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re PR fortran/87336 (wrong output for pointer dummy assiocated to target actual argument)
[gcc.git] / gcc / fortran / ChangeLog
1 2018-09-18 Paul Thomas <pault@gcc.gnu.org>
2
3 PR fortran/87336
4 * trans-array.c (gfc_get_array_span): Try to get the element
5 length of incomplete types. Return NULL_TREE otherwise.
6 (gfc_conv_expr_descriptor): Only set the 'span' field if the
7 above does not return NULL_TREE. Set 'span' field if possible
8 for all new descriptors.
9
10 2018-09-17 Paul Thomas <pault@gcc.gnu.org>
11
12 PR fortran/64120
13 * trans-decl.c (gfc_get_symbol_decl): Flag allocatable, scalar
14 characters with a variable length expression for deferred init.
15 (gfc_trans_deferred_vars): Perform the assignment for these
16 symbols by calling gfc_conv_string_length.
17
18 2018-09-17 Paul Thomas <pault@gcc.gnu.org>
19
20 PR fortran/85954
21 * resolve.c (resolve_assoc_var): If the target expression is a
22 deferred charlen dummy and the associate name shares the
23 charlen, generate a new one. Make sure that new charlens are in
24 the namespace list so that they get cleaned up.
25 * trans-array.c (gfc_is_reallocatable_lhs): Associate names are
26 not reallocatable.
27 * trans-decl.c (gfc_get_symbol_decl): Put deferred character
28 length dummy and result arrays on the deferred initialization
29 list so that the variable length arrays can be correctly dealt
30 with.
31 * trans-expr.c (gfc_conv_string_length): Return if 'expr' is
32 NULL rather than ICEing..
33
34 2018-09-16 Janus Weil <janus@gcc.gnu.org>
35
36 PR fortran/86484
37 PR fortran/84543
38 * match.c (gfc_match_assignment): For a polymorphic assignment,
39 make sure that the vtab for the rhs type is generated.
40
41 2018-09-16 Thomas Koenig <tkoenig@gcc.gnu.org>
42
43 PR fortran/37802
44 * frontend-passes.c (B_ERROR): New macro for matmul bounds
45 checking error messages.
46 (C_ERROR): Likewise.
47 (inline_matmul_assign): Reorganize bounds checking, use B_ERROR
48 and C_ERROR macros.
49
50 2018-09-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
51
52 * trans-array.c (gfc_conv_array_initializer): Remove excess precision
53 from overlength string initializers.
54
55 2018-09-12 Paul Thomas <pault@gcc.gnu.org>
56
57 PR fortran/87284
58 * trans-expr.c (gfc_trans_class_init_assign): Access to
59 to array elements of the dynamic type requires that the array
60 reference be added to the class expression and not the _data
61 component, unlike scalar expressions.
62
63 2018-09-11 Janus Weil <janus@gcc.gnu.org>
64
65 PR fortran/87172
66 * resolve.c (resolve_fl_derived): If a type has the 'use_assoc'
67 attribute, then it was declared in another module, so there should be
68 no error that it has not been declared.
69
70 2018-09-11 Paul Thomas <pault@gcc.gnu.org>
71
72 PR fortran/87277
73 * expr.c (is_subref_array): Add the check of dimensionality for
74 class, dummy, pointer arrays.
75
76 2018-09-11 Janus Weil <janus@gcc.gnu.org>
77
78 PR fortran/86830
79 * expr.c (gfc_is_simply_contiguous): Handle type-bound procedure calls
80 with non-polymorphic objects.
81
82 2018-09-10 Janus Weil <janus@gcc.gnu.org>
83
84 PR fortran/85395
85 * decl.c (match_binding_attributes): Use correct default accessibility
86 for procedure pointer components.
87
88 2018-09-03 Jerry DeLisle <jvdelisle@gcc.gnu.org>
89
90 * simplify.c (gfc_simplify_modulo): Re-arrange code to test whether
91 'P' is zero and issue an error if it is.
92
93 2018-08-31 Paul Thomas <pault@gcc.gnu.org>
94
95 PR fortran/86328
96 PR fortran/86760
97 * trans-array.c (gfc_conv_scalarized_array_ref): Do not fix
98 info->descriptor but pass it directly to gfc_build_array_ref.
99 (gfc_conv_array_ref): Likewise for se->expr.
100 * trans.c (gfc_build_array_ref): If 'decl' is a COMPONENT_REF
101 obtain the span field directly from it.
102
103 2017-08-28 Paul Thomas <pault@gcc.gnu.org>
104
105 PR fortran/80477
106 * trans-expr.c (gfc_conv_procedure_call): Allocatable class
107 scalar results being passed to a derived type formal argument
108 are finalized if possible. Otherwise, rely on existing code for
109 deallocation. Make the deallocation of allocatable result
110 components conditional on finalization not taking place. Make
111 the freeing of data components after finalization conditional
112 on the data being NULL.
113 (gfc_trans_arrayfunc_assign): Change the gcc_assert to a
114 condition to return NULL_TREE.
115 (gfc_trans_assignment_1): If the assignment is class to class
116 and the rhs expression must be finalized but the assignment
117 is not marked as a polymorphic assignment, use the vptr copy
118 function instead of gfc_trans_scalar_assign.
119
120 PR fortran/86481
121 * trans-expr.c (gfc_conv_expr_reference): Do not add the post
122 block to the pre block if the expression is to be finalized.
123 * trans-stmt.c (gfc_trans_allocate): If the expr3 must be
124 finalized, load the post block into a finalization block and
125 add it right at the end of the allocation block.
126
127 2018-08-27 David Malcolm <dmalcolm@redhat.com>
128
129 PR 87091
130 * error.c (gfc_format_decoder): Update for conversion of
131 show_caret_p to a tri-state.
132
133 2018-08-25 Janus Weil <janus@gcc.gnu.org>
134
135 PR fortran/86545
136 * resolve.c (resolve_transfer): Correctly determine typespec for
137 generic function calls, in order to throw a proper error.
138
139 2018-08-24 Thomas Koenig <tkoenig@gcc.gnu.org>
140
141 PR fortran/86837
142 * frontend-passes.c (var_in_expr_callback): New function.
143 (var_in_expr): New function.
144 (traverse_io_block): Use var_in_expr instead of
145 gfc_check_dependency for checking if the variable depends on the
146 previous interators.
147
148 2018-08-23 Janne Blomqvist <blomqvist.janne@gmail.com>
149
150 * trans-intrinsic.c (gfc_conv_intrinsic_minmaxval): Delete
151 HONOR_SIGNED_ZEROS checks.
152
153 2018-08-23 Paul Thomas <pault@gcc.gnu.org>
154
155 PR fortran/86863
156 * resolve.c (resolve_typebound_call): If the TBP is not marked
157 as a subroutine, check the specific symbol.
158
159 2018-08-22 Thomas Koenig <tkoenig@gcc.gnu.org>
160
161 * gfortran.texi: Mention that asynchronous I/O does
162 not work on systems which lack condition variables, such
163 as AIX.
164
165 2018-08-22 Janus Weil <janus@gcc.gnu.org>
166
167 PR fortran/86935
168 * match.c (gfc_match_associate): Improve diagnostics for the ASSOCIATE
169 statement.
170
171 2018-08-22 Andrew Benson <abensonca@gmail.com>
172
173 * module.c (load_generic_interfaces): Move call to find_symbol()
174 so that only occurs if actually needed.
175
176 2018-08-22 Janus Weil <janus@gcc.gnu.org>
177
178 PR fortran/86888
179 * decl.c (gfc_match_data_decl): Allow allocatable components of
180 indirectly recursive type.
181 * resolve.c (resolve_component): Remove two errors messages ...
182 (resolve_fl_derived): ... and replace them by a new one.
183
184 2018-08-21 Janne Blomqvist <jb@gcc.gnu.org>
185
186 * trans-intrinsic.c (gfc_conv_intrinsic_minmax): Use
187 MAX_EXPR/MIN_EXPR unconditionally for real arguments.
188 * gfortran.texi (Compiler Characteristics): Document MAX/MIN
189 behavior wrt NaN.
190
191 2018-08-21 Nicolas Koenig <koenigni@gcc.gnu.org>
192 Thomas Koenig <tkoenig@gcc.gnu.org>
193
194 PR fortran/25829
195 * gfortran.texi: Add description of asynchronous I/O.
196 * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
197 as volatile.
198 * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
199 st_wait_async and change argument spec from ".X" to ".w".
200 (gfc_trans_wait): Pass ID argument via reference.
201
202 2018-08-16 Nathan Sidwell <nathan@acm.org>
203
204 * cpp.c (dump_macro): Use cpp_user_macro_p.
205
206 2018-08-14 Janus Weil <janus@gcc.gnu.org>
207
208 PR fortran/86116
209 * interface.c (compare_type): Remove a CLASS/TYPE check.
210 (compare_type_characteristics): New function that behaves like the old
211 'compare_type'.
212 (gfc_check_dummy_characteristics, gfc_check_result_characteristics):
213 Call 'compare_type_characteristics' instead of 'compare_type'.
214
215 2018-08-12 Paul Thomas <pault@gcc.gnu.org>
216
217 PR fortran/66679
218 * trans-intrinsic.c (gfc_conv_intrinsic_transfer): Class array
219 elements are returned as references to the data element. Get
220 the class expression by stripping back the references. Use this
221 for the element size.
222
223 2018-08-12 Paul Thomas <pault@gcc.gnu.org>
224
225 PR fortran/86906
226 * resolve.c (resolve_fl_variable_derived): Check if the derived
227 type is use associated before checking for the host association
228 error.
229
230 2018-08-10 Janus Weil <janus@gcc.gnu.org>
231
232 PR fortran/57160
233 * invoke.texi (frontend-optimize): Mention short-circuiting.
234 * options.c (gfc_post_options): Disable -ffrontend-optimize with -Og.
235 * resolve.c (resolve_operator): Warn about short-circuiting only with
236 -ffrontend-optimize.
237 * trans-expr.c (gfc_conv_expr_op): Use short-circuiting operators only
238 with -ffrontend-optimize. Without that flag, make sure that both
239 operands are evaluated.
240
241 2018-08-08 Nathan Sidwell <nathan@acm.org>
242
243 * cpp.c (cb_file_change): Use linemap_included_from.
244
245 2018-08-07 Cesar Philippidis <cesar@codesourcery.com>
246
247 * trans-stmt.h: Remove stale reference to trans-openacc.c.
248
249 2018-08-04 Janus Weil <janus@gcc.gnu.org>
250
251 PR fortran/45521
252 * interface.c (gfc_compare_interfaces): Apply additional
253 distinguishability criteria of F08 to operator interfaces.
254
255 2018-07-31 Andre Vieira <andre.simoesdiasvieira@arm.com>
256
257 Revert 'AsyncI/O patch committed'
258 2018-07-25 Nicolas Koenig <koenigni@gcc.gnu.org>
259 Thomas Koenig <tkoenig@gcc.gnu.org>
260
261 PR fortran/25829
262 * gfortran.texi: Add description of asynchronous I/O.
263 * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
264 as volatile.
265 * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
266 st_wait_async and change argument spec from ".X" to ".w".
267 (gfc_trans_wait): Pass ID argument via reference.
268
269 2018-07-25 Nicolas Koenig <koenigni@gcc.gnu.org>
270 Thomas Koenig <tkoenig@gcc.gnu.org>
271
272 PR fortran/25829
273 * gfortran.texi: Add description of asynchronous I/O.
274 * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
275 as volatile.
276 * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
277 st_wait_async and change argument spec from ".X" to ".w".
278 (gfc_trans_wait): Pass ID argument via reference.
279
280 2018-07-20 Martin Sebor <msebor@redhat.com>
281
282 PR middle-end/82063
283 * gfortran.h (gfc_handle_option): Change function argument
284 to HOST_WIDE_INT.
285 * options.c (gfc_handle_option): Same.
286
287 2018-07-20 Andrew Benson <abenson@carnegiescience.edu>
288
289 * gfortran.h (gfc_symbol): Add pointer to next derived type.
290 (gfc_dt_list, gfc_get_dt_list): Remove.
291 (gfc_namespace): Replace gfc_dt_list with gfc_symbol.
292 * parse.c (resolve_all_program_units): Replace gfc_free_dt_list() with
293 simple nullification of gfc_derived_types.
294 * resolve.c (resolve_global_procedure): Replace gfc_dt_list with
295 gfc_symbol.
296 (add_dt_to_dt_list): Change derived type linked list insertion to
297 utilize dt_next pointers in gfc_symbol.
298 * symbol.c (gfc_new_symbol, gfc_free_dt_list, gfc_symbol_done2)
299 (get_iso_c_binding_dt, generate_isocbinding_symbol): Remove
300 gfc_free_dt_list as gfc_dt_list is obsoleted. Change derived type
301 linked list search/insertion to utilize dt_next pointers in gfc_symbol.
302 * trans-types.c (gfc_get_derived_type): Change derived type linked
303 list search to utilize dt_next pointers in gfc_symbol.
304
305 2018-07-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
306
307 * trans-intrinsic.c: (gfc_conv_intrinsic_minmax): Emit MIN_MAX_EXPR
308 or IFN_FMIN/FMAX sequence to calculate the min/max when possible.
309
310 2018-07-18 Janus Weil <janus@gcc.gnu.org>
311 Thomas Koenig <tkoenig@gcc.gnu.org>
312
313 PR fortran/85599
314 * dump-parse-tree.c (show_attr): Add handling of implicit_pure.
315 * frontend-passes.c (do_warn_function_elimination): Do not warn for
316 pure functions.
317 * gfortran.h: Add prototypes for gfc_pure_function and
318 gfc_implicit_pure_function.
319 * gfortran.texi: Add chapter on evaluation of logical expressions.
320 * invoke.texi: Mention that -Wfunction-elimination is implied
321 by -Wextra.
322 * lang.opt: Make -Wextra imply -Wfunction-elimination.
323 * resolve.c (pure_function): Rename to gfc_pure_function.
324 (gfc_implicit_pure_function): New function.
325 (check_pure_function): Use it here.
326 (impure_function_callback): New function.
327 (resolve_operator): Call it via gfc_expr_walker.
328
329 2018-07-16 Fritz Reese <fritzoreese@gmail.com>
330
331 PR fortran/83184
332 * decl.c (match_old_style_init): Initialize locus of variable expr when
333 creating a data variable.
334 (match_clist_expr): Verify array is explicit shape/size before
335 attempting to allocate constant array constructor.
336
337 2018-07-16 Fritz Reese <fritzoreese@gmail.com>
338
339 PR fortran/86417
340 * module.c (mio_component): Set component->loc when loading from module.
341
342 2018-07-10 Jakub Jelinek <jakub@redhat.com>
343
344 PR fortran/86421
345 * module.c (omp_declare_simd_clauses): Add LINEAR with _REF, _VAL and
346 _UVAL suffixes.
347 (mio_omp_declare_simd): Save and restore ref, val and uval modifiers
348 on linear clauses. Initialize n->where to gfc_current_locus.
349
350 2018-07-05 Paul Thomas <pault@gcc.gnu.org>
351
352 PR fortran/86408
353 * resolve.c.c (resolve_contained_fntype): Reference to C418 is
354 in F2008 and not F2003.
355 (resolve_function): Ditto in error message. Also, exclude
356 deferred character length results from the error.
357
358 2018-07-05 Fritz Reese <fritzoreese@gmail.com>
359
360 PR fortran/83183
361 PR fortran/86325
362 * expr.c (class_allocatable, class_pointer, comp_allocatable,
363 comp_pointer): New helpers.
364 (component_initializer): Generate EXPR_NULL for allocatable or pointer
365 components. Do not generate initializers for components within BT_CLASS.
366 Do not assign to comp->initializer.
367 (gfc_generate_initializer): Use new helpers; move code to generate
368 EXPR_NULL for class allocatable components into component_initializer().
369
370 2018-07-04 Jerry DeLisle <jvdelisle@gcc.gnu.org>
371
372 PR fortran/82009
373 * trans-decl.c (gfc_process_block_locals): Delete assert and set
374 saved_local_decls = NULL_TREE.
375
376 2018-07-02 Richard Biener <rguenther@suse.de>
377
378 PR lto/86321
379 * trans-types.c (gfc_get_array_type_bounds): Unshare TYPE_FIELDs
380 for the distinct type copy.
381
382 2018-07-02 Paul Thomas <pault@gcc.gnu.org>
383
384 PR fortran/82969
385 PR fortran/86242
386 * trans-array.c (structure_alloc_comps): Do not explicitly copy
387 procedure pointer components.
388
389 2018-07-02 Paul Thomas <pault@gcc.gnu.org>
390
391 PR fortran/45305
392 * expr.c : Add a prototype for scalarize_intrinsic_call.
393 (gfc_simplify_expr): Use scalarize_intrinsic_call for elemental
394 intrinsic function calls.
395 (scalarize_intrinsic_call): Add 'init_flag' argument. Check if
396 the expression or any of the actual argument expressions are
397 NULL. Before calling gfc_check_init_expr, check 'init_flag'.
398 Only simplify the scalarized expressions if there are no errors
399 on the stack.
400 (gfc_check_init_expr): Set 'init_flag' true in the call to
401 scalarize_intrinsic_call.
402
403 2018-06-28 Fritz Reese <fritzoreese@gmail.com>
404
405 PR fortran/82865
406 * decl.c (gfc_match_type): Refactor and check for PDT declarations.
407
408 2018-06-28 Martin Liska <mliska@suse.cz>
409
410 * gfortranspec.c: Include opt-suggestions.h.
411
412 2018-06-25 Fritz Reese <fritzoreese@gmail.com>
413
414 PR fortran/82972
415 PR fortran/83088
416 PR fortran/85851
417 * expr.c (component_initializer): Assign init expr to c->initializer.
418 (generate_isocbinding_initializer): New.
419 (gfc_generate_initializer): Call generate_isocbinding_initializer to
420 generate initializers for c_ptr and c_funptr with -finit-derived.
421
422 2018-06-23 Jerry DeLisle <jvdelisle@gcc.gnu.org>
423
424 PR fortran/85983
425 * interface.c (check_dtio_interface1): Delete assert.
426
427 2018-06-22 Paul Thomas <pault@gcc.gnu.org>
428 Rainer Orth <ro@gcc.gnu.org>
429
430 PR fortran/86281
431 * resolve.c (resolve_contained_fntype): Check for the charlen
432 before testing the length.
433
434 2018-06-21 Paul Thomas <pault@gcc.gnu.org>
435
436 PR fortran/49630
437 * resolve.c (resolve_contained_fntype): Change standard ref.
438 from F95 to F2003: C418. Correct a spelling error in a comment.
439 It is an error for an abstract interface to have an assumed
440 character length result.
441 * trans-expr.c (gfc_conv_procedure_call): Likewise change the
442 standard reference.
443
444 2018-06-21 Paul Thomas <pault@gcc.gnu.org>
445
446 PR fortran/83118
447 * resolve.c (resolve_ordinary_assign): Force the creation of a
448 vtable for assignment of non-polymorphic expressions to an
449 unlimited polymorphic object.
450 * trans-array.c (gfc_alloc_allocatable_for_assignment): Use the
451 size of the rhs type for such assignments. Set the dtype, _len
452 and vptrs appropriately.
453 * trans-expr.c (gfc_trans_assignment): Force the use of the
454 _copy function for these assignments.
455
456 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
457 Thomas Schwinge <thomas@codesourcery.com>
458 Cesar Philippidis <cesar@codesourcery.com>
459
460 * gfortran.h (gfc_omp_clauses): Add unsigned if_present, finalize
461 bitfields.
462 * openmp.c (enum omp_mask2): Remove OMP_CLAUSE_PRESENT_OR_*. Add
463 OMP_CLAUSE_{IF_PRESENT,FINALIZE}.
464 (gfc_match_omp_clauses): Update handling of copy, copyin, copyout,
465 create, deviceptr, present_of_*. Add support for finalize and
466 if_present.
467 (OACC_PARALLEL_CLAUSES): Remove PRESENT_OR_* clauses.
468 (OACC_KERNELS_CLAUSES): Likewise.
469 (OACC_DATA_CLAUSES): Likewise.
470 (OACC_DECLARE_CLAUSES): Likewise.
471 (OACC_UPDATE_CLAUSES): Add IF_PRESENT clause.
472 (OACC_ENTER_DATA_CLAUSES): Remove PRESENT_OR_* clauses.
473 (OACC_EXIT_DATA_CLAUSES): Add FINALIZE clause.
474 (gfc_match_oacc_declare): Update to OpenACC 2.5 semantics.
475 * trans-openmp.c (gfc_trans_omp_clauses): Add support for IF_PRESENT
476 and FINALIZE.
477
478 2018-06-18 Eric Botcazou <ebotcazou@adacore.com>
479
480 * trans-decl.c (gfc_get_fake_result_decl): Revert latest change.
481
482 2018-06-17 Eric Botcazou <ebotcazou@adacore.com>
483
484 * trans-decl.c (nonlocal_dummy_decl_pset): Delete.
485 (nonlocal_dummy_decls): Likewise.
486 (gfc_nonlocal_dummy_array_decl): Likewise.
487 (gfc_get_symbol_decl): Do not call gfc_nonlocal_dummy_array_decl.
488 (gfc_get_fake_result_decl): Do not generate a new DECL if simply
489 reusing the result of a recursive call.
490 (gfc_generate_function_code): Do not create, insert and destroy
491 nonlocal_dummy_decls.
492
493 2018-06-13 Steven G. Kargl <kargl@gcc.gnu.org>
494
495 PR fortran/86110
496 * array.c (gfc_resolve_character_array_constructor): Avoid NULL
497 pointer dereference.
498
499 2018-06-13 Cesar Philippidis <cesar@codesourcery.com>
500
501 PR fortran/85703
502 * parse.c (decode_oacc_directive): Set gfc_matching_function
503 to false.
504 (decode_omp_directive): Likewise.
505
506 2018-06-13 Cesar Philippidis <cesar@codesourcery.com>
507
508 PR fortran/85702
509 * openmp.c (gfc_match_oacc_wait): Use %C to report error location.
510
511 2018-06-12 David Malcolm <dmalcolm@redhat.com>
512
513 PR other/69968
514 * misc.c (gfc_closest_fuzzy_match): Update for renaming of
515 levenshtein_distance to get_edit_distance.
516
517 2018-06-12 Steven G. Kargl <kargl@gcc.gnu.org>
518
519 PR fortran/44491
520 * expr.c (gfc_check_assign): Select non-NULL locus.
521
522 2018-06-11 Janus Weil <janus@gcc.gnu.org>
523
524 PR fortran/45521
525 * interface.c (compare_ptr_alloc): New function.
526 (generic_correspondence): Call it.
527
528 2018-06-10 Thomas Koenig <tkoenig@gcc.gnu.org>
529
530 * gfortran.h (gfc_expr): Add no_bounds_check field.
531 * frontend-passes.c (get_array_inq_function): Set no_bounds_check
532 on function and function argument.
533 (inline_matmul_assign): Set no_bounds_check on zero expression
534 and on lhs of zero expression.
535 Also handle A1B2 case if realloc on assigment is active.
536 * trans-array.c (gfc_conv_array_ref): Don't do range checking
537 if expr has no_bounds_check set.
538 (gfc_conv_expr_descriptor): Set no_bounds_check on ss if expr
539 has it set.
540 * trans-expr.c (gfc_trans_assignment_1): Set no_bounds_check
541 on lss and lss if the corresponding expressions have it set.
542
543 2018-06-10 Dominique d'Humieres <dominiq@gcc.gnu.org>
544
545 PR fortran/79854
546 * trans-const.c: Remove include "diagnostic-core.h".
547 (gfc_conv_constant_to_tree): Replace fatal_error with gcc_unreachable.
548
549 2018-06-10 Janus Weil <janus@gcc.gnu.org>
550
551 PR fortran/85088
552 * decl.c (match_attr_spec): Synchronize the DECL_* enum values with the
553 INTENT_* values from the enum 'sym_intent'. Call 'match_intent_spec'
554 and remove a TODO note.
555 * gfortran.h: Add a comment to sym_intent.
556
557 2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org>
558
559 PR fortran/38351
560 * resolve.c (resolve_operator): Provide better error message for
561 derived type entity used in an binary intrinsic numeric operator.
562
563 2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org>
564
565 PR fortran/85138
566 PR fortran/85996
567 PR fortran/86051
568 * decl.c (gfc_match_char_spec): Use private namespace in attempt to
569 reduce a charlen to a constant.
570
571 2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org>
572
573 PR fortran/78278
574 * data.c (gfc_assign_data_value): Re-arrange code to allow for
575 an error for double initialization of CHARACTER entities.
576
577 2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org>
578
579 PR fortran/63514
580 * symbol.c (gfc_add_volatile): Enforce F2008:C1282 and F2018:C1588.
581
582 2018-06-08 Thomas Koenig <tkoenig@gcc.gnu.org>
583
584 PR fortran/85631
585 * trans.h (gfc_ss): Add field no_bounds_check.
586 * trans-array.c (gfc_conv_ss_startstride): If flag_realloc_lhs and
587 ss->no_bounds_check is set, do not use runtime checks.
588 * trans-expr.c (gfc_trans_assignment_1): Set lss->no_bounds_check
589 for reallocatable lhs.
590
591 2018-06-08 Steven G. Kargl <kargl@gcc.gnu.org>
592
593 PR fortran/86059
594 * array.c (match_array_cons_element): NULL() cannot be in an
595 array constructor.
596
597 2018-06-08 Steven G. Kargl <kargl@gcc.gnu.org>
598
599 PR fortran/78571
600 * data.c (create_character_initializer): Return early if type is
601 incompatible with CHARACTER.
602
603 2018-06-07 Steven G. Kargl <kargl@gcc.gnu.org>
604
605 PR fortran/86045
606 * simplify.c (gfc_simplify_mod): Re-arrange code to test whether
607 'P' is zero and issue an error if it is.
608
609 2018-06-06 Thomas Koenig <tkoenig@gcc.gnu.org>
610
611 PR fortran/85641
612 * frontend-passes.c (is_fe_temp): Add prototype.
613 (realloc_string_callback): Early return for frontend-generated
614 temporary.
615
616 2018-06-05 Cesar Philippidis <cesar@codesourcery.com>
617
618 PR fortran/85701
619
620 * openmp.c (gfc_resolve_oacc_declare): Error on functions and
621 subroutine data clause arguments.
622
623 2018-06-04 Steven G. Kargl <kargl@gcc.gnu.org>
624
625 PR fortran/85981
626 * resolve.c (resolve_allocate_deallocate): Check errmsg is default
627 character kind.
628
629 2018-06-03 Paul Thomas <pault@gcc.gnu.org>
630
631 PR fortran/36497
632 * decl.c (variable_decl): Use gfc_add_type for cray pointees.
633
634 2018-06-01 Steven G. Kargl <kargl@gcc.gnu.org>
635
636 PR fortran/63570
637 * check.c (gfc_check_random_init): New function. Check arguments of
638 RANDOM_INIT.
639 * gfortran.h (GFC_ISYM_RANDOM_INIT): New enum token.
640 * intrinsic.c (add_subroutines): Add RANDOM_INIT to list of
641 subroutines.
642 (gfc_check_intrinsic_standard): Introduce Fortran 2018 check.
643 * intrinsic.h: Add prototypes for gfc_check_random_init and
644 gfc_resolve_random_init
645 * intrinsic.texi: Document new intrinsic subprogram.
646 * iresolve.c (gfc_resolve_random_init): Resolve routine name.
647 * trans-decl.c: Declare gfor_fndecl_random_init
648 * trans-intrinsic.c (conv_intrinsic_random_init): New function.
649 Translate call to RANDOM_INIT.
650 (gfc_conv_intrinsic_subroutine): Call it.
651 * trans.h: Declare gfor_fndecl_random_init
652
653 2018-05-27 Steven G. Kargl <kargl@gcc.gnu.org>
654
655 * decl.c (match_data_constant): Fortran 2018 allows pointer
656 initialization in a data statement.
657
658 2018-05-25 Janus Weil <janus@gcc.gnu.org>
659
660 PR fortran/85839
661 * match.c (gfc_match_block_data): Call gfc_notify_std to warn about
662 an obsolescent feature in Fortran 2018.
663 (gfc_match_equivalence): Ditto.
664 * resolve.c (resolve_common_blocks): Ditto.
665 (gfc_resolve_forall): Ditto.
666 * symbol.c (gfc_define_st_label): Ditto.
667
668 2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org>
669
670 PR fortran/85543
671 * resolve.c (update_current_proc_array_outer_dependency): Avoid NULL
672 pointer dereference.
673
674 2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org>
675
676 PR fortran/85780
677 * resolve.c (resolve_fl_procedure): Avoid NULL dereference.
678
679 2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org>
680
681 PR fortran/85779
682 * decl.c (gfc_match_derived_decl): Fix NULL point dereference.
683
684 2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org>
685
686 PR fortran/85895
687 * resolve.c (resolve_sync): Resolve expression before checking for
688 an error.
689
690 2018-05-22 Janus Weil <janus@gcc.gnu.org>
691
692 PR fortran/85841
693 * libgfortran.h: Remove the macros GFC_STD_F2008_TS and
694 GFC_STD_OPT_F08TS.
695 * error.c (notify_std_msg): Remove GFC_STD_F2008_TS.
696 * options.c (set_default_std_flags): Ditto.
697 (gfc_handle_option): Make -std=f2008ts an alias for -std=f2018.
698 * array.c (gfc_match_array_spec): Replace GFC_STD_F2008_TS by
699 GFC_STD_F2018.
700 * check.c (gfc_check_atomic, gfc_check_event_query,
701 gfc_check_c_f_pointer, gfc_check_c_f_procpointer, gfc_check_c_funloc,
702 gfc_check_c_loc, gfc_check_num_images, gfc_check_this_image): Ditto.
703 * decl.c (gfc_verify_c_interop_param, gfc_match_decl_type_spec): Ditto.
704 * intrinsic.c (add_functions, add_subroutines,
705 gfc_check_intrinsic_standard): Ditto.
706 * iso-c-binding.def: Ditto.
707 * iso-fortran-env.def: Ditto.
708 * match.c (gfc_match_event_post, gfc_match_event_wait,
709 gfc_match_fail_image, gfc_match_form_team, gfc_match_change_team,
710 gfc_match_end_team, gfc_match_sync_team): Ditto.
711 * gfortran.texi: Remove mention of -std=f2008ts.
712 Move TSs into F2018 section.
713 * invoke.texi: Update documentation of -std=f2008ts.
714
715 2018-05-21 Janus Weil <janus@gcc.gnu.org>
716
717 PR fortran/85841
718 * libgfortran.h: New macros GFC_STD_OPT_*.
719 * error.c (notify_std_msg): New function.
720 (gfc_notify_std): Adjust such that it can handle combinations of
721 GFC_STD_* flags in the 'std' argument, not just a single one.
722 * match.c (match_arithmetic_if, gfc_match_if): Reject arithmetic if
723 in Fortran 2018.
724 (gfc_match_stopcode): Use GFC_STD_OPT_* macros.
725 * options.c (set_default_std_flags): Warn for F2018 deleted features
726 by default.
727 (gfc_handle_option): F2018 deleted features are allowed in earlier
728 standards.
729 * symbol.c (gfc_define_st_label, gfc_reference_st_label): Reject
730 nonblock do constructs in Fortran 2018.
731
732 2018-05-20 Paul Thomas <pault@gcc.gnu.org>
733
734 PR fortran/80657
735 * resolve.c (flag_fn_result_spec): Use the 'sym' argument to
736 test for self refs to the function result in the character len
737 expression. If a self reference is found, emit an error and
738 return true.
739 (resolve_fntype): Use the function symbol in the calls to the
740 above.
741
742 2018-05-20 Paul Thomas <pault@gcc.gnu.org>
743
744 PR fortran/49636
745 * trans-array.c (gfc_get_array_span): Renamed from
746 'get_array_span'.
747 (gfc_conv_expr_descriptor): Change references to above.
748 * trans-array.h : Add prototype for 'gfc_get_array_span'.
749 * trans-intrinsic.c (gfc_conv_associated): Add pre and post
750 blocks for 'arg1'.
751 * trans-stmt.c (trans_associate_var): If the associate name is
752 a subref array pointer, use gfc_get_array_span for the span.
753
754 2018-05-20 Paul Thomas <pault@gcc.gnu.org>
755
756 PR fortran/82275
757 * match.c (gfc_match_type_spec): Go through the array ref and
758 decrement 'rank' for every dimension that is an element.
759
760 2018-05-19 Paul Thomas <pault@gcc.gnu.org>
761
762 PR fortran/82923
763 PR fortran/66694
764 PR fortran/82617
765 * trans-array.c (gfc_alloc_allocatable_for_assignment): Set the
766 charlen backend_decl of the rhs expr to ss->info->string_length
767 so that the value in the current scope is used.
768
769 2018-05-13 Steven G. Kargl <kargl@gcc.gnu.org>
770
771 PR fortran/63529
772 * gfortran.texi: Clarify documentation for Cray pointer and
773 assumed-sized array.
774
775 2018-05-13 Paul Thomas <pault@gcc.gnu.org>
776
777 PR fortran/85742
778 * trans-types.c (gfc_get_dtype_rank_type): Reorder evaluation
779 of 'size'. If the element type is a pointer use the size of the
780 TREE_TYPE of the type, unless it is VOID_TYPE. In this latter
781 case, set the size to zero.
782
783 2018-05-13 Steven G. Kargl <kargl@gcc.gnu.org>
784
785 * gfortran.h: Remove prototype.
786 * symbol.c (gfc_new_undo_checkpoint): Remove unused function.
787
788 2018-05-11 Steven G. Kargl <kargl@gcc.gnu.org>
789
790 PR fortran/85542
791 * expr.c (check_inquiry): Avoid NULL pointer dereference.
792
793 2018-05-10 Steven G. Kargl <kargl@gcc.gnu.org>
794
795 PR fortran/85687
796 * check.c (gfc_check_rank): Check that the argument is a data object.
797
798 2018-05-10 Steven G. Kargl <kargl@gcc.gnu.org>
799
800 PR fortran/85521
801 * array.c (gfc_resolve_character_array_constructor): Substrings
802 with upper bound smaller than lower bound are zero length strings.
803
804 2018-05-10 Steven G. Kargl <kargl@gcc.gnu.org>
805
806 PR fortran/70870
807 * data.c (gfc_assign_data_value): Check that a data object does
808 not also have default initialization.
809
810 2018-05-10 Marek Polacek <polacek@redhat.com>
811
812 PR fortran/85735
813 * options.c (gfc_post_options): Set main_input_filename.
814
815 2018-05-10 Thomas Koenig <tkoenig@gcc.gnu.org>
816
817 PR fortran/54613
818 * intrinsic.texi: Document BACK for MINLOC and MAXLOC.
819
820 2018-05-10 Paul Thomas <pault@gcc.gnu.org>
821
822 PR fortran/68846
823 PR fortran/70864
824 * resolve.c (get_temp_from_expr): The temporary must not have
825 dummy or intent attributes.
826
827 2018-05-08 Thomas Koenig <tkoenig@gcc.gnu.org>
828
829 PR fortran/54613
830 * check.c (gfc_check_minmaxloc): Remove error for BACK not being
831 implemented. Use gfc_logical_4_kind for BACK.
832 * simplify.c (min_max_choose): Add optional argument back_val.
833 Handle it.
834 (simplify_minmaxloc_to_scalar): Add argument back_val. Pass
835 back_val to min_max_choose.
836 (simplify_minmaxloc_to_nodim): Likewise.
837 (simplify_minmaxloc_to_array): Likewise.
838 (gfc_simplify_minmaxloc): Add argument back, handle it.
839 Pass back_val to specific simplification functions.
840 (gfc_simplify_minloc): Remove ATTRIBUTE_UNUSED from argument back,
841 pass it on to gfc_simplify_minmaxloc.
842 (gfc_simplify_maxloc): Likewise.
843 * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Adjust
844 comment. If BACK is true, use greater or equal (or lesser or
845 equal) insteal of greater (or lesser). Mark the condition of
846 having found a value which exceeds the limit as unlikely.
847
848 2018-05-07 Jeff Law <law@redhat.comg>
849
850 * scanner.c (preprocessor_line): Call linemap_add after a line
851 directive that changes the current filename.
852
853 2018-05-06 Andre Vehreschild <vehre@gcc.gnu.org>
854
855 PR fortran/85507
856 * dependency.c (gfc_dep_resolver): Revert looking at coarray dimension
857 introduced by r259385.
858 * trans-intrinsic.c (conv_caf_send): Always report a dependency for
859 same variables in coarray assignments.
860
861 2018-05-02 Tom de Vries <tom@codesourcery.com>
862
863 PR libgomp/82428
864 * f95-lang.c (DEF_GOACC_BUILTIN_ONLY): Define.
865
866 2018-04-24 Steven G. Kargl <kargl@gcc.gnu.org>
867
868 PR fortran/85520
869 * decl.c (gfc_match_char_spec): Check for negative length and set to 0.
870
871 2018-04-14 Andre Vehreschild <vehre@gcc.gnu.org>
872
873 PR fortran/81773
874 PR fortran/83606
875 * dependency.c (gfc_dep_resolver): Coarray indexes are to be ignored
876 during dependency computation. They define no data dependency.
877 * trans-array.c (conv_array_index_offset): The stride can not be set
878 here, prevent fail.
879 * trans-intrinsic.c (conv_caf_send): Add creation of temporary array
880 for caf_get's result and copying to the array with vectorial
881 indexing.
882
883 2018-04-14 Thomas Koenig <tkoenig@gcc.gnu.org>
884
885 PR fortran/85387
886 * frontend-passes.c (traverse_io_block): Check for start, end or
887 stride being defined by an outer implied DO loop.
888
889 2018-04-12 Thomas Koenig <tkoenig@gcc.gnu.org>
890
891 PR fortran/83064
892 PR testsuite/85346
893 * trans-stmt.c (gfc_trans_forall_loop): Use annot_expr_ivdep_kind
894 for annotation and remove dependence on -ftree-parallelize-loops.
895
896 2018-04-10 Jakub Jelinek <jakub@redhat.com>
897
898 PR fortran/85313
899 * openmp.c (resolve_omp_do): Remove bogus if (j < i) break;.
900 (resolve_oacc_nested_loops): Likewise. Formatting fix.
901
902 2018-04-09 Thomas Koenig <tkoenig@gcc.gnu.org>
903
904 PR fortran/83064
905 * trans-stmt.c (gfc_trans_forall_loop): Remove annotation for
906 parallell processing of DO CONCURRENT -ftree-parallelize-loops
907 is set.
908
909 2018-04-09 Thomas Koenig <tkoenig@gcc.gnu.org>
910
911 PR fortran/51260
912 * resolve.c (resolve_variable): Simplify cases where access to a
913 parameter array results in a single constant.
914
915 2018-04-02 Thomas Koenig <tkoenig@gcc.gnu.org>
916
917 PR fortran/85102
918 * decl.c (variable_decl): If upper or lower bounds simplify
919 to a constant, use that.
920
921 2018-03-30 Paul Thomas <pault@gcc.gnu.org>
922
923 PR fortran/84931
924 * simplify.c (gfc_convert_constant): Handle case of array
925 constructors within an array that has no iterator and improve
926 the conciseness of this section of code.
927
928 2017-03-30 Thomas Koenig <tkoenig@gcc.gnu.org>
929
930 PR fortran/85111
931 * array.c (gfc_resolve_character_array_constructor): Early
932 exit for zero-size arrays.
933 * simplify.c (simplify_transformation_to_array): Exit early
934 if the result size is zero.
935 (simplify_minmaxloc_to_array): Likewise.
936
937 2018-03-28 Mikael Morin <mikael@gcc.gnu.org>
938
939 PR fortran/69497
940 * symbol.c (gfc_symbol_done_2): Start freeing namespaces
941 from the root.
942 (gfc_free_namespace): Restore assert (revert r258839).
943
944 2018-03-28 Jakub Jelinek <jakub@redhat.com>
945
946 * gfortran.h (gfc_dt): Rename default_exp field to dec_ext.
947 * ioparm.def (IOPARM_dt_default_exp): Rename to ...
948 (IOPARM_dt_dec_ext): ... this.
949 * trans-io.c (build_dt): Adjust for default_exp renaming to
950 dec_ext and IOPARM_dt_default_exp renaming to IOPARM_dt_dec_ext.
951 * io.c (match_io): Likewise.
952
953 2018-03-27 Thomas Koenig <tkoenig@gcc.gnu.org>
954
955 PR fortran/85084
956 * frontend-passes.c (gfc_run_passes): Do not run front-end
957 optimizations if a previous error occurred.
958
959 2018-03-27 Thomas Koenig <tkoenig@gcc.gnu.org>
960 Harald Anlauf <anlauf@gmx.de>
961
962 PR fortran/85083
963 * primary.c (gfc_convert_to_structure_constructor): Check
964 conformance of argument types in structure constructor.
965
966 2018-03-26 Thomas Koenig <tkoenig@gcc.gnu.org>
967
968 PR fortran/66709
969 * io.c: Include constructor.h.
970 (resolve_tag_format): For a constant character array, concatenate
971 into a single character expression.
972
973 2018-03-25 Seth Johnson <johnsonsr@ornl.gov>
974 Dominique d'Humieres <dominiq@gcc.gnu.org>
975
976 PR fortran/84924
977 * check.c (gfc_check_c_f_pointer): Allow scalar noninteroperable
978 scalar derived type with -std=f2003 and -std=f2008.
979
980 2018-03-24 Jerry DeLisle <jvdelisle@gcc.gnu.org>
981 Dominique d'Humieres <dominiq@gcc.gnu.org>
982
983 PR fortran/69497
984 * symbol.c (gfc_free_namespace): Delete the assert and only if
985 refs count is equals zero, free the namespace. Otherwise,
986 something is halfway and other errors will resound.
987
988 2018-03-24 Thomas Koenig <tkoenig@gcc.gnu.org>
989
990 PR fortran/70068
991 * expr.c (find_substring_ref): Change types of start, end
992 and length variables to gfc_charlen_t. Set length to zero
993 for empty substring.
994
995 2018-03-24 Steven G. Kargl <kargl@gcc.gnu.org>
996
997 PR fortran/42651
998 * decl.c (check_function_name): Improved error message
999 (gfc_match_volatile, gfc_match_asynchronous) Use check_function_name.
1000
1001 2018-03-22 Steven G. Kargl <kargl@gcc.gnu.org>
1002
1003 PR fortran/84922
1004 * decl.c (get_proc_name): If the MODULE prefix appears in interface
1005 body, then it must appear on the contained subroutine or function.
1006 While here, fix nearby mis-indented code.
1007
1008 2018-03-21 Thomas Koenig <tkoenig@gcc.gnu.org>
1009 Harald Anlauf <anlauf@gmx.de>
1010
1011 PR fortran/84957
1012 * trans-types.c (gfc_sym_type): Do not dereference NULL pointer.
1013
1014 2018-03-21 Janne Blomqvist <jb@gcc.gnu.org>
1015
1016 PR fortran/84615
1017 * trans-expr.c (gfc_conv_procedure_call): Convert charlen to
1018 gfc_charlen_type_node when calling procedure.
1019
1020 2018-03-20 Steven G. Kargl <kargl@gcc.gnu.org>
1021
1022 PR fortran/85001
1023 * interface.c (symbol_rank): Remove bogus null pointer check that
1024 crept in when translating a ternary operator into an if-else
1025 constructor.
1026
1027 2018-03-19 Thomas Koenig <tkoenig@gcc.gnu.org>
1028
1029 PR fortran/84931
1030 * simplify.c (gfc_convert_constant): Correctly handle iterators
1031 for type conversion.
1032
1033 2018-03-18 Steven G. Kargl <kargl@gcc.gnu.org>
1034
1035 PR fortran/77414
1036 * decl.c (get_proc_name): Check for a subroutine re-defined in
1037 the contain portion of a subroutine. Change language of existing
1038 error message to better describe the issue. While here fix whitespace
1039 issues.
1040
1041 2018-03-18 Steven G. Kargl <kargl@gcc.gnu.org>
1042
1043 PR fortran/65453
1044 * decl.c (get_proc_name): Catch clash between a procedure statement
1045 and a contained subprogram
1046
1047 2018-03-16 Steven G. Kargl <kargl@gcc.gnu.org>
1048
1049 PR fortran/69395
1050 * decl.c (merge_array_spec): Correct the error condition.
1051
1052 2018-03-15 Steven G. Kargl <kargl@gcc.gnu.org>
1053
1054 PR fortran/78741
1055 * decl.c (get_proc_name): Check for clash of entry name with
1056 subroutine name.
1057
1058 2018-03-15 Steven G. Kargl <kargl@gcc.gnu.org>
1059
1060 PR fortran/69395
1061 * decl.c (merge_array_spec): Limit the merging to maximum allowed
1062 dimensions, and issue error message if limit is exceeded.
1063
1064 2018-03-13 Steven G. Kargl <kargl@gcc.gnu.org>
1065
1066 * check.c (gfc_check_kill_sub): Remove check for INTEGER(4) or (8).
1067 * intrinsic.c (add_functions): Remove reference to gfc_resolve_kill.
1068 (add_subroutines): Remove reference to gfc_resolve_kill_sub.
1069 * intrinsic.texi: Update documentation.
1070 * iresolve.c (gfc_resolve_kill, gfc_resolve_kill_sub): Remove.
1071 * trans-decl.c (gfc_build_intrinsic_function_decls): Add
1072 gfor_fndecl_kill and gfor_fndecl_kill_sub
1073 * trans-intrinsic.c (conv_intrinsic_kill, conv_intrinsic_kill_sub): new
1074 functions.
1075 (gfc_conv_intrinsic_function): Use conv_intrinsic_kill.
1076 (gfc_conv_intrinsic_subroutine): Use conv_intrinsic_kill_sub.
1077 * trans.h: Declare gfor_fndecl_kill and gfor_fndecl_kill_sub.
1078
1079 2018-03-11 Paul Thomas <pault@gcc.gnu.org>
1080
1081 PR fortran/84546
1082 * trans-array.c (structure_alloc_comps): Make sure that the
1083 vptr is copied and that the unlimited polymorphic _len is used
1084 to compute the size to be allocated.
1085 * trans-expr.c (gfc_get_class_array_ref): If unlimited, use the
1086 unlimited polymorphic _len for the offset to the element.
1087 (gfc_copy_class_to_class): Set the new 'unlimited' argument.
1088 * trans.h : Add the boolean 'unlimited' to the prototype.
1089
1090 2018-03-11 Steven G. Kargl <kargl@gcc.gnu.org>
1091
1092 PR fortran/83939
1093 * resolve.c (resolve_fl_procedure): Enforce F2018:C15100.
1094
1095 2018-03-11 Steven G. Kargl <kargls@gcc.gnu.org>
1096
1097 * check.c (gfc_check_kill): Check pid and sig are scalar.
1098 (gfc_check_kill_sub): Restrict kind to 4 and 8.
1099 * intrinsic.c (add_function): Sort keyword list. Add pid and sig
1100 keywords for KILL. Remove redundant *back="back" in favor of the
1101 original *bck="back".
1102 (add_subroutines): Sort keyword list. Add pid and sig keywords
1103 for KILL.
1104 * intrinsic.texi: Fix documentation to consistently use pid and sig.
1105 * iresolve.c (gfc_resolve_kill): Kind can only be 4 or 8. Choose the
1106 correct function.
1107 (gfc_resolve_rename_sub): Add comment.
1108
1109 2018-03-11 Thomas Koenig <tkoenig@gcc.gnu.org>
1110
1111 PR fortran/66128
1112 * simplify.c (simplify_transformation): Return default result for
1113 empty array argument.
1114 (gfc_simplify_all): Remove special-case handling for zerosize.
1115 (gfc_simplify_any): Likewise.
1116 (gfc_simplify_count): Likewise.
1117 (gfc_simplify_iall): Likewise.
1118 (gfc_simplify_iany): Likewise.
1119 (gfc_simplify_iparity): Likewise.
1120 (gfc_simplify_minval): Likewise.
1121 (gfc_simplify_maxval): Likewise.
1122 (gfc_simplify_norm2): Likewise.
1123 (gfc_simplify_product): Likewise.
1124 (gfc_simplify_sum): Likewise.
1125
1126 2018-03-10 Steven G. Kargl <kargl@gcc.gnu.org>
1127
1128 PR fortran/84734
1129 * arith.c (check_result, eval_intrinsic): If result overflows, pass
1130 the expression up the chain instead of a NULL pointer.
1131
1132 2018-03-07 Steven G. Kargl <kargl@gcc.gnu.org>
1133
1134 PR fortran/64124
1135 PR fortran/70409
1136 * decl.c (gfc_match_char_spec): Try to reduce a charlen to a constant.
1137
1138 2017-03-06 Thomas Koenig <tkoenig@gcc.gnu.org>
1139
1140 PR fortran/84697
1141 PR fortran/66128
1142 * expr.c (simplify_parameter_variable): If p is a size zero array
1143 and not an ARRAY_EXPR insert an empty array constructor and
1144 return.
1145 * gfortran.h: Add prototype for gfc_is_size_zero_array.
1146 * simplify.c (is_size_zero_array): Make non-static and rename into
1147 (gfc_is_size_zero_array): Check for parameter arrays of zero
1148 size by comparing shape and absence of constructor.
1149 (gfc_simplify_all): Use gfc_is_size_zero_array instead of
1150 is_size_zero_array.
1151 (gfc_simplify_count): Likewise.
1152 (gfc_simplify_iall): Likewise.
1153 (gfc_simplify_iany): Likewise.
1154 (gfc_simplify_iparity): Likewise.
1155 (gfc_simplify_minval): Likewise.
1156 (gfc_simplify_maxval): Likewise.
1157 (gfc_simplify_product): Likewise.
1158 (gfc_simplify_sum): Likewise.
1159
1160 2018-03-06 Steven G. Kargl <kargl@gcc.gnu.org>
1161
1162 PR fortran/56667
1163 * primary.c (match_sym_complex_part): Give the matcher for an implied
1164 do-loop a chance to run.
1165
1166 2018-03-03 Harald Anlauf <anlauf@gmx.de>
1167
1168 PR fortran/71085
1169 * trans-expr.c (gfc_apply_interface_mapping_to_expr): Do not
1170 dereference NULL pointer.
1171
1172 2018-03-03 Steven G. Kargl <kargl@gcc.gnu.org>
1173
1174 PR fortran/66128
1175 * simplify.c (is_size_zero_array): New function to check for size
1176 zero array.
1177 (gfc_simplify_all, gfc_simplify_any, gfc_simplify_count,
1178 gfc_simplify_iall, gfc_simplify_iany, gfc_simplify_iparity,
1179 gfc_simplify_minval, gfc_simplify_maxval, gfc_simplify_norm2,
1180 gfc_simplify_product, gfc_simplify_sum): Use it, and implement
1181 requirements from F2018.
1182
1183 2018-03-03 Steven G. Kargl <kargl@gcc.gnu.org>
1184
1185 PR fortran/51434
1186 * simplify.c (gfc_simplify_transfer): Resolve mold.
1187
1188 2018-03-03 Paul Thomas <pault@gcc.gnu.org>
1189
1190 PR fortran/80965
1191 * resolve.c (build_loc_call): Change symtree name from 'loc' to
1192 '_loc'.
1193
1194 2018-03-01 Paul Thomas <pault@gcc.gnu.org>
1195
1196 PR fortran/84219
1197 * target-memory.c (gfc_interpret_derived): Assert that BT_VOID
1198 components are caf tokens.
1199 (gfc_target_interpret_expr): Treat BT_VOID expressions as
1200 integers.
1201
1202 2018-03-01 Paul Thomas <pault@gcc.gnu.org>
1203
1204 PR fortran/84538
1205 * class.c (class_array_ref_detected): Remove the condition that
1206 there be no reference after the array reference.
1207 (find_intrinsic_vtab): Remove excess whitespace.
1208 * trans-array.c (gfc_conv_scalarized_array_ref): Rename 'tmp'
1209 as 'base and call build_class_array_ref earlier.
1210
1211 2018-02-28 Paul Thomas <pault@gcc.gnu.org>
1212
1213 PR fortran/83901
1214 * trans-stmt.c (trans_associate_var): Make sure that the se
1215 expression is a pointer type before converting it to the symbol
1216 backend_decl type.
1217
1218 2018-02-25 Steven G. Kargl <kargl@gcc.gnu.org>
1219
1220 PR fortran/83633
1221 * decl.c (variable_decl): Check that an explicit-shape-array with
1222 nonconstant bounds is allowed.
1223
1224 2018-02-25 Paul Thomas <pault@gcc.gnu.org>
1225
1226 PR fortran/84523
1227 * trans-intrinsic.c (gfc_conv_allocated): If the argument se
1228 has a pre block, add it to the expression pre block.
1229
1230 2018-02-25 Thomas Koenig <tkoenig@gcc.gnu.org>
1231
1232 PR fortran/78238
1233 * gfortran.h (gfc_integer_4_kind): Define.
1234 * resolve.c (resolve_select_type): Make sure that the
1235 kind of c->high is gfc_integer_4_kind.
1236
1237 2018-02-24 Steven G. Kargl <kargl@gcc.gnu.org>
1238
1239 PR fortran/30792
1240 * decl.c (gfc_match_data): Check for invalid substring in
1241 data-implied-do
1242
1243 2018-02-23 Steven G. Kargl <kargl@gcc.gnu.org>
1244
1245 * intrinsic.texi: Arguments to MATMUL cannot both be rank one.
1246
1247 2018-02-23 Steven G. Kargl <kargl@gcc.gnu.org>
1248
1249 PR fortran/84511
1250 * trans-io.c (transfer_expr): Deal with C_LOC in transfer statement.
1251
1252 2018-02-23 Steven G. Kargl <kargl@gcc.gnu.org>
1253
1254 PR fortran/84346
1255 * interface.c (compare_actual_formal): Issue error if keyword is
1256 used in a statement function.
1257
1258 2018-02-23 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1259
1260 PR fortran/84506
1261 * trans-io.c (set_parameter_value_inquire): Adjust range check of
1262 negative unit values for kind=8 units to the kind=4 negative limit.
1263
1264 2018-02-23 Paul Thomas <pault@gcc.gnu.org>
1265
1266 PR fortran/83149
1267 * trans-types.c (gfc_sym_type): Test sym->ns->proc_name before
1268 accessing its components.
1269
1270 2018-02-23 Paul Thomas <pault@gcc.gnu.org>
1271
1272 PR fortran/83149
1273 * trans-decl.c (gfc_finish_var_decl): Test sym->ns->proc_name
1274 before accessing its components.
1275
1276 2018-02-23 Paul Thomas <pault@gcc.gnu.org>
1277
1278 PR fortran/83148
1279 * trans-const.c : Clean up some whitespace issues.
1280 * trans-expr.c (gfc_conv_initializer): If an iso_c_binding
1281 derived type has a kind value of zero, set it to the default
1282 integer kind.
1283
1284 2018-02-23 Janne Blomqvist <jb@gcc.gnu.org>
1285
1286 PR fortran/84519
1287 * trans-decl.c (gfc_build_builtin_function_decls): Add bool
1288 argument to stop and error stop decls.
1289 * trans-stmt.c (gfc_trans_stop): Add false value to argument
1290 lists.
1291
1292 2018-02-22 Janne Blomqvist <jb@gcc.gnu.org>
1293
1294 PR 78534
1295 PR 84509
1296 * trans-decl.c (gfc_build_builtin_function_decls): Pass
1297 gfc_int8_type node to pause_numeric, size_type_node to
1298 pause_string.
1299 * trans-stmt.c (gfc_trans_pause): Likewise.
1300
1301 2018-02-22 Janne Blomqvist <jb@gcc.gnu.org>
1302
1303 * gfortran.texi: Update Coarray API description.
1304 * trans-decl.c (gfc_build_builtin_function_decls): Use size_t for
1305 character lengths, int for exit codes.
1306 (generate_coarray_sym_init): Use size_t for character length.
1307 * trans-intrinsic.c (conv_co_collective): Likewise.
1308 * trans-stmt.c (gfc_trans_lock_unlock): Likewise.
1309 (gfc_trans_event_post_wait): Likewise.
1310 (gfc_trans_sync): Likewise.
1311 (gfc_trans_stop): Use size_t for character lengths, int for exit
1312 codes.
1313
1314 2018-02-20 Thomas Koenig <tkoenig@gcc.gnu.org>
1315
1316 PR fortran/48890
1317 PR fortran/83823
1318 * primary.c (gfc_convert_to_structure_constructor):
1319 For a constant string constructor, make sure the length
1320 is correct.
1321
1322 2018-02-19 Paul Thomas <pault@gcc.gnu.org>
1323
1324 PR fortran/83344
1325 PR fortran/83975
1326 * resolve.c (resolve_assoc_var): Rearrange the logic for the
1327 determination of the character length of associate names. If
1328 the associate name is missing a length expression or the length
1329 expression is not a constant and the target is not a variable,
1330 make the associate name allocatable and deferred length.
1331 * trans-decl.c (gfc_get_symbol_decl): Null the character length
1332 backend_decl for deferred length associate names that are not
1333 variables. Set 'length' to gfc_index_zero_node for character
1334 associate names, whose character length is a PARM_DECL.
1335
1336 2018-02-19 Thomas Koenig <tkoenig@gcc.gnu.org>
1337
1338 PR fortran/35339
1339 * frontend-passes.c (traverse_io_block): Remove workaround for
1340 PR 80945.
1341
1342 2018-02-19 Andre Vehreschild <vehre@gcc.gnu.org>
1343
1344 * gfortran.texi: Document additional src/dst_type. Fix some typos.
1345 * trans-decl.c (gfc_build_builtin_function_decls): Declare the new
1346 argument of _caf_*_by_ref () with * e { get, send, sendget }.
1347 * trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Add the type of the
1348 data referenced when generating a call to caf_get_by_ref ().
1349 (conv_caf_send): Same but for caf_send_by_ref () and
1350 caf_sendget_by_ref ().
1351
1352 2018-02-18 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1353
1354 PR fortran/84389
1355 * io.c (check_format): Allow FMT_COLON.
1356
1357 2018-02-18 Paul Thomas <pault@gcc.gnu.org>
1358
1359 PR fortran/80945
1360 * trans-array.c (gfc_conv_expr_descriptor): Set parmtype from
1361 the typenode in the case of deferred length characters.
1362
1363 2018-02-17 Thomas Koenig <tkoenig@gcc.gnu.org>
1364
1365 PR fortran/84270
1366 * frontend-passes (scalarized_expr): If the expression
1367 is an assumed size array, leave in the last reference
1368 and pass AR_SECTION instead of AR_FULL to gfc_resolve
1369 in order to avoid an error.
1370
1371 2018-02-17 Paul Thomas <pault@gcc.gnu.org>
1372
1373 PR fortran/84115
1374 * resolve.c (resolve_assoc_var): If a non-constant target expr.
1375 has no string length expression, make the associate variable
1376 into a deferred length, allocatable symbol.
1377 * trans-decl.c (gfc_is_reallocatable_lhs): Add and use a ptr to
1378 the symbol.
1379 * trans-stmt.c (trans_associate_var): Null and free scalar
1380 associate names that are allocatable. After assignment, remove
1381 the allocatable attribute to prevent reallocation.
1382
1383 2018-02-16 Jakub Jelinek <jakub@redhat.com>
1384
1385 PR fortran/84418
1386 * trans-openmp.c (gfc_trans_omp_clauses): For OMP_CLAUSE_LINEAR_REF
1387 kind set OMP_CLAUSE_LINEAR_STEP to TYPE_SIZE_UNIT times last_step.
1388
1389 2018-02-16 Dominique d'Humieres <dominiq@gcc.gnu.org>
1390
1391 PR fortran/84354
1392 * decl.c (gfc_get_pdt_instance): Replace '%qs' with %qs.
1393
1394 2018-02-15 Janus Weil <janus@gcc.gnu.org>
1395
1396 PR fortran/84409
1397 * interface.c (check_dtio_arg_TKR_intent): Add a check for character
1398 length.
1399
1400 2018-02-14 Janus Weil <janus@gcc.gnu.org>
1401
1402 PR fortran/84385
1403 * match.c (gfc_match_select_type): Fix check for selector in
1404 SELECT TYPE statement.
1405
1406 2018-02-13 Janus Weil <janus@gcc.gnu.org>
1407
1408 PR fortran/84313
1409 * symbol.c (check_conflict): Reject procedure pointers in common blocks.
1410
1411 2018-02-13 Alastair McKinstry <alastair.mckinstry@sceal.ie>
1412 Janne Blomqvist <jb@gcc.gnu.org>
1413
1414 * module.c (dump_module): Use lbasename to ensure that module
1415 files are reproducible.
1416
1417 2018-02-12 Janus Weil <janus@gcc.gnu.org>
1418
1419 PR fortran/84273
1420 * resolve.c (resolve_component): Fix checks of passed argument in
1421 procedure-pointer components.
1422
1423 2018-02-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1424
1425 PR fortran/35299
1426 * resolve.c (resolve_formal_arglist): Update error message.
1427
1428 2018-02-11 Andre Vehreschild <vehre@gcc.gnu.org>
1429
1430 * gfortran.texi: Fix typos in documentation of caf_register ().
1431 * trans-array.c (structure_alloc_comps): Only register a component of
1432 a derived typed corray, not of an ultimate component coarray.
1433
1434 2018-02-11 Steven G. Kargl <kargl@gcc.gnu.org>
1435
1436 PR fortran/54223
1437 PR fortran/84276
1438 * interface.c (compare_actual_formal): Add in_statement_function
1439 bool parameter. Skip check of INTENT attribute for statement
1440 functions. Arguments to a statement function cannot be optional,
1441 issue error for missing argument.
1442 (gfc_procedure_use, gfc_ppc_use, gfc_arglist_matches_symbol): Use
1443 in_statement_function.
1444
1445 2018-02-11 Paul Thomas <pault@gcc.gnu.org>
1446
1447 PR fortran/84074
1448 * trans-expr.c (gfc_conv_derived_to_class): Set the use_offset
1449 flag. If the is a vector subscript or the expression is not a
1450 variable, make the descriptor one-based.
1451
1452 2018-02-10 Paul Thomas <pault@gcc.gnu.org>
1453
1454 PR fortran/84141
1455 PR fortran/84155
1456 * trans-array.c (gfc_array_init_size): Revert the change made
1457 in revision 257356 setting the dtype.
1458 * trans-types.c (gfc_get_dtype): Do not use the cached dtype.
1459 Call gfc_get_dtype_rank_type every time.
1460
1461 PR fortran/56691
1462 * trans-array.c (gfc_conv_expr_descriptor): If the source array
1463 is a descriptor type, use its offset, removing the condition
1464 that is be a class expression.
1465
1466 2018-02-07 Steven G. Kargl <kargl@gcc.gnu.org>
1467
1468 PR fortran/82994
1469 * match.c (gfc_match_deallocate): Check for NULL pointer.
1470
1471 2018-02-07 Thomas Koenig <tkoenig@gcc.gnu.org>
1472
1473 PR fortran/68560
1474 * trans-intrinsic.c (gfc_conv_intrinsic_shape): New function.
1475 (gfc_conv_intrinsic_function): Call it.
1476
1477 2018-02-07 Steven G. Kargl <kargl@gcc.gnu.org>
1478
1479 PR fortran/82049
1480 * match.c (gfc_match_type_spec): If the charlen is non-NULL, then
1481 try to resolve it. While here return early if possible.
1482
1483 2018-02-04 Paul Thomas <pault@gcc.gnu.org>
1484
1485 PR fortran/84115
1486 * trans-decl.c (gfc_get_symbol_decl): Do not finish the decl of
1487 'length' if the symbol charlen backend_decl is an indirect ref.
1488
1489 2018-02-03 Paul Thomas <pault@gcc.gnu.org>
1490
1491 PR fortran/84141
1492 PR fortran/84155
1493 * trans-array.c (gfc_array_init_size): Instead of gfc_get_dtype
1494 use gfc_get_dtype_rank_type.
1495
1496 2018-02-01 Janne Blomqvist <jb@gcc.gnu.org>
1497
1498 PR 83975
1499 PR 83344
1500 * resolve.c (resolve_assoc_var): Generate an error if
1501 target length unknown.
1502
1503 2018-02-01 Janne Blomqvist <jb@gcc.gnu.org>
1504
1505 PR fortran/83705
1506 * simplify.c (gfc_simplify_repeat): Increase limit for deferring
1507 to runtime, print a warning message.
1508
1509 2018-01-31 Jakub Jelinek <jakub@redhat.com>
1510
1511 PR fortran/84116
1512 * openmp.c (gfc_match_omp_clauses): If all the linear
1513 gfc_match_omp_variable_list calls failed, don't gfc_free_omp_namelist
1514 nor set *head = NULL. Formatting fixes.
1515
1516 2018-01-31 Paul Thomas <pault@gcc.gnu.org>
1517
1518 PR fortran/84088
1519 * trans-expr.c (gfc_conv_procedure_call): If the parm expr is
1520 an address expression passed to an assumed rank dummy, convert
1521 to an indirect reference.
1522
1523 2018-01-31 Thomas Koenig <tkoenig@gcc.gnu.org>
1524
1525 * dump-parse-tree.c (write_proc): Use sym_name (which may
1526 be sym->binding_label) instead of sym->name.
1527
1528 2018-01-31 Janne Blomqvist <jb@gcc.gnu.org>
1529
1530 * trans-const.c (gfc_conv_string_init): Use gfc_charlen_t instead
1531 of int for slen.
1532
1533 2018-01-31 Janne Blomqvist <jb@gcc.gnu.org>
1534
1535 PR fortran/78534
1536 * trans-expr.c (fill_with_spaces): Use memset instead of
1537 generating loop.
1538 (gfc_trans_string_copy): Improve opportunity to use builtins with
1539 constant lengths.
1540
1541 2018-01-30 Jakub Jelinek <jakub@redhat.com>
1542
1543 PR debug/84131
1544 * trans-array.c (gfc_get_descriptor_offsets_for_info): Set *data_off
1545 to DATA_FIELD's offset rather than OFFSET_FIELD's offset.
1546
1547 2018-01-30 Thomas Koenig <tkoenig@gcc.gnu.org>
1548
1549 PR fortran/84134
1550 * array.c (gfc_ref_dimen_size): Whitespace fixes. If stride is
1551 zero, return false.
1552
1553 2018-01-30 Thomas Koenig <tkoenig@gcc.gnu.org>
1554
1555 PR fortran/84133
1556 * frontend-passes (matmul_to_var_expr): Return early if
1557 in association list.
1558 (inline_matmul_assign): Likewise.
1559
1560 2017-01-29 Thomas Koenig <tkoenig@gcc.gnu.org>
1561
1562 PR fortran/84073
1563 * resolve.c (resolve_component): Ensure BIND(C) character
1564 components have length one.
1565 (resolve_symbol): Likewise for variables.
1566
1567 2018-01-27 Jakub Jelinek <jakub@redhat.com>
1568
1569 PR fortran/84065
1570 * decl.c (add_init_expr_to_sym): Ignore initializers for too large
1571 lengths.
1572
1573 2018-01-26 Damian Rouson <damian@sourceryinstitute.org>
1574 Alessandro Fanfarillo <fanfarillo.gcc@gmail.com>
1575 Soren Rasmussen <s.c.rasmussen@gmail.com>
1576
1577 Partial support for Fortran 2018 teams features.
1578
1579 * array.c (gfc_match_array_ref): add team attribute in coarray
1580 transfers.
1581 * check.c (gfc_check_get_team, gfc_check_team_number): add new
1582 functions for get_team and team_number.
1583 * dump-parse-tree.c (show_code_node): add new statements: form team,
1584 change team, end team, and sync team.
1585 * expr.c (gfc_find_team_co): add new function.
1586 * gfortran.h: add new statements.
1587 * intrinsic.c (add_functions): add get_team and team_number functions.
1588 * intrinsic.h: add get_team and team_number prototypes for check,
1589 simplify, and resolve.
1590 * iresolve.c (gfc_resolve_get_team, gfc_resolve_team_number): add new
1591 functions.
1592 * iso-fortran-env.def: add the team_type derived type.
1593 * match.c (gfc_match_if, gfc_match_form_team, gfc_match_team_number)
1594 (gfc_match_end_team, gfc_match_sync_team, gfc_match_change_team):
1595 add change team, end team, form team, sync team match and functions.
1596 * match.h: add new prototypes for change team, end team, form team,
1597 and sync team.
1598 * parse.c (decode_statement): add cases for change team, end team,
1599 form team, and sync team.
1600 * resolve.c: add cases for exec form team, change team, end team, and
1601 sync team.
1602 * simplify.c (gfc_simplify_get_team): add new function for get team.
1603 * st.c (gfc_free_statement): add cases exec for change team, end team,
1604 form team, sync team.
1605 * trans-decl.c (gfor_fndecl_caf_form_team)
1606 (gfor_fndecl_caf_change_team, gfor_fndecl_caf_end_team)
1607 (gfor_fndecl_caf_sync_team, gfor_fndecl_caf_get_team)
1608 (gfor_fndecl_caf_team_number): add functions and definitions.
1609 * trans-intrinsic.c (conv_caf_send, conv_intrinsic_team_number): add
1610 new function and team_type argument support.
1611 * trans-stmt.c (gfc_trans_form_team, gfc_trans_change_team)
1612 (gfc_trans_end_team, gfc_trans_sync_team): add new functions.
1613 * trans-stmt.h: add new prototypes.
1614 * trans-types.c (gfc_get_derived_type): check condition for team_type.
1615 * trans.c (trans_code): new exec cases for form team, change team, end
1616 team, and sync team.
1617 * trans.h: add new prototypes.
1618
1619 2018-01-26 Steven G. Kargl <kargl@gcc.gnu.org>
1620
1621 PR fortran/83998
1622 * simplify.c (compute_dot_product): Initialize result to INTEGER(1) 0
1623 or .false. The summation does the correct type conversion.
1624 (gfc_simplify_dot_product): Special case zero-sized arrays.
1625
1626 2018-25-01 Paul Thomas <pault@gcc.gnu.org>
1627
1628 PR fortran/37577
1629 * array.c (gfc_match_array_ref): If standard earlier than F2008
1630 it is an error if the reference dimension is greater than 7.
1631 libgfortran.h : Increase GFC_MAX_DIMENSIONS to 15. Change the
1632 dtype masks and shifts accordingly.
1633 * trans-array.c (gfc_conv_descriptor_dtype): Use the dtype
1634 type node to check the field.
1635 (gfc_conv_descriptor_dtype): Access the rank field of dtype.
1636 (duplicate_allocatable_coarray): Access the rank field of the
1637 dtype descriptor rather than the dtype itself.
1638 * trans-expr.c (get_scalar_to_descriptor_type): Store the type
1639 of 'scalar' on entry and use its TREE_TYPE if it is ARRAY_TYPE
1640 (ie. a character).
1641 (gfc_conv_procedure_call): Pass TREE_OPERAND (tmp,0) to
1642 get_scalar_to_descriptor_type if the actual expression is a
1643 constant.
1644 (gfc_trans_structure_assign): Assign the rank directly to the
1645 dtype rank field.
1646 * trans-intrinsic.c (gfc_conv_intrinsic_rank): Cast the result
1647 to default integer kind.
1648 (gfc_conv_intrinsic_sizeof): Obtain the element size from the
1649 'elem_len' field of the dtype.
1650 * trans-io.c (gfc_build_io_library_fndecls): Replace
1651 gfc_int4_type_node with dtype_type_node where necessary.
1652 (transfer_namelist_element): Use gfc_get_dtype_rank_type for
1653 scalars.
1654 * trans-types.c : Provide 'get_dtype_type_node' to acces the
1655 dtype_type_node and, if necessary, build it.
1656 The maximum size of an array element is now determined by the
1657 maximum value of size_t.
1658 Update the description of the array descriptor, including the
1659 type def for the dtype_type.
1660 (gfc_get_dtype_rank_type): Build a constructor for the dtype.
1661 Distinguish RECORD_TYPEs that are BT_DERIVED or BT_CLASS.
1662 (gfc_get_array_descriptor_base): Change the type of the dtype
1663 field to dtype_type_node.
1664 (gfc_get_array_descr_info): Get the offset to the rank field of
1665 the dtype.
1666 * trans-types.h : Add a prototype for 'get_dtype_type_node ()'.
1667 * trans.h : Define the indices of the dtype fields.
1668
1669 2018-23-01 Paul Thomas <pault@gcc.gnu.org>
1670
1671 PR fortran/83866
1672 * decl.c (gfc_match_derived_decl): If eos not matched, recover
1673 and emit error about garbage after declaration.
1674
1675 2018-23-01 Paul Thomas <pault@gcc.gnu.org>
1676
1677 PR fortran/83898
1678 * trans-stmt.c (trans_associate_var): Do not set cst_array_ctor
1679 for characters.
1680
1681 2018-01-22 Janne Blomqvist <jb@gcc.gnu.org>
1682
1683 PR 78534
1684 PR 83704
1685 * arith.c (gfc_arith_concat): Use size_t for string length.
1686 (gfc_compare_string): Likewise.
1687 (gfc_compare_with_Cstring): Likewise.
1688 * array.c (gfc_resolve_character_array_constructor): Use
1689 HOST_WIDE_INT, gfc_mpz_get_hwi.
1690 * check.c (gfc_check_fe_runtime_error): Use size_t.
1691 * data.c (create_character_initializer): Use HOST_WIDE_INT,
1692 gfc_extract_hwi.
1693 * decl.c (gfc_set_constant_character_len): Use gfc_charlen_t.
1694 (add_init_expr_to_sym): Use HOST_WIDE_INT.
1695 * expr.c (gfc_build_init_expr): Use HOST_WIDE_INT,
1696 gfc_extract_hwi.
1697 (gfc_apply_init): Likewise.
1698 * match.h (gfc_set_constant_character_len): Update prototype.
1699 * primary.c (match_string_constant): Use size_t.
1700 * resolve.c (resolve_ordinary_assign): Use HOST_WIDE_INT,
1701 gfc_mpz_get_hwi.
1702 * simplify.c (init_result_expr): Likewise.
1703 (gfc_simplify_len_trim): Use size_t.
1704 * target-memory.c (gfc_encode_character): Use size_t.
1705 (gfc_target_encode_expr): Use HOST_WIDE_INT, gfc_mpz_get_hwi.
1706 (interpret_array): Use size_t.
1707 (gfc_interpret_character): Likewise.
1708 * target-memory.h (gfc_encode_character): Update prototype.
1709 (gfc_interpret_character): Likewise.
1710 (gfc_target_interpret_expr): Likewise.
1711 * trans-const.c (gfc_build_string_const): Use size_t for length
1712 argument.
1713 (gfc_build_wide_string_const): Likewise.
1714 * trans-const.h (gfc_build_string_const): Likewise.
1715 (gfc_build_wide_string_const): Likewise.
1716
1717 2018-01-20 Steven G. Kargl <kargl@gcc.gnu.org>
1718
1719 PR fortran/83900
1720 * simplify.c (gfc_simplify_matmul): Set return type correctly.
1721
1722 2018-01-19 Steven G. Kargl <kargl@gcc.gnu.org>
1723
1724 PR fortran/83900
1725 * simplify.c (gfc_simplify_matmul): Delete bogus assertion.
1726
1727 2018-01-17 Harald Anlauf <anlauf@gmx.de>
1728
1729 PR fortran/83864
1730 * expr.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1731
1732 2018-01-17 Harald Anlauf <anlauf@gmx.de>
1733
1734 PR fortran/83874
1735 * decl.c (add_init_expr_to_sym): Do not dereference NULL pointer.
1736
1737 2018-01-15 Louis Krupp <louis.krupp@zoho.com>
1738
1739 PR fortran/82257
1740 * interface.c (compare_rank): Don't try to retrieve CLASS_DATA
1741 from symbol marked unlimited polymorphic.
1742 * resolve.c (resolve_structure_cons): Likewise.
1743 * misc.c (gfc_typename): Don't dereference derived->components
1744 if it's NULL.
1745
1746 2018-01-15 Thomas Koenig <tkoenig@gcc.gnu.org>
1747
1748 PR fortran/54613
1749 * gfortran.h (gfc_check_f): Rename f4ml to f5ml.
1750 (gfc_logical_4_kind): New macro
1751 * intrinsic.h (gfc_simplify_minloc): Add a gfc_expr *argument.
1752 (gfc_simplify_maxloc): Likewise.
1753 (gfc_resolve_maxloc): Likewise.
1754 (gfc_resolve_minloc): Likewise.
1755 * check.c (gfc_check_minloc_maxloc): Add checking for "back"
1756 argument; also raise error if it is used (for now). Add it
1757 if it isn't present.
1758 * intrinsic.c (add_sym_4ml): Rename to
1759 (add_sym_5ml), adjust for extra argument.
1760 (add_functions): Add "back" constant. Adjust maxloc and minloc
1761 for back argument.
1762 * iresolve.c (gfc_resolve_maxloc): Add back argument. If back is
1763 not of gfc_logical_4_kind, convert.
1764 (gfc_resolve_minloc): Likewise.
1765 * simplify.c (gfc_simplify_minloc): Add back argument.
1766 (gfc_simplify_maxloc): Likewise.
1767 * trans-intinsic.c (gfc_conv_intrinsic_minmaxloc): Rename last
1768 argument to %VAL to ensure passing by value.
1769 (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_minmaxloc
1770 also for library calls.
1771
1772 2018-01-13 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1773
1774 PR fortran/82007
1775 * resolve.c (resolve_transfer): Delete code looking for 'DT'
1776 format specifiers in format strings. Set formatted to true if a
1777 format string or format label is present.
1778 * trans-io.c (get_dtio_proc): Likewise. (transfer_expr): Fix
1779 whitespace.
1780
1781 2018-01-13 Thomas Koenig <tkoenig@gcc.gnu.org>
1782
1783 PR fortran/83744
1784 * dump-parse-tree.c (get_c_type_name): Remove extra line.
1785 Change for loop to use declaration in for loop. Handle BT_LOGICAL
1786 and BT_CHARACTER.
1787 (write_decl): Add where argument. Fix indentation. Replace
1788 assert with error message. Add typename to warning
1789 in comment.
1790 (write_type): Adjust locus to call of write_decl.
1791 (write_variable): Likewise.
1792 (write_proc): Likewise. Replace assert with error message.
1793
1794 2018-01-13 Paul Thomas <pault@gcc.gnu.org>
1795
1796 PR fortran/52162
1797 * trans-expr.c (gfc_trans_scalar_assign): Flag is_alloc_lhs if
1798 the rhs expression is neither an elemental nor a conversion
1799 function.
1800
1801 PR fortran/83622
1802 * trans-array.c (is_pointer_array): Remove unconditional return
1803 of false for -fopenmp.
1804
1805 2018-01-13 Thomas Koenig <tkoenig@gcc.gnu.org>
1806 <emsr@gcc.gnu.org>
1807
1808 PR fortran/83803
1809 * dump-parse-tree.c (write_proc): Always emit closing parenthesis
1810 for functions.
1811
1812 2018-01-10 Steven G. Kargl <kargl@gcc.gnu.org>
1813
1814 PR fortran/82367
1815 * resolve.c (resolve_allocate_expr): Check for NULL pointer.
1816
1817 2018-01-10 Steven G. Kargl <kargl@gcc.gnu.org>
1818
1819 PR fortran/83093
1820 * resolve.c (resolve_charlen): Check the type of cl->length
1821 after resolution.
1822
1823 2018-01-10 Janne Blomqvist <jb@gcc.gnu.org>
1824
1825 PR fortran/83740
1826 * trans-array.c (gfc_trans_array_ctor_element): Fix formatting.
1827
1828 2018-01-10 Janne Blomqvist <jb@gcc.gnu.org>
1829
1830 PR fortran/83740
1831 * trans-array.c (gfc_trans_array_ctor_element): Convert RHS to the
1832 LHS type when assigning.
1833
1834 2018-01-09 Steven G. Kargl <kargl@gcc.gnu.org>
1835
1836 PR fortran/83742
1837 * expr.c (gfc_is_simply_contiguous): Check for NULL pointer.
1838
1839 2018-01-08 Steven G. Kargl <kargl@gcc.gnu.org>
1840
1841 * match.c (gfc_match_allocate): Check for NULL pointer.
1842
1843 2018-01-08 Steven G. Kargl <kargl@gcc.gnu.org>
1844
1845 * expr.c (gfc_check_pointer_assign): Fix typo in comment.
1846
1847 2018-01-08 Paul Thomas <pault@gcc.gnu.org>
1848
1849 PR fortran/83611
1850 * decl.c (gfc_get_pdt_instance): If parameterized arrays have
1851 an initializer, convert the kind parameters and add to the
1852 component if the instance.
1853 * trans-array.c (structure_alloc_comps): Add 'is_pdt_type' and
1854 use it with case COPY_ALLOC_COMP. Call 'duplicate_allocatable'
1855 for parameterized arrays. Clean up typos in comments. Convert
1856 parameterized array initializers and copy into the array.
1857 * trans-expr.c (gfc_trans_scalar_assign): Do a deep copy for
1858 parameterized types.
1859 *trans-stmt.c (trans_associate_var): Deallocate associate vars
1860 as necessary, when they are PDT function results for example.
1861
1862 PR fortran/83731
1863 * trans-array.c (structure_alloc_comps): Only compare len parms
1864 when they are declared explicitly.
1865
1866 2018-01-06 Janne Blomqvist <jb@gcc.gnu.org>
1867
1868 PR fortran/50892
1869 * trans-expr.c (gfc_trans_pointer_assignment): fold_convert rhs to
1870 lhs type.
1871
1872 2018-01-05 Janne Blomqvist <jb@gcc.gnu.org>
1873
1874 PR fortran/78534
1875 PR fortran/66310
1876 * array.c (got_charlen): Use gfc_charlen_int_kind.
1877 * class.c (gfc_find_derived_vtab): Use gfc_size_kind instead of
1878 hardcoded kind.
1879 (find_intrinsic_vtab): Likewise.
1880 * decl.c (match_char_length): Use gfc_charlen_int_kind.
1881 (add_init_expr_to_sym): Use gfc_charlen_t and gfc_charlen_int_kind.
1882 (gfc_match_implicit): Use gfc_charlen_int_kind.
1883 * dump-parse-tree.c (show_char_const): Use gfc_charlen_t and size_t.
1884 (show_expr): Use HOST_WIDE_INT_PRINT_DEC.
1885 * expr.c (gfc_get_character_expr): Length parameter of type
1886 gfc_charlen_t.
1887 (gfc_get_int_expr): Value argument of type HOST_WIDE_INT.
1888 (gfc_extract_hwi): New function.
1889 (simplify_const_ref): Make string_len of type gfc_charlen_t.
1890 (gfc_simplify_expr): Use HOST_WIDE_INT for substring refs.
1891 * frontend-passes.c (optimize_trim): Use gfc_charlen_int_kind.
1892 * gfortran.h (gfc_mpz_get_hwi): New prototype.
1893 (gfc_mpz_set_hwi): Likewise.
1894 (gfc_charlen_t): New typedef.
1895 (gfc_expr): Use gfc_charlen_t for character lengths.
1896 (gfc_size_kind): New extern variable.
1897 (gfc_extract_hwi): New prototype.
1898 (gfc_get_character_expr): Use gfc_charlen_t for character length.
1899 (gfc_get_int_expr): Use HOST_WIDE_INT type for value argument.
1900 * gfortran.texi: Update description of hidden string length argument.
1901 * iresolve.c (check_charlen_present): Use gfc_charlen_int_kind.
1902 (gfc_resolve_char_achar): Likewise.
1903 (gfc_resolve_repeat): Pass string length directly without
1904 temporary, use gfc_charlen_int_kind.
1905 (gfc_resolve_transfer): Use gfc_charlen_int_kind.
1906 * match.c (select_intrinsic_set_tmp): Use HOST_WIDE_INT for charlen.
1907 * misc.c (gfc_mpz_get_hwi): New function.
1908 (gfc_mpz_set_hwi): New function.
1909 * module.c (atom_int): Change type from int to HOST_WIDE_INT.
1910 (parse_integer): Don't complain about large integers.
1911 (write_atom): Use HOST_WIDE_INT for integers.
1912 (mio_integer): Handle integer type mismatch.
1913 (mio_hwi): New function.
1914 (mio_intrinsic_op): Use HOST_WIDE_INT.
1915 (mio_array_ref): Likewise.
1916 (mio_expr): Likewise.
1917 * primary.c (match_substring): Use gfc_charlen_int_kind.
1918 * resolve.c (resolve_substring_charlen): Use gfc_charlen_int_kind.
1919 (resolve_character_operator): Likewise.
1920 (resolve_assoc_var): Likewise.
1921 (resolve_select_type): Use HOST_WIDE_INT for charlen, use snprintf.
1922 (resolve_charlen): Use mpz_sgn to determine sign.
1923 * simplify.c (gfc_simplify_repeat): Use HOST_WIDE_INT/gfc_charlen_t
1924 instead of long.
1925 * symbol.c (generate_isocbinding_symbol): Use gfc_charlen_int_kind.
1926 * target-memory.c (size_character): Length argument of type
1927 gfc_charlen_t.
1928 (gfc_encode_character): Likewise.
1929 (gfc_interpret_character): Use gfc_charlen_t.
1930 * target-memory.h (gfc_encode_character): Modify prototype.
1931 * trans-array.c (gfc_trans_array_ctor_element): Use existing type.
1932 (get_array_ctor_var_strlen): Use gfc_conv_mpz_to_tree_type.
1933 (trans_array_constructor): Use existing type.
1934 (get_array_charlen): Likewise.
1935 * trans-const.c (gfc_conv_mpz_to_tree_type): New function.
1936 * trans-const.h (gfc_conv_mpz_to_tree_type): New prototype.
1937 * trans-decl.c (gfc_trans_deferred_vars): Use existing type.
1938 (add_argument_checking): Likewise.
1939 * trans-expr.c (gfc_class_len_or_zero_get): Build const of type
1940 gfc_charlen_type_node.
1941 (gfc_conv_intrinsic_to_class): Use gfc_charlen_int_kind instead of
1942 4, fold_convert to correct type.
1943 (gfc_conv_class_to_class): Build const of type size_type_node for
1944 size.
1945 (gfc_copy_class_to_class): Likewise.
1946 (gfc_conv_string_length): Use same type in expression.
1947 (gfc_conv_substring): Likewise, use HOST_WIDE_INT for charlen.
1948 (gfc_conv_string_tmp): Make sure len is of the right type.
1949 (gfc_conv_concat_op): Use same type in expression.
1950 (gfc_conv_procedure_call): Likewise.
1951 (fill_with_spaces): Comment out memset() block due to spurious
1952 -Wstringop-overflow warnings.
1953 (gfc_trans_string_copy): Use gfc_charlen_type_node.
1954 (alloc_scalar_allocatable_for_subcomponent_assignment):
1955 fold_convert to right type.
1956 (gfc_trans_subcomponent_assign): Likewise.
1957 (trans_class_vptr_len_assignment): Build const of correct type.
1958 (gfc_trans_pointer_assignment): Likewise.
1959 (alloc_scalar_allocatable_for_assignment): fold_convert to right
1960 type in expr.
1961 (trans_class_assignment): Build const of correct type.
1962 * trans-intrinsic.c (gfc_conv_associated): Likewise.
1963 (gfc_conv_intrinsic_repeat): Do calculation in sizetype.
1964 * trans-io.c (gfc_build_io_library_fndecls): Use
1965 gfc_charlen_type_node for character lengths.
1966 (set_string): Convert to right type in assignment.
1967 * trans-stmt.c (gfc_trans_label_assign): Build const of
1968 gfc_charlen_type_node.
1969 (trans_associate_var): Likewise.
1970 (gfc_trans_character_select): Likewise.
1971 (gfc_trans_allocate): Likewise, don't typecast strlen result.
1972 (gfc_trans_deallocate): Don't typecast strlen result.
1973 * trans-types.c (gfc_size_kind): New variable.
1974 (gfc_init_types): Determine gfc_charlen_int_kind and gfc_size_kind
1975 from size_type_node.
1976 * trans-types.h: Fix comment.
1977
1978 2018-01-04 Thomas Koenig <tkoenig@gcc.gnu.org>
1979
1980 PR fortran/83683
1981 PR fortran/45689
1982 * check.c (gfc_check_eoshift): Check for string length and
1983 for conformance of boundary.
1984 * intrinsic.c (add_functions): Add gfc_simplify_eoshift.
1985 * intrinsic.h: Add prototype for gfc_simplify_eoshift.
1986 * simplify.c (gfc_simplify_eoshift): New function.
1987
1988 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
1989 Alan Hayward <alan.hayward@arm.com>
1990 David Sherwood <david.sherwood@arm.com>
1991
1992 * trans-types.c (gfc_type_for_mode): Handle MODE_VECTOR_BOOL.
1993
1994 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
1995 Alan Hayward <alan.hayward@arm.com>
1996 David Sherwood <david.sherwood@arm.com>
1997
1998 * trans-types.c (gfc_type_for_mode): Check valid_vector_subparts_p.
1999
2000 2018-01-03 Thomas Koenig <tkoenig@gcc.gnu.org>
2001
2002 PR fortran/83664
2003 * check.c (gfc_check_eoshift): Error for missing boundary if array
2004 is not one of the standard types.
2005
2006 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2007
2008 Update copyright years.
2009
2010 * gfortranspec.c (lang_specific_driver): Update copyright notice
2011 dates.
2012 * gfc-internals.texi: Bump @copying's copyright year.
2013 * gfortran.texi: Ditto.
2014 * intrinsic.texi: Ditto.
2015 * invoke.texi: Ditto.
2016
2017 2017-01-02 Thomas Koenig <tkoenig@gcc.gnu.org>
2018
2019 PR fortran/45689
2020 * intrinsic.c (add_function): Add gfc_simplify_maxloc and
2021 gfc_simplify_minloc to maxloc and minloc, respectively.
2022 * intrinsic.h: Add prototypes for gfc_simplify_minloc
2023 and gfc_simplify_maxloc.
2024 * simplify.c (min_max_chose): Adjust prototype. Modify function
2025 to have a return value which indicates if the extremum was found.
2026 (is_constant_array_expr): Fix typo in comment.
2027 (simplify_minmaxloc_to_scalar): New function.
2028 (simplify_minmaxloc_nodim): New function.
2029 (new_array): New function.
2030 (simplify_minmaxloc_to_array): New function.
2031 (gfc_simplify_minmaxloc): New function.
2032 (simplify_minloc): New function.
2033 (simplify_maxloc): New function.
2034
2035 2018-01-02 Thomas Koenig <tkoenig@gcc.gnu.org>
2036
2037 PR fortran/45689
2038 PR fortran/83650
2039 * simplify.c (gfc_simplify_cshift): Re-implement to allow full
2040 range of arguments.
2041
2042 2018-01-01 Paul Thomas <pault@gcc.gnu.org>
2043
2044 PR fortran/83076
2045 * resolve.c (resolve_fl_derived0): Add caf_token fields for
2046 allocatable and pointer scalars, when -fcoarray selected.
2047 * trans-types.c (gfc_copy_dt_decls_ifequal): Copy the token
2048 field as well as the backend_decl.
2049 (gfc_get_derived_type): Flag GFC_FCOARRAY_LIB for module
2050 derived types that are not vtypes. Components with caf_token
2051 attribute are pvoid types. For a component requiring it, find
2052 the caf_token field and have the component token field point to
2053 its backend_decl.
2054
2055 PR fortran/83319
2056 *trans-types.c (gfc_get_array_descriptor_base): Add the token
2057 field to the descriptor even when codimen not set.
2058 \f
2059 Copyright (C) 2018 Free Software Foundation, Inc.
2060
2061 Copying and distribution of this file, with or without modification,
2062 are permitted in any medium without royalty provided the copyright
2063 notice and this notice are preserved.