conform to F2018 standard.
 296         (gfc_check_intconv): Deprecate SHORT and LONG aliases for INT2 and
 297         INT.  Simply return for a BOZ argument. See gfc_simplify_intconv.
 298         (gfc_check_merge_bits): Make MERGE_BITS conform to Fortran 2018
 299         standard.
 300         (gfc_check_real): Remove incorrect comment. Check kind, if present,
 301         first.  Simply return for a BOZ argument. See gfc_simplify_real.
 302         (gfc_check_and): Re-do error handling for BOZ arguments.  Remove
 303         special casing ts.type != BT_INTEGER or BT_LOGICAL.
 304         * decl.c (match_old_style_init): Check for BOZ in old-style
 305         initialization.  Issue error or warning depending on
 306         -fallow-invalid-boz option.  Issue error if variable is not an
 307         INTEGER or REAL and the value is BOZ.
 308         * expr.c (gfc_copy_expr): Copy a BT_BOZ gfc_expr.
 309         (gfc_check_assign): Re-do error handling for a BOZ in an assignment
 310         statement.  Do in-place conversion of RHS based on LHS type of
 311         INTEGER or REAL.
 312         * gfortran.h (gfc_expr): Add a boz component.  Remove is_boz component.
 313         (gfc_boz2int, gfc_boz2real, gfc_invalid_boz): New prototypes.
 314         * interface.c (gfc_extend_assign): Guard against replacing an
 315         intrinsic involving a BOZ literal constant on RHS.
 316         * invoke.texi: Doument -fallow-invalid-boz.
 317         * lang.opt: New option. -fallow-invalid-boz.
 318         * libgfortran.h (bt): Elevate BOZ to a basic type.
 319         * misc.c (gfc_basic_typename, gfc_typename): Translate BT_BOZ to BOZ.
 320         * primary.c (convert_integer, convert_real, convert_complex): to here.
 321         Rename and make static functions.
 322         * primary.c(match_boz_constant): Rewrite parsing of a BOZ. Re-do
 323         error handling.  Deprecate 'X' for hexidecimal and postfix notation.
 324         Use -fallow-invalid-boz and gfc_invalid_boz to accept deprecated code.
 325         * resolve.c (resolve_ordinary_assign): Rework a RHS that is a
 326         BOZ literal constant.  Use gfc_invalid_boz to allow previous
 327         nonstandard behavior.  Remove range checking of BOZ conversion.
 328         * simplify.c (convert_boz): Remove function.
 329         (simplify_cmplx): Remove conversion of BOZ constants, because
 330         conversion is done in gfc_check_cmplx.
 331         (gfc_simplify_float): Remove conversion of BOZ constant, because
 332         conversion is done in gfc_check_float.
 333         (simplify_intconv): Use gfc_boz2int to convert BOZ to INTEGER.
 334         Remove range checking for BOZ conversion.
 335         (gfc_simplify_real): Use k, if present, to determine kind.  Convert
 336         BOZ to REAL.  Remove range checking for BOZ conversion.
 337         target-memory.c (gfc_convert_boz): Rewrite to deal with convert of
 338         a BOZ to a REAL value.
 339
 340 2019-07-21  Thomas König  <tkoenig@gcc.gnu.org>
 341
 342         PR libfortran/91030
 343         * gfortran.texi (GFORTRAN_FORMATTED_BUFFER_SIZE): Document
 344         (GFORTRAN_UNFORMATTED_BUFFER_SIZE): Likewise.
 345
 346 2019-07-16  Harald Anlauf  <anlauf@gmx.de>
 347
 348         PR fortran/90903
 349         * libgfortran.h: Add mask for -fcheck=bits option.
 350         * options.c (gfc_handle_runtime_check_option): Add option "bits"
 351         to run-time checks selectable via -fcheck.
 352         * trans-intrinsic.c (gfc_conv_intrinsic_btest)
 353         (gfc_conv_intrinsic_singlebitop, gfc_conv_intrinsic_ibits)
 354         (gfc_conv_intrinsic_shift, gfc_conv_intrinsic_ishft)
 355         (gfc_conv_intrinsic_ishftc): Implement run-time checks for the
 356         POS, LEN, SHIFT, and SIZE arguments.
 357         * gfortran.texi: Document run-time checks for bit manipulation
 358         intrinsics.
 359         * invoke.texi: Document new -fcheck=bits option.
 360
 361 2019-07-14  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 362
 363         PR fortran/87233
 364         * expr.c (check_restricted): Relax constraint C1279 which was
 365         removed from F2008 and above.
 366
 367 2019-07-07  Paul Thomas  <pault@gcc.gnu.org>
 368
 369         PR fortran/91077
 370         * trans-array.c (gfc_conv_scalarized_array_ref) Delete code
 371         that gave symbol backend decl for subref arrays and deferred
 372         length variables.
 373
 374 2019-07-05  Andrew Stubbs  <ams@codesourcery.com>
 375
 376         * openmp.c (resolve_omp_clauses): Add custom error messages for
 377         parameters in map clauses.
 378
 379 2019-07-03  Martin Liska  <mliska@suse.cz>
 380
 381         * check.c (gfc_check_c_funloc): Remove
 382         dead assignemts.
 383         * decl.c (variable_decl): Likewise.
 384         * resolve.c (resolve_typebound_function): Likewise.
 385         * simplify.c (gfc_simplify_matmul): Likewise.
 386         (gfc_simplify_scan): Likewise.
 387         * trans-array.c (gfc_could_be_alias): Likewise.
 388         * trans-common.c (add_equivalences): Likewise.
 389         * trans-expr.c (trans_class_vptr_len_assignment): Likewise.
 390         (gfc_trans_array_constructor_copy): Likewise.
 391         (gfc_trans_assignment_1): Likewise.
 392         * trans-intrinsic.c (conv_intrinsic_atomic_op): Likewise.
 393         * trans-openmp.c (gfc_omp_finish_clause): Likewise.
 394         * trans-types.c (gfc_get_array_descriptor_base): Likewise.
 395         * trans.c (gfc_build_final_call): Likewise.
 396
 397 2019-06-27  Steven G. Kargl  <kargl@gcc.gnu.org>
 398
 399         PR fortran/90987
 400         * gfortran.dg/common_1.f: new test.
 401         * gfortran.dg/common_26.f90: Ditto.
 402
 403 2019-06-26  Steven G. Kargl  <kargl@gcc.gnu.org>
 404
 405         PR Fortran/90988
 406         ChangeLog forgotten with revision 272667
 407         * decl.c (access_attr_decl): Use temporary variable to reduce
 408         unreadability of code.  Normalize jumping to return.
 409         (gfc_match_protected): Fix parsing error.  Add comments to
 410         explain code.  Remove dead code.
 411         (gfc_match_private): Use temporary variable to reduce unreadability
 412         of code. Fix parsing error.  Move code to test for blank PRIVATE.
 413         Remove dead code.
 414         (gfc_match_public): Move code to test for blank PUBLIC.  Fix
 415         parsing error.  Remove dead code.
 416
 417 2019-06-24  Jan Hubicka  <jh@suse.cz>
 418
 419         * trans-expr.c (gfc_conv_substring): Check that
 420         type is array or integer prior checking string flag.
 421         (gfc_conv_string_parameter): Likewise.
 422         * trans-openmp.c (gfc_omp_scalar_p): Likewise.
 423         * trans.c (gfc_build_array_ref): Likewise.
 424
 425 2019-06-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 426
 427         PR fortran/89782
 428         * io.c (gfc_resolve_dt): Check that internal units are not
 429         character PARAMETER.
 430
 431 2019-06-21  Steven G. Kargl  <kargl@gcc.gnu.org>
 432
 433         PR fortran/67884
 434         * resolve.c (deferred_requirements) : Check only the result variable.
 435         (resolve_fl_procedure): Check deferred requirements on functions.
 436
 437 2019-06-21  Steven G. Kargl  <kargl@gcc.gnu.org>
 438
 439         PR fortran/51991
 440         * decl.c (gfc_match_save): If SAVE was not seen, return MATCH_NO
 441         instead issuing an error message and returning MATCH_ERROR.
 442
 443 2019-06-20  Steven G. Kargl  <kargl@gcc.gnu.org>
 444
 445         PR fortran/77632
 446         * /decl.c (variable_decl): Mark a variable that is a target in pointer
 447         initialization when in PROGRAM, MODULE, or SUBMODULE scope with an
 448         implicit save.
 449
 450 2019-06-20  Steven G. Kargl  <kargl@gcc.gnu.org>
 451
 452         PR fortran/86587
 453         * symbol.c (verify_bind_c_derived_type): Remove erroneous error
 454         checking for BIND(C) and PRIVATE attributes.
 455
 456 2019-06-20  Thomas Koenig  <tkoenig@gcc.gnu.org>
 457
 458         PR fortran/90937
 459         * trans-types.c (get_formal_from_actual_arglist): Get symbol from
 460         current namespace so it will be freed later.  If symbol is of type
 461         character, get an empty character length.
 462
 463 2019-06-19  Steven G. Kargl  <kargl@gcc.gnu.org>
 464
 465         PR fortran/69499
 466         * match.c (gfc_match_select_type): SELECT TYPE is an executable
 467         statement, and cannot appear in MODULE or SUBMODULE scope.
 468
 469 2019-06-19  Steven G. Kargl  <kargl@gcc.gnu.org>
 470
 471         PR fortran/69398
 472         * decl.c (attr_decl): Check for duplicate DIMENSION attribute for a
 473         CLASS entity.
 474
 475 2019-06-19  Steven G. Kargl  <kargl@gcc.gnu.org>
 476
 477         PR fortran/87907
 478         * resolve.c (resolve_contained_fntype): Do not dereference a NULL
 479         pointer.
 480
 481 2019-06-19  Jim MacArthur  <jim.macarthur@codethink.co.uk>
 482             Mark Eggleston  <mark.eggleston@codethink.com>
 483
 484         PR fortran/89103
 485         * gfortran.texi: Add -fdec-blank-format-item
 486         * invoke.texi: Add option to list of options.
 487         * invoke.texi: Add to section on Commas in FORMAT specifications.
 488         * io.c (check_format): At FMT_RPAREN goto finished if
 489         -fdec-blank-format-item otherwise set error string.
 490         * lang.opt: Add new option.
 491         * options.c (set_dec_flags): Add SET_BITFLAG for
 492         flag_dec_format_defaults.
 493
 494 2019-06-18  Julian Brown  <julian@codesourcery.com>
 495
 496         PR fortran/90921
 497         * trans-decl.c (finish_oacc_declare): Reset module_oacc_clauses
 498         before scanning each namespace.
 499
 500 2019-06-18  Thomas Schwinge  <thomas@codesourcery.com>
 501
 502         PR fortran/85221
 503         * trans-decl.c (add_attributes_to_decl): Handle OpenACC 'declare'
 504         directive.
 505
 506 2019-06-16  Thomas Koenig  <tkoenig@gcc.gnu.org>
 507
 508         * dump_parse_tree (debug): Add verison for formal arglist.
 509         Do not crash when a gfc_expr is NULL.
 510
 511 2019-06-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 512
 513         * decl.c (gfc_match_derived_decl): Dummy argument cannot be a derived
 514         type.
 515
 516 2019-06-14  Steven G. Kargl  <kargl@gcc.gnu.org>
 517
 518         * arith.c (arith_power): Rework overflow of an integer to an integer
 519         exponent.
 520
 521 2019-06-14  Harald Anlauf  <anlauf@gmx.de>
 522
 523         PR fortran/90577
 524         PR fortran/90578
 525         * trans-intrinsic.c (gfc_conv_intrinsic_shift): Properly
 526         distinguish logical/arithmetic shifts.
 527         * intrinsic.texi: Update documentation for SHIFTR/SHIFTL/SHIFTA
 528         (Fortran 2008) and LSHIFT/RSHIFT (GNU extensions).
 529
 530 2019-06-14  Steven G. Kargl  <kargl@gcc.gnu.org>
 531
 532         PR fortran/89646
 533         * dependency.c (gfc_check_argument_var_dependency): Suppress spurious
 534         warnings by comparing variable names.
 535
 536 2019-06-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 537
 538         PR fortran/68544
 539         * resolve.c (is_dt_name): New function to compare symbol name against
 540         list of derived types.
 541         (resolve_actual_arglist): Use it to find wrong code.
 542
 543 2019-06-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 544
 545         PR fortran/89344
 546         * expr.c (gfc_check_vardef_context): Check for INTENT(IN) variable
 547         in SELECT TYPE construct.
 548
 549 2019-06-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 550
 551         PR fortran/88810
 552         * dependency.c (gfc_dep_resolver): Re-arrange code to make the logic
 553         a bit more transparent.  Fix 2 nearby formatting issues.
 554
 555 2019-06-13  Jakub Jelinek  <jakub@redhat.com>
 556
 557         * io.c (check_format): Use G_(...) instead of _(...) for error values,
 558         append " in format string at %L" to all strings but unexpected_element,
 559         use error as gfc_error formating string instead of
 560         "%s in format string at %L".  Formatting fixes.
 561
 562 2019-06-12  Steven G. Kargl  <kargl@gcc.gnu.org>
 563
 564         * gfortran.h (gfc_free_dt_list): Remove prototype.
 565
 566 2019-06-12  Steven G. Kargl  <kargl@gcc.gnu.org>
 567
 568         PR fortran/90002
 569         * array.c (gfc_free_array_spec): When freeing an array-spec, avoid
 570         an ICE for assumed-shape coarrays.
 571
 572 2019-06-08  Paul Thomas  <pault@gcc.gnu.org>
 573
 574         PR fortran/90786
 575         * trans-expr.c (pointer_assignment_is_proc_pointer) Remove as
 576         it is very simple and only called from one place.
 577         (gfc_trans_pointer_assignment): Rename non_proc_pointer_assign
 578         as non_proc_ptr_assign. Assign to it directly, rather than call
 579         to above, deleted function and use gfc_expr_attr instead of
 580         only checking the reference chain.
 581
 582 2019-06-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 583             Tomáš Trnka  <trnka@scm.com>
 584
 585         PR fortran/90744
 586         * trans-types.c (get_formal_from_actual_arglist): Unset typespec
 587         flags which make no sense for procedures without explicit
 588         interface.
 589
 590 2019-06-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 591
 592         PR fortran/90539
 593         * trans-expr.c (gfc_conv_subref_array_arg): If the size of the
 594         expression can be determined to be one, treat it as contiguous.
 595         Set likelyhood of presence of an actual argument according to
 596         PRED_FORTRAN_ABSENT_DUMMY and likelyhood of being contiguous
 597         according to PRED_FORTRAN_CONTIGUOUS.
 598
 599 2019-05-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
 600
 601         * gfc-internals.texi (Translating to GENERIC): New chapter.
 602
 603 2019-05-30  Marek Polacek  <polacek@redhat.com>
 604
 605         * lang.opt (ftail-call-workaround): Fix a typo.
 606
 607 2019-05-30  Jakub Jelinek  <jakub@redhat.com>
 608
 609         * lang.opt (ftail-call-workaround=): Fix a typo - lenghts to lengths.
 610
 611 2019-05-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
 612
 613         PR fortran/90539
 614         * gfortran.h (gfc_has_dimen_vector_ref): Add prototype.
 615         * trans.h (gfc_conv_subref_array_arg): Add argument check_contiguous.
 616         (gfc_conv_is_contiguous_expr): Add prototype.
 617         * frontend-passes.c (has_dimen_vector_ref): Remove prototype,
 618         rename to
 619         (gfc_has_dimen_vector_ref): New function name.
 620         (matmul_temp_args): Use gfc_has_dimen_vector_ref.
 621         (inline_matmul_assign): Likewise.
 622         * trans-array.c (gfc_conv_array_parameter): Also check for absence
 623         of a vector subscript before calling gfc_conv_subref_array_arg.
 624         Pass additional argument to gfc_conv_subref_array_arg.
 625         * trans-expr.c (gfc_conv_subref_array_arg): Add argument
 626         check_contiguous. If that is true, check if the argument
 627         is contiguous and do not repack in that case.
 628         * trans-intrinsic.c (gfc_conv_intrinsic_is_contiguous): Split
 629         away most of the work into, and call
 630         (gfc_conv_intrinsic_is_coniguous_expr): New function.
 631
 632 2019-05-29  Jakub Jelinek  <jakub@redhat.com>
 633
 634         PR fortran/90329
 635         * lang.opt (fbroken-callers): Remove.
 636         (ftail-call-workaround, ftail-call-workaround=): New options.
 637         * gfortran.h (struct gfc_namespace): Add implicit_interface_calls.
 638         * interface.c (gfc_procedure_use): Set implicit_interface_calls
 639         for calls to implicit interface procedures.
 640         * trans-decl.c (create_function_arglist): Use flag_tail_call_workaround
 641         instead of flag_broken_callers.  If it is not 2, also require
 642         sym->ns->implicit_interface_calls.
 643         * invoke.texi (fbroken-callers): Remove documentation.
 644         (ftail-call-workaround, ftail-call-workaround=): Document.
 645
 646 2019-05-26  Thomas Koenig  <tkoenig@gcc.gnu.org>
 647
 648         PR fortran/90539
 649         * trans-types.c (get_formal_from_actual_arglist): Set rank
 650         and lower bound for assumed size arguments.
 651
 652 2019-05-22  Andrew Stubbs  <ams@codesourcery.com>
 653
 654         * trans-stmt.c (gfc_trans_critical): Use size_type_node for
 655         gfor_fndecl_caf_lock and gfor_fndecl_caf_unlock calls.
 656         (gfc_trans_allocate): Use size_type_node for gfor_fndecl_caf_sync_all
 657         call.
 658
 659 2019-05-22  Jeff Law  <law@redhat.com>
 660             Mark Eggleston  <mark.eggleston@codethink.com>
 661
 662         PR fortran/89100
 663         * gfortran.texi: Add Default widths for F, G and I format
 664         descriptors to Extensions section.
 665         * invoke.texi: Add -fdec-format-defaults
 666         * io.c (check_format): Use default widths for i, f and g when
 667         flag_dec_format_defaults is enabled.
 668         * lang.opt: Add new option.
 669         * options.c (set_dec_flags): Add SET_BITFLAG for
 670         flag_dec_format_defaults.
 671
 672 2019-05-21  Janne Blomqvist  <jb@gcc.gnu.org>
 673
 674         PR libfortran/90038
 675         * intrinsic.texi (EXECUTE_COMMAND_LINE): Explain new
 676         wait=.false. implementation.
 677
 678 2019-05-20  Mark Eggleston  <markeggleston@codethink.com>
 679
 680         * gfortran.texi: Remove reference to the ASSIGN statement, capitalise
 681         complex, state that padding is with spaces and modify the Hollerith
 682         constant examples.
 683
 684 2019-05-19  Paul Thomas  <pault@gcc.gnu.org>
 685
 686         PR fortran/90498
 687         * trans-stmt.c (trans_associate_var) Do not use the saved
 688         descriptor if the expression is a COMPONENT_REF.
 689
 690 2019-05-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 691
 692         PR fortran/90329
 693         * invoke.texi: Document -fbroken-callers.
 694         * lang.opt: Add -fbroken-callers.
 695         * trans-decl.c (create_function_arglist): Only set
 696         DECL_HIDDEN_STRING_LENGTH if flag_broken_callers is set.
 697
 698 2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>
 699
 700         PR fortran/89433
 701         * f95-lang.c (gfc_attribute_table): Set min_len to -1 for "omp
 702         declare target".
 703         * trans-decl.c (add_attributes_to_decl): Refer to OpenACC
 704         'routine' clauses from "omp declare target" attribute.
 705
 706 2019-05-16  Martin Sebor  <msebor@redhat.com>
 707
 708         * gfortranspec.c (append_arg): Spell out the word "argument."
 709
 710 2019-05-16  Jakub Jelinek  <jakub@redhat.com>
 711
 712         PR fortran/90329
 713         * trans-decl.c (create_function_arglist): Set
 714         DECL_HIDDEN_STRING_LENGTH on hidden string length PARM_DECLs if
 715         len is constant.
 716
 717 2019-05-15  Janne Blomqvist  <jb@gcc.gnu.org>
 718
 719         * parse.c (gfc_parse_file): Remove translation string markers.
 720
 721 2019-05-12  Janne Blomqvist  <jb@gcc.gnu.org>
 722
 723         * dump-parse-tree.c (get_c_type_name): Use macros for complex type
 724         names.
 725         * parse.c (gfc_parse_file): Define complex macros, add CPP support
 726         when printing C prototypes.
 727
 728 2019-05-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 729
 730         PR fortran/61968
 731         * interface.c (compare_actual_formal): Do not create a vtab if
 732         the actual argument is assumed type.
 733
 734 2019-05-10  Paul Thomas  <pault@gcc.gnu.org>
 735
 736         PR fortran/90093
 737         * trans-decl.c (convert_CFI_desc): Test that the dummy is
 738         present before doing any of the conversions.
 739
 740         PR fortran/90352
 741         * decl.c (gfc_verify_c_interop_param): Restore the error for
 742         charlen > 1 actual arguments passed to bind(C) procs.
 743         Clean up trailing white space.
 744
 745         PR fortran/90355
 746         * trans-array.c (gfc_trans_create_temp_array): Set the 'span'
 747         field to the element length for all types.
 748         (gfc_conv_expr_descriptor): The force_no_tmp flag is used to
 749         prevent temporary creation, especially for substrings.
 750         * trans-decl.c (gfc_trans_deferred_vars): Rather than assert
 751         that the backend decl for the string length is non-null, use it
 752         as a condition before calling gfc_trans_vla_type_sizes.
 753         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): 'force_no_tmp'
 754         is set before calling gfc_conv_expr_descriptor.
 755         * trans.c (get_array_span): Move the code for extracting 'span'
 756         from gfc_build_array_ref to this function. This is specific to
 757         descriptors that are component and indirect references.
 758         * trans.h : Add the force_no_tmp flag bitfield to gfc_se.
 759
 760 2019-05-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 761
 762         PR fortran/90351
 763         PR fortran/90329
 764         * dump-parse-tree.c: Include version.h.
 765         (gfc_dump_external_c_prototypes): New function.
 766         (get_c_type_name): Select "char" as a name for a simple char.
 767         Adjust to handling external functions. Also handle complex.
 768         (write_decl): Add argument bind_c. Adjust for dumping of external
 769         procedures.
 770         (write_proc): Likewise.
 771         (write_interop_decl): Add bind_c argument to call of write_proc.
 772         * gfortran.h: Add prototype for gfc_dump_external_c_prototypes.
 773         * lang.opt: Add -fc-prototypes-external flag.
 774         * parse.c (gfc_parse_file): Move dumping of BIND(C) prototypes.
 775         Call gfc_dump_external_c_prototypes if option is set.
 776         * invoke.texi: Document -fc-prototypes-external.
 777
 778 2019-05-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 779
 780         PR fortran/90290
 781         * match.c (gfc_match_stopcode): Check F2008 condition on stop code.
 782
 783 2019-05-01  Andrew Benson  <abensonca@gmail.com>
 784
 785         * module.c (write_module): Initialize module_column before writing
 786         module to ensure line break occurs at correct column.
 787
 788 2019-05-01  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 789
 790         PR fortran/60144
 791         * match.c (gfc_match_parens): Change the location for missing ')'.
 792         (gfc_match_if): Detect a missing '('. Remove the spurious named
 793         constant error. Change the wording of some errors.
 794         (gfc_match_else): Change the wording of an error.
 795         (gfc_match_elseif): Detect a missing '('. Improve the matching
 796         process to get a better syntax analysis.
 797
 798 2019-04-19  Steven G. Kargl  <kargl@gcc.gnu.org>
 799
 800         PR fortran/90166
 801         * decl.c (in_module_or_interface): New function to check that the
 802         current state is in a module, submodule, or interface.
 803         (gfc_match_prefix): Use it.
 804
 805 2019-04-22  Paul Thomas  <pault@gcc.gnu.org>
 806
 807         PR fortran/57284
 808         * resolve.c (find_array_spec): If this is a class expression
 809         and the symbol and component array specs are the same, this is
 810         not an error.
 811         *trans-intrinsic.c (gfc_conv_intrinsic_size): If a class symbol
 812         argument, has no namespace, it has come from the interface
 813         mapping and the _data component must be accessed directly.
 814
 815 2019-04-17  Thomas Schwinge  <thomas@codesourcery.com>
 816
 817         PR fortran/90048
 818         * openmp.c (gfc_resolve_do_iterator): Handle sharing_clauses for
 819         OpenACC, too.
 820         (gfc_resolve_oacc_blocks): Populate sharing_clauses with private
 821         clauses.
 822
 823 2019-04-14  Paul Thomas  <pault@gcc.gnu.org>
 824
 825         PR fortran/89843
 826         * trans-decl.c (gfc_get_symbol_decl): Assumed shape and assumed
 827         rank dummies of bind C procs require deferred initialization.
 828         (convert_CFI_desc): New procedure to convert incoming CFI
 829         descriptors to gfc types and back again.
 830         (gfc_trans_deferred_vars): Call it.
 831         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Null the CFI
 832         descriptor pointer. Free the descriptor in all cases.
 833
 834         PR fortran/89846
 835         * expr.c (is_CFI_desc): New function.
 836         (is_subref_array): Tidy up by referencing the symbol directly.
 837         * gfortran.h : Prototype for is_CFI_desc.
 838         * trans_array.c (get_CFI_desc): New function.
 839         (gfc_get_array_span, gfc_conv_scalarized_array_ref,
 840         gfc_conv_array_ref): Use it.
 841         * trans.c (get_array_span): Extract the span from descriptors
 842         that are indirect references.
 843
 844         PR fortran/90022
 845         * trans-decl.c (gfc_get_symbol_decl): Make sure that the se
 846         expression is a pointer type before converting it to the symbol
 847         backend_decl type.
 848         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Eliminate
 849         temporary creation for intent(in).
 850
 851 2019-04-13  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 852
 853         PR fortran/79842
 854         * module.c (gfc_use_module): use complete sentences.
 855
 856 2019-04-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
 857
 858         PR translation/89939
 859         * frontend-passes.c (B_ERROR): Delete macro.
 860         (C_ERROR): Delete macro.
 861         (B_ERROR_1): New macro.
 862         (C_ERROR_1): New macro.
 863         (C_ERROR_2): New macro.
 864         (inline_matmul_assign): Use new macros.
 865         (call_external_blas): Likewise.
 866
 867 2019-04-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 868
 869         PR fortran/87352
 870         * gfortran.h (gfc_component): Add finalized field.
 871         * class.c (finalize_component): If the component is already
 872         finalized, return early.  Set component->finalized on exit.
 873
 874 2019-04-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 875
 876         PR fortran/89981
 877         * resolve.c (resolve_global_procedure): If the global symbol is an
 878         ENTRY, also look up its name among the entries.
 879
 880 2019-04-04  Harald Anlauf  <anlauf@gmx.de>
 881
 882         PR fortran/89904
 883         * check.c (gfc_check_transfer): Reject procedures as actual
 884         arguments for SOURCE and MOLD of TRANSFER intrinsic.
 885
 886 2019-04-03  Steven G. Kargl  <kargl@gcc.gnu.org>
 887
 888         PR fortran/68567
 889         * expr.c (gfc_reduce_init_expr): Add extra check to avoid
 890         dereferencing a null pointer.
 891
 892 2019-04-03  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 893
 894         PR fortran/89375
 895         * expr.c (comp_pointer): Remove redundant condition.
 896
 897 2019-03-31  Harald Anlauf  <anlauf@gmx.de>
 898
 899         PR fortran/83515
 900         PR fortran/85797
 901         * trans-types.c (gfc_typenode_for_spec): Handle conversion for
 902         procedure pointers.
 903         * target-memory.c (gfc_element_size): Handle size determination
 904         for procedure pointers.
 905
 906 2019-03-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
 907
 908         * dump-parse-tree.c (debug): Add for symbol_attribute *,
 909         symbol_attribute and gfc_ref * arguments.
 910
 911 2019-03-30  Paul Thomas  <pault@gcc.gnu.org>
 912
 913         PR fortran/89841
 914         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Use the formal
 915         argument attributes rather than those of the actual argument.
 916
 917         PR fortran/89842
 918         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Call
 919         'set_dtype_for_unallocated' for any type of arrayspec.
 920
 921 2019-03-27  Janus Weil  <janus@gcc.gnu.org>
 922
 923         PR fortran/85537
 924         * expr.c (gfc_check_assign_symbol): Reject internal and dummy procedures
 925         in procedure pointer initialization.
 926
 927 2019-03-27  Paul Thomas  <pault@gcc.gnu.org>
 928
 929         PR fortran/88247
 930         * expr.c (is_subref_array): Permit substrings to be detected
 931         as subref arrays.
 932         * trans-array.c (get_array_ctor_var_strlen): Obtain the length
 933         of deferred length strings. Handle substrings with a NULL end
 934         expression.
 935         (trans_array_constructor): Remove an unnecessary blank line.
 936         (gfc_conv_scalarized_array_ref): Skip to label 'done' if 'decl'
 937         is a pointer array.
 938         (get_array_charlen): If the expression is an array, convert the
 939         first element of the constructor and use its string length. Get
 940         a new charlen if necessary.
 941         (gfc_conv_expr_descriptor): Call 'get_array_charlen' for array
 942         constructor expressions. If the ss_info string length is
 943         available, use that to set the span of character arrays.
 944         * trans-expr.c (gfc_get_expr_charlen): Handle substrings
 945         * trans-stmt.c (trans_associate_var): Set the pointer array
 946         flag for variable targets and constant array constructors. Take
 947         care not to reset the string length or the span in the case of
 948         expressions that are not converted as direct by reference.
 949
 950 2019-03-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 951
 952         * intrinsic.texi (MINLOC): Fix typo in BACK argument documentation.
 953         (MAXLOC): Likewise.
 954
 955 2019-03-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
 956
 957         PR fortran/78865
 958         * interface.c (compare_actual_formal): Change errors about
 959         missing or extra to gfc_error_now to make sure they are issued.
 960         Change "spec" to "specifier" in message.
 961         * resolve.c (resolve_global_procedure): Also check for mismatching
 962         interface with global symbols if the namespace has already been
 963         resolved.
 964
 965 2019-03-21  Thomas Schwinge  <thomas@codesourcery.com>
 966
 967         PR fortran/72741
 968         * openmp.c (gfc_match_oacc_routine): Set the level of parallelism
 969         for all variants.
 970         (gfc_resolve_oacc_routines): Call gfc_add_omp_declare_target.
 971
 972         PR fortran/89773
 973         * gfortran.h (gfc_oacc_routine_name): Add loc member.
 974         (gfc_resolve_oacc_routines): Declare.
 975         * openmp.c (gfc_match_oacc_routine): Move some error checking
 976         into...
 977         (gfc_resolve_oacc_routines): ... this new function.
 978         * resolve.c (resolve_codes): Call it.
 979
 980         PR fortran/72741
 981         * openmp.c (gfc_match_oacc_routine): Clarify.
 982
 983         PR fortran/72741
 984         * module.c (verify_OACC_ROUTINE_LOP_NONE): New function.
 985         (enum ab_attribute): Add AB_OACC_ROUTINE_LOP_GANG,
 986         AB_OACC_ROUTINE_LOP_WORKER, AB_OACC_ROUTINE_LOP_VECTOR,
 987         AB_OACC_ROUTINE_LOP_SEQ.
 988         (attr_bits): Add these.
 989         (mio_symbol_attribute): Handle these.
 990
 991 2019-03-20  Janus Weil  <janus@gcc.gnu.org>
 992
 993         PR fortran/71861
 994         * symbol.c (check_conflict): ABSTRACT attribute conflicts with
 995         INTRINSIC attribute.
 996
 997 2019-03-18  Thomas Koenig  <tkoeng@gcc.gnu.org>
 998
 999         PR fortran/68009
1000         * iresolve.c: Include trans.h.
1001         (gfc_resolve_fe_runtine_error): Set backend_decl on
1002         resolved_sym.
1003
1004 2019-03-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
1005
1006         PR fortran/88008
1007         * gfortran.h (expr_t): Add EXPR_UNKNOWN.
1008         * expr.c (gfc_copy_expr): Add EXPR_UNKNOWN to switch statement.
1009         (gfc_simplify_expr): Likewise.
1010         * module.c (mio_expr): Likewise.
1011         * resovle.c (extract_compcall_passed_object): Issue error on
1012         unknown type.
1013         (check_typebound_baseobject): Issue error on wrong type.
1014         * trans-expr.c (gfc_apply_interface_mapping_to_expr): Add
1015         EXPR_UNKNOWN to switch statement.
1016
1017 2019-03-16  Jakub Jelinek  <jakub@redhat.com>
1018
1019         PR fortran/89724
1020         * scanner.c (load_line): Remove linenum and current_line static
1021         variables, add warned_tabs automatic variable.  Use current_file->line
1022         instead of current_line and warned_tabs boolean to avoid diagnosing
1023         tabs multiple times on the same line.
1024
1025 2019-03-16  Thomas Koenig  <tkoenig@gcc.gnu.org>
1026
1027         PR fortran/84394
1028         * symbol.c (gfc_add_subroutine): If we are encountering a
1029         subrtoutine within a BLOCK DATA and the name starts with an
1030         underscore, do not check.
1031
1032 2019-03-15  Harald Anlauf  <anlauf@gmx.de>
1033
1034         PR fortran/60091
1035         * expr.c (gfc_check_pointer_assign): Correct and improve error
1036         messages for invalid pointer assignments.
1037
1038 2019-03-14  Thomas Koenig  <tkoenig@gcc.gnu.org>
1039
1040         * gfortran.texi: Document Q edit descriptor under
1041         "Extensions not implemented in GNU Fortran".
1042
1043 2019-03-13  Harald Anlauf  <anlauf@gmx.de>
1044
1045         PR fortran/87045
1046         * trans-expr.c (gfc_trans_pointer_assignment): Move check for same
1047         string length so that we do not get false errors for deferred
1048         length.
1049
1050 2019-03-13  Janus Weil  <janus@gcc.gnu.org>
1051
1052         PR fortran/89601
1053         * decl.c (gfc_match_formal_arglist): Reject empty type parameter lists.
1054         (gfc_match_derived_decl): Mark as PDT only if type parameter list was
1055         matched successfully.
1056
1057 2019-03-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1058
1059         PR fortran/66695
1060         PR fortran/77746
1061         PR fortran/79485
1062         * gfortran.h (gfc_symbol): Add bind_c component.
1063         (gfc_get_gsymbol): Add argument bind_c.
1064         * decl.c (add_global_entry): Add bind_c argument to
1065         gfc_get_symbol.
1066         * parse.c (parse_block_data): Likewise.
1067         (parse_module): Likewise.
1068         (add_global_procedure): Likewise.
1069         (add_global_program): Likewise.
1070         * resolve.c (resolve_common_blocks): Likewise.
1071         (resolve_global_procedure): Likewise.
1072         (gfc_verify_binding_labels): Likewise.
1073         * symbol.c (gfc_get_gsymbol): Add argument bind_c. Set bind_c
1074         in gsym.
1075         * trans-decl.c (gfc_get_module_backend_decl): Add bind_c argument
1076         to gfc_get_symbol.
1077         (gfc_get_extern_function_decl): If the sym has a binding label
1078         and it cannot be found in the global symbol tabel, it is the wrong
1079         one and vice versa.
1080
1081 2019-03-12  Thomas Koenig  <tkoenig@gcc.gnu.org>
1082
1083         PR fortran/87673
1084         * match.c (gfc_match_type_spec): Remove call to
1085         gfc_resolve_expr for character length.
1086
1087 2019-03-12  Martin Liska  <mliska@suse.cz>
1088
1089         * decl.c (add_init_expr_to_sym): Replace usage of 'can't'
1090         with 'cannot'.
1091         (variable_decl): Likewise.
1092         (cray_pointer_decl): Likewise.
1093         (match_binding_attributes): Likewise.
1094         * f95-lang.c (gfc_init): Likewise.
1095         * interface.c (gfc_check_typebound_override): Likewise.
1096         * intrinsic.c (make_generic): Likewise.
1097         * module.c (dump_module): Likewise.
1098         (gfc_use_module): Likewise.
1099         * primary.c (gfc_convert_to_structure_constructor): Likewise.
1100         * resolve.c (resolve_entries): Likewise.
1101         (check_generic_tbp_ambiguity): Likewise.
1102         (get_checked_tb_operator_target): Likewise.
1103         * scanner.c (load_file): Likewise.
1104         * trans-expr.c (gfc_conv_intrinsic_to_class): Likewise.
1105
1106 2019-03-12  Paul Thomas  <pault@gcc.gnu.org>
1107
1108         PR fortran/89363
1109         PR fortran/89364
1110         * trans-expr.c (set_dtype_for_unallocated): New function.
1111         (gfc_conv_gfc_desc_to_cfi_desc): Call it for allocatable and
1112         pointer arguments.
1113         (gfc_conv_procedure_call): Likewise. Also, set the ubound of
1114         the final dimension to -1 for assumed rank formal args that are
1115         associated with assumed size arrays.
1116         * trans-intrinsic.c (gfc_conv_intrinsic_bound): Return -1 for
1117         the final dimension of assumed rank entities that are argument
1118         associated with assumed size arrays.
1119         (gfc_conv_intrinsic_shape): Likewise return -1 for the final
1120         dimension of the shape intrinsic.
1121
1122 2019-03-11  Jakub Jelinek  <jakub@redhat.com>
1123
1124         PR fortran/89651
1125         * trans-openmp.c (gfc_omp_clause_default_ctor): Set TREE_NO_WARNING
1126         on decl if adding COND_EXPR for allocatable.
1127         (gfc_omp_clause_copy_ctor): Set TREE_NO_WARNING on dest.
1128
1129 2019-03-11  Martin Liska  <mliska@suse.cz>
1130
1131         * decl.c (match_record_decl): Wrap an option name
1132         in a string format message and fix GNU coding style.
1133         (gfc_match_pointer): Likewise.
1134         * expr.c (find_array_section): Likewise.
1135         * intrinsic.c (gfc_is_intrinsic): Likewise.
1136         * options.c (gfc_post_options): Likewise.
1137         * primary.c (match_integer_constant): Likewise.
1138         * trans-common.c (translate_common): Likewise.
1139
1140 2019-03-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
1141
1142         PR fortran/66089
1143         * trans-array.c (gfc_scalar_elemental_arg_saved_as_reference):
1144         Return false if a scalar tempoary is needed.
1145         (gfc_walk_variable_expr): Fix up class refs.
1146
1147 2019-03-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
1148
1149         PR fortran/87734
1150         * symbol.c (gfc_add_procedure): Only throw an error if the
1151         procedure has not been declared either PUBLIC or PRIVATE.
1152
1153 2019-03-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
1154
1155         PR fortran/71544
1156         * trans-types.c (gfc_typenode_for_spec) Set ts->is_c_interop of
1157         C_PTR and C_FUNPTR.
1158         (create_fn_spec): Mark argument as escaping if ts->is_c_interop is set.
1159
1160 2019-03-09  Janus Weil  <janus@gcc.gnu.org>
1161
1162         PR fortran/84504
1163         * expr.c (gfc_check_assign_symbol): Deal with procedure pointers to
1164         pointer-valued functions.
1165
1166 2019-03-09  Thomas König  <tkoenig@gcc.gnu.org>
1167
1168         PR fortran/71203
1169         * decl.c (add_init_expr_to_sym): Add shape if init has none.  Add
1170         asserts that it has to be an EXPR_ARRAY in this case.
1171
1172 2019-03-08  Jakub Jelinek  <jakub@redhat.com>
1173
1174         PR other/80058
1175         * arith.c (gfc_complex2complex): Avoid two spaces in the middle of
1176         diagnostics.
1177         * resolve.c (resolve_allocate_expr): Likewise.
1178
1179 2019-03-06  Harald Anlauf  <anlauf@gmx.de>
1180
1181         PR fortran/71203
1182         * expr.c (simplify_const_ref): Avoid null pointer dereference.
1183
1184 2019-03-03  Harald Anlauf  <anlauf@gmx.de>
1185             Steven G. Kargl  <kargl@gcc.gnu.org>
1186
1187         PR fortran/77583
1188         * symbol.c (check_conflict): Check for valid procedure name
1189         passed to error reporting routine.
1190
1191 2019-03-03  Thomas Koenig  <tkoenig@gcc.gnu.org>
1192
1193         PR fortran/72714
1194         * resolve.c (resolve_allocate_expr): Add some tests for coarrays.
1195
1196 2019-03-02  Harald Anlauf  <anlauf@gmx.de>
1197
1198         PR fortran/89516
1199         * check.c (gfc_calculate_transfer_sizes): Correct checks for cases
1200         where storage size of elements of MOLD is 0.
1201
1202 2019-02-28  Thomas Schwinge  <thomas@codesourcery.com>
1203             Cesar Philippidis  <cesar@codesourcery.com>
1204
1205         PR fortran/72741
1206         PR fortran/89433
1207         * openmp.c (gfc_match_oacc_routine): Handle repeated use of the
1208         Fortran OpenACC 'routine' directive.
1209
1210         PR fortran/72741
1211         * gfortran.h (enum oacc_routine_lop): Add OACC_ROUTINE_LOP_ERROR.
1212         * openmp.c (gfc_oacc_routine_lop, gfc_match_oacc_routine): Use it.
1213         * trans-decl.c (add_attributes_to_decl): Likewise.
1214
1215         PR fortran/72741
1216         PR fortran/89433
1217         * openmp.c (gfc_match_oacc_routine): Accept intrinsic symbols.
1218
1219 2019-02-26  Harald Anlauf  <anlauf@gmx.de>
1220
1221         PR fortran/89492
1222         * check.c (gfc_calculate_transfer_sizes): Handle cases where
1223         storage size of elements of MOLD is 0.
1224
1225 2019-02-26  Thomas Koenig  <tkoenig@gcc.gnu.org>
1226
1227         PR fortran/89496
1228         * trans-types.c (get_formal_from_actual_arglist): If
1229         the actual arglist has no expression, the corresponding
1230         formal arglist is an alternate return.
1231
1232 2019-02-26  Uroš Bizjak  <ubizjak@gmail.com>
1233
1234         * invoke.texi (-ffpe-trap): Use @var for every item in the list.
1235
1236 2019-02-26  Jakub Jelinek  <jakub@redhat.com>
1237
1238         PR fortran/43210
1239         * trans-array.c (gfc_conv_array_initializer): Use RANGE_EXPR instead
1240         of duplicating the initializer possibly many times.
1241
1242 2019-02-24  Thomas Koenig  <tkoenig@gcc.gnu.org>
1243
1244         PR fortran/89174
1245         * trans-expr.c (gfc_find_and_cut_at_last_class_ref): Add is_mold
1246         to arguments. If we are dealing with a MOLD, call
1247         gfc_expr_to_initialize().
1248         * trans-stmt.c (gfc_trans_allocate): For MOLD, pass is_mold=true
1249         to gfc_find_and_cut_at_last_class_ref.
1250         * trans.h (gfc_find_and_cut_at_last_class_ref): Add optional
1251         argument is_mold with default false.
1252
1253 2019-02-24  Harald Anlauf  <anlauf@gmx.de>
1254
1255         PR fortran/89266
1256         PR fortran/88326
1257         * target-memory.c (gfc_element_size): Return false if element size
1258         cannot be determined; element size is returned separately.
1259         (gfc_target_expr_size): Return false if expression size cannot be
1260         determined; expression size is returned separately.
1261         * target-memory.h: Adjust prototypes.
1262         * check.c (gfc_calculate_transfer_sizes): Adjust references to
1263         gfc_target_expr_size, gfc_element_size.
1264         * arith.c (hollerith2representation): Likewise.
1265         * class.c (find_intrinsic_vtab): Likewise.
1266         * simplify.c (gfc_simplify_sizeof): Likewise.
1267
1268 2019-02-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1269
1270         PR fortran/84387
1271         * trans-io.c (transfer_expr): Do not return if there are no
1272         components to the derived type or class.
1273
1274 2019-02-23  Paul Thomas  <pault@gcc.gnu.org>
1275
1276         PR fortran/88117
1277         * resolve.c (deferred_op_assign): Return if the lhs expression
1278         has the pointer attribute.
1279         * trans-expr.c (gfc_trans_assignment_1): Do not fix the string
1280         length if the lhs expression has the pointer attribute.
1281
1282 2019-02-23  Paul Thomas  <pault@gcc.gnu.org>
1283
1284         PR fortran/89385
1285         PR fortran/89366
1286         * decl.c (gfc_verify_c_interop_param): Restriction on string
1287         length being one is lifted for F2018.
1288         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): For scalar
1289         characters with intent in, make a temporary and copy the result
1290         of the expression evaluation into it.
1291         (gfc_conv_procedure_call): Set a flag for character formal args
1292         having a character length that is not unity. If the procedure
1293         is bind C, call gfc_conv_gfc_desc_to_cfi_desc in this case.
1294         Also, extend bind C calls to unconditionally convert both
1295         pointers and allocatable expressions.
1296
1297 2019-02-23  David Malcolm  <dmalcolm@redhat.com>
1298             Jakub Jelinek  <jakub@redhat.com>
1299
1300         PR middle-end/88074
1301         * simplify.c (norm2_do_sqrt, gfc_simplify_norm2): Use
1302         mpfr_number_p && !mpfr_zero_p instead of mpfr_regular_p.
1303         (norm2_add_squared): Likewise.  Use mp_exp_t rather than mpfr_exp_t.
1304
1305 2019-02-22  Harald Anlauf  <anlauf@gmx.de>
1306
1307         PR fortran/83057
1308         * io.c (gfc_match_open): Fix logic in checks of OPEN statement
1309         when NEWUNIT= is specified.
1310
1311 2019-02-22  Steven G. Kargl  <kargl@gcc.gnu.org>
1312
1313         PR fortran/89431
1314         * gfortran.texi: Fix documentation to match the implementation.
1315
1316 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
1317             Cesar Philippidis  <cesar@codesourcery.com>
1318
1319         PR fortran/72741
1320         * gfortran.h (oacc_routine_lop): New enum.
1321         (symbol_attribute): Use it.
1322         * openmp.c (gfc_oacc_routine_dims): Replace with...
1323         (gfc_oacc_routine_lop): ... this new function.
1324         (gfc_match_oacc_routine): Adjust.
1325         * trans-decl.c (add_attributes_to_decl): Likewise.
1326
1327 2019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
1328
1329         * openmp.c (gfc_match_oacc_declare): Revert earlier changes.
1330
1331 2019-02-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
1332
1333         * dump-parse-tree.c (debug): Implement for gfc_expr *,
1334         gfc_typespec *, gfc_typespec and gfc_symbol *.
1335
1336 2019-02-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
1337
1338         PR fortran/86119
1339         * class.c (gfc_get_len_component): Add argument k for kind.
1340         If the kind of the resulting expression is not equal to k,
1341         convert it.
1342         * gfortran.h (gfc_len_component): Adjust prototype.
1343         * simplify.c (gfc_simplify_len): Pass kind to
1344         gfc_get_len_component.
1345
1346 2019-02-20  Martin Liska  <mliska@suse.cz>
1347
1348         * gfortran.texi: Change singular to plural.
1349
1350 2019-02-20  Martin Liska  <mliska@suse.cz>
1351
1352         * gfortran.texi: Document Fortran header directive.
1353
1354 2019-02-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
1355
1356         PR fortran/89384
1357         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): If the dummy
1358         argument is contiguous and the actual argument may not be,
1359         use gfc_conv_subref_array_arg.
1360
1361 2019-02-19  Thomas Schwinge  <thomas@codesourcery.com>
1362
1363         PR c/87924
1364         * openmp.c (gfc_match_omp_clauses): Add representation of wait clause
1365         without argument as 'wait (GOMP_ASYNC_NOVAL)'.
1366
1367 2019-02-18  Thomas Koenig  <tkoenig@gcc.gnu.org>
1368
1369         PR fortran/87689
1370         * trans-decl.c (gfc_get_extern_function_decl): Add argument
1371         actual_args and pass it through to gfc_get_function_type.
1372         * trans-expr.c (conv_function_val): Add argument actual_args
1373         and pass it on to gfc_get_extern_function_decl.
1374         (conv_procedure_call): Pass actual arguments to conv_function_val.
1375         * trans-types.c (get_formal_from_actual_arglist): New function.
1376         (gfc_get_function_type): Add argument actual_args.  Generate
1377         formal args from actual args if necessary.
1378         * trans-types.h (gfc_get_function_type): Add optional argument.
1379         * trans.h (gfc_get_extern_function_decl): Add optional argument.
1380
1381 2019-02-18  Martin Liska  <mliska@suse.cz>
1382
1383         * decl.c (gfc_match_gcc_builtin): Add support for filtering
1384         of builtin directive based on multilib ABI name.
1385
1386 2019-02-17  Harald Anlauf  <anlauf@gmx.de>
1387
1388         PR fortran/88299
1389         * resolve.c (resolve_common_blocks,resolve_common_vars): Move
1390         check for obsolent COMMON feature in F2018 to better place.
1391
1392 2019-02-17  Harald Anlauf  <anlauf@gmx.de>
1393
1394         PR fortran/89077
1395         * decl.c (gfc_set_constant_character_len): Clear original string
1396         representation after padding has been performed to target length.
1397
1398 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
1399
1400         PR middle-end/88074
1401         * simplify.c (simplify_transformation_to_array): Run post_op
1402         immediately after processing corresponding row, rather than at the
1403         end.
1404         (norm2_scale): New variable.
1405         (add_squared): Rename to ...
1406         (norm2_add_squared): ... this.  Scale down operand and/or result
1407         if needed.
1408         (do_sqrt): Rename to ...
1409         (norm2_do_sqrt): ... this.  Handle the result == e case.  Scale up
1410         result and clear norm2_scale.
1411         (gfc_simplify_norm2): Clear norm2_scale.  Change add_squared to
1412         norm2_add_squared and &do_sqrt to norm2_do_sqrt.  Scale up result
1413         and clear norm2_scale again.
1414
1415 2019-02-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
1416
1417         PR fortran/71066
1418         * trans-decl.c (generate_coarray_sym_init): For an array
1419         constructor in a DATA statement of a coarray variable, set the
1420         rank to 1 to avoid confusion later on.  If the constructor
1421         contains only one value, use that for initiailizig.
1422
1423 2019-02-14  Janne Blomqvist  <jb@gcc.gnu.org>
1424
1425         PR fortran/81552
1426         * gfortran.h (gfc_option_t): Make flag_init_integer_value a long.
1427         * options.c (gfc_handle_option): Use strtol instead of atoi.
1428         * invoke.texi: Document -finit-integer behavior in more detail.
1429
1430 2019-02-14  Harald Anlauf  <anlauf@gmx.de>
1431
1432         PR fortran/88248
1433         * symbol.c: Move check for labeled DO statement from
1434         gfc_define_st_label to gfc_reference_st_label.
1435
1436 2019-02-14  Cesar Philippidis  <cesar@codesourcery.com>
1437
1438         PR fortran/72715
1439         * openmp.c (resolve_oacc_nested_loops): Error on do concurrent
1440         loops.
1441
1442 2019-02-13  Martin Liska  <mliska@suse.cz>
1443
1444         PR fortran/88649
1445         * resolve.c (resolve_operator): Initialize 't' right
1446         after function entry.  Skip switch (e->value.op.op)
1447         for -fdec operands that become function calls.
1448
1449 2019-02-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
1450
1451         PR fortran/71723
1452         * expr.c (gfc_check_assign): Add argument is_init_expr.  If we are
1453         looking at an init expression, issue error if the target is not a
1454         TARGET and we are not looking at a procedure pointer.
1455         * gfortran.h (gfc_check_assign): Add optional argument
1456         is_init_expr.
1457
1458 2019-02-09  Harald Anlauf  <anlauf@gmx.de>
1459
1460         PR fortran/89077
1461         * resolve.c (gfc_resolve_substring_charlen): Check substring
1462         length for constantness prior to general calculation of length.
1463
1464 2019-02-09  Paul Thomas  <pault@gcc.gnu.org>
1465
1466         PR fortran/89200
1467         * trans-array.c (gfc_trans_create_temp_array): Set the 'span'
1468         field for derived types.
1469
1470 2019-02-04  Harald Anlauf  <anlauf@gmx.de>
1471
1472         PR fortran/89077
1473         * decl.c (add_init_expr_to_sym): Copy length of string initializer
1474         to declared symbol.
1475
1476 2019-02-04  Martin Liska  <mliska@suse.cz>
1477
1478         PR fortran/89185
1479         * resolve.c (resolve_ref): Remove breakout variable as
1480         we need to prevent prev = &(*prev)->next to happen
1481         with *prev == NULL.
1482
1483 2019-02-04  Martin Liska  <mliska@suse.cz>
1484
1485         PR fortran/88912
1486         * scanner.c (load_file): Report error for -fpre-include
1487         file and do not ICE.
1488
1489 2019-02-02  Dominique d'Humieres  <dominiq@gcc.gnu.org>
1490
1491         PR fortran/81344
1492         * invoke.texi: Document the behavior of repeated -ffpe-trap
1493         and -ffpe-summary.
1494
1495 2019-02-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
1496
1497         PR fortran/88298
1498         * arith.c (gfc_int2int): Do not warn if src->do_not_warn is set.
1499         * gfortran.h (gfc_expr): Add flag do_not_warn.
1500         * intrinsic.c (gfc_convert_type_warn): Set expr->do_not_warn if
1501         no warning is desired.
1502
1503 2019-02-02  Paul Thomas  <pault@gcc.gnu.org>
1504
1505         PR fortran/88393
1506         * trans-expr.c (gfc_conv_procedure_call): For derived entities,
1507         passed in parentheses to class formals, invert the order of
1508         copying allocatable components to taking the _data of the
1509         class expression.
1510
1511 2019-02-02  Paul Thomas  <pault@gcc.gnu.org>
1512
1513         PR fortran/88980
1514         * trans-array.c (gfc_array_init_size): Add element_size to the
1515         arguments.
1516         (gfc_array_allocate): Remove the recalculation of the size of
1517         the element and use element_size from the call to the above.
1518         Unconditionally set the span field of the descriptor.
1519
1520 2019-02-02  Paul Thomas  <pault@gcc.gnu.org>
1521
1522         PR fortran/88685
1523         * expr.c (is_subref_array): Move the check for class pointer
1524         dummy arrays to after the reference check. If we haven't seen
1525         an array reference other than an element and a component is not
1526         class or derived, return false.
1527
1528 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
1529
1530         PR fortran/83246
1531         PR fortran/89084
1532         * trans-decl.c (generate_local_decl): Add referenced FL_PARAMETERs
1533         if sym->ns->construct_entities rather than if
1534         sym->ns->parent->code->op == EXEC_BLOCK.
1535
1536 2019-01-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
1537
1538         PR fortran/88669
1539         * resolve.c (resolve_component): If the reference is a BT_CLASS,
1540         copy the contiguous attribute from the reference and use the
1541         correct attributes.
1542
1543 2019-01-30  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1544
1545         PR fortran/52564
1546         * io.c (match_io): Add check for comma after '*' without subsequent
1547         IO list.
1548
1549 2019-01-30  Dominique d'Humieres  <dominiq@gcc.gnu.org>
1550
1551         PR fortran/52884
1552         * invoke.texi: Document the promotion of double precision
1553         constants.
1554
1555 2019-01-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
1556
1557         PR fortran/57048
1558         * interface.c (gfc_compare_types): If a derived type and an
1559         integer both have a derived type, and they are identical,
1560         this is a C binding type and compares equal.
1561
1562 2019-01-26  Harald Anlauf  <anlauf@gmx.de>
1563
1564         PR fortran/57553
1565         * expr.c (check_inquiry): Add list of inquiry functions allowed in
1566         constant expressions for F2008+.
1567
1568 2019-01-25  Steven G. Kargl  <kargl@gcc.gnu.org>
1569
1570         PR fortran/85780
1571         * decl.c (gfc_match_subroutine): Check for conflict between BIND(C)
1572         and alternative return.
1573
1574 2019-01-24  Paul Thomas  <pault@gcc.gnu.org>
1575
1576         PR fortran/88929
1577         * trans-array.c (gfc_conv_descriptor_elem_len): New function.
1578         * trans-array.h : Add prototype for above.
1579         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Take account of
1580         assumed rank arrays being flagged by rank = -1 in expressions.
1581         Intent in arrays need a pointer to a copy of the data to be
1582         assigned to the descriptor passed for conversion. This should
1583         then be freed, together with the CFI descriptor on return from
1584         the C call.
1585
1586 2019-01-22  Harald Anlauf  <anlauf@gmx.de>
1587
1588         PR fortran/88579
1589         * trans-expr.c (gfc_conv_power_op): Handle cases of (2**e) ** integer
1590         and (- 2**e) ** integer.
1591
1592 2019-01-19  Dominique d'Humieres  <dominiq@gcc.gnu.org>
1593
1594         PR fortran/37835
1595         * resolve.c (resolve_types): Add !flag_automatic.
1596         * symbol.c (gfc_add_save): Silence warnings.
1597
1598 2019-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>
1599
1600         PR fortran/77960
1601         * io.c (match_io_element): input-item cannot be an external function.
1602
1603 2018-01-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
1604             Paul Thomas  <pault@gcc.gnu.org>
1605
1606         PR fortran/56789
1607         * trans-expr.c (gfc_conv_procedure_call): Call
1608         gfc_conv_subref_array_arg if the formal arg is contiguous
1609         and the actual arg may not be.
1610
1611 2019-01-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
1612
1613         PR fortran/88871
1614         * resolve.c (resolve_ref): Fix logic for removal of
1615         reference.
1616
1617 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
1618
1619         PR fortran/88902
1620         * trans-decl.c (gfc_get_symbol_decl): Don't add length to function
1621         or parent function if it has been added there already.
1622
1623 2019-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
1624
1625         PR fortran/43136
1626         * resolve.c (resolve_array_ref): Add equal_length argument; set it
1627         if the length of the substring equals that of the orignal
1628         variable.
1629         (resolve_ref): Remove the substring if it is equal in length to
1630         the original variable, unless it is an EXPR_SUBSTRING).
1631
1632 2019-01-15  Steven G. Kargl  <kargl@gcc.gnu.org>
1633
1634         PR fortran/81849
1635         * resolve.c (resolve_symbol): Host associated varaibles can appear
1636         in the specification statement of a RESULT array.
1637
1638 2019-01-15  Paul Thomas  <pault@gcc.gnu.org>
1639
1640         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Deal with exprs
1641         that are indirect references; ie. dummy arguments.
1642
1643 2019-01-13  Dominique d'Humieres  <dominiq@gcc.gnu.org>
1644
1645         PR fortran/88803
1646         * gfortran.texi: Replace @xref with @ref and adjust the sentence.
1647
1648 2019-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1649
1650         PR fortran/57992
1651         * trans-array.c (gfc_conv_array_parameter): Do not pack/unpack
1652         functions with contiguous results.
1653
1654 2019-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
1655
1656         PR fortran/59345
1657         * trans-array.c (gfc_conv_array_parameter): Remove TODO.  Do not
1658         pack/unpack results of functions which return an explicit-shaped
1659         or allocatable array.
1660
1661 2019-01-12  Steven G. Kargl  <kargl@gcc.gnu.org>
1662
1663         PR fortran/61765
1664         * resolve.c (gfc_verify_binding_labels): Break if-elseif-elseif
1665         structure into independent if's with a return to simplify logic.
1666         Avoid a check for ENTRY name with bind(c).
1667
1668 2019-01-12  Paul Thomas  <pault@gcc.gnu.org>
1669
1670         * gfortran.texi: Add description in sections on TS 29113 and
1671         further interoperability with C.
1672         * trans-array.c (gfc_conv_descriptor_attribute): New function.
1673         (gfc_get_dataptr_offset): Remove static function attribute.
1674         * trans-array.h: Add prototypes for above functions.
1675         * trans-decl.c: Add declarations for the library functions
1676         cfi_desc_to_gfc_desc and gfc_desc_to_cfi_desc.
1677         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): New function.
1678         (gfc_conv_procedure_call): Call it for scalar and array actual
1679         arguments, when the formal arguments are bind_c with assumed
1680         shape or assumed rank.
1681         * trans.h: External declarations for gfor_fndecl_cfi_to_gfc
1682         and gfor_fndecl_gfc_to_cfi.
1683
1684 2019-01-11  Steven G. Kargl  <kargl@gcc.gnu.org>
1685
1686         PR fortran/35031
1687         * decl.c (gfc_match_entry): Check for F2018:C1546.  Fix nearby
1688         mis-indentation.
1689
1690 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
1691
1692         PR middle-end/85956
1693         PR lto/88733
1694         * trans-openmp.c: Include attribs.h.
1695         (gfc_walk_alloc_comps, gfc_omp_clause_linear_ctor): Handle
1696         VAR_DECL max bound with "omp dummy var" attribute like NULL or
1697         error_mark_node - recompute number of elts independently.
1698
1699 2019-01-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
1700
1701         PR fortran/59345
1702         * trans-array.c (gfc_conv_parameter_array): Temporary
1703         arrays generated for expressions do not need to be repacked.
1704
1705 2019-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
1706
1707         PR fortran/86322
1708         * decl.c (top_var_list): Set locus of expr.
1709         (gfc_match_data): Detect pointer on non-rightmost part-refs.
1710
1711 2019-01-09  Steven G. Kargl  <kargl@gcc.gnu.org>
1712
1713         PR fortran/88376
1714         * resolve.c (is_illegal_recursion): Remove an assert().
1715
1716 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
1717
1718         PR other/16615
1719         * expr.c: Change "can not" to "cannot".
1720
1721 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
1722
1723         PR other/16615
1724         * class.c: Mechanically replace "can not" with "cannot".
1725         * decl.c: Likewise.
1726         * expr.c: Likewise.
1727         * gfc-internals.texi: Likewise.
1728         * intrinsic.texi: Likewise.
1729         * invoke.texi: Likewise.
1730         * io.c: Likewise.
1731         * match.c: Likewise.
1732         * parse.c: Likewise.
1733         * primary.c: Likewise.
1734         * resolve.c: Likewise.
1735         * symbol.c: Likewise.
1736         * trans-array.c: Likewise.
1737         * trans-decl.c: Likewise.
1738         * trans-intrinsic.c: Likewise.
1739         * trans-stmt.c: Likewise.
1740
1741 2019-01-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
1742
1743         PR fortran/68426
1744         * simplify.c (gfc_simplify_spread): Also simplify if the
1745         type of source is an EXPR_STRUCTURE.
1746
1747 2019-01-08  Janus Weil  <janus@gcc.gnu.org>
1748
1749         PR fortran/88047
1750         * class.c (gfc_find_vtab): For polymorphic typespecs, the components of
1751         the class container may not be available (in case of invalid code).
1752
1753 2019-01-08  Richard Biener  <rguenther@suse.de>
1754
1755         PR fortran/88611
1756         * trans-expr.c (gfc_conv_initializer): For ISOCBINDING_NULL_*
1757         directly build the expected GENERIC tree.
1758
1759 2019-01-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
1760             Harald Anlauf  <anlauf@gmx.de>
1761             Tobias Burnus  <burnus@gcc.gnu.org>
1762
1763         PR fortran/45424
1764         * check.c (gfc_check_is_contiguous): New function.
1765         * expr.c (gfc_is_not_contiguous): New function.
1766         * gfortran.h (gfc_isym_id): Add GFC_ISYM_IS_CONTIGUOUS.
1767         Add prototype for gfc_is_not_contiguous.
1768         * intrinsic.c (do_ts29113_check): Add GFC_ISYM_IS_CONTIGUOUS.
1769         (add_function): Add is_contiguous.
1770         * intrinsic.h: Add prototypes for gfc_check_is_contiguous,
1771         gfc_simplify_is_contiguous and gfc_resolve_is_contiguous.
1772         * intrinsic.texi: Add IS_CONTIGUOUS.
1773         * iresolve.c (gfc_resolve_is_contiguous): New function.
1774         * simplify.c (gfc_simplify_is_contiguous): New function.
1775         * trans-decl.c (gfor_fncecl_is_contiguous0): New variable.
1776         (gfc_build_intrinsic_function_decl): Add it.
1777         * trans-intrinsic.c (gfc_conv_intrinsic_is_contiguous): New
1778         function.
1779         (gfc_conv_intrinsic_function): Handle GFC_ISYM_IS_CONTIGUOUS.
1780
1781 2019-01-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
1782
1783         PR fortran/88658
1784         * gfortran.h: Add macro gfc_real_4_kind
1785         * simplify.c (simplify_min_max): Special case for the types of
1786         AMAX0, AMIN0, MAX1 and MIN1, which actually change the types of
1787         their arguments.
1788
1789 2019-01-05  Janus Weil  <janus@gcc.gnu.org>
1790
1791         PR fortran/88009
1792         * class.c (gfc_find_derived_vtab): Mark the _final component as
1793         artificial.
1794         (find_intrinsic_vtab): Ditto. Also add an extra check to avoid
1795         dereferencing a null pointer and adjust indentation.
1796         * resolve.c (resolve_fl_variable): Add extra check to avoid
1797         dereferencing a null pointer. Move variable declarations to local scope.
1798         (resolve_fl_procedure): Add extra check to avoid dereferencing a null
1799         pointer.
1800         * symbol.c (check_conflict): Suppress errors for artificial symbols.
1801
1802 2019-01-01  Steven G. Kargl  <kargl@gcc.gnu.org>
1803
1804         * parse.c (decode_statement): Suppress "Unclassifiable statement"
1805         error if previous error messages were emittes.
1806
1807 2019-01-01  Thomas Koenig  <tkoenig@gcc.gnu.org>
1808
1809         PR fortran/82743
1810         * primary.c (gfc_convert_to_structure_constructor): If a character
1811         in a constructor is too long, add a  warning with
1812         -Wcharacter-truncation.
1813
1814 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
1815
1816         Update copyright years.
1817
1818         * gfortranspec.c (lang_specific_driver): Update copyright notice
1819         dates.
1820         * gfc-internals.texi: Bump @copying's copyright year.
1821         * gfortran.texi: Ditto.
1822         * intrinsic.texi: Ditto.
1823         * invoke.texi: Ditto.
1824 \f
1825 Copyright (C) 2019 Free Software Foundation, Inc.
1826
1827 Copying and distribution of this file, with or without modification,
1828 are permitted in any medium without royalty provided the copyright
1829 notice and this notice are preserved.