1 2019-08-26 Thomas Koenig <tkoenig@gcc.gnu.org>
5 * frontend-passes.c (gfc_check_externals): Make
6 gfc_errors_to_warnings conditional on -fallow-argument-mismatch.
7 * invoke.texi: Document -fallow-argument-mismatch.
8 * lang.opt: Add -fallow-argument-mismatch.
10 2019-08-24 Thomas Koenig <tkoenig@gcc.gnu.org>
14 * frontend-passes.c (check_externals_procedure): New
15 function. If a procedure is not in the translation unit, create
16 an "interface" for it, including its formal arguments.
17 (check_externals_code): Use check_externals_procedure for common
18 code with check_externals_expr.
19 (check_externals_expr): Vice versa.
20 * gfortran.h (gfc_get_formal_from_actual-arglist): New prototype.
21 (gfc_compare_actual_formal): New prototype.
22 * interface.c (compare_actual_formal): Rename to
23 (gfc_compare_actual_formal): New function, make global.
24 (gfc_get_formal_from_actual_arglist): Make global, and move here from
25 * trans-types.c (get_formal_from_actual_arglist): Remove here.
26 (gfc_get_function_type): Use gfc_get_formal_from_actual_arglist.
28 2019-08-23 Mark Eggleston <mark.eggleston@codethink.com>
30 * intrinsics.text: References in 'See also:' are now on
31 separate lines to ensure that they always fit in the margins of
32 a PDF page. The column widths of tables have been adjusted
33 where necessary to prevent overlapping text. All program
34 examples now fit within the margins of a PDF page.
36 2019-08-23 Jakub Jelinek <jakub@redhat.com>
39 * options.c (gfc_post_options): Set flag_excess_precision instead of
40 flag_excess_precision_cmdline. Remove comment.
42 2019-08-23 Mark Eggleston <mark.eggleston@codethink.com>
44 * intrinsics.text: Removed empty sections. The order of
45 sections for each intrinsic is now consistent throughout.
46 Stray words removed. Text in the wrong section moved.
47 Missing standard statement inserted.
49 2019-08-23 Mark Eggleston <mark.eggleston@codethink.com>
51 * intrinsics.text: Correct the return types for ZABS and CDABS.
53 2019-08-22 Steven G. Kargl <kargl@gcc.gnu.org>
55 * intrinsic.c (add_subroutines): ERRMSG is INTENT(INOUT) in
56 co_broadcast, co_max, co_min, co_reduce, and co_sum.
58 2019-08-20 Mark Eggleston <mark.eggleston@codethink.com>
61 * intrinsic.texi: Add GNU extension notes to DIM, MOD, MODULO.
63 2019-08-19 Mark Eggleston <mark.eggleston@codethink.com>
65 * gfortran.texi: Delete paragraph about integer overload errors
66 when initialising integer variables with BOZ constants as these
69 2019-08-18 Steven G. Kargl <kargl@gcc.gnu.org>
72 module.c (gfc_match_use): User defined operator cannot conflict with
75 2019-08-17 Steven G. Kargl <kargl@gcc.gnu.org>
78 * module.c (gfc_match_use): When renaming a module entity, search
79 current namespace for conflicting symbol.
81 2019-08-17 Steven G. Kargl <kargl@gcc.gnu.org>
84 * match.c (gfc_match_st_function): When matching a statement function,
85 need to check if the statement function name shadows the function
88 2019-08-17 Steven G. Kargl <kargl@gcc.gnu.org>
91 * decl.c (get_proc_name): Check for a CLASS entity when trying to
92 add attributes to an entity that already has an explicit interface.
94 2019-08-17 Steven G. Kargl <kargl@gcc.gnu.org>
97 * primary.c (gfc_variable_attr): Remove a gfc_internal_error(),
98 which cannot be reached by conforming Fortran code, but seems to
99 be reachable from nonconforming Fortran code. Treat the AR_UNKNOWN
102 2019-08-17 Janne Blomqvist <jb@gcc.gnu.org>
105 * trans-decl.c (gfc_build_builtin_function_decls): Replace
106 os_error with os_error_at decl.
107 * trans.c (trans_runtime_error_vararg): Modify so the error
108 function decl is passed directly.
109 (gfc_trans_runtime_error): Pass correct error function decl.
110 (gfc_trans_runtime_check): Likewise.
111 (trans_os_error_at): New function.
112 (gfc_call_malloc): Use trans_os_error_at.
113 (gfc_allocate_using_malloc): Likewise.
114 (gfc_call_realloc): Likewise.
115 * trans.h (gfor_fndecl_os_error): Replace with gfor_fndecl_os_error_at.
117 2019-08-16 Jeff Law <law@redhat.com>
118 Mark Eggleston <mark.eggleston@codethink.com>
120 * gfortran.h: Add gfc_check_conflict declaration.
121 * symbol.c (check_conflict): Rename cfg_check_conflict and remove
123 * symbol.c (cfg_check_conflict): Remove automatic in equivalence
125 * symbol.c (save_symbol): Add check for in equivalence to stop the
126 the save attribute being added.
127 * trans-common.c (build_equiv_decl): Add is_auto parameter and
128 add !is_auto to condition where TREE_STATIC (decl) is set.
129 * trans-common.c (build_equiv_decl): Add local variable is_auto,
130 set it true if an atomatic attribute is encountered in the variable
131 list. Call build_equiv_decl with is_auto as an additional parameter.
132 flag_dec_format_defaults is enabled.
133 * trans-common.c (accumulate_equivalence_attributes) : New subroutine.
134 * trans-common.c (find_equivalence) : New local variable dummy_symbol,
135 accumulated equivalence attributes from each symbol then check for
138 2019-08-16 Richard Biener <rguenther@suse.de>
140 * trans-intrinsic.c (gfc_conv_intrinsic_findloc): Initialize
141 forward_branch to avoid bogus uninitialized warning.
143 2019-08-15 Thomas Koenig <tkoenig@gcc.gnu.org>
146 * frontend-passes.c (check_externals_expr): New function.
147 (check_externals_code): New function.
148 (gfc_check_externals): New function.
149 * gfortran.h (debug): Add prototypes for gfc_symbol * and
151 (gfc_check_externals): Add prototype.
152 * interface.c (compare_actual_formal): Do not complain about
153 alternate returns if the formal argument is optional.
154 (gfc_procedure_use): Handle cases when an error has been issued
155 previously. Break long line.
156 * parse.c (gfc_parse_file): Call gfc_check_externals for all
158 * resolve.c (resolve_global_procedure): Remove checking of
161 2019-08-13 Steven G. Kargl <kargl@gcc.gnu.org>
164 * resolve.c (check_data_variable): data-stmt-object with pointer
165 attribute requires a data-stmt-value with the target attribute.
167 2019-08-13 Steven G. Kargl <kargl@gcc.gnu.org>
170 * misc.c (gfc_typename): Do not point to something that ought not to
173 2013-08-13 Thomas Koenig <tkoenig@gcc.gnu.org>
176 * frontend-passes.c (insert_index): Suppress errors while
177 simplifying the resulting expression.
179 2019-08-13 Steven G. Kargl <kargl@gcc.gnu.org>
182 resolve.c (resolve_typebound_procedure): Allow host associated
183 procedure to be a binding target. While here, wrap long line.
185 2019-08-13 Steven G. Kargl <kargl@gcc.gnu.org>
188 * expr.c (gfc_simplify_expr): Simplifcation of an array with a kind
189 type inquiry suffix yields a constant expression.
191 2019-08-13 Janne Blomqvist <jb@gcc.gnu.org>
194 * check.c (gfc_check_random_seed): Reduce seed_size.
195 * intrinsic.texi (RANDOM_NUMBER): Update to match new PRNG.
197 2019-08-12 Thomas Koenig <tkoenig@gcc.gnu.org>
200 * frontend-passes.c (do_subscript): Do not warn for an
201 expression a second time. Do not warn about a zero-trip loop.
202 (doloop_warn): Also look at contained namespaces.
204 2019-08-11 Janne Blomqvist <jb@gcc.gnu.org>
207 * invoke.texi (-fmax-stack-var-size): Document increased default.
208 * options.c (gfc_post_options): Increase default stack var size to
210 * trans-decl.c (gfc_finish_var_decl): Generate warning when local
211 array moved to static storage.
213 2019-08-10 Steven G. Kargl <kargl@gcc.gnu.org>
215 * decl.c (match_old_style_init): Use a clearer error message.
216 * expr.c (gfc_check_assign): Update BOZ checking to provide a stricter
217 adherence to the Fortran standard. Use gfc_invalid_boz () to
218 relax errors into warnings.
219 * gfortran.h (gfc_isym_id): Add new ids GFC_ISYM_DFLOAT,
220 GFC_ISYM_FLOAT, GFC_ISYM_REALPART, and GFC_ISYM_SNGL
221 * intrinsic.c (add_functions): Use new ids to split REAL generic into
222 REAL, FLOAT, DFLOAT, SNGL, and REALPART generics.
223 (gfc_intrinsic_func_interface): Allow new intrinsics in an
224 initialization expression
225 * resolve.c (resolve_operator): Deal with BOZ as operands.
226 Use gfc_invalid_boz to allow for errors or warnings via the
227 -fallow-invalid-boz option. A BOZ cannot be an operand to an
228 unary operator. Both operands of a binary operator cannot be BOZ.
229 For binary operators, convert a BOZ operand into the type and
230 kind of the other operand for REAL or INTEGER operand.
231 * trans-intrinsic.c: Use new ids to cause conversions to happen.
233 2019-08-06 Steven G. Kargl <kargl@gcc.gnu.org>
236 * trans-decl.c (gfc_generate_return): Ensure something is returned
239 2019-08-06 Steven G. Kargl <kargl@gcc.gnu.org>
242 * check.c(gfc_check_allocated): Add comment pointing to ...
243 * intrinsic.c(sort_actual): ... the checking done here.
245 2019-08-05 Steven g. Kargl <kargl@gcc.gnu.org>
248 * decl.c (gfc_match_data): Allow an implied do-loop to nestle against
251 2019-08-04 Steven G. Kargl <kargl@gcc.gnu.org>
254 * check.c (oct2bin): New function. Convert octal string to binary.
255 (hex2bin): New function. Convert hexidecimal string to binary.
256 (bin2real): New function. Convert binary string to REAL. Use
258 (gfc_boz2real): Use fallback conversion bin2real.
260 2019-08-02 Steven G. Kargl <kargl@gcc.gnu.org>
263 * decl.c (gfc_match_data): In free-form code, DATA be followed by
266 2019-08-02 Steven G. Kargl <kargl@gcc.gnu.org>
269 * match.c (gfc_match_equivalence): Check that EQUIVALENCE is followed
272 2019-07-30 Steven G. Kargl <kargl@gcc.gnu.org>
275 * interface.c (compare_actual_expr): When checking for aliasing, add
276 a case to handle REF_INQUIRY (e.g., foo(x%re, x%im) do not alias).
278 2019-07-29 Thomas Koenig <tkoenig@gcc.gnu.org>
281 * dump-parse-tree.c (show_global_symbol): New function.
282 (gfc_dump_global_symbols): New function.
283 * gfortran.h (gfc_traverse_gsymbol): Add prototype.
284 (gfc_dump_global_symbols): Likewise.
285 * invoke.texi: Document -fdump-fortran-global.
286 * lang.opt: Add -fdump-fortran-global.
287 * parse.c (gfc_parse_file): Handle flag_dump_fortran_global.
288 * symbol.c (gfc_traverse_gsymbol): New function.
289 * trans-decl.c (sym_identifier): New function.
290 (mangled_identifier): New function, doing most of the work
291 of gfc_sym_mangled_identifier.
292 (gfc_sym_mangled_identifier): Use mangled_identifier. Add mangled
293 identifier to global symbol table.
294 (get_proc_pointer_decl): Use backend decl from global identifier
297 2019-07-25 Thomas Koenig <tkoenig@gcc.gnu.org>
300 * dependency.h (gfc_dep_resovler): Add optional argument identical.
301 * dependency.c (gfc_check_dependency): Do not alway return 1 if
302 the symbol is the same. Pass on identical to gfc_dep_resolver.
303 (gfc_check_element_vs_element): Whitespace fix.
304 (gfc_dep_resolver): Adjust comment for function. If identical is
305 true, return 1 if any overlap has been found.
307 2019-07-23 Steven G. Kargl <kargl@gcc.gnu.org>
310 * check.c (gfc_invalid_boz): Fix comment.
311 (illegal_boz_arg): New function.
312 (gfc_check_transfer): Use to arguments.
313 (gfc_check_storage_size): Ditto.
314 (gfc_check_complex): Remove leftover comment from BOZ patch.
315 * primary.c (match_boz_constant): Remove leftover comment.
317 2019-07-23 Steven G. Kargl <kargl@gcc.gnu.org>
319 * arith.c (gfc_convert_integer, gfc_convert_real, gfc_convert_complex):
321 * primary.c (convert_integer, convert_real, convert_complex): ... here.
322 Rename and make static functions.
323 (match_integer_constant): Use convert_integer
324 (match_real_constant): Use convert_real.
325 (match_complex_constant: Use convert_complex.
326 * arith.h (gfc_convert_integer, gfc_convert_real, gfc_convert_complex):
328 * array.c (match_array_cons_element): A BOZ cannot be a data
329 statement value. Jump to a common exit point.
330 * check.c (gfc_invalid_boz): New function. Emit error or warning
331 for a BOZ in an invalid context.
332 (boz_args_check): Move to top of file to prevent need of forward
334 (is_boz_constant): New function. Check that BOZ expr is constant.
335 (gfc_boz2real): New function. In-place conversion of BOZ literal
336 constant to REAL in accordance to F2018.
337 (gfc_boz2int): New function. In-place conversion of BOZ literal
338 constant to INTEGER in accordance to F2018.
339 (gfc_check_achar, gfc_check_char, gfc_check_float): Use gfc_invalid_boz. Convert BOZ
341 (gfc_check_bge_bgt_ble_blt): Enforce F2018 requirements on BGE,
342 BGT, BLE, and BLT intrinsic functions.
343 (gfc_check_cmplx): Re-organize to check kind, if present, first.
344 Convert BOZ real and/or imaginary parts as needed in accordance to
346 (gfc_check_complex): Use gfc_invalid_boz. Convert BOZ as needed.
347 (gfc_check_dcmplx, gfc_check_dble ): Convert BOZ as needed.
348 (gfc_check_dshift): Make dshift[lr] conform to F2018 standard.
349 gfc_check_float (gfc_expr *a)
350 (gfc_check_iand_ieor_ior): Make IAND, IEOR, and IOR conform to
352 (gfc_check_int): Conform to F2018 standard.
353 (gfc_check_intconv): Deprecate SHORT and LONG aliases for INT2 and
354 INT. Simply return for a BOZ argument. See gfc_simplify_intconv.
355 (gfc_check_merge_bits): Make MERGE_BITS conform to Fortran 2018
357 (gfc_check_real): Remove incorrect comment. Check kind, if present,
358 first. Simply return for a BOZ argument. See gfc_simplify_real.
359 (gfc_check_and): Re-do error handling for BOZ arguments. Remove
360 special casing ts.type != BT_INTEGER or BT_LOGICAL.
361 * decl.c (match_old_style_init): Check for BOZ in old-style
362 initialization. Issue error or warning depending on
363 -fallow-invalid-boz option. Issue error if variable is not an
364 INTEGER or REAL and the value is BOZ.
365 * expr.c (gfc_copy_expr): Copy a BT_BOZ gfc_expr.
366 (gfc_check_assign): Re-do error handling for a BOZ in an assignment
367 statement. Do in-place conversion of RHS based on LHS type of
369 * gfortran.h (gfc_expr): Add a boz component. Remove is_boz component.
370 (gfc_boz2int, gfc_boz2real, gfc_invalid_boz): New prototypes.
371 * interface.c (gfc_extend_assign): Guard against replacing an
372 intrinsic involving a BOZ literal constant on RHS.
373 * invoke.texi: Doument -fallow-invalid-boz.
374 * lang.opt: New option. -fallow-invalid-boz.
375 * libgfortran.h (bt): Elevate BOZ to a basic type.
376 * misc.c (gfc_basic_typename, gfc_typename): Translate BT_BOZ to BOZ.
377 * primary.c (convert_integer, convert_real, convert_complex): to here.
378 Rename and make static functions.
379 * primary.c(match_boz_constant): Rewrite parsing of a BOZ. Re-do
380 error handling. Deprecate 'X' for hexidecimal and postfix notation.
381 Use -fallow-invalid-boz and gfc_invalid_boz to accept deprecated code.
382 * resolve.c (resolve_ordinary_assign): Rework a RHS that is a
383 BOZ literal constant. Use gfc_invalid_boz to allow previous
384 nonstandard behavior. Remove range checking of BOZ conversion.
385 * simplify.c (convert_boz): Remove function.
386 (simplify_cmplx): Remove conversion of BOZ constants, because
387 conversion is done in gfc_check_cmplx.
388 (gfc_simplify_float): Remove conversion of BOZ constant, because
389 conversion is done in gfc_check_float.
390 (simplify_intconv): Use gfc_boz2int to convert BOZ to INTEGER.
391 Remove range checking for BOZ conversion.
392 (gfc_simplify_real): Use k, if present, to determine kind. Convert
393 BOZ to REAL. Remove range checking for BOZ conversion.
394 target-memory.c (gfc_convert_boz): Rewrite to deal with convert of
395 a BOZ to a REAL value.
397 2019-07-21 Thomas König <tkoenig@gcc.gnu.org>
400 * gfortran.texi (GFORTRAN_FORMATTED_BUFFER_SIZE): Document
401 (GFORTRAN_UNFORMATTED_BUFFER_SIZE): Likewise.
403 2019-07-16 Harald Anlauf <anlauf@gmx.de>
406 * libgfortran.h: Add mask for -fcheck=bits option.
407 * options.c (gfc_handle_runtime_check_option): Add option "bits"
408 to run-time checks selectable via -fcheck.
409 * trans-intrinsic.c (gfc_conv_intrinsic_btest)
410 (gfc_conv_intrinsic_singlebitop, gfc_conv_intrinsic_ibits)
411 (gfc_conv_intrinsic_shift, gfc_conv_intrinsic_ishft)
412 (gfc_conv_intrinsic_ishftc): Implement run-time checks for the
413 POS, LEN, SHIFT, and SIZE arguments.
414 * gfortran.texi: Document run-time checks for bit manipulation
416 * invoke.texi: Document new -fcheck=bits option.
418 2019-07-14 Jerry DeLisle <jvdelisle@gcc.gnu.org>
421 * expr.c (check_restricted): Relax constraint C1279 which was
422 removed from F2008 and above.
424 2019-07-07 Paul Thomas <pault@gcc.gnu.org>
427 * trans-array.c (gfc_conv_scalarized_array_ref) Delete code
428 that gave symbol backend decl for subref arrays and deferred
431 2019-07-05 Andrew Stubbs <ams@codesourcery.com>
433 * openmp.c (resolve_omp_clauses): Add custom error messages for
434 parameters in map clauses.
436 2019-07-03 Martin Liska <mliska@suse.cz>
438 * check.c (gfc_check_c_funloc): Remove
440 * decl.c (variable_decl): Likewise.
441 * resolve.c (resolve_typebound_function): Likewise.
442 * simplify.c (gfc_simplify_matmul): Likewise.
443 (gfc_simplify_scan): Likewise.
444 * trans-array.c (gfc_could_be_alias): Likewise.
445 * trans-common.c (add_equivalences): Likewise.
446 * trans-expr.c (trans_class_vptr_len_assignment): Likewise.
447 (gfc_trans_array_constructor_copy): Likewise.
448 (gfc_trans_assignment_1): Likewise.
449 * trans-intrinsic.c (conv_intrinsic_atomic_op): Likewise.
450 * trans-openmp.c (gfc_omp_finish_clause): Likewise.
451 * trans-types.c (gfc_get_array_descriptor_base): Likewise.
452 * trans.c (gfc_build_final_call): Likewise.
454 2019-06-27 Steven G. Kargl <kargl@gcc.gnu.org>
457 * gfortran.dg/common_1.f: new test.
458 * gfortran.dg/common_26.f90: Ditto.
460 2019-06-26 Steven G. Kargl <kargl@gcc.gnu.org>
463 ChangeLog forgotten with revision 272667
464 * decl.c (access_attr_decl): Use temporary variable to reduce
465 unreadability of code. Normalize jumping to return.
466 (gfc_match_protected): Fix parsing error. Add comments to
467 explain code. Remove dead code.
468 (gfc_match_private): Use temporary variable to reduce unreadability
469 of code. Fix parsing error. Move code to test for blank PRIVATE.
471 (gfc_match_public): Move code to test for blank PUBLIC. Fix
472 parsing error. Remove dead code.
474 2019-06-24 Jan Hubicka <jh@suse.cz>
476 * trans-expr.c (gfc_conv_substring): Check that
477 type is array or integer prior checking string flag.
478 (gfc_conv_string_parameter): Likewise.
479 * trans-openmp.c (gfc_omp_scalar_p): Likewise.
480 * trans.c (gfc_build_array_ref): Likewise.
482 2019-06-22 Jerry DeLisle <jvdelisle@gcc.gnu.org>
485 * io.c (gfc_resolve_dt): Check that internal units are not
488 2019-06-21 Steven G. Kargl <kargl@gcc.gnu.org>
491 * resolve.c (deferred_requirements) : Check only the result variable.
492 (resolve_fl_procedure): Check deferred requirements on functions.
494 2019-06-21 Steven G. Kargl <kargl@gcc.gnu.org>
497 * decl.c (gfc_match_save): If SAVE was not seen, return MATCH_NO
498 instead issuing an error message and returning MATCH_ERROR.
500 2019-06-20 Steven G. Kargl <kargl@gcc.gnu.org>
503 * /decl.c (variable_decl): Mark a variable that is a target in pointer
504 initialization when in PROGRAM, MODULE, or SUBMODULE scope with an
507 2019-06-20 Steven G. Kargl <kargl@gcc.gnu.org>
510 * symbol.c (verify_bind_c_derived_type): Remove erroneous error
511 checking for BIND(C) and PRIVATE attributes.
513 2019-06-20 Thomas Koenig <tkoenig@gcc.gnu.org>
516 * trans-types.c (get_formal_from_actual_arglist): Get symbol from
517 current namespace so it will be freed later. If symbol is of type
518 character, get an empty character length.
520 2019-06-19 Steven G. Kargl <kargl@gcc.gnu.org>
523 * match.c (gfc_match_select_type): SELECT TYPE is an executable
524 statement, and cannot appear in MODULE or SUBMODULE scope.
526 2019-06-19 Steven G. Kargl <kargl@gcc.gnu.org>
529 * decl.c (attr_decl): Check for duplicate DIMENSION attribute for a
532 2019-06-19 Steven G. Kargl <kargl@gcc.gnu.org>
535 * resolve.c (resolve_contained_fntype): Do not dereference a NULL
538 2019-06-19 Jim MacArthur <jim.macarthur@codethink.co.uk>
539 Mark Eggleston <mark.eggleston@codethink.com>
542 * gfortran.texi: Add -fdec-blank-format-item
543 * invoke.texi: Add option to list of options.
544 * invoke.texi: Add to section on Commas in FORMAT specifications.
545 * io.c (check_format): At FMT_RPAREN goto finished if
546 -fdec-blank-format-item otherwise set error string.
547 * lang.opt: Add new option.
548 * options.c (set_dec_flags): Add SET_BITFLAG for
549 flag_dec_format_defaults.
551 2019-06-18 Julian Brown <julian@codesourcery.com>
554 * trans-decl.c (finish_oacc_declare): Reset module_oacc_clauses
555 before scanning each namespace.
557 2019-06-18 Thomas Schwinge <thomas@codesourcery.com>
560 * trans-decl.c (add_attributes_to_decl): Handle OpenACC 'declare'
563 2019-06-16 Thomas Koenig <tkoenig@gcc.gnu.org>
565 * dump_parse_tree (debug): Add verison for formal arglist.
566 Do not crash when a gfc_expr is NULL.
568 2019-06-15 Steven G. Kargl <kargl@gcc.gnu.org>
570 * decl.c (gfc_match_derived_decl): Dummy argument cannot be a derived
573 2019-06-14 Steven G. Kargl <kargl@gcc.gnu.org>
575 * arith.c (arith_power): Rework overflow of an integer to an integer
578 2019-06-14 Harald Anlauf <anlauf@gmx.de>
582 * trans-intrinsic.c (gfc_conv_intrinsic_shift): Properly
583 distinguish logical/arithmetic shifts.
584 * intrinsic.texi: Update documentation for SHIFTR/SHIFTL/SHIFTA
585 (Fortran 2008) and LSHIFT/RSHIFT (GNU extensions).
587 2019-06-14 Steven G. Kargl <kargl@gcc.gnu.org>
590 * dependency.c (gfc_check_argument_var_dependency): Suppress spurious
591 warnings by comparing variable names.
593 2019-06-13 Steven G. Kargl <kargl@gcc.gnu.org>
596 * resolve.c (is_dt_name): New function to compare symbol name against
597 list of derived types.
598 (resolve_actual_arglist): Use it to find wrong code.
600 2019-06-13 Steven G. Kargl <kargl@gcc.gnu.org>
603 * expr.c (gfc_check_vardef_context): Check for INTENT(IN) variable
604 in SELECT TYPE construct.
606 2019-06-13 Steven G. Kargl <kargl@gcc.gnu.org>
609 * dependency.c (gfc_dep_resolver): Re-arrange code to make the logic
610 a bit more transparent. Fix 2 nearby formatting issues.
612 2019-06-13 Jakub Jelinek <jakub@redhat.com>
614 * io.c (check_format): Use G_(...) instead of _(...) for error values,
615 append " in format string at %L" to all strings but unexpected_element,
616 use error as gfc_error formating string instead of
617 "%s in format string at %L". Formatting fixes.
619 2019-06-12 Steven G. Kargl <kargl@gcc.gnu.org>
621 * gfortran.h (gfc_free_dt_list): Remove prototype.
623 2019-06-12 Steven G. Kargl <kargl@gcc.gnu.org>
626 * array.c (gfc_free_array_spec): When freeing an array-spec, avoid
627 an ICE for assumed-shape coarrays.
629 2019-06-08 Paul Thomas <pault@gcc.gnu.org>
632 * trans-expr.c (pointer_assignment_is_proc_pointer) Remove as
633 it is very simple and only called from one place.
634 (gfc_trans_pointer_assignment): Rename non_proc_pointer_assign
635 as non_proc_ptr_assign. Assign to it directly, rather than call
636 to above, deleted function and use gfc_expr_attr instead of
637 only checking the reference chain.
639 2019-06-08 Thomas Koenig <tkoenig@gcc.gnu.org>
640 Tomáš Trnka <trnka@scm.com>
643 * trans-types.c (get_formal_from_actual_arglist): Unset typespec
644 flags which make no sense for procedures without explicit
647 2019-06-02 Thomas Koenig <tkoenig@gcc.gnu.org>
650 * trans-expr.c (gfc_conv_subref_array_arg): If the size of the
651 expression can be determined to be one, treat it as contiguous.
652 Set likelyhood of presence of an actual argument according to
653 PRED_FORTRAN_ABSENT_DUMMY and likelyhood of being contiguous
654 according to PRED_FORTRAN_CONTIGUOUS.
656 2019-05-30 Thomas Koenig <tkoenig@gcc.gnu.org>
658 * gfc-internals.texi (Translating to GENERIC): New chapter.
660 2019-05-30 Marek Polacek <polacek@redhat.com>
662 * lang.opt (ftail-call-workaround): Fix a typo.
664 2019-05-30 Jakub Jelinek <jakub@redhat.com>
666 * lang.opt (ftail-call-workaround=): Fix a typo - lenghts to lengths.
668 2019-05-29 Thomas Koenig <tkoenig@gcc.gnu.org>
671 * gfortran.h (gfc_has_dimen_vector_ref): Add prototype.
672 * trans.h (gfc_conv_subref_array_arg): Add argument check_contiguous.
673 (gfc_conv_is_contiguous_expr): Add prototype.
674 * frontend-passes.c (has_dimen_vector_ref): Remove prototype,
676 (gfc_has_dimen_vector_ref): New function name.
677 (matmul_temp_args): Use gfc_has_dimen_vector_ref.
678 (inline_matmul_assign): Likewise.
679 * trans-array.c (gfc_conv_array_parameter): Also check for absence
680 of a vector subscript before calling gfc_conv_subref_array_arg.
681 Pass additional argument to gfc_conv_subref_array_arg.
682 * trans-expr.c (gfc_conv_subref_array_arg): Add argument
683 check_contiguous. If that is true, check if the argument
684 is contiguous and do not repack in that case.
685 * trans-intrinsic.c (gfc_conv_intrinsic_is_contiguous): Split
686 away most of the work into, and call
687 (gfc_conv_intrinsic_is_coniguous_expr): New function.
689 2019-05-29 Jakub Jelinek <jakub@redhat.com>
692 * lang.opt (fbroken-callers): Remove.
693 (ftail-call-workaround, ftail-call-workaround=): New options.
694 * gfortran.h (struct gfc_namespace): Add implicit_interface_calls.
695 * interface.c (gfc_procedure_use): Set implicit_interface_calls
696 for calls to implicit interface procedures.
697 * trans-decl.c (create_function_arglist): Use flag_tail_call_workaround
698 instead of flag_broken_callers. If it is not 2, also require
699 sym->ns->implicit_interface_calls.
700 * invoke.texi (fbroken-callers): Remove documentation.
701 (ftail-call-workaround, ftail-call-workaround=): Document.
703 2019-05-26 Thomas Koenig <tkoenig@gcc.gnu.org>
706 * trans-types.c (get_formal_from_actual_arglist): Set rank
707 and lower bound for assumed size arguments.
709 2019-05-22 Andrew Stubbs <ams@codesourcery.com>
711 * trans-stmt.c (gfc_trans_critical): Use size_type_node for
712 gfor_fndecl_caf_lock and gfor_fndecl_caf_unlock calls.
713 (gfc_trans_allocate): Use size_type_node for gfor_fndecl_caf_sync_all
716 2019-05-22 Jeff Law <law@redhat.com>
717 Mark Eggleston <mark.eggleston@codethink.com>
720 * gfortran.texi: Add Default widths for F, G and I format
721 descriptors to Extensions section.
722 * invoke.texi: Add -fdec-format-defaults
723 * io.c (check_format): Use default widths for i, f and g when
724 flag_dec_format_defaults is enabled.
725 * lang.opt: Add new option.
726 * options.c (set_dec_flags): Add SET_BITFLAG for
727 flag_dec_format_defaults.
729 2019-05-21 Janne Blomqvist <jb@gcc.gnu.org>
732 * intrinsic.texi (EXECUTE_COMMAND_LINE): Explain new
733 wait=.false. implementation.
735 2019-05-20 Mark Eggleston <markeggleston@codethink.com>
737 * gfortran.texi: Remove reference to the ASSIGN statement, capitalise
738 complex, state that padding is with spaces and modify the Hollerith
741 2019-05-19 Paul Thomas <pault@gcc.gnu.org>
744 * trans-stmt.c (trans_associate_var) Do not use the saved
745 descriptor if the expression is a COMPONENT_REF.
747 2019-05-19 Thomas Koenig <tkoenig@gcc.gnu.org>
750 * invoke.texi: Document -fbroken-callers.
751 * lang.opt: Add -fbroken-callers.
752 * trans-decl.c (create_function_arglist): Only set
753 DECL_HIDDEN_STRING_LENGTH if flag_broken_callers is set.
755 2019-05-17 Thomas Schwinge <thomas@codesourcery.com>
758 * f95-lang.c (gfc_attribute_table): Set min_len to -1 for "omp
760 * trans-decl.c (add_attributes_to_decl): Refer to OpenACC
761 'routine' clauses from "omp declare target" attribute.
763 2019-05-16 Martin Sebor <msebor@redhat.com>
765 * gfortranspec.c (append_arg): Spell out the word "argument."
767 2019-05-16 Jakub Jelinek <jakub@redhat.com>
770 * trans-decl.c (create_function_arglist): Set
771 DECL_HIDDEN_STRING_LENGTH on hidden string length PARM_DECLs if
774 2019-05-15 Janne Blomqvist <jb@gcc.gnu.org>
776 * parse.c (gfc_parse_file): Remove translation string markers.
778 2019-05-12 Janne Blomqvist <jb@gcc.gnu.org>
780 * dump-parse-tree.c (get_c_type_name): Use macros for complex type
782 * parse.c (gfc_parse_file): Define complex macros, add CPP support
783 when printing C prototypes.
785 2019-05-10 Thomas Koenig <tkoenig@gcc.gnu.org>
788 * interface.c (compare_actual_formal): Do not create a vtab if
789 the actual argument is assumed type.
791 2019-05-10 Paul Thomas <pault@gcc.gnu.org>
794 * trans-decl.c (convert_CFI_desc): Test that the dummy is
795 present before doing any of the conversions.
798 * decl.c (gfc_verify_c_interop_param): Restore the error for
799 charlen > 1 actual arguments passed to bind(C) procs.
800 Clean up trailing white space.
803 * trans-array.c (gfc_trans_create_temp_array): Set the 'span'
804 field to the element length for all types.
805 (gfc_conv_expr_descriptor): The force_no_tmp flag is used to
806 prevent temporary creation, especially for substrings.
807 * trans-decl.c (gfc_trans_deferred_vars): Rather than assert
808 that the backend decl for the string length is non-null, use it
809 as a condition before calling gfc_trans_vla_type_sizes.
810 * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): 'force_no_tmp'
811 is set before calling gfc_conv_expr_descriptor.
812 * trans.c (get_array_span): Move the code for extracting 'span'
813 from gfc_build_array_ref to this function. This is specific to
814 descriptors that are component and indirect references.
815 * trans.h : Add the force_no_tmp flag bitfield to gfc_se.
817 2019-05-08 Thomas Koenig <tkoenig@gcc.gnu.org>
821 * dump-parse-tree.c: Include version.h.
822 (gfc_dump_external_c_prototypes): New function.
823 (get_c_type_name): Select "char" as a name for a simple char.
824 Adjust to handling external functions. Also handle complex.
825 (write_decl): Add argument bind_c. Adjust for dumping of external
827 (write_proc): Likewise.
828 (write_interop_decl): Add bind_c argument to call of write_proc.
829 * gfortran.h: Add prototype for gfc_dump_external_c_prototypes.
830 * lang.opt: Add -fc-prototypes-external flag.
831 * parse.c (gfc_parse_file): Move dumping of BIND(C) prototypes.
832 Call gfc_dump_external_c_prototypes if option is set.
833 * invoke.texi: Document -fc-prototypes-external.
835 2019-05-06 Steven G. Kargl <kargl@gcc.gnu.org>
838 * match.c (gfc_match_stopcode): Check F2008 condition on stop code.
840 2019-05-01 Andrew Benson <abensonca@gmail.com>
842 * module.c (write_module): Initialize module_column before writing
843 module to ensure line break occurs at correct column.
845 2019-05-01 Dominique d'Humieres <dominiq@gcc.gnu.org>
848 * match.c (gfc_match_parens): Change the location for missing ')'.
849 (gfc_match_if): Detect a missing '('. Remove the spurious named
850 constant error. Change the wording of some errors.
851 (gfc_match_else): Change the wording of an error.
852 (gfc_match_elseif): Detect a missing '('. Improve the matching
853 process to get a better syntax analysis.
855 2019-04-19 Steven G. Kargl <kargl@gcc.gnu.org>
858 * decl.c (in_module_or_interface): New function to check that the
859 current state is in a module, submodule, or interface.
860 (gfc_match_prefix): Use it.
862 2019-04-22 Paul Thomas <pault@gcc.gnu.org>
865 * resolve.c (find_array_spec): If this is a class expression
866 and the symbol and component array specs are the same, this is
868 *trans-intrinsic.c (gfc_conv_intrinsic_size): If a class symbol
869 argument, has no namespace, it has come from the interface
870 mapping and the _data component must be accessed directly.
872 2019-04-17 Thomas Schwinge <thomas@codesourcery.com>
875 * openmp.c (gfc_resolve_do_iterator): Handle sharing_clauses for
877 (gfc_resolve_oacc_blocks): Populate sharing_clauses with private
880 2019-04-14 Paul Thomas <pault@gcc.gnu.org>
883 * trans-decl.c (gfc_get_symbol_decl): Assumed shape and assumed
884 rank dummies of bind C procs require deferred initialization.
885 (convert_CFI_desc): New procedure to convert incoming CFI
886 descriptors to gfc types and back again.
887 (gfc_trans_deferred_vars): Call it.
888 * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Null the CFI
889 descriptor pointer. Free the descriptor in all cases.
892 * expr.c (is_CFI_desc): New function.
893 (is_subref_array): Tidy up by referencing the symbol directly.
894 * gfortran.h : Prototype for is_CFI_desc.
895 * trans_array.c (get_CFI_desc): New function.
896 (gfc_get_array_span, gfc_conv_scalarized_array_ref,
897 gfc_conv_array_ref): Use it.
898 * trans.c (get_array_span): Extract the span from descriptors
899 that are indirect references.
902 * trans-decl.c (gfc_get_symbol_decl): Make sure that the se
903 expression is a pointer type before converting it to the symbol
905 * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Eliminate
906 temporary creation for intent(in).
908 2019-04-13 Dominique d'Humieres <dominiq@gcc.gnu.org>
911 * module.c (gfc_use_module): use complete sentences.
913 2019-04-11 Thomas Koenig <tkoenig@gcc.gnu.org>
916 * frontend-passes.c (B_ERROR): Delete macro.
917 (C_ERROR): Delete macro.
918 (B_ERROR_1): New macro.
919 (C_ERROR_1): New macro.
920 (C_ERROR_2): New macro.
921 (inline_matmul_assign): Use new macros.
922 (call_external_blas): Likewise.
924 2019-04-06 Thomas Koenig <tkoenig@gcc.gnu.org>
927 * gfortran.h (gfc_component): Add finalized field.
928 * class.c (finalize_component): If the component is already
929 finalized, return early. Set component->finalized on exit.
931 2019-04-06 Thomas Koenig <tkoenig@gcc.gnu.org>
934 * resolve.c (resolve_global_procedure): If the global symbol is an
935 ENTRY, also look up its name among the entries.
937 2019-04-04 Harald Anlauf <anlauf@gmx.de>
940 * check.c (gfc_check_transfer): Reject procedures as actual
941 arguments for SOURCE and MOLD of TRANSFER intrinsic.
943 2019-04-03 Steven G. Kargl <kargl@gcc.gnu.org>
946 * expr.c (gfc_reduce_init_expr): Add extra check to avoid
947 dereferencing a null pointer.
949 2019-04-03 Dominique d'Humieres <dominiq@gcc.gnu.org>
952 * expr.c (comp_pointer): Remove redundant condition.
954 2019-03-31 Harald Anlauf <anlauf@gmx.de>
958 * trans-types.c (gfc_typenode_for_spec): Handle conversion for
960 * target-memory.c (gfc_element_size): Handle size determination
961 for procedure pointers.
963 2019-03-31 Thomas Koenig <tkoenig@gcc.gnu.org>
965 * dump-parse-tree.c (debug): Add for symbol_attribute *,
966 symbol_attribute and gfc_ref * arguments.
968 2019-03-30 Paul Thomas <pault@gcc.gnu.org>
971 * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Use the formal
972 argument attributes rather than those of the actual argument.
975 * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Call
976 'set_dtype_for_unallocated' for any type of arrayspec.
978 2019-03-27 Janus Weil <janus@gcc.gnu.org>
981 * expr.c (gfc_check_assign_symbol): Reject internal and dummy procedures
982 in procedure pointer initialization.
984 2019-03-27 Paul Thomas <pault@gcc.gnu.org>
987 * expr.c (is_subref_array): Permit substrings to be detected
989 * trans-array.c (get_array_ctor_var_strlen): Obtain the length
990 of deferred length strings. Handle substrings with a NULL end
992 (trans_array_constructor): Remove an unnecessary blank line.
993 (gfc_conv_scalarized_array_ref): Skip to label 'done' if 'decl'
995 (get_array_charlen): If the expression is an array, convert the
996 first element of the constructor and use its string length. Get
997 a new charlen if necessary.
998 (gfc_conv_expr_descriptor): Call 'get_array_charlen' for array
999 constructor expressions. If the ss_info string length is
1000 available, use that to set the span of character arrays.
1001 * trans-expr.c (gfc_get_expr_charlen): Handle substrings
1002 * trans-stmt.c (trans_associate_var): Set the pointer array
1003 flag for variable targets and constant array constructors. Take
1004 care not to reset the string length or the span in the case of
1005 expressions that are not converted as direct by reference.
1007 2019-03-25 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
1009 * intrinsic.texi (MINLOC): Fix typo in BACK argument documentation.
1012 2019-03-24 Thomas Koenig <tkoenig@gcc.gnu.org>
1015 * interface.c (compare_actual_formal): Change errors about
1016 missing or extra to gfc_error_now to make sure they are issued.
1017 Change "spec" to "specifier" in message.
1018 * resolve.c (resolve_global_procedure): Also check for mismatching
1019 interface with global symbols if the namespace has already been
1022 2019-03-21 Thomas Schwinge <thomas@codesourcery.com>
1025 * openmp.c (gfc_match_oacc_routine): Set the level of parallelism
1027 (gfc_resolve_oacc_routines): Call gfc_add_omp_declare_target.
1030 * gfortran.h (gfc_oacc_routine_name): Add loc member.
1031 (gfc_resolve_oacc_routines): Declare.
1032 * openmp.c (gfc_match_oacc_routine): Move some error checking
1034 (gfc_resolve_oacc_routines): ... this new function.
1035 * resolve.c (resolve_codes): Call it.
1038 * openmp.c (gfc_match_oacc_routine): Clarify.
1041 * module.c (verify_OACC_ROUTINE_LOP_NONE): New function.
1042 (enum ab_attribute): Add AB_OACC_ROUTINE_LOP_GANG,
1043 AB_OACC_ROUTINE_LOP_WORKER, AB_OACC_ROUTINE_LOP_VECTOR,
1044 AB_OACC_ROUTINE_LOP_SEQ.
1045 (attr_bits): Add these.
1046 (mio_symbol_attribute): Handle these.
1048 2019-03-20 Janus Weil <janus@gcc.gnu.org>
1051 * symbol.c (check_conflict): ABSTRACT attribute conflicts with
1052 INTRINSIC attribute.
1054 2019-03-18 Thomas Koenig <tkoeng@gcc.gnu.org>
1057 * iresolve.c: Include trans.h.
1058 (gfc_resolve_fe_runtine_error): Set backend_decl on
1061 2019-03-17 Thomas Koenig <tkoenig@gcc.gnu.org>
1064 * gfortran.h (expr_t): Add EXPR_UNKNOWN.
1065 * expr.c (gfc_copy_expr): Add EXPR_UNKNOWN to switch statement.
1066 (gfc_simplify_expr): Likewise.
1067 * module.c (mio_expr): Likewise.
1068 * resovle.c (extract_compcall_passed_object): Issue error on
1070 (check_typebound_baseobject): Issue error on wrong type.
1071 * trans-expr.c (gfc_apply_interface_mapping_to_expr): Add
1072 EXPR_UNKNOWN to switch statement.
1074 2019-03-16 Jakub Jelinek <jakub@redhat.com>
1077 * scanner.c (load_line): Remove linenum and current_line static
1078 variables, add warned_tabs automatic variable. Use current_file->line
1079 instead of current_line and warned_tabs boolean to avoid diagnosing
1080 tabs multiple times on the same line.
1082 2019-03-16 Thomas Koenig <tkoenig@gcc.gnu.org>
1085 * symbol.c (gfc_add_subroutine): If we are encountering a
1086 subrtoutine within a BLOCK DATA and the name starts with an
1087 underscore, do not check.
1089 2019-03-15 Harald Anlauf <anlauf@gmx.de>
1092 * expr.c (gfc_check_pointer_assign): Correct and improve error
1093 messages for invalid pointer assignments.
1095 2019-03-14 Thomas Koenig <tkoenig@gcc.gnu.org>
1097 * gfortran.texi: Document Q edit descriptor under
1098 "Extensions not implemented in GNU Fortran".
1100 2019-03-13 Harald Anlauf <anlauf@gmx.de>
1103 * trans-expr.c (gfc_trans_pointer_assignment): Move check for same
1104 string length so that we do not get false errors for deferred
1107 2019-03-13 Janus Weil <janus@gcc.gnu.org>
1110 * decl.c (gfc_match_formal_arglist): Reject empty type parameter lists.
1111 (gfc_match_derived_decl): Mark as PDT only if type parameter list was
1112 matched successfully.
1114 2019-03-13 Thomas Koenig <tkoenig@gcc.gnu.org>
1119 * gfortran.h (gfc_symbol): Add bind_c component.
1120 (gfc_get_gsymbol): Add argument bind_c.
1121 * decl.c (add_global_entry): Add bind_c argument to
1123 * parse.c (parse_block_data): Likewise.
1124 (parse_module): Likewise.
1125 (add_global_procedure): Likewise.
1126 (add_global_program): Likewise.
1127 * resolve.c (resolve_common_blocks): Likewise.
1128 (resolve_global_procedure): Likewise.
1129 (gfc_verify_binding_labels): Likewise.
1130 * symbol.c (gfc_get_gsymbol): Add argument bind_c. Set bind_c
1132 * trans-decl.c (gfc_get_module_backend_decl): Add bind_c argument
1134 (gfc_get_extern_function_decl): If the sym has a binding label
1135 and it cannot be found in the global symbol tabel, it is the wrong
1138 2019-03-12 Thomas Koenig <tkoenig@gcc.gnu.org>
1141 * match.c (gfc_match_type_spec): Remove call to
1142 gfc_resolve_expr for character length.
1144 2019-03-12 Martin Liska <mliska@suse.cz>
1146 * decl.c (add_init_expr_to_sym): Replace usage of 'can't'
1148 (variable_decl): Likewise.
1149 (cray_pointer_decl): Likewise.
1150 (match_binding_attributes): Likewise.
1151 * f95-lang.c (gfc_init): Likewise.
1152 * interface.c (gfc_check_typebound_override): Likewise.
1153 * intrinsic.c (make_generic): Likewise.
1154 * module.c (dump_module): Likewise.
1155 (gfc_use_module): Likewise.
1156 * primary.c (gfc_convert_to_structure_constructor): Likewise.
1157 * resolve.c (resolve_entries): Likewise.
1158 (check_generic_tbp_ambiguity): Likewise.
1159 (get_checked_tb_operator_target): Likewise.
1160 * scanner.c (load_file): Likewise.
1161 * trans-expr.c (gfc_conv_intrinsic_to_class): Likewise.
1163 2019-03-12 Paul Thomas <pault@gcc.gnu.org>
1167 * trans-expr.c (set_dtype_for_unallocated): New function.
1168 (gfc_conv_gfc_desc_to_cfi_desc): Call it for allocatable and
1170 (gfc_conv_procedure_call): Likewise. Also, set the ubound of
1171 the final dimension to -1 for assumed rank formal args that are
1172 associated with assumed size arrays.
1173 * trans-intrinsic.c (gfc_conv_intrinsic_bound): Return -1 for
1174 the final dimension of assumed rank entities that are argument
1175 associated with assumed size arrays.
1176 (gfc_conv_intrinsic_shape): Likewise return -1 for the final
1177 dimension of the shape intrinsic.
1179 2019-03-11 Jakub Jelinek <jakub@redhat.com>
1182 * trans-openmp.c (gfc_omp_clause_default_ctor): Set TREE_NO_WARNING
1183 on decl if adding COND_EXPR for allocatable.
1184 (gfc_omp_clause_copy_ctor): Set TREE_NO_WARNING on dest.
1186 2019-03-11 Martin Liska <mliska@suse.cz>
1188 * decl.c (match_record_decl): Wrap an option name
1189 in a string format message and fix GNU coding style.
1190 (gfc_match_pointer): Likewise.
1191 * expr.c (find_array_section): Likewise.
1192 * intrinsic.c (gfc_is_intrinsic): Likewise.
1193 * options.c (gfc_post_options): Likewise.
1194 * primary.c (match_integer_constant): Likewise.
1195 * trans-common.c (translate_common): Likewise.
1197 2019-03-10 Thomas Koenig <tkoenig@gcc.gnu.org>
1200 * trans-array.c (gfc_scalar_elemental_arg_saved_as_reference):
1201 Return false if a scalar tempoary is needed.
1202 (gfc_walk_variable_expr): Fix up class refs.
1204 2019-03-10 Thomas Koenig <tkoenig@gcc.gnu.org>
1207 * symbol.c (gfc_add_procedure): Only throw an error if the
1208 procedure has not been declared either PUBLIC or PRIVATE.
1210 2019-03-09 Thomas Koenig <tkoenig@gcc.gnu.org>
1213 * trans-types.c (gfc_typenode_for_spec) Set ts->is_c_interop of
1215 (create_fn_spec): Mark argument as escaping if ts->is_c_interop is set.
1217 2019-03-09 Janus Weil <janus@gcc.gnu.org>
1220 * expr.c (gfc_check_assign_symbol): Deal with procedure pointers to
1221 pointer-valued functions.
1223 2019-03-09 Thomas König <tkoenig@gcc.gnu.org>
1226 * decl.c (add_init_expr_to_sym): Add shape if init has none. Add
1227 asserts that it has to be an EXPR_ARRAY in this case.
1229 2019-03-08 Jakub Jelinek <jakub@redhat.com>
1232 * arith.c (gfc_complex2complex): Avoid two spaces in the middle of
1234 * resolve.c (resolve_allocate_expr): Likewise.
1236 2019-03-06 Harald Anlauf <anlauf@gmx.de>
1239 * expr.c (simplify_const_ref): Avoid null pointer dereference.
1241 2019-03-03 Harald Anlauf <anlauf@gmx.de>
1242 Steven G. Kargl <kargl@gcc.gnu.org>
1245 * symbol.c (check_conflict): Check for valid procedure name
1246 passed to error reporting routine.
1248 2019-03-03 Thomas Koenig <tkoenig@gcc.gnu.org>
1251 * resolve.c (resolve_allocate_expr): Add some tests for coarrays.
1253 2019-03-02 Harald Anlauf <anlauf@gmx.de>
1256 * check.c (gfc_calculate_transfer_sizes): Correct checks for cases
1257 where storage size of elements of MOLD is 0.
1259 2019-02-28 Thomas Schwinge <thomas@codesourcery.com>
1260 Cesar Philippidis <cesar@codesourcery.com>
1264 * openmp.c (gfc_match_oacc_routine): Handle repeated use of the
1265 Fortran OpenACC 'routine' directive.
1268 * gfortran.h (enum oacc_routine_lop): Add OACC_ROUTINE_LOP_ERROR.
1269 * openmp.c (gfc_oacc_routine_lop, gfc_match_oacc_routine): Use it.
1270 * trans-decl.c (add_attributes_to_decl): Likewise.
1274 * openmp.c (gfc_match_oacc_routine): Accept intrinsic symbols.
1276 2019-02-26 Harald Anlauf <anlauf@gmx.de>
1279 * check.c (gfc_calculate_transfer_sizes): Handle cases where
1280 storage size of elements of MOLD is 0.
1282 2019-02-26 Thomas Koenig <tkoenig@gcc.gnu.org>
1285 * trans-types.c (get_formal_from_actual_arglist): If
1286 the actual arglist has no expression, the corresponding
1287 formal arglist is an alternate return.
1289 2019-02-26 Uroš Bizjak <ubizjak@gmail.com>
1291 * invoke.texi (-ffpe-trap): Use @var for every item in the list.
1293 2019-02-26 Jakub Jelinek <jakub@redhat.com>
1296 * trans-array.c (gfc_conv_array_initializer): Use RANGE_EXPR instead
1297 of duplicating the initializer possibly many times.
1299 2019-02-24 Thomas Koenig <tkoenig@gcc.gnu.org>
1302 * trans-expr.c (gfc_find_and_cut_at_last_class_ref): Add is_mold
1303 to arguments. If we are dealing with a MOLD, call
1304 gfc_expr_to_initialize().
1305 * trans-stmt.c (gfc_trans_allocate): For MOLD, pass is_mold=true
1306 to gfc_find_and_cut_at_last_class_ref.
1307 * trans.h (gfc_find_and_cut_at_last_class_ref): Add optional
1308 argument is_mold with default false.
1310 2019-02-24 Harald Anlauf <anlauf@gmx.de>
1314 * target-memory.c (gfc_element_size): Return false if element size
1315 cannot be determined; element size is returned separately.
1316 (gfc_target_expr_size): Return false if expression size cannot be
1317 determined; expression size is returned separately.
1318 * target-memory.h: Adjust prototypes.
1319 * check.c (gfc_calculate_transfer_sizes): Adjust references to
1320 gfc_target_expr_size, gfc_element_size.
1321 * arith.c (hollerith2representation): Likewise.
1322 * class.c (find_intrinsic_vtab): Likewise.
1323 * simplify.c (gfc_simplify_sizeof): Likewise.
1325 2019-02-23 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1328 * trans-io.c (transfer_expr): Do not return if there are no
1329 components to the derived type or class.
1331 2019-02-23 Paul Thomas <pault@gcc.gnu.org>
1334 * resolve.c (deferred_op_assign): Return if the lhs expression
1335 has the pointer attribute.
1336 * trans-expr.c (gfc_trans_assignment_1): Do not fix the string
1337 length if the lhs expression has the pointer attribute.
1339 2019-02-23 Paul Thomas <pault@gcc.gnu.org>
1343 * decl.c (gfc_verify_c_interop_param): Restriction on string
1344 length being one is lifted for F2018.
1345 * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): For scalar
1346 characters with intent in, make a temporary and copy the result
1347 of the expression evaluation into it.
1348 (gfc_conv_procedure_call): Set a flag for character formal args
1349 having a character length that is not unity. If the procedure
1350 is bind C, call gfc_conv_gfc_desc_to_cfi_desc in this case.
1351 Also, extend bind C calls to unconditionally convert both
1352 pointers and allocatable expressions.
1354 2019-02-23 David Malcolm <dmalcolm@redhat.com>
1355 Jakub Jelinek <jakub@redhat.com>
1358 * simplify.c (norm2_do_sqrt, gfc_simplify_norm2): Use
1359 mpfr_number_p && !mpfr_zero_p instead of mpfr_regular_p.
1360 (norm2_add_squared): Likewise. Use mp_exp_t rather than mpfr_exp_t.
1362 2019-02-22 Harald Anlauf <anlauf@gmx.de>
1365 * io.c (gfc_match_open): Fix logic in checks of OPEN statement
1366 when NEWUNIT= is specified.
1368 2019-02-22 Steven G. Kargl <kargl@gcc.gnu.org>
1371 * gfortran.texi: Fix documentation to match the implementation.
1373 2019-02-22 Thomas Schwinge <thomas@codesourcery.com>
1374 Cesar Philippidis <cesar@codesourcery.com>
1377 * gfortran.h (oacc_routine_lop): New enum.
1378 (symbol_attribute): Use it.
1379 * openmp.c (gfc_oacc_routine_dims): Replace with...
1380 (gfc_oacc_routine_lop): ... this new function.
1381 (gfc_match_oacc_routine): Adjust.
1382 * trans-decl.c (add_attributes_to_decl): Likewise.
1384 2019-02-22 Thomas Schwinge <thomas@codesourcery.com>
1386 * openmp.c (gfc_match_oacc_declare): Revert earlier changes.
1388 2019-02-21 Thomas Koenig <tkoenig@gcc.gnu.org>
1390 * dump-parse-tree.c (debug): Implement for gfc_expr *,
1391 gfc_typespec *, gfc_typespec and gfc_symbol *.
1393 2019-02-21 Thomas Koenig <tkoenig@gcc.gnu.org>
1396 * class.c (gfc_get_len_component): Add argument k for kind.
1397 If the kind of the resulting expression is not equal to k,
1399 * gfortran.h (gfc_len_component): Adjust prototype.
1400 * simplify.c (gfc_simplify_len): Pass kind to
1401 gfc_get_len_component.
1403 2019-02-20 Martin Liska <mliska@suse.cz>
1405 * gfortran.texi: Change singular to plural.
1407 2019-02-20 Martin Liska <mliska@suse.cz>
1409 * gfortran.texi: Document Fortran header directive.
1411 2019-02-19 Thomas Koenig <tkoenig@gcc.gnu.org>
1414 * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): If the dummy
1415 argument is contiguous and the actual argument may not be,
1416 use gfc_conv_subref_array_arg.
1418 2019-02-19 Thomas Schwinge <thomas@codesourcery.com>
1421 * openmp.c (gfc_match_omp_clauses): Add representation of wait clause
1422 without argument as 'wait (GOMP_ASYNC_NOVAL)'.
1424 2019-02-18 Thomas Koenig <tkoenig@gcc.gnu.org>
1427 * trans-decl.c (gfc_get_extern_function_decl): Add argument
1428 actual_args and pass it through to gfc_get_function_type.
1429 * trans-expr.c (conv_function_val): Add argument actual_args
1430 and pass it on to gfc_get_extern_function_decl.
1431 (conv_procedure_call): Pass actual arguments to conv_function_val.
1432 * trans-types.c (get_formal_from_actual_arglist): New function.
1433 (gfc_get_function_type): Add argument actual_args. Generate
1434 formal args from actual args if necessary.
1435 * trans-types.h (gfc_get_function_type): Add optional argument.
1436 * trans.h (gfc_get_extern_function_decl): Add optional argument.
1438 2019-02-18 Martin Liska <mliska@suse.cz>
1440 * decl.c (gfc_match_gcc_builtin): Add support for filtering
1441 of builtin directive based on multilib ABI name.
1443 2019-02-17 Harald Anlauf <anlauf@gmx.de>
1446 * resolve.c (resolve_common_blocks,resolve_common_vars): Move
1447 check for obsolent COMMON feature in F2018 to better place.
1449 2019-02-17 Harald Anlauf <anlauf@gmx.de>
1452 * decl.c (gfc_set_constant_character_len): Clear original string
1453 representation after padding has been performed to target length.
1455 2019-02-16 Jakub Jelinek <jakub@redhat.com>
1458 * simplify.c (simplify_transformation_to_array): Run post_op
1459 immediately after processing corresponding row, rather than at the
1461 (norm2_scale): New variable.
1462 (add_squared): Rename to ...
1463 (norm2_add_squared): ... this. Scale down operand and/or result
1465 (do_sqrt): Rename to ...
1466 (norm2_do_sqrt): ... this. Handle the result == e case. Scale up
1467 result and clear norm2_scale.
1468 (gfc_simplify_norm2): Clear norm2_scale. Change add_squared to
1469 norm2_add_squared and &do_sqrt to norm2_do_sqrt. Scale up result
1470 and clear norm2_scale again.
1472 2019-02-17 Thomas Koenig <tkoenig@gcc.gnu.org>
1475 * trans-decl.c (generate_coarray_sym_init): For an array
1476 constructor in a DATA statement of a coarray variable, set the
1477 rank to 1 to avoid confusion later on. If the constructor
1478 contains only one value, use that for initiailizig.
1480 2019-02-14 Janne Blomqvist <jb@gcc.gnu.org>
1483 * gfortran.h (gfc_option_t): Make flag_init_integer_value a long.
1484 * options.c (gfc_handle_option): Use strtol instead of atoi.
1485 * invoke.texi: Document -finit-integer behavior in more detail.
1487 2019-02-14 Harald Anlauf <anlauf@gmx.de>
1490 * symbol.c: Move check for labeled DO statement from
1491 gfc_define_st_label to gfc_reference_st_label.
1493 2019-02-14 Cesar Philippidis <cesar@codesourcery.com>
1496 * openmp.c (resolve_oacc_nested_loops): Error on do concurrent
1499 2019-02-13 Martin Liska <mliska@suse.cz>
1502 * resolve.c (resolve_operator): Initialize 't' right
1503 after function entry. Skip switch (e->value.op.op)
1504 for -fdec operands that become function calls.
1506 2019-02-10 Thomas Koenig <tkoenig@gcc.gnu.org>
1509 * expr.c (gfc_check_assign): Add argument is_init_expr. If we are
1510 looking at an init expression, issue error if the target is not a
1511 TARGET and we are not looking at a procedure pointer.
1512 * gfortran.h (gfc_check_assign): Add optional argument
1515 2019-02-09 Harald Anlauf <anlauf@gmx.de>
1518 * resolve.c (gfc_resolve_substring_charlen): Check substring
1519 length for constantness prior to general calculation of length.
1521 2019-02-09 Paul Thomas <pault@gcc.gnu.org>
1524 * trans-array.c (gfc_trans_create_temp_array): Set the 'span'
1525 field for derived types.
1527 2019-02-04 Harald Anlauf <anlauf@gmx.de>
1530 * decl.c (add_init_expr_to_sym): Copy length of string initializer
1533 2019-02-04 Martin Liska <mliska@suse.cz>
1536 * resolve.c (resolve_ref): Remove breakout variable as
1537 we need to prevent prev = &(*prev)->next to happen
1540 2019-02-04 Martin Liska <mliska@suse.cz>
1543 * scanner.c (load_file): Report error for -fpre-include
1544 file and do not ICE.
1546 2019-02-02 Dominique d'Humieres <dominiq@gcc.gnu.org>
1549 * invoke.texi: Document the behavior of repeated -ffpe-trap
1552 2019-02-02 Thomas Koenig <tkoenig@gcc.gnu.org>
1555 * arith.c (gfc_int2int): Do not warn if src->do_not_warn is set.
1556 * gfortran.h (gfc_expr): Add flag do_not_warn.
1557 * intrinsic.c (gfc_convert_type_warn): Set expr->do_not_warn if
1558 no warning is desired.
1560 2019-02-02 Paul Thomas <pault@gcc.gnu.org>
1563 * trans-expr.c (gfc_conv_procedure_call): For derived entities,
1564 passed in parentheses to class formals, invert the order of
1565 copying allocatable components to taking the _data of the
1568 2019-02-02 Paul Thomas <pault@gcc.gnu.org>
1571 * trans-array.c (gfc_array_init_size): Add element_size to the
1573 (gfc_array_allocate): Remove the recalculation of the size of
1574 the element and use element_size from the call to the above.
1575 Unconditionally set the span field of the descriptor.
1577 2019-02-02 Paul Thomas <pault@gcc.gnu.org>
1580 * expr.c (is_subref_array): Move the check for class pointer
1581 dummy arrays to after the reference check. If we haven't seen
1582 an array reference other than an element and a component is not
1583 class or derived, return false.
1585 2019-02-01 Jakub Jelinek <jakub@redhat.com>
1589 * trans-decl.c (generate_local_decl): Add referenced FL_PARAMETERs
1590 if sym->ns->construct_entities rather than if
1591 sym->ns->parent->code->op == EXEC_BLOCK.
1593 2019-01-31 Thomas Koenig <tkoenig@gcc.gnu.org>
1596 * resolve.c (resolve_component): If the reference is a BT_CLASS,
1597 copy the contiguous attribute from the reference and use the
1600 2019-01-30 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1603 * io.c (match_io): Add check for comma after '*' without subsequent
1606 2019-01-30 Dominique d'Humieres <dominiq@gcc.gnu.org>
1609 * invoke.texi: Document the promotion of double precision
1612 2019-01-29 Thomas Koenig <tkoenig@gcc.gnu.org>
1615 * interface.c (gfc_compare_types): If a derived type and an
1616 integer both have a derived type, and they are identical,
1617 this is a C binding type and compares equal.
1619 2019-01-26 Harald Anlauf <anlauf@gmx.de>
1622 * expr.c (check_inquiry): Add list of inquiry functions allowed in
1623 constant expressions for F2008+.
1625 2019-01-25 Steven G. Kargl <kargl@gcc.gnu.org>
1628 * decl.c (gfc_match_subroutine): Check for conflict between BIND(C)
1629 and alternative return.
1631 2019-01-24 Paul Thomas <pault@gcc.gnu.org>
1634 * trans-array.c (gfc_conv_descriptor_elem_len): New function.
1635 * trans-array.h : Add prototype for above.
1636 * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Take account of
1637 assumed rank arrays being flagged by rank = -1 in expressions.
1638 Intent in arrays need a pointer to a copy of the data to be
1639 assigned to the descriptor passed for conversion. This should
1640 then be freed, together with the CFI descriptor on return from
1643 2019-01-22 Harald Anlauf <anlauf@gmx.de>
1646 * trans-expr.c (gfc_conv_power_op): Handle cases of (2**e) ** integer
1647 and (- 2**e) ** integer.
1649 2019-01-19 Dominique d'Humieres <dominiq@gcc.gnu.org>
1652 * resolve.c (resolve_types): Add !flag_automatic.
1653 * symbol.c (gfc_add_save): Silence warnings.
1655 2019-01-19 Steven G. Kargl <kargl@gcc.gnu.org>
1658 * io.c (match_io_element): input-item cannot be an external function.
1660 2018-01-19 Thomas Koenig <tkoenig@gcc.gnu.org>
1661 Paul Thomas <pault@gcc.gnu.org>
1664 * trans-expr.c (gfc_conv_procedure_call): Call
1665 gfc_conv_subref_array_arg if the formal arg is contiguous
1666 and the actual arg may not be.
1668 2019-01-17 Thomas Koenig <tkoenig@gcc.gnu.org>
1671 * resolve.c (resolve_ref): Fix logic for removal of
1674 2019-01-19 Jakub Jelinek <jakub@redhat.com>
1677 * trans-decl.c (gfc_get_symbol_decl): Don't add length to function
1678 or parent function if it has been added there already.
1680 2019-01-15 Thomas Koenig <tkoenig@gcc.gnu.org>
1683 * resolve.c (resolve_array_ref): Add equal_length argument; set it
1684 if the length of the substring equals that of the orignal
1686 (resolve_ref): Remove the substring if it is equal in length to
1687 the original variable, unless it is an EXPR_SUBSTRING).
1689 2019-01-15 Steven G. Kargl <kargl@gcc.gnu.org>
1692 * resolve.c (resolve_symbol): Host associated varaibles can appear
1693 in the specification statement of a RESULT array.
1695 2019-01-15 Paul Thomas <pault@gcc.gnu.org>
1697 * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Deal with exprs
1698 that are indirect references; ie. dummy arguments.
1700 2019-01-13 Dominique d'Humieres <dominiq@gcc.gnu.org>
1703 * gfortran.texi: Replace @xref with @ref and adjust the sentence.
1705 2019-01-13 Thomas Koenig <tkoenig@gcc.gnu.org>
1708 * trans-array.c (gfc_conv_array_parameter): Do not pack/unpack
1709 functions with contiguous results.
1711 2019-01-13 Thomas Koenig <tkoenig@gcc.gnu.org>
1714 * trans-array.c (gfc_conv_array_parameter): Remove TODO. Do not
1715 pack/unpack results of functions which return an explicit-shaped
1716 or allocatable array.
1718 2019-01-12 Steven G. Kargl <kargl@gcc.gnu.org>
1721 * resolve.c (gfc_verify_binding_labels): Break if-elseif-elseif
1722 structure into independent if's with a return to simplify logic.
1723 Avoid a check for ENTRY name with bind(c).
1725 2019-01-12 Paul Thomas <pault@gcc.gnu.org>
1727 * gfortran.texi: Add description in sections on TS 29113 and
1728 further interoperability with C.
1729 * trans-array.c (gfc_conv_descriptor_attribute): New function.
1730 (gfc_get_dataptr_offset): Remove static function attribute.
1731 * trans-array.h: Add prototypes for above functions.
1732 * trans-decl.c: Add declarations for the library functions
1733 cfi_desc_to_gfc_desc and gfc_desc_to_cfi_desc.
1734 * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): New function.
1735 (gfc_conv_procedure_call): Call it for scalar and array actual
1736 arguments, when the formal arguments are bind_c with assumed
1737 shape or assumed rank.
1738 * trans.h: External declarations for gfor_fndecl_cfi_to_gfc
1739 and gfor_fndecl_gfc_to_cfi.
1741 2019-01-11 Steven G. Kargl <kargl@gcc.gnu.org>
1744 * decl.c (gfc_match_entry): Check for F2018:C1546. Fix nearby
1747 2019-01-11 Jakub Jelinek <jakub@redhat.com>
1751 * trans-openmp.c: Include attribs.h.
1752 (gfc_walk_alloc_comps, gfc_omp_clause_linear_ctor): Handle
1753 VAR_DECL max bound with "omp dummy var" attribute like NULL or
1754 error_mark_node - recompute number of elts independently.
1756 2019-01-11 Thomas Koenig <tkoenig@gcc.gnu.org>
1759 * trans-array.c (gfc_conv_parameter_array): Temporary
1760 arrays generated for expressions do not need to be repacked.
1762 2019-01-10 Steven G. Kargl <kargl@gcc.gnu.org>
1765 * decl.c (top_var_list): Set locus of expr.
1766 (gfc_match_data): Detect pointer on non-rightmost part-refs.
1768 2019-01-09 Steven G. Kargl <kargl@gcc.gnu.org>
1771 * resolve.c (is_illegal_recursion): Remove an assert().
1773 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
1776 * expr.c: Change "can not" to "cannot".
1778 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
1781 * class.c: Mechanically replace "can not" with "cannot".
1784 * gfc-internals.texi: Likewise.
1785 * intrinsic.texi: Likewise.
1786 * invoke.texi: Likewise.
1788 * match.c: Likewise.
1789 * parse.c: Likewise.
1790 * primary.c: Likewise.
1791 * resolve.c: Likewise.
1792 * symbol.c: Likewise.
1793 * trans-array.c: Likewise.
1794 * trans-decl.c: Likewise.
1795 * trans-intrinsic.c: Likewise.
1796 * trans-stmt.c: Likewise.
1798 2019-01-09 Thomas Koenig <tkoenig@gcc.gnu.org>
1801 * simplify.c (gfc_simplify_spread): Also simplify if the
1802 type of source is an EXPR_STRUCTURE.
1804 2019-01-08 Janus Weil <janus@gcc.gnu.org>
1807 * class.c (gfc_find_vtab): For polymorphic typespecs, the components of
1808 the class container may not be available (in case of invalid code).
1810 2019-01-08 Richard Biener <rguenther@suse.de>
1813 * trans-expr.c (gfc_conv_initializer): For ISOCBINDING_NULL_*
1814 directly build the expected GENERIC tree.
1816 2019-01-07 Thomas Koenig <tkoenig@gcc.gnu.org>
1817 Harald Anlauf <anlauf@gmx.de>
1818 Tobias Burnus <burnus@gcc.gnu.org>
1821 * check.c (gfc_check_is_contiguous): New function.
1822 * expr.c (gfc_is_not_contiguous): New function.
1823 * gfortran.h (gfc_isym_id): Add GFC_ISYM_IS_CONTIGUOUS.
1824 Add prototype for gfc_is_not_contiguous.
1825 * intrinsic.c (do_ts29113_check): Add GFC_ISYM_IS_CONTIGUOUS.
1826 (add_function): Add is_contiguous.
1827 * intrinsic.h: Add prototypes for gfc_check_is_contiguous,
1828 gfc_simplify_is_contiguous and gfc_resolve_is_contiguous.
1829 * intrinsic.texi: Add IS_CONTIGUOUS.
1830 * iresolve.c (gfc_resolve_is_contiguous): New function.
1831 * simplify.c (gfc_simplify_is_contiguous): New function.
1832 * trans-decl.c (gfor_fncecl_is_contiguous0): New variable.
1833 (gfc_build_intrinsic_function_decl): Add it.
1834 * trans-intrinsic.c (gfc_conv_intrinsic_is_contiguous): New
1836 (gfc_conv_intrinsic_function): Handle GFC_ISYM_IS_CONTIGUOUS.
1838 2019-01-06 Thomas Koenig <tkoenig@gcc.gnu.org>
1841 * gfortran.h: Add macro gfc_real_4_kind
1842 * simplify.c (simplify_min_max): Special case for the types of
1843 AMAX0, AMIN0, MAX1 and MIN1, which actually change the types of
1846 2019-01-05 Janus Weil <janus@gcc.gnu.org>
1849 * class.c (gfc_find_derived_vtab): Mark the _final component as
1851 (find_intrinsic_vtab): Ditto. Also add an extra check to avoid
1852 dereferencing a null pointer and adjust indentation.
1853 * resolve.c (resolve_fl_variable): Add extra check to avoid
1854 dereferencing a null pointer. Move variable declarations to local scope.
1855 (resolve_fl_procedure): Add extra check to avoid dereferencing a null
1857 * symbol.c (check_conflict): Suppress errors for artificial symbols.
1859 2019-01-01 Steven G. Kargl <kargl@gcc.gnu.org>
1861 * parse.c (decode_statement): Suppress "Unclassifiable statement"
1862 error if previous error messages were emittes.
1864 2019-01-01 Thomas Koenig <tkoenig@gcc.gnu.org>
1867 * primary.c (gfc_convert_to_structure_constructor): If a character
1868 in a constructor is too long, add a warning with
1869 -Wcharacter-truncation.
1871 2019-01-01 Jakub Jelinek <jakub@redhat.com>
1873 Update copyright years.
1875 * gfortranspec.c (lang_specific_driver): Update copyright notice
1877 * gfc-internals.texi: Bump @copying's copyright year.
1878 * gfortran.texi: Ditto.
1879 * intrinsic.texi: Ditto.
1880 * invoke.texi: Ditto.
1882 Copyright (C) 2019 Free Software Foundation, Inc.
1884 Copying and distribution of this file, with or without modification,
1885 are permitted in any medium without royalty provided the copyright
1886 notice and this notice are preserved.