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re PR fortran/87284 (Allocation of class arrays with mold results in "conditional...
[gcc.git] / gcc / fortran / ChangeLog
1 2018-09-12 Paul Thomas <pault@gcc.gnu.org>
2
3 PR fortran/87284
4 * trans-expr.c (gfc_trans_class_init_assign): Access to
5 to array elements of the dynamic type requires that the array
6 reference be added to the class expression and not the _data
7 component, unlike scalar expressions.
8
9 2018-09-11 Janus Weil <janus@gcc.gnu.org>
10
11 PR fortran/87172
12 * resolve.c (resolve_fl_derived): If a type has the 'use_assoc'
13 attribute, then it was declared in another module, so there should be
14 no error that it has not been declared.
15
16 2018-09-11 Paul Thomas <pault@gcc.gnu.org>
17
18 PR fortran/87277
19 * expr.c (is_subref_array): Add the check of dimensionality for
20 class, dummy, pointer arrays.
21
22 2018-09-11 Janus Weil <janus@gcc.gnu.org>
23
24 PR fortran/86830
25 * expr.c (gfc_is_simply_contiguous): Handle type-bound procedure calls
26 with non-polymorphic objects.
27
28 2018-09-10 Janus Weil <janus@gcc.gnu.org>
29
30 PR fortran/85395
31 * decl.c (match_binding_attributes): Use correct default accessibility
32 for procedure pointer components.
33
34 2018-09-03 Jerry DeLisle <jvdelisle@gcc.gnu.org>
35
36 * simplify.c (gfc_simplify_modulo): Re-arrange code to test whether
37 'P' is zero and issue an error if it is.
38
39 2018-08-31 Paul Thomas <pault@gcc.gnu.org>
40
41 PR fortran/86328
42 PR fortran/86760
43 * trans-array.c (gfc_conv_scalarized_array_ref): Do not fix
44 info->descriptor but pass it directly to gfc_build_array_ref.
45 (gfc_conv_array_ref): Likewise for se->expr.
46 * trans.c (gfc_build_array_ref): If 'decl' is a COMPONENT_REF
47 obtain the span field directly from it.
48
49 2017-08-28 Paul Thomas <pault@gcc.gnu.org>
50
51 PR fortran/80477
52 * trans-expr.c (gfc_conv_procedure_call): Allocatable class
53 scalar results being passed to a derived type formal argument
54 are finalized if possible. Otherwise, rely on existing code for
55 deallocation. Make the deallocation of allocatable result
56 components conditional on finalization not taking place. Make
57 the freeing of data components after finalization conditional
58 on the data being NULL.
59 (gfc_trans_arrayfunc_assign): Change the gcc_assert to a
60 condition to return NULL_TREE.
61 (gfc_trans_assignment_1): If the assignment is class to class
62 and the rhs expression must be finalized but the assignment
63 is not marked as a polymorphic assignment, use the vptr copy
64 function instead of gfc_trans_scalar_assign.
65
66 PR fortran/86481
67 * trans-expr.c (gfc_conv_expr_reference): Do not add the post
68 block to the pre block if the expression is to be finalized.
69 * trans-stmt.c (gfc_trans_allocate): If the expr3 must be
70 finalized, load the post block into a finalization block and
71 add it right at the end of the allocation block.
72
73 2018-08-27 David Malcolm <dmalcolm@redhat.com>
74
75 PR 87091
76 * error.c (gfc_format_decoder): Update for conversion of
77 show_caret_p to a tri-state.
78
79 2018-08-25 Janus Weil <janus@gcc.gnu.org>
80
81 PR fortran/86545
82 * resolve.c (resolve_transfer): Correctly determine typespec for
83 generic function calls, in order to throw a proper error.
84
85 2018-08-24 Thomas Koenig <tkoenig@gcc.gnu.org>
86
87 PR fortran/86837
88 * frontend-passes.c (var_in_expr_callback): New function.
89 (var_in_expr): New function.
90 (traverse_io_block): Use var_in_expr instead of
91 gfc_check_dependency for checking if the variable depends on the
92 previous interators.
93
94 2018-08-23 Janne Blomqvist <blomqvist.janne@gmail.com>
95
96 * trans-intrinsic.c (gfc_conv_intrinsic_minmaxval): Delete
97 HONOR_SIGNED_ZEROS checks.
98
99 2018-08-23 Paul Thomas <pault@gcc.gnu.org>
100
101 PR fortran/86863
102 * resolve.c (resolve_typebound_call): If the TBP is not marked
103 as a subroutine, check the specific symbol.
104
105 2018-08-22 Thomas Koenig <tkoenig@gcc.gnu.org>
106
107 * gfortran.texi: Mention that asynchronous I/O does
108 not work on systems which lack condition variables, such
109 as AIX.
110
111 2018-08-22 Janus Weil <janus@gcc.gnu.org>
112
113 PR fortran/86935
114 * match.c (gfc_match_associate): Improve diagnostics for the ASSOCIATE
115 statement.
116
117 2018-08-22 Andrew Benson <abensonca@gmail.com>
118
119 * module.c (load_generic_interfaces): Move call to find_symbol()
120 so that only occurs if actually needed.
121
122 2018-08-22 Janus Weil <janus@gcc.gnu.org>
123
124 PR fortran/86888
125 * decl.c (gfc_match_data_decl): Allow allocatable components of
126 indirectly recursive type.
127 * resolve.c (resolve_component): Remove two errors messages ...
128 (resolve_fl_derived): ... and replace them by a new one.
129
130 2018-08-21 Janne Blomqvist <jb@gcc.gnu.org>
131
132 * trans-intrinsic.c (gfc_conv_intrinsic_minmax): Use
133 MAX_EXPR/MIN_EXPR unconditionally for real arguments.
134 * gfortran.texi (Compiler Characteristics): Document MAX/MIN
135 behavior wrt NaN.
136
137 2018-08-21 Nicolas Koenig <koenigni@gcc.gnu.org>
138 Thomas Koenig <tkoenig@gcc.gnu.org>
139
140 PR fortran/25829
141 * gfortran.texi: Add description of asynchronous I/O.
142 * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
143 as volatile.
144 * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
145 st_wait_async and change argument spec from ".X" to ".w".
146 (gfc_trans_wait): Pass ID argument via reference.
147
148 2018-08-16 Nathan Sidwell <nathan@acm.org>
149
150 * cpp.c (dump_macro): Use cpp_user_macro_p.
151
152 2018-08-14 Janus Weil <janus@gcc.gnu.org>
153
154 PR fortran/86116
155 * interface.c (compare_type): Remove a CLASS/TYPE check.
156 (compare_type_characteristics): New function that behaves like the old
157 'compare_type'.
158 (gfc_check_dummy_characteristics, gfc_check_result_characteristics):
159 Call 'compare_type_characteristics' instead of 'compare_type'.
160
161 2018-08-12 Paul Thomas <pault@gcc.gnu.org>
162
163 PR fortran/66679
164 * trans-intrinsic.c (gfc_conv_intrinsic_transfer): Class array
165 elements are returned as references to the data element. Get
166 the class expression by stripping back the references. Use this
167 for the element size.
168
169 2018-08-12 Paul Thomas <pault@gcc.gnu.org>
170
171 PR fortran/86906
172 * resolve.c (resolve_fl_variable_derived): Check if the derived
173 type is use associated before checking for the host association
174 error.
175
176 2018-08-10 Janus Weil <janus@gcc.gnu.org>
177
178 PR fortran/57160
179 * invoke.texi (frontend-optimize): Mention short-circuiting.
180 * options.c (gfc_post_options): Disable -ffrontend-optimize with -Og.
181 * resolve.c (resolve_operator): Warn about short-circuiting only with
182 -ffrontend-optimize.
183 * trans-expr.c (gfc_conv_expr_op): Use short-circuiting operators only
184 with -ffrontend-optimize. Without that flag, make sure that both
185 operands are evaluated.
186
187 2018-08-08 Nathan Sidwell <nathan@acm.org>
188
189 * cpp.c (cb_file_change): Use linemap_included_from.
190
191 2018-08-07 Cesar Philippidis <cesar@codesourcery.com>
192
193 * trans-stmt.h: Remove stale reference to trans-openacc.c.
194
195 2018-08-04 Janus Weil <janus@gcc.gnu.org>
196
197 PR fortran/45521
198 * interface.c (gfc_compare_interfaces): Apply additional
199 distinguishability criteria of F08 to operator interfaces.
200
201 2018-07-31 Andre Vieira <andre.simoesdiasvieira@arm.com>
202
203 Revert 'AsyncI/O patch committed'
204 2018-07-25 Nicolas Koenig <koenigni@gcc.gnu.org>
205 Thomas Koenig <tkoenig@gcc.gnu.org>
206
207 PR fortran/25829
208 * gfortran.texi: Add description of asynchronous I/O.
209 * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
210 as volatile.
211 * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
212 st_wait_async and change argument spec from ".X" to ".w".
213 (gfc_trans_wait): Pass ID argument via reference.
214
215 2018-07-25 Nicolas Koenig <koenigni@gcc.gnu.org>
216 Thomas Koenig <tkoenig@gcc.gnu.org>
217
218 PR fortran/25829
219 * gfortran.texi: Add description of asynchronous I/O.
220 * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
221 as volatile.
222 * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
223 st_wait_async and change argument spec from ".X" to ".w".
224 (gfc_trans_wait): Pass ID argument via reference.
225
226 2018-07-20 Martin Sebor <msebor@redhat.com>
227
228 PR middle-end/82063
229 * gfortran.h (gfc_handle_option): Change function argument
230 to HOST_WIDE_INT.
231 * options.c (gfc_handle_option): Same.
232
233 2018-07-20 Andrew Benson <abenson@carnegiescience.edu>
234
235 * gfortran.h (gfc_symbol): Add pointer to next derived type.
236 (gfc_dt_list, gfc_get_dt_list): Remove.
237 (gfc_namespace): Replace gfc_dt_list with gfc_symbol.
238 * parse.c (resolve_all_program_units): Replace gfc_free_dt_list() with
239 simple nullification of gfc_derived_types.
240 * resolve.c (resolve_global_procedure): Replace gfc_dt_list with
241 gfc_symbol.
242 (add_dt_to_dt_list): Change derived type linked list insertion to
243 utilize dt_next pointers in gfc_symbol.
244 * symbol.c (gfc_new_symbol, gfc_free_dt_list, gfc_symbol_done2)
245 (get_iso_c_binding_dt, generate_isocbinding_symbol): Remove
246 gfc_free_dt_list as gfc_dt_list is obsoleted. Change derived type
247 linked list search/insertion to utilize dt_next pointers in gfc_symbol.
248 * trans-types.c (gfc_get_derived_type): Change derived type linked
249 list search to utilize dt_next pointers in gfc_symbol.
250
251 2018-07-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
252
253 * trans-intrinsic.c: (gfc_conv_intrinsic_minmax): Emit MIN_MAX_EXPR
254 or IFN_FMIN/FMAX sequence to calculate the min/max when possible.
255
256 2018-07-18 Janus Weil <janus@gcc.gnu.org>
257 Thomas Koenig <tkoenig@gcc.gnu.org>
258
259 PR fortran/85599
260 * dump-parse-tree.c (show_attr): Add handling of implicit_pure.
261 * frontend-passes.c (do_warn_function_elimination): Do not warn for
262 pure functions.
263 * gfortran.h: Add prototypes for gfc_pure_function and
264 gfc_implicit_pure_function.
265 * gfortran.texi: Add chapter on evaluation of logical expressions.
266 * invoke.texi: Mention that -Wfunction-elimination is implied
267 by -Wextra.
268 * lang.opt: Make -Wextra imply -Wfunction-elimination.
269 * resolve.c (pure_function): Rename to gfc_pure_function.
270 (gfc_implicit_pure_function): New function.
271 (check_pure_function): Use it here.
272 (impure_function_callback): New function.
273 (resolve_operator): Call it via gfc_expr_walker.
274
275 2018-07-16 Fritz Reese <fritzoreese@gmail.com>
276
277 PR fortran/83184
278 * decl.c (match_old_style_init): Initialize locus of variable expr when
279 creating a data variable.
280 (match_clist_expr): Verify array is explicit shape/size before
281 attempting to allocate constant array constructor.
282
283 2018-07-16 Fritz Reese <fritzoreese@gmail.com>
284
285 PR fortran/86417
286 * module.c (mio_component): Set component->loc when loading from module.
287
288 2018-07-10 Jakub Jelinek <jakub@redhat.com>
289
290 PR fortran/86421
291 * module.c (omp_declare_simd_clauses): Add LINEAR with _REF, _VAL and
292 _UVAL suffixes.
293 (mio_omp_declare_simd): Save and restore ref, val and uval modifiers
294 on linear clauses. Initialize n->where to gfc_current_locus.
295
296 2018-07-05 Paul Thomas <pault@gcc.gnu.org>
297
298 PR fortran/86408
299 * resolve.c.c (resolve_contained_fntype): Reference to C418 is
300 in F2008 and not F2003.
301 (resolve_function): Ditto in error message. Also, exclude
302 deferred character length results from the error.
303
304 2018-07-05 Fritz Reese <fritzoreese@gmail.com>
305
306 PR fortran/83183
307 PR fortran/86325
308 * expr.c (class_allocatable, class_pointer, comp_allocatable,
309 comp_pointer): New helpers.
310 (component_initializer): Generate EXPR_NULL for allocatable or pointer
311 components. Do not generate initializers for components within BT_CLASS.
312 Do not assign to comp->initializer.
313 (gfc_generate_initializer): Use new helpers; move code to generate
314 EXPR_NULL for class allocatable components into component_initializer().
315
316 2018-07-04 Jerry DeLisle <jvdelisle@gcc.gnu.org>
317
318 PR fortran/82009
319 * trans-decl.c (gfc_process_block_locals): Delete assert and set
320 saved_local_decls = NULL_TREE.
321
322 2018-07-02 Richard Biener <rguenther@suse.de>
323
324 PR lto/86321
325 * trans-types.c (gfc_get_array_type_bounds): Unshare TYPE_FIELDs
326 for the distinct type copy.
327
328 2018-07-02 Paul Thomas <pault@gcc.gnu.org>
329
330 PR fortran/82969
331 PR fortran/86242
332 * trans-array.c (structure_alloc_comps): Do not explicitly copy
333 procedure pointer components.
334
335 2018-07-02 Paul Thomas <pault@gcc.gnu.org>
336
337 PR fortran/45305
338 * expr.c : Add a prototype for scalarize_intrinsic_call.
339 (gfc_simplify_expr): Use scalarize_intrinsic_call for elemental
340 intrinsic function calls.
341 (scalarize_intrinsic_call): Add 'init_flag' argument. Check if
342 the expression or any of the actual argument expressions are
343 NULL. Before calling gfc_check_init_expr, check 'init_flag'.
344 Only simplify the scalarized expressions if there are no errors
345 on the stack.
346 (gfc_check_init_expr): Set 'init_flag' true in the call to
347 scalarize_intrinsic_call.
348
349 2018-06-28 Fritz Reese <fritzoreese@gmail.com>
350
351 PR fortran/82865
352 * decl.c (gfc_match_type): Refactor and check for PDT declarations.
353
354 2018-06-28 Martin Liska <mliska@suse.cz>
355
356 * gfortranspec.c: Include opt-suggestions.h.
357
358 2018-06-25 Fritz Reese <fritzoreese@gmail.com>
359
360 PR fortran/82972
361 PR fortran/83088
362 PR fortran/85851
363 * expr.c (component_initializer): Assign init expr to c->initializer.
364 (generate_isocbinding_initializer): New.
365 (gfc_generate_initializer): Call generate_isocbinding_initializer to
366 generate initializers for c_ptr and c_funptr with -finit-derived.
367
368 2018-06-23 Jerry DeLisle <jvdelisle@gcc.gnu.org>
369
370 PR fortran/85983
371 * interface.c (check_dtio_interface1): Delete assert.
372
373 2018-06-22 Paul Thomas <pault@gcc.gnu.org>
374 Rainer Orth <ro@gcc.gnu.org>
375
376 PR fortran/86281
377 * resolve.c (resolve_contained_fntype): Check for the charlen
378 before testing the length.
379
380 2018-06-21 Paul Thomas <pault@gcc.gnu.org>
381
382 PR fortran/49630
383 * resolve.c (resolve_contained_fntype): Change standard ref.
384 from F95 to F2003: C418. Correct a spelling error in a comment.
385 It is an error for an abstract interface to have an assumed
386 character length result.
387 * trans-expr.c (gfc_conv_procedure_call): Likewise change the
388 standard reference.
389
390 2018-06-21 Paul Thomas <pault@gcc.gnu.org>
391
392 PR fortran/83118
393 * resolve.c (resolve_ordinary_assign): Force the creation of a
394 vtable for assignment of non-polymorphic expressions to an
395 unlimited polymorphic object.
396 * trans-array.c (gfc_alloc_allocatable_for_assignment): Use the
397 size of the rhs type for such assignments. Set the dtype, _len
398 and vptrs appropriately.
399 * trans-expr.c (gfc_trans_assignment): Force the use of the
400 _copy function for these assignments.
401
402 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
403 Thomas Schwinge <thomas@codesourcery.com>
404 Cesar Philippidis <cesar@codesourcery.com>
405
406 * gfortran.h (gfc_omp_clauses): Add unsigned if_present, finalize
407 bitfields.
408 * openmp.c (enum omp_mask2): Remove OMP_CLAUSE_PRESENT_OR_*. Add
409 OMP_CLAUSE_{IF_PRESENT,FINALIZE}.
410 (gfc_match_omp_clauses): Update handling of copy, copyin, copyout,
411 create, deviceptr, present_of_*. Add support for finalize and
412 if_present.
413 (OACC_PARALLEL_CLAUSES): Remove PRESENT_OR_* clauses.
414 (OACC_KERNELS_CLAUSES): Likewise.
415 (OACC_DATA_CLAUSES): Likewise.
416 (OACC_DECLARE_CLAUSES): Likewise.
417 (OACC_UPDATE_CLAUSES): Add IF_PRESENT clause.
418 (OACC_ENTER_DATA_CLAUSES): Remove PRESENT_OR_* clauses.
419 (OACC_EXIT_DATA_CLAUSES): Add FINALIZE clause.
420 (gfc_match_oacc_declare): Update to OpenACC 2.5 semantics.
421 * trans-openmp.c (gfc_trans_omp_clauses): Add support for IF_PRESENT
422 and FINALIZE.
423
424 2018-06-18 Eric Botcazou <ebotcazou@adacore.com>
425
426 * trans-decl.c (gfc_get_fake_result_decl): Revert latest change.
427
428 2018-06-17 Eric Botcazou <ebotcazou@adacore.com>
429
430 * trans-decl.c (nonlocal_dummy_decl_pset): Delete.
431 (nonlocal_dummy_decls): Likewise.
432 (gfc_nonlocal_dummy_array_decl): Likewise.
433 (gfc_get_symbol_decl): Do not call gfc_nonlocal_dummy_array_decl.
434 (gfc_get_fake_result_decl): Do not generate a new DECL if simply
435 reusing the result of a recursive call.
436 (gfc_generate_function_code): Do not create, insert and destroy
437 nonlocal_dummy_decls.
438
439 2018-06-13 Steven G. Kargl <kargl@gcc.gnu.org>
440
441 PR fortran/86110
442 * array.c (gfc_resolve_character_array_constructor): Avoid NULL
443 pointer dereference.
444
445 2018-06-13 Cesar Philippidis <cesar@codesourcery.com>
446
447 PR fortran/85703
448 * parse.c (decode_oacc_directive): Set gfc_matching_function
449 to false.
450 (decode_omp_directive): Likewise.
451
452 2018-06-13 Cesar Philippidis <cesar@codesourcery.com>
453
454 PR fortran/85702
455 * openmp.c (gfc_match_oacc_wait): Use %C to report error location.
456
457 2018-06-12 David Malcolm <dmalcolm@redhat.com>
458
459 PR other/69968
460 * misc.c (gfc_closest_fuzzy_match): Update for renaming of
461 levenshtein_distance to get_edit_distance.
462
463 2018-06-12 Steven G. Kargl <kargl@gcc.gnu.org>
464
465 PR fortran/44491
466 * expr.c (gfc_check_assign): Select non-NULL locus.
467
468 2018-06-11 Janus Weil <janus@gcc.gnu.org>
469
470 PR fortran/45521
471 * interface.c (compare_ptr_alloc): New function.
472 (generic_correspondence): Call it.
473
474 2018-06-10 Thomas Koenig <tkoenig@gcc.gnu.org>
475
476 * gfortran.h (gfc_expr): Add no_bounds_check field.
477 * frontend-passes.c (get_array_inq_function): Set no_bounds_check
478 on function and function argument.
479 (inline_matmul_assign): Set no_bounds_check on zero expression
480 and on lhs of zero expression.
481 Also handle A1B2 case if realloc on assigment is active.
482 * trans-array.c (gfc_conv_array_ref): Don't do range checking
483 if expr has no_bounds_check set.
484 (gfc_conv_expr_descriptor): Set no_bounds_check on ss if expr
485 has it set.
486 * trans-expr.c (gfc_trans_assignment_1): Set no_bounds_check
487 on lss and lss if the corresponding expressions have it set.
488
489 2018-06-10 Dominique d'Humieres <dominiq@gcc.gnu.org>
490
491 PR fortran/79854
492 * trans-const.c: Remove include "diagnostic-core.h".
493 (gfc_conv_constant_to_tree): Replace fatal_error with gcc_unreachable.
494
495 2018-06-10 Janus Weil <janus@gcc.gnu.org>
496
497 PR fortran/85088
498 * decl.c (match_attr_spec): Synchronize the DECL_* enum values with the
499 INTENT_* values from the enum 'sym_intent'. Call 'match_intent_spec'
500 and remove a TODO note.
501 * gfortran.h: Add a comment to sym_intent.
502
503 2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org>
504
505 PR fortran/38351
506 * resolve.c (resolve_operator): Provide better error message for
507 derived type entity used in an binary intrinsic numeric operator.
508
509 2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org>
510
511 PR fortran/85138
512 PR fortran/85996
513 PR fortran/86051
514 * decl.c (gfc_match_char_spec): Use private namespace in attempt to
515 reduce a charlen to a constant.
516
517 2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org>
518
519 PR fortran/78278
520 * data.c (gfc_assign_data_value): Re-arrange code to allow for
521 an error for double initialization of CHARACTER entities.
522
523 2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org>
524
525 PR fortran/63514
526 * symbol.c (gfc_add_volatile): Enforce F2008:C1282 and F2018:C1588.
527
528 2018-06-08 Thomas Koenig <tkoenig@gcc.gnu.org>
529
530 PR fortran/85631
531 * trans.h (gfc_ss): Add field no_bounds_check.
532 * trans-array.c (gfc_conv_ss_startstride): If flag_realloc_lhs and
533 ss->no_bounds_check is set, do not use runtime checks.
534 * trans-expr.c (gfc_trans_assignment_1): Set lss->no_bounds_check
535 for reallocatable lhs.
536
537 2018-06-08 Steven G. Kargl <kargl@gcc.gnu.org>
538
539 PR fortran/86059
540 * array.c (match_array_cons_element): NULL() cannot be in an
541 array constructor.
542
543 2018-06-08 Steven G. Kargl <kargl@gcc.gnu.org>
544
545 PR fortran/78571
546 * data.c (create_character_initializer): Return early if type is
547 incompatible with CHARACTER.
548
549 2018-06-07 Steven G. Kargl <kargl@gcc.gnu.org>
550
551 PR fortran/86045
552 * simplify.c (gfc_simplify_mod): Re-arrange code to test whether
553 'P' is zero and issue an error if it is.
554
555 2018-06-06 Thomas Koenig <tkoenig@gcc.gnu.org>
556
557 PR fortran/85641
558 * frontend-passes.c (is_fe_temp): Add prototype.
559 (realloc_string_callback): Early return for frontend-generated
560 temporary.
561
562 2018-06-05 Cesar Philippidis <cesar@codesourcery.com>
563
564 PR fortran/85701
565
566 * openmp.c (gfc_resolve_oacc_declare): Error on functions and
567 subroutine data clause arguments.
568
569 2018-06-04 Steven G. Kargl <kargl@gcc.gnu.org>
570
571 PR fortran/85981
572 * resolve.c (resolve_allocate_deallocate): Check errmsg is default
573 character kind.
574
575 2018-06-03 Paul Thomas <pault@gcc.gnu.org>
576
577 PR fortran/36497
578 * decl.c (variable_decl): Use gfc_add_type for cray pointees.
579
580 2018-06-01 Steven G. Kargl <kargl@gcc.gnu.org>
581
582 PR fortran/63570
583 * check.c (gfc_check_random_init): New function. Check arguments of
584 RANDOM_INIT.
585 * gfortran.h (GFC_ISYM_RANDOM_INIT): New enum token.
586 * intrinsic.c (add_subroutines): Add RANDOM_INIT to list of
587 subroutines.
588 (gfc_check_intrinsic_standard): Introduce Fortran 2018 check.
589 * intrinsic.h: Add prototypes for gfc_check_random_init and
590 gfc_resolve_random_init
591 * intrinsic.texi: Document new intrinsic subprogram.
592 * iresolve.c (gfc_resolve_random_init): Resolve routine name.
593 * trans-decl.c: Declare gfor_fndecl_random_init
594 * trans-intrinsic.c (conv_intrinsic_random_init): New function.
595 Translate call to RANDOM_INIT.
596 (gfc_conv_intrinsic_subroutine): Call it.
597 * trans.h: Declare gfor_fndecl_random_init
598
599 2018-05-27 Steven G. Kargl <kargl@gcc.gnu.org>
600
601 * decl.c (match_data_constant): Fortran 2018 allows pointer
602 initialization in a data statement.
603
604 2018-05-25 Janus Weil <janus@gcc.gnu.org>
605
606 PR fortran/85839
607 * match.c (gfc_match_block_data): Call gfc_notify_std to warn about
608 an obsolescent feature in Fortran 2018.
609 (gfc_match_equivalence): Ditto.
610 * resolve.c (resolve_common_blocks): Ditto.
611 (gfc_resolve_forall): Ditto.
612 * symbol.c (gfc_define_st_label): Ditto.
613
614 2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org>
615
616 PR fortran/85543
617 * resolve.c (update_current_proc_array_outer_dependency): Avoid NULL
618 pointer dereference.
619
620 2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org>
621
622 PR fortran/85780
623 * resolve.c (resolve_fl_procedure): Avoid NULL dereference.
624
625 2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org>
626
627 PR fortran/85779
628 * decl.c (gfc_match_derived_decl): Fix NULL point dereference.
629
630 2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org>
631
632 PR fortran/85895
633 * resolve.c (resolve_sync): Resolve expression before checking for
634 an error.
635
636 2018-05-22 Janus Weil <janus@gcc.gnu.org>
637
638 PR fortran/85841
639 * libgfortran.h: Remove the macros GFC_STD_F2008_TS and
640 GFC_STD_OPT_F08TS.
641 * error.c (notify_std_msg): Remove GFC_STD_F2008_TS.
642 * options.c (set_default_std_flags): Ditto.
643 (gfc_handle_option): Make -std=f2008ts an alias for -std=f2018.
644 * array.c (gfc_match_array_spec): Replace GFC_STD_F2008_TS by
645 GFC_STD_F2018.
646 * check.c (gfc_check_atomic, gfc_check_event_query,
647 gfc_check_c_f_pointer, gfc_check_c_f_procpointer, gfc_check_c_funloc,
648 gfc_check_c_loc, gfc_check_num_images, gfc_check_this_image): Ditto.
649 * decl.c (gfc_verify_c_interop_param, gfc_match_decl_type_spec): Ditto.
650 * intrinsic.c (add_functions, add_subroutines,
651 gfc_check_intrinsic_standard): Ditto.
652 * iso-c-binding.def: Ditto.
653 * iso-fortran-env.def: Ditto.
654 * match.c (gfc_match_event_post, gfc_match_event_wait,
655 gfc_match_fail_image, gfc_match_form_team, gfc_match_change_team,
656 gfc_match_end_team, gfc_match_sync_team): Ditto.
657 * gfortran.texi: Remove mention of -std=f2008ts.
658 Move TSs into F2018 section.
659 * invoke.texi: Update documentation of -std=f2008ts.
660
661 2018-05-21 Janus Weil <janus@gcc.gnu.org>
662
663 PR fortran/85841
664 * libgfortran.h: New macros GFC_STD_OPT_*.
665 * error.c (notify_std_msg): New function.
666 (gfc_notify_std): Adjust such that it can handle combinations of
667 GFC_STD_* flags in the 'std' argument, not just a single one.
668 * match.c (match_arithmetic_if, gfc_match_if): Reject arithmetic if
669 in Fortran 2018.
670 (gfc_match_stopcode): Use GFC_STD_OPT_* macros.
671 * options.c (set_default_std_flags): Warn for F2018 deleted features
672 by default.
673 (gfc_handle_option): F2018 deleted features are allowed in earlier
674 standards.
675 * symbol.c (gfc_define_st_label, gfc_reference_st_label): Reject
676 nonblock do constructs in Fortran 2018.
677
678 2018-05-20 Paul Thomas <pault@gcc.gnu.org>
679
680 PR fortran/80657
681 * resolve.c (flag_fn_result_spec): Use the 'sym' argument to
682 test for self refs to the function result in the character len
683 expression. If a self reference is found, emit an error and
684 return true.
685 (resolve_fntype): Use the function symbol in the calls to the
686 above.
687
688 2018-05-20 Paul Thomas <pault@gcc.gnu.org>
689
690 PR fortran/49636
691 * trans-array.c (gfc_get_array_span): Renamed from
692 'get_array_span'.
693 (gfc_conv_expr_descriptor): Change references to above.
694 * trans-array.h : Add prototype for 'gfc_get_array_span'.
695 * trans-intrinsic.c (gfc_conv_associated): Add pre and post
696 blocks for 'arg1'.
697 * trans-stmt.c (trans_associate_var): If the associate name is
698 a subref array pointer, use gfc_get_array_span for the span.
699
700 2018-05-20 Paul Thomas <pault@gcc.gnu.org>
701
702 PR fortran/82275
703 * match.c (gfc_match_type_spec): Go through the array ref and
704 decrement 'rank' for every dimension that is an element.
705
706 2018-05-19 Paul Thomas <pault@gcc.gnu.org>
707
708 PR fortran/82923
709 PR fortran/66694
710 PR fortran/82617
711 * trans-array.c (gfc_alloc_allocatable_for_assignment): Set the
712 charlen backend_decl of the rhs expr to ss->info->string_length
713 so that the value in the current scope is used.
714
715 2018-05-13 Steven G. Kargl <kargl@gcc.gnu.org>
716
717 PR fortran/63529
718 * gfortran.texi: Clarify documentation for Cray pointer and
719 assumed-sized array.
720
721 2018-05-13 Paul Thomas <pault@gcc.gnu.org>
722
723 PR fortran/85742
724 * trans-types.c (gfc_get_dtype_rank_type): Reorder evaluation
725 of 'size'. If the element type is a pointer use the size of the
726 TREE_TYPE of the type, unless it is VOID_TYPE. In this latter
727 case, set the size to zero.
728
729 2018-05-13 Steven G. Kargl <kargl@gcc.gnu.org>
730
731 * gfortran.h: Remove prototype.
732 * symbol.c (gfc_new_undo_checkpoint): Remove unused function.
733
734 2018-05-11 Steven G. Kargl <kargl@gcc.gnu.org>
735
736 PR fortran/85542
737 * expr.c (check_inquiry): Avoid NULL pointer dereference.
738
739 2018-05-10 Steven G. Kargl <kargl@gcc.gnu.org>
740
741 PR fortran/85687
742 * check.c (gfc_check_rank): Check that the argument is a data object.
743
744 2018-05-10 Steven G. Kargl <kargl@gcc.gnu.org>
745
746 PR fortran/85521
747 * array.c (gfc_resolve_character_array_constructor): Substrings
748 with upper bound smaller than lower bound are zero length strings.
749
750 2018-05-10 Steven G. Kargl <kargl@gcc.gnu.org>
751
752 PR fortran/70870
753 * data.c (gfc_assign_data_value): Check that a data object does
754 not also have default initialization.
755
756 2018-05-10 Marek Polacek <polacek@redhat.com>
757
758 PR fortran/85735
759 * options.c (gfc_post_options): Set main_input_filename.
760
761 2018-05-10 Thomas Koenig <tkoenig@gcc.gnu.org>
762
763 PR fortran/54613
764 * intrinsic.texi: Document BACK for MINLOC and MAXLOC.
765
766 2018-05-10 Paul Thomas <pault@gcc.gnu.org>
767
768 PR fortran/68846
769 PR fortran/70864
770 * resolve.c (get_temp_from_expr): The temporary must not have
771 dummy or intent attributes.
772
773 2018-05-08 Thomas Koenig <tkoenig@gcc.gnu.org>
774
775 PR fortran/54613
776 * check.c (gfc_check_minmaxloc): Remove error for BACK not being
777 implemented. Use gfc_logical_4_kind for BACK.
778 * simplify.c (min_max_choose): Add optional argument back_val.
779 Handle it.
780 (simplify_minmaxloc_to_scalar): Add argument back_val. Pass
781 back_val to min_max_choose.
782 (simplify_minmaxloc_to_nodim): Likewise.
783 (simplify_minmaxloc_to_array): Likewise.
784 (gfc_simplify_minmaxloc): Add argument back, handle it.
785 Pass back_val to specific simplification functions.
786 (gfc_simplify_minloc): Remove ATTRIBUTE_UNUSED from argument back,
787 pass it on to gfc_simplify_minmaxloc.
788 (gfc_simplify_maxloc): Likewise.
789 * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Adjust
790 comment. If BACK is true, use greater or equal (or lesser or
791 equal) insteal of greater (or lesser). Mark the condition of
792 having found a value which exceeds the limit as unlikely.
793
794 2018-05-07 Jeff Law <law@redhat.comg>
795
796 * scanner.c (preprocessor_line): Call linemap_add after a line
797 directive that changes the current filename.
798
799 2018-05-06 Andre Vehreschild <vehre@gcc.gnu.org>
800
801 PR fortran/85507
802 * dependency.c (gfc_dep_resolver): Revert looking at coarray dimension
803 introduced by r259385.
804 * trans-intrinsic.c (conv_caf_send): Always report a dependency for
805 same variables in coarray assignments.
806
807 2018-05-02 Tom de Vries <tom@codesourcery.com>
808
809 PR libgomp/82428
810 * f95-lang.c (DEF_GOACC_BUILTIN_ONLY): Define.
811
812 2018-04-24 Steven G. Kargl <kargl@gcc.gnu.org>
813
814 PR fortran/85520
815 * decl.c (gfc_match_char_spec): Check for negative length and set to 0.
816
817 2018-04-14 Andre Vehreschild <vehre@gcc.gnu.org>
818
819 PR fortran/81773
820 PR fortran/83606
821 * dependency.c (gfc_dep_resolver): Coarray indexes are to be ignored
822 during dependency computation. They define no data dependency.
823 * trans-array.c (conv_array_index_offset): The stride can not be set
824 here, prevent fail.
825 * trans-intrinsic.c (conv_caf_send): Add creation of temporary array
826 for caf_get's result and copying to the array with vectorial
827 indexing.
828
829 2018-04-14 Thomas Koenig <tkoenig@gcc.gnu.org>
830
831 PR fortran/85387
832 * frontend-passes.c (traverse_io_block): Check for start, end or
833 stride being defined by an outer implied DO loop.
834
835 2018-04-12 Thomas Koenig <tkoenig@gcc.gnu.org>
836
837 PR fortran/83064
838 PR testsuite/85346
839 * trans-stmt.c (gfc_trans_forall_loop): Use annot_expr_ivdep_kind
840 for annotation and remove dependence on -ftree-parallelize-loops.
841
842 2018-04-10 Jakub Jelinek <jakub@redhat.com>
843
844 PR fortran/85313
845 * openmp.c (resolve_omp_do): Remove bogus if (j < i) break;.
846 (resolve_oacc_nested_loops): Likewise. Formatting fix.
847
848 2018-04-09 Thomas Koenig <tkoenig@gcc.gnu.org>
849
850 PR fortran/83064
851 * trans-stmt.c (gfc_trans_forall_loop): Remove annotation for
852 parallell processing of DO CONCURRENT -ftree-parallelize-loops
853 is set.
854
855 2018-04-09 Thomas Koenig <tkoenig@gcc.gnu.org>
856
857 PR fortran/51260
858 * resolve.c (resolve_variable): Simplify cases where access to a
859 parameter array results in a single constant.
860
861 2018-04-02 Thomas Koenig <tkoenig@gcc.gnu.org>
862
863 PR fortran/85102
864 * decl.c (variable_decl): If upper or lower bounds simplify
865 to a constant, use that.
866
867 2018-03-30 Paul Thomas <pault@gcc.gnu.org>
868
869 PR fortran/84931
870 * simplify.c (gfc_convert_constant): Handle case of array
871 constructors within an array that has no iterator and improve
872 the conciseness of this section of code.
873
874 2017-03-30 Thomas Koenig <tkoenig@gcc.gnu.org>
875
876 PR fortran/85111
877 * array.c (gfc_resolve_character_array_constructor): Early
878 exit for zero-size arrays.
879 * simplify.c (simplify_transformation_to_array): Exit early
880 if the result size is zero.
881 (simplify_minmaxloc_to_array): Likewise.
882
883 2018-03-28 Mikael Morin <mikael@gcc.gnu.org>
884
885 PR fortran/69497
886 * symbol.c (gfc_symbol_done_2): Start freeing namespaces
887 from the root.
888 (gfc_free_namespace): Restore assert (revert r258839).
889
890 2018-03-28 Jakub Jelinek <jakub@redhat.com>
891
892 * gfortran.h (gfc_dt): Rename default_exp field to dec_ext.
893 * ioparm.def (IOPARM_dt_default_exp): Rename to ...
894 (IOPARM_dt_dec_ext): ... this.
895 * trans-io.c (build_dt): Adjust for default_exp renaming to
896 dec_ext and IOPARM_dt_default_exp renaming to IOPARM_dt_dec_ext.
897 * io.c (match_io): Likewise.
898
899 2018-03-27 Thomas Koenig <tkoenig@gcc.gnu.org>
900
901 PR fortran/85084
902 * frontend-passes.c (gfc_run_passes): Do not run front-end
903 optimizations if a previous error occurred.
904
905 2018-03-27 Thomas Koenig <tkoenig@gcc.gnu.org>
906 Harald Anlauf <anlauf@gmx.de>
907
908 PR fortran/85083
909 * primary.c (gfc_convert_to_structure_constructor): Check
910 conformance of argument types in structure constructor.
911
912 2018-03-26 Thomas Koenig <tkoenig@gcc.gnu.org>
913
914 PR fortran/66709
915 * io.c: Include constructor.h.
916 (resolve_tag_format): For a constant character array, concatenate
917 into a single character expression.
918
919 2018-03-25 Seth Johnson <johnsonsr@ornl.gov>
920 Dominique d'Humieres <dominiq@gcc.gnu.org>
921
922 PR fortran/84924
923 * check.c (gfc_check_c_f_pointer): Allow scalar noninteroperable
924 scalar derived type with -std=f2003 and -std=f2008.
925
926 2018-03-24 Jerry DeLisle <jvdelisle@gcc.gnu.org>
927 Dominique d'Humieres <dominiq@gcc.gnu.org>
928
929 PR fortran/69497
930 * symbol.c (gfc_free_namespace): Delete the assert and only if
931 refs count is equals zero, free the namespace. Otherwise,
932 something is halfway and other errors will resound.
933
934 2018-03-24 Thomas Koenig <tkoenig@gcc.gnu.org>
935
936 PR fortran/70068
937 * expr.c (find_substring_ref): Change types of start, end
938 and length variables to gfc_charlen_t. Set length to zero
939 for empty substring.
940
941 2018-03-24 Steven G. Kargl <kargl@gcc.gnu.org>
942
943 PR fortran/42651
944 * decl.c (check_function_name): Improved error message
945 (gfc_match_volatile, gfc_match_asynchronous) Use check_function_name.
946
947 2018-03-22 Steven G. Kargl <kargl@gcc.gnu.org>
948
949 PR fortran/84922
950 * decl.c (get_proc_name): If the MODULE prefix appears in interface
951 body, then it must appear on the contained subroutine or function.
952 While here, fix nearby mis-indented code.
953
954 2018-03-21 Thomas Koenig <tkoenig@gcc.gnu.org>
955 Harald Anlauf <anlauf@gmx.de>
956
957 PR fortran/84957
958 * trans-types.c (gfc_sym_type): Do not dereference NULL pointer.
959
960 2018-03-21 Janne Blomqvist <jb@gcc.gnu.org>
961
962 PR fortran/84615
963 * trans-expr.c (gfc_conv_procedure_call): Convert charlen to
964 gfc_charlen_type_node when calling procedure.
965
966 2018-03-20 Steven G. Kargl <kargl@gcc.gnu.org>
967
968 PR fortran/85001
969 * interface.c (symbol_rank): Remove bogus null pointer check that
970 crept in when translating a ternary operator into an if-else
971 constructor.
972
973 2018-03-19 Thomas Koenig <tkoenig@gcc.gnu.org>
974
975 PR fortran/84931
976 * simplify.c (gfc_convert_constant): Correctly handle iterators
977 for type conversion.
978
979 2018-03-18 Steven G. Kargl <kargl@gcc.gnu.org>
980
981 PR fortran/77414
982 * decl.c (get_proc_name): Check for a subroutine re-defined in
983 the contain portion of a subroutine. Change language of existing
984 error message to better describe the issue. While here fix whitespace
985 issues.
986
987 2018-03-18 Steven G. Kargl <kargl@gcc.gnu.org>
988
989 PR fortran/65453
990 * decl.c (get_proc_name): Catch clash between a procedure statement
991 and a contained subprogram
992
993 2018-03-16 Steven G. Kargl <kargl@gcc.gnu.org>
994
995 PR fortran/69395
996 * decl.c (merge_array_spec): Correct the error condition.
997
998 2018-03-15 Steven G. Kargl <kargl@gcc.gnu.org>
999
1000 PR fortran/78741
1001 * decl.c (get_proc_name): Check for clash of entry name with
1002 subroutine name.
1003
1004 2018-03-15 Steven G. Kargl <kargl@gcc.gnu.org>
1005
1006 PR fortran/69395
1007 * decl.c (merge_array_spec): Limit the merging to maximum allowed
1008 dimensions, and issue error message if limit is exceeded.
1009
1010 2018-03-13 Steven G. Kargl <kargl@gcc.gnu.org>
1011
1012 * check.c (gfc_check_kill_sub): Remove check for INTEGER(4) or (8).
1013 * intrinsic.c (add_functions): Remove reference to gfc_resolve_kill.
1014 (add_subroutines): Remove reference to gfc_resolve_kill_sub.
1015 * intrinsic.texi: Update documentation.
1016 * iresolve.c (gfc_resolve_kill, gfc_resolve_kill_sub): Remove.
1017 * trans-decl.c (gfc_build_intrinsic_function_decls): Add
1018 gfor_fndecl_kill and gfor_fndecl_kill_sub
1019 * trans-intrinsic.c (conv_intrinsic_kill, conv_intrinsic_kill_sub): new
1020 functions.
1021 (gfc_conv_intrinsic_function): Use conv_intrinsic_kill.
1022 (gfc_conv_intrinsic_subroutine): Use conv_intrinsic_kill_sub.
1023 * trans.h: Declare gfor_fndecl_kill and gfor_fndecl_kill_sub.
1024
1025 2018-03-11 Paul Thomas <pault@gcc.gnu.org>
1026
1027 PR fortran/84546
1028 * trans-array.c (structure_alloc_comps): Make sure that the
1029 vptr is copied and that the unlimited polymorphic _len is used
1030 to compute the size to be allocated.
1031 * trans-expr.c (gfc_get_class_array_ref): If unlimited, use the
1032 unlimited polymorphic _len for the offset to the element.
1033 (gfc_copy_class_to_class): Set the new 'unlimited' argument.
1034 * trans.h : Add the boolean 'unlimited' to the prototype.
1035
1036 2018-03-11 Steven G. Kargl <kargl@gcc.gnu.org>
1037
1038 PR fortran/83939
1039 * resolve.c (resolve_fl_procedure): Enforce F2018:C15100.
1040
1041 2018-03-11 Steven G. Kargl <kargls@gcc.gnu.org>
1042
1043 * check.c (gfc_check_kill): Check pid and sig are scalar.
1044 (gfc_check_kill_sub): Restrict kind to 4 and 8.
1045 * intrinsic.c (add_function): Sort keyword list. Add pid and sig
1046 keywords for KILL. Remove redundant *back="back" in favor of the
1047 original *bck="back".
1048 (add_subroutines): Sort keyword list. Add pid and sig keywords
1049 for KILL.
1050 * intrinsic.texi: Fix documentation to consistently use pid and sig.
1051 * iresolve.c (gfc_resolve_kill): Kind can only be 4 or 8. Choose the
1052 correct function.
1053 (gfc_resolve_rename_sub): Add comment.
1054
1055 2018-03-11 Thomas Koenig <tkoenig@gcc.gnu.org>
1056
1057 PR fortran/66128
1058 * simplify.c (simplify_transformation): Return default result for
1059 empty array argument.
1060 (gfc_simplify_all): Remove special-case handling for zerosize.
1061 (gfc_simplify_any): Likewise.
1062 (gfc_simplify_count): Likewise.
1063 (gfc_simplify_iall): Likewise.
1064 (gfc_simplify_iany): Likewise.
1065 (gfc_simplify_iparity): Likewise.
1066 (gfc_simplify_minval): Likewise.
1067 (gfc_simplify_maxval): Likewise.
1068 (gfc_simplify_norm2): Likewise.
1069 (gfc_simplify_product): Likewise.
1070 (gfc_simplify_sum): Likewise.
1071
1072 2018-03-10 Steven G. Kargl <kargl@gcc.gnu.org>
1073
1074 PR fortran/84734
1075 * arith.c (check_result, eval_intrinsic): If result overflows, pass
1076 the expression up the chain instead of a NULL pointer.
1077
1078 2018-03-07 Steven G. Kargl <kargl@gcc.gnu.org>
1079
1080 PR fortran/64124
1081 PR fortran/70409
1082 * decl.c (gfc_match_char_spec): Try to reduce a charlen to a constant.
1083
1084 2017-03-06 Thomas Koenig <tkoenig@gcc.gnu.org>
1085
1086 PR fortran/84697
1087 PR fortran/66128
1088 * expr.c (simplify_parameter_variable): If p is a size zero array
1089 and not an ARRAY_EXPR insert an empty array constructor and
1090 return.
1091 * gfortran.h: Add prototype for gfc_is_size_zero_array.
1092 * simplify.c (is_size_zero_array): Make non-static and rename into
1093 (gfc_is_size_zero_array): Check for parameter arrays of zero
1094 size by comparing shape and absence of constructor.
1095 (gfc_simplify_all): Use gfc_is_size_zero_array instead of
1096 is_size_zero_array.
1097 (gfc_simplify_count): Likewise.
1098 (gfc_simplify_iall): Likewise.
1099 (gfc_simplify_iany): Likewise.
1100 (gfc_simplify_iparity): Likewise.
1101 (gfc_simplify_minval): Likewise.
1102 (gfc_simplify_maxval): Likewise.
1103 (gfc_simplify_product): Likewise.
1104 (gfc_simplify_sum): Likewise.
1105
1106 2018-03-06 Steven G. Kargl <kargl@gcc.gnu.org>
1107
1108 PR fortran/56667
1109 * primary.c (match_sym_complex_part): Give the matcher for an implied
1110 do-loop a chance to run.
1111
1112 2018-03-03 Harald Anlauf <anlauf@gmx.de>
1113
1114 PR fortran/71085
1115 * trans-expr.c (gfc_apply_interface_mapping_to_expr): Do not
1116 dereference NULL pointer.
1117
1118 2018-03-03 Steven G. Kargl <kargl@gcc.gnu.org>
1119
1120 PR fortran/66128
1121 * simplify.c (is_size_zero_array): New function to check for size
1122 zero array.
1123 (gfc_simplify_all, gfc_simplify_any, gfc_simplify_count,
1124 gfc_simplify_iall, gfc_simplify_iany, gfc_simplify_iparity,
1125 gfc_simplify_minval, gfc_simplify_maxval, gfc_simplify_norm2,
1126 gfc_simplify_product, gfc_simplify_sum): Use it, and implement
1127 requirements from F2018.
1128
1129 2018-03-03 Steven G. Kargl <kargl@gcc.gnu.org>
1130
1131 PR fortran/51434
1132 * simplify.c (gfc_simplify_transfer): Resolve mold.
1133
1134 2018-03-03 Paul Thomas <pault@gcc.gnu.org>
1135
1136 PR fortran/80965
1137 * resolve.c (build_loc_call): Change symtree name from 'loc' to
1138 '_loc'.
1139
1140 2018-03-01 Paul Thomas <pault@gcc.gnu.org>
1141
1142 PR fortran/84219
1143 * target-memory.c (gfc_interpret_derived): Assert that BT_VOID
1144 components are caf tokens.
1145 (gfc_target_interpret_expr): Treat BT_VOID expressions as
1146 integers.
1147
1148 2018-03-01 Paul Thomas <pault@gcc.gnu.org>
1149
1150 PR fortran/84538
1151 * class.c (class_array_ref_detected): Remove the condition that
1152 there be no reference after the array reference.
1153 (find_intrinsic_vtab): Remove excess whitespace.
1154 * trans-array.c (gfc_conv_scalarized_array_ref): Rename 'tmp'
1155 as 'base and call build_class_array_ref earlier.
1156
1157 2018-02-28 Paul Thomas <pault@gcc.gnu.org>
1158
1159 PR fortran/83901
1160 * trans-stmt.c (trans_associate_var): Make sure that the se
1161 expression is a pointer type before converting it to the symbol
1162 backend_decl type.
1163
1164 2018-02-25 Steven G. Kargl <kargl@gcc.gnu.org>
1165
1166 PR fortran/83633
1167 * decl.c (variable_decl): Check that an explicit-shape-array with
1168 nonconstant bounds is allowed.
1169
1170 2018-02-25 Paul Thomas <pault@gcc.gnu.org>
1171
1172 PR fortran/84523
1173 * trans-intrinsic.c (gfc_conv_allocated): If the argument se
1174 has a pre block, add it to the expression pre block.
1175
1176 2018-02-25 Thomas Koenig <tkoenig@gcc.gnu.org>
1177
1178 PR fortran/78238
1179 * gfortran.h (gfc_integer_4_kind): Define.
1180 * resolve.c (resolve_select_type): Make sure that the
1181 kind of c->high is gfc_integer_4_kind.
1182
1183 2018-02-24 Steven G. Kargl <kargl@gcc.gnu.org>
1184
1185 PR fortran/30792
1186 * decl.c (gfc_match_data): Check for invalid substring in
1187 data-implied-do
1188
1189 2018-02-23 Steven G. Kargl <kargl@gcc.gnu.org>
1190
1191 * intrinsic.texi: Arguments to MATMUL cannot both be rank one.
1192
1193 2018-02-23 Steven G. Kargl <kargl@gcc.gnu.org>
1194
1195 PR fortran/84511
1196 * trans-io.c (transfer_expr): Deal with C_LOC in transfer statement.
1197
1198 2018-02-23 Steven G. Kargl <kargl@gcc.gnu.org>
1199
1200 PR fortran/84346
1201 * interface.c (compare_actual_formal): Issue error if keyword is
1202 used in a statement function.
1203
1204 2018-02-23 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1205
1206 PR fortran/84506
1207 * trans-io.c (set_parameter_value_inquire): Adjust range check of
1208 negative unit values for kind=8 units to the kind=4 negative limit.
1209
1210 2018-02-23 Paul Thomas <pault@gcc.gnu.org>
1211
1212 PR fortran/83149
1213 * trans-types.c (gfc_sym_type): Test sym->ns->proc_name before
1214 accessing its components.
1215
1216 2018-02-23 Paul Thomas <pault@gcc.gnu.org>
1217
1218 PR fortran/83149
1219 * trans-decl.c (gfc_finish_var_decl): Test sym->ns->proc_name
1220 before accessing its components.
1221
1222 2018-02-23 Paul Thomas <pault@gcc.gnu.org>
1223
1224 PR fortran/83148
1225 * trans-const.c : Clean up some whitespace issues.
1226 * trans-expr.c (gfc_conv_initializer): If an iso_c_binding
1227 derived type has a kind value of zero, set it to the default
1228 integer kind.
1229
1230 2018-02-23 Janne Blomqvist <jb@gcc.gnu.org>
1231
1232 PR fortran/84519
1233 * trans-decl.c (gfc_build_builtin_function_decls): Add bool
1234 argument to stop and error stop decls.
1235 * trans-stmt.c (gfc_trans_stop): Add false value to argument
1236 lists.
1237
1238 2018-02-22 Janne Blomqvist <jb@gcc.gnu.org>
1239
1240 PR 78534
1241 PR 84509
1242 * trans-decl.c (gfc_build_builtin_function_decls): Pass
1243 gfc_int8_type node to pause_numeric, size_type_node to
1244 pause_string.
1245 * trans-stmt.c (gfc_trans_pause): Likewise.
1246
1247 2018-02-22 Janne Blomqvist <jb@gcc.gnu.org>
1248
1249 * gfortran.texi: Update Coarray API description.
1250 * trans-decl.c (gfc_build_builtin_function_decls): Use size_t for
1251 character lengths, int for exit codes.
1252 (generate_coarray_sym_init): Use size_t for character length.
1253 * trans-intrinsic.c (conv_co_collective): Likewise.
1254 * trans-stmt.c (gfc_trans_lock_unlock): Likewise.
1255 (gfc_trans_event_post_wait): Likewise.
1256 (gfc_trans_sync): Likewise.
1257 (gfc_trans_stop): Use size_t for character lengths, int for exit
1258 codes.
1259
1260 2018-02-20 Thomas Koenig <tkoenig@gcc.gnu.org>
1261
1262 PR fortran/48890
1263 PR fortran/83823
1264 * primary.c (gfc_convert_to_structure_constructor):
1265 For a constant string constructor, make sure the length
1266 is correct.
1267
1268 2018-02-19 Paul Thomas <pault@gcc.gnu.org>
1269
1270 PR fortran/83344
1271 PR fortran/83975
1272 * resolve.c (resolve_assoc_var): Rearrange the logic for the
1273 determination of the character length of associate names. If
1274 the associate name is missing a length expression or the length
1275 expression is not a constant and the target is not a variable,
1276 make the associate name allocatable and deferred length.
1277 * trans-decl.c (gfc_get_symbol_decl): Null the character length
1278 backend_decl for deferred length associate names that are not
1279 variables. Set 'length' to gfc_index_zero_node for character
1280 associate names, whose character length is a PARM_DECL.
1281
1282 2018-02-19 Thomas Koenig <tkoenig@gcc.gnu.org>
1283
1284 PR fortran/35339
1285 * frontend-passes.c (traverse_io_block): Remove workaround for
1286 PR 80945.
1287
1288 2018-02-19 Andre Vehreschild <vehre@gcc.gnu.org>
1289
1290 * gfortran.texi: Document additional src/dst_type. Fix some typos.
1291 * trans-decl.c (gfc_build_builtin_function_decls): Declare the new
1292 argument of _caf_*_by_ref () with * e { get, send, sendget }.
1293 * trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Add the type of the
1294 data referenced when generating a call to caf_get_by_ref ().
1295 (conv_caf_send): Same but for caf_send_by_ref () and
1296 caf_sendget_by_ref ().
1297
1298 2018-02-18 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1299
1300 PR fortran/84389
1301 * io.c (check_format): Allow FMT_COLON.
1302
1303 2018-02-18 Paul Thomas <pault@gcc.gnu.org>
1304
1305 PR fortran/80945
1306 * trans-array.c (gfc_conv_expr_descriptor): Set parmtype from
1307 the typenode in the case of deferred length characters.
1308
1309 2018-02-17 Thomas Koenig <tkoenig@gcc.gnu.org>
1310
1311 PR fortran/84270
1312 * frontend-passes (scalarized_expr): If the expression
1313 is an assumed size array, leave in the last reference
1314 and pass AR_SECTION instead of AR_FULL to gfc_resolve
1315 in order to avoid an error.
1316
1317 2018-02-17 Paul Thomas <pault@gcc.gnu.org>
1318
1319 PR fortran/84115
1320 * resolve.c (resolve_assoc_var): If a non-constant target expr.
1321 has no string length expression, make the associate variable
1322 into a deferred length, allocatable symbol.
1323 * trans-decl.c (gfc_is_reallocatable_lhs): Add and use a ptr to
1324 the symbol.
1325 * trans-stmt.c (trans_associate_var): Null and free scalar
1326 associate names that are allocatable. After assignment, remove
1327 the allocatable attribute to prevent reallocation.
1328
1329 2018-02-16 Jakub Jelinek <jakub@redhat.com>
1330
1331 PR fortran/84418
1332 * trans-openmp.c (gfc_trans_omp_clauses): For OMP_CLAUSE_LINEAR_REF
1333 kind set OMP_CLAUSE_LINEAR_STEP to TYPE_SIZE_UNIT times last_step.
1334
1335 2018-02-16 Dominique d'Humieres <dominiq@gcc.gnu.org>
1336
1337 PR fortran/84354
1338 * decl.c (gfc_get_pdt_instance): Replace '%qs' with %qs.
1339
1340 2018-02-15 Janus Weil <janus@gcc.gnu.org>
1341
1342 PR fortran/84409
1343 * interface.c (check_dtio_arg_TKR_intent): Add a check for character
1344 length.
1345
1346 2018-02-14 Janus Weil <janus@gcc.gnu.org>
1347
1348 PR fortran/84385
1349 * match.c (gfc_match_select_type): Fix check for selector in
1350 SELECT TYPE statement.
1351
1352 2018-02-13 Janus Weil <janus@gcc.gnu.org>
1353
1354 PR fortran/84313
1355 * symbol.c (check_conflict): Reject procedure pointers in common blocks.
1356
1357 2018-02-13 Alastair McKinstry <alastair.mckinstry@sceal.ie>
1358 Janne Blomqvist <jb@gcc.gnu.org>
1359
1360 * module.c (dump_module): Use lbasename to ensure that module
1361 files are reproducible.
1362
1363 2018-02-12 Janus Weil <janus@gcc.gnu.org>
1364
1365 PR fortran/84273
1366 * resolve.c (resolve_component): Fix checks of passed argument in
1367 procedure-pointer components.
1368
1369 2018-02-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1370
1371 PR fortran/35299
1372 * resolve.c (resolve_formal_arglist): Update error message.
1373
1374 2018-02-11 Andre Vehreschild <vehre@gcc.gnu.org>
1375
1376 * gfortran.texi: Fix typos in documentation of caf_register ().
1377 * trans-array.c (structure_alloc_comps): Only register a component of
1378 a derived typed corray, not of an ultimate component coarray.
1379
1380 2018-02-11 Steven G. Kargl <kargl@gcc.gnu.org>
1381
1382 PR fortran/54223
1383 PR fortran/84276
1384 * interface.c (compare_actual_formal): Add in_statement_function
1385 bool parameter. Skip check of INTENT attribute for statement
1386 functions. Arguments to a statement function cannot be optional,
1387 issue error for missing argument.
1388 (gfc_procedure_use, gfc_ppc_use, gfc_arglist_matches_symbol): Use
1389 in_statement_function.
1390
1391 2018-02-11 Paul Thomas <pault@gcc.gnu.org>
1392
1393 PR fortran/84074
1394 * trans-expr.c (gfc_conv_derived_to_class): Set the use_offset
1395 flag. If the is a vector subscript or the expression is not a
1396 variable, make the descriptor one-based.
1397
1398 2018-02-10 Paul Thomas <pault@gcc.gnu.org>
1399
1400 PR fortran/84141
1401 PR fortran/84155
1402 * trans-array.c (gfc_array_init_size): Revert the change made
1403 in revision 257356 setting the dtype.
1404 * trans-types.c (gfc_get_dtype): Do not use the cached dtype.
1405 Call gfc_get_dtype_rank_type every time.
1406
1407 PR fortran/56691
1408 * trans-array.c (gfc_conv_expr_descriptor): If the source array
1409 is a descriptor type, use its offset, removing the condition
1410 that is be a class expression.
1411
1412 2018-02-07 Steven G. Kargl <kargl@gcc.gnu.org>
1413
1414 PR fortran/82994
1415 * match.c (gfc_match_deallocate): Check for NULL pointer.
1416
1417 2018-02-07 Thomas Koenig <tkoenig@gcc.gnu.org>
1418
1419 PR fortran/68560
1420 * trans-intrinsic.c (gfc_conv_intrinsic_shape): New function.
1421 (gfc_conv_intrinsic_function): Call it.
1422
1423 2018-02-07 Steven G. Kargl <kargl@gcc.gnu.org>
1424
1425 PR fortran/82049
1426 * match.c (gfc_match_type_spec): If the charlen is non-NULL, then
1427 try to resolve it. While here return early if possible.
1428
1429 2018-02-04 Paul Thomas <pault@gcc.gnu.org>
1430
1431 PR fortran/84115
1432 * trans-decl.c (gfc_get_symbol_decl): Do not finish the decl of
1433 'length' if the symbol charlen backend_decl is an indirect ref.
1434
1435 2018-02-03 Paul Thomas <pault@gcc.gnu.org>
1436
1437 PR fortran/84141
1438 PR fortran/84155
1439 * trans-array.c (gfc_array_init_size): Instead of gfc_get_dtype
1440 use gfc_get_dtype_rank_type.
1441
1442 2018-02-01 Janne Blomqvist <jb@gcc.gnu.org>
1443
1444 PR 83975
1445 PR 83344
1446 * resolve.c (resolve_assoc_var): Generate an error if
1447 target length unknown.
1448
1449 2018-02-01 Janne Blomqvist <jb@gcc.gnu.org>
1450
1451 PR fortran/83705
1452 * simplify.c (gfc_simplify_repeat): Increase limit for deferring
1453 to runtime, print a warning message.
1454
1455 2018-01-31 Jakub Jelinek <jakub@redhat.com>
1456
1457 PR fortran/84116
1458 * openmp.c (gfc_match_omp_clauses): If all the linear
1459 gfc_match_omp_variable_list calls failed, don't gfc_free_omp_namelist
1460 nor set *head = NULL. Formatting fixes.
1461
1462 2018-01-31 Paul Thomas <pault@gcc.gnu.org>
1463
1464 PR fortran/84088
1465 * trans-expr.c (gfc_conv_procedure_call): If the parm expr is
1466 an address expression passed to an assumed rank dummy, convert
1467 to an indirect reference.
1468
1469 2018-01-31 Thomas Koenig <tkoenig@gcc.gnu.org>
1470
1471 * dump-parse-tree.c (write_proc): Use sym_name (which may
1472 be sym->binding_label) instead of sym->name.
1473
1474 2018-01-31 Janne Blomqvist <jb@gcc.gnu.org>
1475
1476 * trans-const.c (gfc_conv_string_init): Use gfc_charlen_t instead
1477 of int for slen.
1478
1479 2018-01-31 Janne Blomqvist <jb@gcc.gnu.org>
1480
1481 PR fortran/78534
1482 * trans-expr.c (fill_with_spaces): Use memset instead of
1483 generating loop.
1484 (gfc_trans_string_copy): Improve opportunity to use builtins with
1485 constant lengths.
1486
1487 2018-01-30 Jakub Jelinek <jakub@redhat.com>
1488
1489 PR debug/84131
1490 * trans-array.c (gfc_get_descriptor_offsets_for_info): Set *data_off
1491 to DATA_FIELD's offset rather than OFFSET_FIELD's offset.
1492
1493 2018-01-30 Thomas Koenig <tkoenig@gcc.gnu.org>
1494
1495 PR fortran/84134
1496 * array.c (gfc_ref_dimen_size): Whitespace fixes. If stride is
1497 zero, return false.
1498
1499 2018-01-30 Thomas Koenig <tkoenig@gcc.gnu.org>
1500
1501 PR fortran/84133
1502 * frontend-passes (matmul_to_var_expr): Return early if
1503 in association list.
1504 (inline_matmul_assign): Likewise.
1505
1506 2017-01-29 Thomas Koenig <tkoenig@gcc.gnu.org>
1507
1508 PR fortran/84073
1509 * resolve.c (resolve_component): Ensure BIND(C) character
1510 components have length one.
1511 (resolve_symbol): Likewise for variables.
1512
1513 2018-01-27 Jakub Jelinek <jakub@redhat.com>
1514
1515 PR fortran/84065
1516 * decl.c (add_init_expr_to_sym): Ignore initializers for too large
1517 lengths.
1518
1519 2018-01-26 Damian Rouson <damian@sourceryinstitute.org>
1520 Alessandro Fanfarillo <fanfarillo.gcc@gmail.com>
1521 Soren Rasmussen <s.c.rasmussen@gmail.com>
1522
1523 Partial support for Fortran 2018 teams features.
1524
1525 * array.c (gfc_match_array_ref): add team attribute in coarray
1526 transfers.
1527 * check.c (gfc_check_get_team, gfc_check_team_number): add new
1528 functions for get_team and team_number.
1529 * dump-parse-tree.c (show_code_node): add new statements: form team,
1530 change team, end team, and sync team.
1531 * expr.c (gfc_find_team_co): add new function.
1532 * gfortran.h: add new statements.
1533 * intrinsic.c (add_functions): add get_team and team_number functions.
1534 * intrinsic.h: add get_team and team_number prototypes for check,
1535 simplify, and resolve.
1536 * iresolve.c (gfc_resolve_get_team, gfc_resolve_team_number): add new
1537 functions.
1538 * iso-fortran-env.def: add the team_type derived type.
1539 * match.c (gfc_match_if, gfc_match_form_team, gfc_match_team_number)
1540 (gfc_match_end_team, gfc_match_sync_team, gfc_match_change_team):
1541 add change team, end team, form team, sync team match and functions.
1542 * match.h: add new prototypes for change team, end team, form team,
1543 and sync team.
1544 * parse.c (decode_statement): add cases for change team, end team,
1545 form team, and sync team.
1546 * resolve.c: add cases for exec form team, change team, end team, and
1547 sync team.
1548 * simplify.c (gfc_simplify_get_team): add new function for get team.
1549 * st.c (gfc_free_statement): add cases exec for change team, end team,
1550 form team, sync team.
1551 * trans-decl.c (gfor_fndecl_caf_form_team)
1552 (gfor_fndecl_caf_change_team, gfor_fndecl_caf_end_team)
1553 (gfor_fndecl_caf_sync_team, gfor_fndecl_caf_get_team)
1554 (gfor_fndecl_caf_team_number): add functions and definitions.
1555 * trans-intrinsic.c (conv_caf_send, conv_intrinsic_team_number): add
1556 new function and team_type argument support.
1557 * trans-stmt.c (gfc_trans_form_team, gfc_trans_change_team)
1558 (gfc_trans_end_team, gfc_trans_sync_team): add new functions.
1559 * trans-stmt.h: add new prototypes.
1560 * trans-types.c (gfc_get_derived_type): check condition for team_type.
1561 * trans.c (trans_code): new exec cases for form team, change team, end
1562 team, and sync team.
1563 * trans.h: add new prototypes.
1564
1565 2018-01-26 Steven G. Kargl <kargl@gcc.gnu.org>
1566
1567 PR fortran/83998
1568 * simplify.c (compute_dot_product): Initialize result to INTEGER(1) 0
1569 or .false. The summation does the correct type conversion.
1570 (gfc_simplify_dot_product): Special case zero-sized arrays.
1571
1572 2018-25-01 Paul Thomas <pault@gcc.gnu.org>
1573
1574 PR fortran/37577
1575 * array.c (gfc_match_array_ref): If standard earlier than F2008
1576 it is an error if the reference dimension is greater than 7.
1577 libgfortran.h : Increase GFC_MAX_DIMENSIONS to 15. Change the
1578 dtype masks and shifts accordingly.
1579 * trans-array.c (gfc_conv_descriptor_dtype): Use the dtype
1580 type node to check the field.
1581 (gfc_conv_descriptor_dtype): Access the rank field of dtype.
1582 (duplicate_allocatable_coarray): Access the rank field of the
1583 dtype descriptor rather than the dtype itself.
1584 * trans-expr.c (get_scalar_to_descriptor_type): Store the type
1585 of 'scalar' on entry and use its TREE_TYPE if it is ARRAY_TYPE
1586 (ie. a character).
1587 (gfc_conv_procedure_call): Pass TREE_OPERAND (tmp,0) to
1588 get_scalar_to_descriptor_type if the actual expression is a
1589 constant.
1590 (gfc_trans_structure_assign): Assign the rank directly to the
1591 dtype rank field.
1592 * trans-intrinsic.c (gfc_conv_intrinsic_rank): Cast the result
1593 to default integer kind.
1594 (gfc_conv_intrinsic_sizeof): Obtain the element size from the
1595 'elem_len' field of the dtype.
1596 * trans-io.c (gfc_build_io_library_fndecls): Replace
1597 gfc_int4_type_node with dtype_type_node where necessary.
1598 (transfer_namelist_element): Use gfc_get_dtype_rank_type for
1599 scalars.
1600 * trans-types.c : Provide 'get_dtype_type_node' to acces the
1601 dtype_type_node and, if necessary, build it.
1602 The maximum size of an array element is now determined by the
1603 maximum value of size_t.
1604 Update the description of the array descriptor, including the
1605 type def for the dtype_type.
1606 (gfc_get_dtype_rank_type): Build a constructor for the dtype.
1607 Distinguish RECORD_TYPEs that are BT_DERIVED or BT_CLASS.
1608 (gfc_get_array_descriptor_base): Change the type of the dtype
1609 field to dtype_type_node.
1610 (gfc_get_array_descr_info): Get the offset to the rank field of
1611 the dtype.
1612 * trans-types.h : Add a prototype for 'get_dtype_type_node ()'.
1613 * trans.h : Define the indices of the dtype fields.
1614
1615 2018-23-01 Paul Thomas <pault@gcc.gnu.org>
1616
1617 PR fortran/83866
1618 * decl.c (gfc_match_derived_decl): If eos not matched, recover
1619 and emit error about garbage after declaration.
1620
1621 2018-23-01 Paul Thomas <pault@gcc.gnu.org>
1622
1623 PR fortran/83898
1624 * trans-stmt.c (trans_associate_var): Do not set cst_array_ctor
1625 for characters.
1626
1627 2018-01-22 Janne Blomqvist <jb@gcc.gnu.org>
1628
1629 PR 78534
1630 PR 83704
1631 * arith.c (gfc_arith_concat): Use size_t for string length.
1632 (gfc_compare_string): Likewise.
1633 (gfc_compare_with_Cstring): Likewise.
1634 * array.c (gfc_resolve_character_array_constructor): Use
1635 HOST_WIDE_INT, gfc_mpz_get_hwi.
1636 * check.c (gfc_check_fe_runtime_error): Use size_t.
1637 * data.c (create_character_initializer): Use HOST_WIDE_INT,
1638 gfc_extract_hwi.
1639 * decl.c (gfc_set_constant_character_len): Use gfc_charlen_t.
1640 (add_init_expr_to_sym): Use HOST_WIDE_INT.
1641 * expr.c (gfc_build_init_expr): Use HOST_WIDE_INT,
1642 gfc_extract_hwi.
1643 (gfc_apply_init): Likewise.
1644 * match.h (gfc_set_constant_character_len): Update prototype.
1645 * primary.c (match_string_constant): Use size_t.
1646 * resolve.c (resolve_ordinary_assign): Use HOST_WIDE_INT,
1647 gfc_mpz_get_hwi.
1648 * simplify.c (init_result_expr): Likewise.
1649 (gfc_simplify_len_trim): Use size_t.
1650 * target-memory.c (gfc_encode_character): Use size_t.
1651 (gfc_target_encode_expr): Use HOST_WIDE_INT, gfc_mpz_get_hwi.
1652 (interpret_array): Use size_t.
1653 (gfc_interpret_character): Likewise.
1654 * target-memory.h (gfc_encode_character): Update prototype.
1655 (gfc_interpret_character): Likewise.
1656 (gfc_target_interpret_expr): Likewise.
1657 * trans-const.c (gfc_build_string_const): Use size_t for length
1658 argument.
1659 (gfc_build_wide_string_const): Likewise.
1660 * trans-const.h (gfc_build_string_const): Likewise.
1661 (gfc_build_wide_string_const): Likewise.
1662
1663 2018-01-20 Steven G. Kargl <kargl@gcc.gnu.org>
1664
1665 PR fortran/83900
1666 * simplify.c (gfc_simplify_matmul): Set return type correctly.
1667
1668 2018-01-19 Steven G. Kargl <kargl@gcc.gnu.org>
1669
1670 PR fortran/83900
1671 * simplify.c (gfc_simplify_matmul): Delete bogus assertion.
1672
1673 2018-01-17 Harald Anlauf <anlauf@gmx.de>
1674
1675 PR fortran/83864
1676 * expr.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1677
1678 2018-01-17 Harald Anlauf <anlauf@gmx.de>
1679
1680 PR fortran/83874
1681 * decl.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1682
1683 2018-01-15 Louis Krupp <louis.krupp@zoho.com>
1684
1685 PR fortran/82257
1686 * interface.c (compare_rank): Don't try to retrieve CLASS_DATA
1687 from symbol marked unlimited polymorphic.
1688 * resolve.c (resolve_structure_cons): Likewise.
1689 * misc.c (gfc_typename): Don't dereference derived->components
1690 if it's NULL.
1691
1692 2018-01-15 Thomas Koenig <tkoenig@gcc.gnu.org>
1693
1694 PR fortran/54613
1695 * gfortran.h (gfc_check_f): Rename f4ml to f5ml.
1696 (gfc_logical_4_kind): New macro
1697 * intrinsic.h (gfc_simplify_minloc): Add a gfc_expr *argument.
1698 (gfc_simplify_maxloc): Likewise.
1699 (gfc_resolve_maxloc): Likewise.
1700 (gfc_resolve_minloc): Likewise.
1701 * check.c (gfc_check_minloc_maxloc): Add checking for "back"
1702 argument; also raise error if it is used (for now). Add it
1703 if it isn't present.
1704 * intrinsic.c (add_sym_4ml): Rename to
1705 (add_sym_5ml), adjust for extra argument.
1706 (add_functions): Add "back" constant. Adjust maxloc and minloc
1707 for back argument.
1708 * iresolve.c (gfc_resolve_maxloc): Add back argument. If back is
1709 not of gfc_logical_4_kind, convert.
1710 (gfc_resolve_minloc): Likewise.
1711 * simplify.c (gfc_simplify_minloc): Add back argument.
1712 (gfc_simplify_maxloc): Likewise.
1713 * trans-intinsic.c (gfc_conv_intrinsic_minmaxloc): Rename last
1714 argument to %VAL to ensure passing by value.
1715 (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_minmaxloc
1716 also for library calls.
1717
1718 2018-01-13 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1719
1720 PR fortran/82007
1721 * resolve.c (resolve_transfer): Delete code looking for 'DT'
1722 format specifiers in format strings. Set formatted to true if a
1723 format string or format label is present.
1724 * trans-io.c (get_dtio_proc): Likewise. (transfer_expr): Fix
1725 whitespace.
1726
1727 2018-01-13 Thomas Koenig <tkoenig@gcc.gnu.org>
1728
1729 PR fortran/83744
1730 * dump-parse-tree.c (get_c_type_name): Remove extra line.
1731 Change for loop to use declaration in for loop. Handle BT_LOGICAL
1732 and BT_CHARACTER.
1733 (write_decl): Add where argument. Fix indentation. Replace
1734 assert with error message. Add typename to warning
1735 in comment.
1736 (write_type): Adjust locus to call of write_decl.
1737 (write_variable): Likewise.
1738 (write_proc): Likewise. Replace assert with error message.
1739
1740 2018-01-13 Paul Thomas <pault@gcc.gnu.org>
1741
1742 PR fortran/52162
1743 * trans-expr.c (gfc_trans_scalar_assign): Flag is_alloc_lhs if
1744 the rhs expression is neither an elemental nor a conversion
1745 function.
1746
1747 PR fortran/83622
1748 * trans-array.c (is_pointer_array): Remove unconditional return
1749 of false for -fopenmp.
1750
1751 2018-01-13 Thomas Koenig <tkoenig@gcc.gnu.org>
1752 <emsr@gcc.gnu.org>
1753
1754 PR fortran/83803
1755 * dump-parse-tree.c (write_proc): Always emit closing parenthesis
1756 for functions.
1757
1758 2018-01-10 Steven G. Kargl <kargl@gcc.gnu.org>
1759
1760 PR fortran/82367
1761 * resolve.c (resolve_allocate_expr): Check for NULL pointer.
1762
1763 2018-01-10 Steven G. Kargl <kargl@gcc.gnu.org>
1764
1765 PR fortran/83093
1766 * resolve.c (resolve_charlen): Check the type of cl->length
1767 after resolution.
1768
1769 2018-01-10 Janne Blomqvist <jb@gcc.gnu.org>
1770
1771 PR fortran/83740
1772 * trans-array.c (gfc_trans_array_ctor_element): Fix formatting.
1773
1774 2018-01-10 Janne Blomqvist <jb@gcc.gnu.org>
1775
1776 PR fortran/83740
1777 * trans-array.c (gfc_trans_array_ctor_element): Convert RHS to the
1778 LHS type when assigning.
1779
1780 2018-01-09 Steven G. Kargl <kargl@gcc.gnu.org>
1781
1782 PR fortran/83742
1783 * expr.c (gfc_is_simply_contiguous): Check for NULL pointer.
1784
1785 2018-01-08 Steven G. Kargl <kargl@gcc.gnu.org>
1786
1787 * match.c (gfc_match_allocate): Check for NULL pointer.
1788
1789 2018-01-08 Steven G. Kargl <kargl@gcc.gnu.org>
1790
1791 * expr.c (gfc_check_pointer_assign): Fix typo in comment.
1792
1793 2018-01-08 Paul Thomas <pault@gcc.gnu.org>
1794
1795 PR fortran/83611
1796 * decl.c (gfc_get_pdt_instance): If parameterized arrays have
1797 an initializer, convert the kind parameters and add to the
1798 component if the instance.
1799 * trans-array.c (structure_alloc_comps): Add 'is_pdt_type' and
1800 use it with case COPY_ALLOC_COMP. Call 'duplicate_allocatable'
1801 for parameterized arrays. Clean up typos in comments. Convert
1802 parameterized array initializers and copy into the array.
1803 * trans-expr.c (gfc_trans_scalar_assign): Do a deep copy for
1804 parameterized types.
1805 *trans-stmt.c (trans_associate_var): Deallocate associate vars
1806 as necessary, when they are PDT function results for example.
1807
1808 PR fortran/83731
1809 * trans-array.c (structure_alloc_comps): Only compare len parms
1810 when they are declared explicitly.
1811
1812 2018-01-06 Janne Blomqvist <jb@gcc.gnu.org>
1813
1814 PR fortran/50892
1815 * trans-expr.c (gfc_trans_pointer_assignment): fold_convert rhs to
1816 lhs type.
1817
1818 2018-01-05 Janne Blomqvist <jb@gcc.gnu.org>
1819
1820 PR fortran/78534
1821 PR fortran/66310
1822 * array.c (got_charlen): Use gfc_charlen_int_kind.
1823 * class.c (gfc_find_derived_vtab): Use gfc_size_kind instead of
1824 hardcoded kind.
1825 (find_intrinsic_vtab): Likewise.
1826 * decl.c (match_char_length): Use gfc_charlen_int_kind.
1827 (add_init_expr_to_sym): Use gfc_charlen_t and gfc_charlen_int_kind.
1828 (gfc_match_implicit): Use gfc_charlen_int_kind.
1829 * dump-parse-tree.c (show_char_const): Use gfc_charlen_t and size_t.
1830 (show_expr): Use HOST_WIDE_INT_PRINT_DEC.
1831 * expr.c (gfc_get_character_expr): Length parameter of type
1832 gfc_charlen_t.
1833 (gfc_get_int_expr): Value argument of type HOST_WIDE_INT.
1834 (gfc_extract_hwi): New function.
1835 (simplify_const_ref): Make string_len of type gfc_charlen_t.
1836 (gfc_simplify_expr): Use HOST_WIDE_INT for substring refs.
1837 * frontend-passes.c (optimize_trim): Use gfc_charlen_int_kind.
1838 * gfortran.h (gfc_mpz_get_hwi): New prototype.
1839 (gfc_mpz_set_hwi): Likewise.
1840 (gfc_charlen_t): New typedef.
1841 (gfc_expr): Use gfc_charlen_t for character lengths.
1842 (gfc_size_kind): New extern variable.
1843 (gfc_extract_hwi): New prototype.
1844 (gfc_get_character_expr): Use gfc_charlen_t for character length.
1845 (gfc_get_int_expr): Use HOST_WIDE_INT type for value argument.
1846 * gfortran.texi: Update description of hidden string length argument.
1847 * iresolve.c (check_charlen_present): Use gfc_charlen_int_kind.
1848 (gfc_resolve_char_achar): Likewise.
1849 (gfc_resolve_repeat): Pass string length directly without
1850 temporary, use gfc_charlen_int_kind.
1851 (gfc_resolve_transfer): Use gfc_charlen_int_kind.
1852 * match.c (select_intrinsic_set_tmp): Use HOST_WIDE_INT for charlen.
1853 * misc.c (gfc_mpz_get_hwi): New function.
1854 (gfc_mpz_set_hwi): New function.
1855 * module.c (atom_int): Change type from int to HOST_WIDE_INT.
1856 (parse_integer): Don't complain about large integers.
1857 (write_atom): Use HOST_WIDE_INT for integers.
1858 (mio_integer): Handle integer type mismatch.
1859 (mio_hwi): New function.
1860 (mio_intrinsic_op): Use HOST_WIDE_INT.
1861 (mio_array_ref): Likewise.
1862 (mio_expr): Likewise.
1863 * primary.c (match_substring): Use gfc_charlen_int_kind.
1864 * resolve.c (resolve_substring_charlen): Use gfc_charlen_int_kind.
1865 (resolve_character_operator): Likewise.
1866 (resolve_assoc_var): Likewise.
1867 (resolve_select_type): Use HOST_WIDE_INT for charlen, use snprintf.
1868 (resolve_charlen): Use mpz_sgn to determine sign.
1869 * simplify.c (gfc_simplify_repeat): Use HOST_WIDE_INT/gfc_charlen_t
1870 instead of long.
1871 * symbol.c (generate_isocbinding_symbol): Use gfc_charlen_int_kind.
1872 * target-memory.c (size_character): Length argument of type
1873 gfc_charlen_t.
1874 (gfc_encode_character): Likewise.
1875 (gfc_interpret_character): Use gfc_charlen_t.
1876 * target-memory.h (gfc_encode_character): Modify prototype.
1877 * trans-array.c (gfc_trans_array_ctor_element): Use existing type.
1878 (get_array_ctor_var_strlen): Use gfc_conv_mpz_to_tree_type.
1879 (trans_array_constructor): Use existing type.
1880 (get_array_charlen): Likewise.
1881 * trans-const.c (gfc_conv_mpz_to_tree_type): New function.
1882 * trans-const.h (gfc_conv_mpz_to_tree_type): New prototype.
1883 * trans-decl.c (gfc_trans_deferred_vars): Use existing type.
1884 (add_argument_checking): Likewise.
1885 * trans-expr.c (gfc_class_len_or_zero_get): Build const of type
1886 gfc_charlen_type_node.
1887 (gfc_conv_intrinsic_to_class): Use gfc_charlen_int_kind instead of
1888 4, fold_convert to correct type.
1889 (gfc_conv_class_to_class): Build const of type size_type_node for
1890 size.
1891 (gfc_copy_class_to_class): Likewise.
1892 (gfc_conv_string_length): Use same type in expression.
1893 (gfc_conv_substring): Likewise, use HOST_WIDE_INT for charlen.
1894 (gfc_conv_string_tmp): Make sure len is of the right type.
1895 (gfc_conv_concat_op): Use same type in expression.
1896 (gfc_conv_procedure_call): Likewise.
1897 (fill_with_spaces): Comment out memset() block due to spurious
1898 -Wstringop-overflow warnings.
1899 (gfc_trans_string_copy): Use gfc_charlen_type_node.
1900 (alloc_scalar_allocatable_for_subcomponent_assignment):
1901 fold_convert to right type.
1902 (gfc_trans_subcomponent_assign): Likewise.
1903 (trans_class_vptr_len_assignment): Build const of correct type.
1904 (gfc_trans_pointer_assignment): Likewise.
1905 (alloc_scalar_allocatable_for_assignment): fold_convert to right
1906 type in expr.
1907 (trans_class_assignment): Build const of correct type.
1908 * trans-intrinsic.c (gfc_conv_associated): Likewise.
1909 (gfc_conv_intrinsic_repeat): Do calculation in sizetype.
1910 * trans-io.c (gfc_build_io_library_fndecls): Use
1911 gfc_charlen_type_node for character lengths.
1912 (set_string): Convert to right type in assignment.
1913 * trans-stmt.c (gfc_trans_label_assign): Build const of
1914 gfc_charlen_type_node.
1915 (trans_associate_var): Likewise.
1916 (gfc_trans_character_select): Likewise.
1917 (gfc_trans_allocate): Likewise, don't typecast strlen result.
1918 (gfc_trans_deallocate): Don't typecast strlen result.
1919 * trans-types.c (gfc_size_kind): New variable.
1920 (gfc_init_types): Determine gfc_charlen_int_kind and gfc_size_kind
1921 from size_type_node.
1922 * trans-types.h: Fix comment.
1923
1924 2018-01-04 Thomas Koenig <tkoenig@gcc.gnu.org>
1925
1926 PR fortran/83683
1927 PR fortran/45689
1928 * check.c (gfc_check_eoshift): Check for string length and
1929 for conformance of boundary.
1930 * intrinsic.c (add_functions): Add gfc_simplify_eoshift.
1931 * intrinsic.h: Add prototype for gfc_simplify_eoshift.
1932 * simplify.c (gfc_simplify_eoshift): New function.
1933
1934 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
1935 Alan Hayward <alan.hayward@arm.com>
1936 David Sherwood <david.sherwood@arm.com>
1937
1938 * trans-types.c (gfc_type_for_mode): Handle MODE_VECTOR_BOOL.
1939
1940 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
1941 Alan Hayward <alan.hayward@arm.com>
1942 David Sherwood <david.sherwood@arm.com>
1943
1944 * trans-types.c (gfc_type_for_mode): Check valid_vector_subparts_p.
1945
1946 2018-01-03 Thomas Koenig <tkoenig@gcc.gnu.org>
1947
1948 PR fortran/83664
1949 * check.c (gfc_check_eoshift): Error for missing boundary if array
1950 is not one of the standard types.
1951
1952 2018-01-03 Jakub Jelinek <jakub@redhat.com>
1953
1954 Update copyright years.
1955
1956 * gfortranspec.c (lang_specific_driver): Update copyright notice
1957 dates.
1958 * gfc-internals.texi: Bump @copying's copyright year.
1959 * gfortran.texi: Ditto.
1960 * intrinsic.texi: Ditto.
1961 * invoke.texi: Ditto.
1962
1963 2017-01-02 Thomas Koenig <tkoenig@gcc.gnu.org>
1964
1965 PR fortran/45689
1966 * intrinsic.c (add_function): Add gfc_simplify_maxloc and
1967 gfc_simplify_minloc to maxloc and minloc, respectively.
1968 * intrinsic.h: Add prototypes for gfc_simplify_minloc
1969 and gfc_simplify_maxloc.
1970 * simplify.c (min_max_chose): Adjust prototype. Modify function
1971 to have a return value which indicates if the extremum was found.
1972 (is_constant_array_expr): Fix typo in comment.
1973 (simplify_minmaxloc_to_scalar): New function.
1974 (simplify_minmaxloc_nodim): New function.
1975 (new_array): New function.
1976 (simplify_minmaxloc_to_array): New function.
1977 (gfc_simplify_minmaxloc): New function.
1978 (simplify_minloc): New function.
1979 (simplify_maxloc): New function.
1980
1981 2018-01-02 Thomas Koenig <tkoenig@gcc.gnu.org>
1982
1983 PR fortran/45689
1984 PR fortran/83650
1985 * simplify.c (gfc_simplify_cshift): Re-implement to allow full
1986 range of arguments.
1987
1988 2018-01-01 Paul Thomas <pault@gcc.gnu.org>
1989
1990 PR fortran/83076
1991 * resolve.c (resolve_fl_derived0): Add caf_token fields for
1992 allocatable and pointer scalars, when -fcoarray selected.
1993 * trans-types.c (gfc_copy_dt_decls_ifequal): Copy the token
1994 field as well as the backend_decl.
1995 (gfc_get_derived_type): Flag GFC_FCOARRAY_LIB for module
1996 derived types that are not vtypes. Components with caf_token
1997 attribute are pvoid types. For a component requiring it, find
1998 the caf_token field and have the component token field point to
1999 its backend_decl.
2000
2001 PR fortran/83319
2002 *trans-types.c (gfc_get_array_descriptor_base): Add the token
2003 field to the descriptor even when codimen not set.
2004 \f
2005 Copyright (C) 2018 Free Software Foundation, Inc.
2006
2007 Copying and distribution of this file, with or without modification,
2008 are permitted in any medium without royalty provided the copyright
2009 notice and this notice are preserved.