1 2019-09-11 Jonathan Wakely <jwakely@redhat.com>
3 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
6 * testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
7 for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
8 * testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
11 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
13 * include/std/type_traits (__do_common_type_impl): Implement
14 additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
15 (basic_common_reference, common_reference, common_reference_t): Define
17 * testsuite/20_util/common_reference/requirements/alias_decl.cc: New
19 * testsuite/20_util/common_reference/requirements/
20 explicit_instantiation.cc: New test.
21 * testsuite/20_util/common_reference/requirements/typedefs.cc: New
24 * include/std/charconv (to_chars): Rename to __to_chars_i. Define
25 non-template overloads for each signed and unsigned integer type and
26 char. Define deleted overload for bool (LWG 3266).
27 * testsuite/20_util/to_chars/1_neg.cc: Remove.
28 * testsuite/20_util/to_chars/3.cc: New test.
29 * testsuite/20_util/to_chars/lwg3266.cc: New test.
31 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
33 * acinclude.m4: Handle uclinux*.
34 * configure: Regenerate.
35 * configure.host: Handle uclinux*
37 2019-09-10 Christophe Lyon <christophe.lyon@st.com>
38 Mickaël Guêné <mickael.guene@st.com>
40 * libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
43 2019-09-10 Jonathan Wakely <jwakely@redhat.com>
46 * testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
47 0ul being a valid null pointer constant.
49 * include/std/type_traits (__remove_cv_t): New alias template.
50 (is_void, is_integral, is_floating_point, is_pointer)
51 (is_member_object_pointer, is_member_function_pointer, is_null_pointer)
52 (is_member_point), __is_signed_integer, __is_unsigned_integer)
53 (__make_unsigned_selector, __make_signed_selector, remove_pointer)
54 (__decay_selector): Use __remove_cv_t.
55 (remove_cv): Add partial specializations for cv-qualified types.
56 (__decay_t): New alias template.
57 (__decay_and_strip, __common_type_impl, __result_of_impl): Use
59 (__enable_if_t): Move earlier in the file.
60 (_Require): Use __enable_if_t.
61 (swap(T&, T&)): Use _Require.
62 (swap(T(&)[N])): Use __enable_if_t.
64 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
66 Implement C++20 p1424 - 'constexpr' feature macro concerns,
67 Issue 3256 - Feature testing macro for constexpr algorithms,
68 and Issue 3257 - Missing feature testing macro update from P0858.
69 * include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
70 * include/bits/algorithmfwd.h: Ditto.
71 * include/std/utility: Ditto.
72 * testsuite/25_algorithms/constexpr_macro.cc: Ditto.
73 * testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
74 __cpp_lib_constexpr macro in <algorith>.
75 * testsuite/20_util/exchange/constexpr.cc: Add check for
76 __cpp_lib_constexpr macro in <utility>.
77 * testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
78 __cpp_lib_constexpr_algorithms.
79 * testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
80 * testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
81 * testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
82 * testsuite/25_algorithms/copy/constexpr.cc: Ditto.
83 * testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
84 * testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
85 * testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
86 * testsuite/25_algorithms/count/constexpr.cc: Ditto.
87 * testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
88 * testsuite/25_algorithms/equal/constexpr.cc: Ditto.
89 * testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
90 * testsuite/25_algorithms/fill/constexpr.cc: Ditto.
91 * testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
92 * testsuite/25_algorithms/find/constexpr.cc: Ditto.
93 * testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
94 * testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
95 * testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
96 * testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
97 * testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
98 * testsuite/25_algorithms/generate/constexpr.cc: Ditto.
99 * testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
100 * testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
101 * testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
102 * testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
103 * testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
104 * testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
105 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
106 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
107 * testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
108 * testsuite/25_algorithms/merge/constexpr.cc: Ditto.
109 * testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
110 * testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
111 * testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
112 * testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
113 * testsuite/25_algorithms/remove/constexpr.cc: Ditto.
114 * testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
115 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
116 * testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
117 * testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
118 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
119 * testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
120 * testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
121 * testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
122 * testsuite/25_algorithms/search/constexpr.cc: Ditto.
123 * testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
124 * testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
125 * testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
126 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
127 * testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
128 * testsuite/25_algorithms/transform/constexpr.cc: Ditto.
129 * testsuite/25_algorithms/unique/constexpr.cc: Ditto.
130 * testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
131 * testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
133 2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
135 Update docs for recent <span> and constexpr lib changes.
136 * doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
137 p1023r0, p1085r2 status.
138 * doc/html/manual/status.html: Regenerate.
140 2019-09-09 Antony Polukhin <antoshkka@gmail.com>
142 * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
143 final offsets with constants.
145 2019-09-09 Jonathan Wakely <jwakely@redhat.com>
147 * include/bits/range_access.h (__adl_to_address): Remove.
148 * include/std/span (__is_base_derived_safe_convertible_v): Replace
149 with span::__is_compatible.
150 (__is_std_array_v): Replace with __is_std_array class template and
151 partial specializations.
152 (__is_std_array, __is_std_span): New class templates and partial
154 (span::__is_compatible): New alias template for SFINAE constraints.
155 (span::span(element_type (&)[N])): Remove redundant constraints. Do
156 not use __adl_data to obtain a pointer.
157 (span::span(array<value_type, N>&)): Likewise.
158 (span::span(const array<value_type, N>&)): Likewise.
159 [_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
160 (span::iter_value_t, span::derived_from): New alias templates for
161 SFINAE constraints, until the equivalents are supported in <concepts>
163 [_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
164 for SFINAE constraints.
165 [_GLIBCXX_P1394] (span::is_compatible_range): New class template for
167 [_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
168 [_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
169 Use std::to_address instead of __adl_to_address.
170 [_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
171 [!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
172 template for SFINAE constraints.
173 [!_GLIBCXX_P1394] (span::span(Container&))
174 (span::span(const Container&)): Improve constraints.
175 [!_GLIBCXX_P1394] (span::span(pointer, size_type))
176 (span::span(pointer, pointer)): Remove redundant cast of pointer.
177 (span(const span<OType, OExtent>&)): New constructor.
179 2019-09-06 Jonathan Wakely <jwakely@redhat.com>
181 * include/bits/range_access.h (ssize): Define for C++20.
182 * testsuite/24_iterators/range_access_cpp20.cc: New test.
183 * doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
184 * doc/html/*: Regenerate.
186 2019-09-06 Florian Weimer <fweimer@redhat.com>
188 * configure: Regenerate.
190 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
192 * doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
193 P1024R3. Remove entry for P0920R2.
194 * include/std/span (__cpp_lib_span): Change value.
195 (__extent_storage, __extent_storage<dynamic_extent>): Remove default
197 (span): Replace __extent_storage base class with data member.
198 (span::_S_subspan_extent): New function.
199 (span::empty()): Add nodiscard attribute.
200 (span::front, span::back, span::operator[]): Check preconditions.
201 (span::first, span::last, span::subspan): Add noexcept. Improve
202 precondition checks (LWG 3103).
203 (get): Remove redundant condition from static_assert.
204 (tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
205 (as_writable_bytes): Add inline specifier.
206 * include/std/version (__cpp_lib_span): Change value.
207 * testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
208 * testsuite/23_containers/span/front_neg.cc: Likewise.
209 * testsuite/23_containers/span/index_op_neg.cc: Likewise.
210 * testsuite/23_containers/span/last_neg.cc: Improve test.
211 * testsuite/23_containers/span/subspan_neg.cc: Likewise.
212 * testsuite/23_containers/span/1.cc: New test.
213 * testsuite/23_containers/span/2.cc: New test.
214 * testsuite/23_containers/span/back_assert_neg.cc: New test.
215 * testsuite/23_containers/span/first_2_assert_neg.cc: New test.
216 * testsuite/23_containers/span/first_assert_neg.cc: New test.
217 * testsuite/23_containers/span/first_neg.cc: New test.
218 * testsuite/23_containers/span/front_assert_neg.cc: New test.
219 * testsuite/23_containers/span/index_op_assert_neg.cc: New test.
220 * testsuite/23_containers/span/last_2_assert_neg.cc: New test.
221 * testsuite/23_containers/span/last_assert_neg.cc: New test.
222 * testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
223 * testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
224 * testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
225 * testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
226 * testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
227 * testsuite/23_containers/span/subspan_assert_neg.cc: New test.
229 2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
231 * include/Makefile.am: Add <span> header.
232 * include/Makefile.in: Regenerate.
233 * include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
234 (__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
235 (__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
236 New functions for performing argument-dependent lookup of range
237 customization points.
238 * include/bits/stl_iterator.h (__normal_iterator): Add
239 _GLIBCXX20_CONSTEXPR to all functions.
240 * include/std/span: New header.
241 * include/std/version (__cpp_lib_span): Define feature test macro.
242 * testsuite/23_containers/span/contiguous_range_neg.cc: New test.
243 * testsuite/23_containers/span/everything.cc: New test.
244 * testsuite/23_containers/span/get_neg.cc: New test.
245 * testsuite/23_containers/span/last_neg.cc: New test.
246 * testsuite/23_containers/span/subspan_neg.cc: New test.
247 * testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
248 * testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
249 * testsuite/23_containers/span/tuple_size_neg.cc: New test.
251 2019-09-05 Jonathan Wakely <jwakely@redhat.com>
253 * doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
254 * doc/html/*: Regenerate.
256 2019-09-04 Mike Crowe <mac@mcrowe.com>
259 * acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
260 pthread_cond_clockwait function.
261 * configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
262 * configure: Regenerate.
263 * config.h.in: Regenerate.
264 * include/std/condition_variable: (condition_variable): Rename
265 __steady_clock_t typedef and add system_clock. Change __clock_t to be
266 a typedef for the preferred clock to convert arbitrary other clocks to.
267 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
269 (wait_until): Change __clock_t overload to use system_clock.
270 [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
271 steady_clock overload that calls pthread_cond_clockwait.
272 (__wait_until_impl): Change __clock_t overload to use system_clock.
273 (condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
274 steady_clock for __clock_t if pthread_cond_clockwait is available.
276 2019-09-04 Mike Crowe <mac@mcrowe.com>
278 * testsuite/30_threads/condition_variable/members/2.cc (test01):
279 Parameterise so that test can be run against an arbitrary clock.
280 (main): Test using std::chrono::steady_clock and a user-defined
281 clock in addition to the previous std::chrono::system_clock.
282 * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
284 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
286 * crossconfig.m4: Remove references to spu.
287 * configure: Regenerate.
288 * doc/xml/manual/appendix_contributing.xml: Remove references
289 to __ea as "badword" for spu.
290 * doc/html/manual/source_code_style.html: Regenerate.
291 * include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
292 to avoid __ea (as "badword" for spu).
293 (__ellint_rj): Likewise.
295 2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
298 * acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
299 scanning to conform to the GNU Coding Standards.
300 * configure: Regenerate.
302 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
304 * src/c++17/memory_resource.cc: Use __constinit keyword.
306 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
308 * doc/xml/manual/abi.xml: Document 9.x library versions.
309 * doc/html/*: Regenerate.
311 2019-09-02 Jonathan Wakely <jwakely@redhat.com>
313 * include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
314 (__detail::__to_chars_8_len): Remove.
315 (__detail::__to_chars_8): Inline length calculation here.
316 (__detail::__from_chars_binary): Use numeric_limits instead of
319 2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
321 * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate.
322 * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise.
323 * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise.
324 * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt:
327 2019-09-01 François Dumont <fdumont@gcc.gnu.org>
329 * testsuite_files/util/testsuite_performance.h
330 (resource_counter::start): Ignore unused malloc(0) result.
332 2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
334 * doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
335 Model Object Technologies): Adjust name and link.
337 2019-08-30 Antony Polukhin <antoshkka@gmail.com>
339 * include/std/charconv (__detail::__to_chars_8)
340 __detail::__to_chars_16): Replace array of precomputed digits with
341 arithmetic operations to avoid CPU cache misses. Remove zero
342 termination from array of digits to allow symbol merge with generic
343 implementation of __detail::__to_chars. Replace final offsets with
344 constants. Use __detail::__to_chars_len_2 instead of a generic
345 __detail::__to_chars_len.
346 (__detail::__to_chars): Remove zero termination from array of digits.
347 (__detail::__to_chars_2): Leading digit is always '1'.
349 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
351 * testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
353 2019-08-30 Uros Bizjak <ubizjak@gmail.com>
355 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
357 2019-08-30 Jonathan Wakely <jwakely@redhat.com>
360 * include/bits/stl_algobase.h (__copy_move): Give descriptive names
361 to template parameters.
362 * include/bits/stl_uninitialized.h (uninitialized_copy)
363 (uninitialized_fill, uninitialized_fill_n): Add static assertions to
364 diagnose invalid uses.
365 * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
366 Adjust expected error.
367 * testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
369 * testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
371 * testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
373 * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
375 * testsuite/23_containers/vector/cons/89164.cc: New test.
376 * testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
378 2019-08-29 Jonathan Wakely <jwakely@redhat.com>
381 * acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
382 * configure: Regenerate.
383 * config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
385 * testsuite/27_io/filesystem/iterators/91067.cc: Test move
387 * testsuite/util/testsuite_abi.cc: Add new symbol version.
389 2019-08-29 Jakub Jelinek <jakub@redhat.com>
391 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
392 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
394 2019-08-28 Jonathan Wakely <jwakely@redhat.com>
396 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
397 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
398 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
399 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
400 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
401 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
402 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
404 2019-08-23 Joseph Myers <joseph@codesourcery.com>
406 * src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
407 (std::filesystem::__gnu_posix::lstat): Add return type.
409 2019-08-20 Jonathan Wakely <jwakely@redhat.com>
411 * doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
413 * include/std/numeric (reduce): Fix Doxygen markup.
416 * include/std/type_traits (is_function): Simplify definition. Remove
417 partial specializations for function types.
418 (__is_referenceable): Simplify definition.
419 * testsuite/20_util/bind/91371.cc: New test.
420 * testsuite/20_util/is_function/91371.cc: New test.
421 * testsuite/20_util/is_function/value.cc: Check more pointer types.
422 * testsuite/20_util/is_member_function_pointer/91371.cc: New test.
423 * testsuite/20_util/is_object/91371.cc: New test.
425 2019-08-16 Uros Bizjak <ubizjak@gmail.com>
427 * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
429 2019-08-15 Jonathan Wakely <jwakely@redhat.com>
432 * include/bits/std_function.h (__check_func_return_type): Remove.
433 (function::_Callable): Use std::__is_invocable_impl instead of
434 __check_func_return_type.
435 * include/std/type_traits (__is_invocable_impl): Add another defaulted
436 template parameter. Define a separate partial specialization for
437 INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
438 with a check that models delayed temporary materialization.
439 * testsuite/20_util/function/91456.cc: New test.
440 * testsuite/20_util/is_invocable/91456.cc: New test.
442 2019-08-14 Jonathan Wakely <jwakely@redhat.com>
444 * include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
446 2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
448 Implement C++20 p0879 - Constexpr for swap and swap related functions.
449 * include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
450 * include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
452 (iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
453 (prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
454 (swap_ranges, nth_element, partial_sort, sort): Add constexpr.
455 * include/bits/move.h (swap): Add constexpr.
456 * include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
457 (__gcd, __rotate, rotate, __partition, __heap_select)
458 (__partial_sort_copy, partial_sort_copy, __unguarded_partition)
459 (__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
460 (__introselect, __chunk_insertion_sort, next_permutation)
461 (prev_permutation, partition, partial_sort, nth_element, sort)
462 (__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
463 * include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
464 (swap_ranges): Add constexpr.
465 * include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
466 __pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
468 * include/std/type_traits (swap): Add constexpr.
469 * testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
470 * testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
471 * testsuite/25_algorithms/make_heap/constexpr.cc: New test.
472 * testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
473 * testsuite/25_algorithms/nth_element/constexpr.cc: New test.
474 * testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
475 * testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
476 * testsuite/25_algorithms/partition/constexpr.cc: New test.
477 * testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
478 * testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
479 * testsuite/25_algorithms/push_heap/constexpr.cc: New test.
480 * testsuite/25_algorithms/reverse/constexpr.cc: New test.
481 * testsuite/25_algorithms/rotate/constexpr.cc: New test.
482 * testsuite/25_algorithms/sort/constexpr.cc: New test.
483 * testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
484 * testsuite/25_algorithms/swap/constexpr.cc: New test.
485 * testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
487 2019-08-12 Jonathan Wakely <jwakely@redhat.com>
490 * src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
492 * include/std/tuple (__unpack_std_tuple): New variable template and
493 partial specializations.
494 (apply, make_from_tuple): Add noexcept-specifier.
495 * testsuite/20_util/tuple/apply/2.cc: New test.
496 * testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
498 2019-08-09 Corentin Gay <gay@adacore.com>
500 * testsuite/ext/random/beta_distribution/operators/serialize.cc,
501 testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
502 testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
503 testsuite/ext/random/triangular_distribution/operators/serialize.cc,
504 testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
505 Add call to `VERIFY`.
507 2019-08-09 Alexandre Oliva <oliva@adacore.com>
510 (normal_mv_distribution::param_type::param_type): New private
511 ctor taking a decomposed varcov matrix, for use by...
512 (operator>>): ... this, befriended.
513 * include/ext/random.tcc (operator>>): Use it.
514 (normal_mv_distribution::param_type::_M_init_lower): Adjust
515 member function name in exception message.
517 2019-08-08 Jonathan Wakely <jwakely@redhat.com>
519 P0325R4 to_array from LFTS with updates
520 * include/experimental/array (to_array): Qualify call to __to_array.
521 * include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
522 * include/std/version (__cpp_lib_to_array): Likewise.
523 * testsuite/23_containers/array/creation/1.cc: New test.
524 * testsuite/23_containers/array/creation/2.cc: New test.
525 * testsuite/23_containers/array/creation/3_neg.cc: New test.
526 * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
527 Use zero for dg-error line number.
529 2019-08-06 Jonathan Wakely <jwakely@redhat.com>
531 P1651R0 bind_front should not unwrap reference_wrapper
532 * include/std/functional (bind_front): Don't unwrap reference_wrapper.
533 * include/std/version (__cpp_lib_bind_front): Update value.
534 * testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
536 * testsuite/20_util/function_objects/bind_front/2.cc: New test.
538 * include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
539 (e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
540 (sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
541 specializations for __float128.
542 * testsuite/26_numerics/numbers/float128.cc: New test.
544 2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
546 * doc/xml/manual/documentation_hacking.xml: doxygen.org is now
549 2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
551 Implement C++20 p0202 - Add Constexpr Modifiers to Functions
552 in <algorithm> and <utility> Headers.
553 Implement C++20 p1023 - constexpr comparison operators for std::array.
554 * include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
555 copy_backward, copy_if, copy_n, equal_range, fill, find_end,
556 find_if_not, includes, is_heap, is_heap_until, is_partitioned,
557 is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
558 none_of, partition_copy, partition_point, remove, remove_if,
559 remove_copy, remove_copy_if, replace_copy, replace_copy_if,
560 reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
561 count_if, equal, find, find_first_of, find_if, for_each, generate,
562 generate_n, lexicographical_compare, merge, mismatch, replace,
563 replace_if, search, search_n, set_difference, set_intersection,
564 set_symmetric_difference, set_union, transform, unique_copy):
566 * include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
567 * include/bits/predefined_ops.h (_Iter_less_val::operator(),
568 _Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
569 _Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
570 Use const ref instead of ref arg;
571 (_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
572 __iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
573 _Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
574 _Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
575 _Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
576 __iter_comp_iter): Mark constexpr.
577 * include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
578 __search, __search_n_aux, __search_n, __find_end, find_end, all_of,
579 none_of, any_of, find_if_not, is_partitioned, partition_point,
580 __remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
581 copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
582 __unique, unique, __unique_copy, reverse_copy, rotate_copy,
583 __unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
584 __final_insertion_sort, lower_bound, __upper_bound, upper_bound,
585 __equal_range, equal_range, binary_search, __includes, includes,
586 __next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
587 replace_copy_if, __count_if, is_sorted, __is_sorted_until,
588 is_sorted_until, __is_permutation, is_permutation, for_each, find,
589 find_if, find_first_of, adjacent_find, count, count_if, search,
590 search_n, transform, replace, replace_if, generate, generate_n,
591 unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
592 set_intersection, __set_difference, set_difference,
593 __set_symmetric_difference, set_symmetric_difference): Mark constexpr.
594 * include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
595 wrappers around __builtin_memmove and __builtin_memcmp
597 (__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
598 copy, move, __copy_move_b, __copy_move_backward_a,
599 __copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
600 __fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
601 __lexicographical_compare_impl, __lexicographical_compare,
602 __lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
603 __lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
604 __mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
605 is_heap): Mark constexpr.
606 * include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
607 is_heap): Mark constexpr.
608 * include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
609 * include/std/array: Make comparison ops constexpr.
610 * include/std/utility: Make exchange constexpr.
611 * include/std/version (__cpp_lib_constexpr_algorithms): New macro.
612 * testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
613 * testsuite/23_containers/array/tuple_interface/
614 tuple_element_neg.cc: Adjust.
615 * testsuite/20_util/exchange/constexpr.cc: New.
616 * testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
617 * testsuite/25_algorithms/constexpr_macro.cc: New.
618 * testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
619 * testsuite/25_algorithms/all_of/constexpr.cc: New.
620 * testsuite/25_algorithms/any_of/constexpr.cc: New.
621 * testsuite/25_algorithms/binary_search/constexpr.cc: New.
622 * testsuite/25_algorithms/copy/constexpr.cc: New.
623 * testsuite/25_algorithms/copy_backward/constexpr.cc: New.
624 * testsuite/25_algorithms/copy_if/constexpr.cc: New.
625 * testsuite/25_algorithms/copy_n/constexpr.cc: New.
626 * testsuite/25_algorithms/count/constexpr.cc: New.
627 * testsuite/25_algorithms/count_if/constexpr.cc: New.
628 * testsuite/25_algorithms/equal/constexpr.cc: New.
629 * testsuite/25_algorithms/equal_range/constexpr.cc: New.
630 * testsuite/25_algorithms/fill/constexpr.cc: New.
631 * testsuite/25_algorithms/fill_n/constexpr.cc: New.
632 * testsuite/25_algorithms/find/constexpr.cc: New.
633 * testsuite/25_algorithms/find_end/constexpr.cc: New.
634 * testsuite/25_algorithms/find_first_of/constexpr.cc: New.
635 * testsuite/25_algorithms/find_if/constexpr.cc: New.
636 * testsuite/25_algorithms/find_if_not/constexpr.cc: New.
637 * testsuite/25_algorithms/for_each/constexpr.cc: New.
638 * testsuite/25_algorithms/generate/constexpr.cc: New.
639 * testsuite/25_algorithms/generate_n/constexpr.cc: New.
640 * testsuite/25_algorithms/is_heap/constexpr.cc: New.
641 * testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
642 * testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
643 * testsuite/25_algorithms/is_permutation/constexpr.cc: New.
644 * testsuite/25_algorithms/is_sorted/constexpr.cc: New.
645 * testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
646 * testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
647 * testsuite/25_algorithms/lower_bound/constexpr.cc: New.
648 * testsuite/25_algorithms/merge/constexpr.cc: New.
649 * testsuite/25_algorithms/mismatch/constexpr.cc: New.
650 * testsuite/25_algorithms/none_of/constexpr.cc: New.
651 * testsuite/25_algorithms/partition_copy/constexpr.cc: New.
652 * testsuite/25_algorithms/partition_point/constexpr.cc: New.
653 * testsuite/25_algorithms/remove/constexpr.cc: New.
654 * testsuite/25_algorithms/remove_copy/constexpr.cc: New.
655 * testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
656 * testsuite/25_algorithms/remove_if/constexpr.cc: New.
657 * testsuite/25_algorithms/replace_copy/constexpr.cc: New.
658 * testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
659 * testsuite/25_algorithms/replace_if/constexpr.cc: New.
660 * testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
661 * testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
662 * testsuite/25_algorithms/search/constexpr.cc: New.
663 * testsuite/25_algorithms/search_n/constexpr.cc: New.
664 * testsuite/25_algorithms/set_difference/constexpr.cc: New.
665 * testsuite/25_algorithms/set_intersection/constexpr.cc: New.
666 * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
667 * testsuite/25_algorithms/set_union/constexpr.cc: New.
668 * testsuite/25_algorithms/transform/constexpr.cc: New.
669 * testsuite/25_algorithms/unique/constexpr.cc: New.
670 * testsuite/25_algorithms/unique_copy/constexpr.cc: New.
671 * testsuite/25_algorithms/upper_bound/constexpr.cc: New.
673 2019-07-31 Jonathan Wakely <jwakely@redhat.com>
675 * include/std/memory (make_obj_using_allocator): Qualify call to
676 uses_allocator_construction_args.
678 P0631R4 Math Constants
679 * include/Makefile.am: Add new header.
680 * include/Makefile.in: Regenerate.
681 * include/precompiled/stdc++.h: Include new header.
682 * include/std/numbers: New header.
683 * include/std/version (__cpp_lib_math_constants): Define.
684 * testsuite/26_numerics/numbers/1.cc: New test.
685 * testsuite/26_numerics/numbers/2.cc: New test.
686 * testsuite/26_numerics/numbers/3.cc: New test.
687 * testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
689 * include/std/bit: Add Doxygen comments.
692 * include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
693 constraints on deleter that should only apply to the constructor.
694 (unique_ptr<T[], D>::__safe_conversion_up): Likewise.
695 (unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
696 constraints on deleter here.
697 * testsuite/20_util/unique_ptr/assign/91308.cc: New test.
699 2019-07-29 Jonathan Wakely <jwakely@redhat.com>
702 * libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
704 * libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
706 * testsuite/18_support/51333.cc: New test.
708 2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
710 * doc/xml/manual/documentation_hacking.xml: Fix broken reference
711 to the Doxygen manual. Avoid a "here" link on the way.
712 Fix another broken link to Doxygen docblocks.
714 2019-07-26 Jonathan Wakely <jwakely@redhat.com>
716 * include/std/bit (__cpp_lib_endian): Define.
717 * include/std/version (__cpp_lib_endian): Define.
718 * testsuite/26_numerics/endian/2.cc: New.
719 * testsuite/26_numerics/endian/3.cc: New.
720 * testsuite/26_numerics/endian/4.cc: New.
722 2019-07-26 François Dumont <fdumont@gcc.gnu.org>
724 * testsuite/util/testsuite_iterators.h
725 (bidirectional_iterator_wrapper): Fix type comment.
726 (random_access_iterator_wrapper): Likewise.
728 2019-07-25 Jonathan Wakely <jwakely@redhat.com>
730 * include/std/bit (endian): Move definition here as per P1612R1.
731 * include/std/type_traits (endian): Remove definition from here.
732 * testsuite/20_util/endian/1.cc: Rename to ...
733 * testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
735 2019-07-25 Martin Liska <mliska@suse.cz>
736 Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
739 * testsuite/ext/bitmap_allocator/check_delete.cc: Add
741 * testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
742 * testsuite/ext/new_allocator/check_delete.cc: Likewise.
743 * testsuite/ext/new_allocator/check_new.cc: Likewise.
745 2019-07-22 Jonathan Wakely <jwakely@redhat.com>
747 * testsuite/26_numerics/bit/bitops.count/*: Rename to ...
748 * testsuite/26_numerics/bit/bit.count/*: Here.
750 * include/std/bit (__rotl, __rotr): Change second parameter from
751 unsigned int to int and handle negative values.
752 (rotl, rotr): Remove check for __STRICT_ANSI__. Change second
753 parameter from unsigned int to int. Add nodiscard attribute.
754 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
755 * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
757 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
758 * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
761 * include/std/bit (__ceil2): Make unrepresentable results undefined,
762 as per P1355R2. Add debug assertion. Perform one left shift, not two,
763 so that out of range values cause undefined behaviour. Ensure that
764 shift will still be undefined if left operand is promoted.
765 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
766 unrepresentable values with checks that they are not core constant
768 * testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
770 2019-07-19 François Dumont <fdumont@gcc.gnu.org>
772 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
773 sized deallocation size computation.
775 2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
777 * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
779 2019-07-18 François Dumont <fdumont@gcc.gnu.org>
781 * include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
782 (~_Temporary_buffer()): Use latter.
783 (_Temporary_buffer(_FIterator, size_type)): Likewise.
785 2019-07-17 Andreas Schwab <schwab@suse.de>
787 * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
789 2019-07-16 Jason Merrill <jason@redhat.com>
791 * include/std/memory (uses_allocator_construction_args): Add parens
794 2019-07-12 Jonathan Wakely <jwakely@redhat.com>
796 * testsuite/29_atomics/atomic_float/1.cc: Fix comment.
798 * include/experimental/string_view (__detail::__idt): Remove.
799 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
800 Use __type_identity_t instead of __detail::__idt;
801 * include/std/string_view (__detail::__idt): Remove.
802 (operator==, operator!=, operator<, operator>, operator<=, operator>=):
803 Use __type_identity_t instead of __detail::__idt;
804 * include/std/type_traits (__type_identity_t): New alias template.
806 * doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
807 and floating point atomics.
809 2019-07-11 Jonathan Wakely <jwakely@redhat.com>
811 * doc/xml/manual/configure.xml: Improve documentation of
812 --enable-libstdcxx-time option.
814 * include/bits/atomic_base.h (__atomic_impl): New namespace for
815 wrappers around atomic built-ins.
816 (__atomic_float, __atomic_ref): New class templates for use as base
818 * include/std/atomic (atomic<float>, atomic<double>)
819 (atomic<long double>): New explicit specializations.
820 (atomic_ref): New class template.
821 (__cpp_lib_atomic_ref): Define.
822 * include/std/version (__cpp_lib_atomic_ref): Define.
823 * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
824 * testsuite/29_atomics/atomic_float/1.cc: New test.
825 * testsuite/29_atomics/atomic_float/requirements.cc: New test.
826 * testsuite/29_atomics/atomic_ref/deduction.cc: New test.
827 * testsuite/29_atomics/atomic_ref/float.cc: New test.
828 * testsuite/29_atomics/atomic_ref/generic.cc: New test.
829 * testsuite/29_atomics/atomic_ref/integral.cc: New test.
830 * testsuite/29_atomics/atomic_ref/pointer.cc: New test.
831 * testsuite/29_atomics/atomic_ref/requirements.cc: New test.
833 2019-07-06 Jonathan Wakely <jwakely@redhat.com>
835 * include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
836 throw() with _GLIBCXX_NOTHROW.
837 (__atomic_add_dispatch): Return after performing atomic increment.
839 2019-07-05 Jonathan Wakely <jwakely@redhat.com>
841 * include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
842 (__exchange_and_add): Replace static specifier with always_inline
844 (__exchange_and_add_single, __atomic_add_single): Likewise.
845 (__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
846 combine !__gthread_active_p() and !__GTHREADS branches.
848 2019-07-03 Jonathan Wakely <jwakely@redhat.com>
851 * acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
852 * configure: Regenerate.
853 * config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
855 * testsuite/27_io/filesystem/iterators/91067.cc: New test.
856 * testsuite/util/testsuite_abi.cc: Add new symbol version.
858 2019-07-02 Jonathan Wakely <jwakely@redhat.com>
860 * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
861 (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
862 instead of __is_identifier to detect Clang support.
864 2019-07-02 Jim Wilson <jimw@sifive.com>
866 * configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
868 * configure: Regenerate.
870 2019-06-27 Jonathan Wakely <jwakely@redhat.com>
873 * src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
874 for the what_arg parameters.
875 (filesystem_error::filesystem_error): Pass system_error::what() to
876 the _Impl constructor.
877 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
878 filesystem_error::what() contains system_error::what().
880 2019-06-26 Jonathan Wakely <jwakely@redhat.com>
882 * include/std/charconv (chars_format): Define bitmask type.
883 * testsuite/20_util/to_chars/chars_format.cc: New test.
885 * include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
886 * include/std/bit (_If_is_unsigned_integer_type): Remove.
887 (_If_is_unsigned_integer): Use __is_unsigned_integer.
888 (rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
889 (countl_one(byte), countr_zero(byte), countr_one(byte))
890 (popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
891 (log2p1(byte)): Remove.
892 * include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
893 (__detail::__is_int_to_chars_type): Remove.
894 (__detail::__integer_to_chars_result_type): Use __is_signed_integer
895 and __is_unsigned_integer.
896 * include/std/type_traits (__is_one_of): Move here from <charconv>.
897 (__is_signed_integer, __is_unsigned_integer): New helpers.
898 * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
900 * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
901 * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
902 * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
903 * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
904 * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
905 * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
906 * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
907 * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
908 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
909 * testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
911 2019-06-25 Jonathan Wakely <jwakely@redhat.com>
913 * include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
916 2019-06-25 Jakub Jelinek <jakub@redhat.com>
918 * include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
919 _PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
920 Define to OpenMP 5.0 pragmas even for GCC 10.0+.
921 (_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
923 2019-06-24 Jonathan Wakely <jwakely@redhat.com>
925 * include/std/numeric (midpoint(T, T)): Change implementation for
926 floating-point types to avoid incorrect rounding of denormals.
927 * testsuite/26_numerics/midpoint/floating.cc: Add check for correct
928 rounding with denormals.
929 * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
930 * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
932 * testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
934 2019-06-20 Jonathan Wakely <jwakely@redhat.com>
936 * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
938 * configure: Regenerate.
940 * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
941 Qualify calls to __never_valueless.
943 * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
946 * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
947 vector<bool> for test.
948 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
950 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
952 * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
954 (istream_iterator::_M_read()): Do not check stream state before
955 attempting extraction. Set stream pointer to null when extraction
957 (operator==(const istream_iterator&, const istream_iterator&)): Change
958 to be a hidden friend of istream_iterator.
959 (operator!=(const istream_iterator&, const istream_iterator&)):
961 (ostream_iterator::ostream_iterator()): Add default constructor.
962 (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
964 * testsuite/24_iterators/istream_iterator/1.cc: New test.
965 * testsuite/24_iterators/ostream_iterator/1.cc: New test.
966 * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
967 constructor taking a string.
968 * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
971 2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
972 Jonathan Wakely <jwakely@redhat.com>
975 * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
976 values of type bool for vector<bool> elements.
977 * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
978 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
980 2019-06-19 Jonathan Wakely <jwakely@redhat.com>
982 PR libstdc++/90920 partially revert r263433
983 * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
984 (rotate): Remove checks.
985 * testsuite/25_algorithms/rotate/90920.cc: New test.
987 * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
988 category used in invocable check.
989 (reduce(Iter, Iter, T)): Pass initial value as rvalue.
990 * testsuite/26_numerics/reduce/2.cc: New test.
992 2019-06-18 Jonathan Wakely <jwakely@redhat.com>
994 * include/bits/algorithmfwd.h: Change title of doc group.
995 * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
997 * include/bits/stl_numeric.h: Define doc group and add algos to it.
998 * include/std/numeric (__is_random_access_iter): New internal trait.
999 (reduce, transform_reduce, exclusive_scan, inclusive_scan)
1000 (transform_exclusive_scan, transform_inclusive_scan): Likewise.
1001 * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
1002 * testsuite/26_numerics/exclusive_scan/1.cc: New test.
1003 * testsuite/26_numerics/inclusive_scan/1.cc: New test.
1004 * testsuite/26_numerics/reduce/1.cc: New test.
1005 * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
1006 * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
1007 * testsuite/26_numerics/transform_reduce/1.cc: New test.
1008 * testsuite/util/testsuite_iterators.h (test_container::size()): New
1011 * include/c_global/cstddef (std::byte): Perform arithmetic operations
1012 in unsigned int to avoid promotion (LWG 2950).
1014 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1016 * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
1019 * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
1021 PR libstdc++/90281 Fix string conversions for filesystem::path
1022 * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
1023 Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
1024 __str_codecvt_in_all to fail for partial conversions and throw on
1026 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
1027 (path::_Cvt<char8_t>): Add explicit specialization.
1028 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
1030 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1031 if-constexpr instead of dispatching to _S_wconvert. Use codecvt
1032 instead of codecvt_utf8. Use __str_codecvt_in_all and
1033 __str_codecvt_out_all.
1034 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1035 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1036 (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1037 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1038 with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
1039 after converting to UTF-8.
1040 (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
1041 __str_codecvt_in_all.
1042 (path::string): Fix initialization of string types with different
1044 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1045 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1046 * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
1048 (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
1049 return false for partial conversions.
1050 * include/experimental/bits/fs_path.h (u8path):
1051 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
1052 [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
1053 missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
1054 instead of codecvt_utf8. Use __str_codecvt_in_all and
1055 __str_codecvt_out_all.
1056 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
1057 codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
1058 (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1059 codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
1060 with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
1061 (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1062 __str_codecvt_in_all.
1063 (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
1064 codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
1065 * src/c++17/fs_path.cc (path::_S_convert_loc): Use
1066 __str_codecvt_in_all.
1067 * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
1068 * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
1069 * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
1070 * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
1071 strings and with Unicode characters outside the basic multilingual
1073 * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
1074 * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
1075 * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
1076 * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
1077 * testsuite/experimental/filesystem/path/native/string.cc: Test with
1078 empty strings and with Unicode characters outside the basic
1081 2019-06-17 François Dumont <fdumont@gcc.gnu.org>
1082 Jonathan Wakely <jwakely@redhat.com>
1084 * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
1085 (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
1086 deallocate node if insertion fails.
1087 (_Hashtable::_M_insert_multi_node): Likewise.
1088 (_Hashtable::_M_reinsert_node): Pass additional key argument.
1089 (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
1090 (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
1091 (_Hashtable::extract(const_iterator)): Use _M_extract_node.
1092 (_Hashtable::extract(const _Key&)): Likewise.
1093 (_Hashtable::_M_merge_unique): Pass additional key argument.
1094 (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
1096 (_Hashtable::_M_insert): Likewise.
1097 * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
1098 (_Hashtable_alloc): Add comments to functions with misleading names.
1100 2019-06-17 Jonathan Wakely <jwakely@redhat.com>
1102 * testsuite/20_util/bad_function_call/what.cc: Include <string> header
1104 * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
1105 * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
1106 header for std::allocator.
1107 * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
1108 using-declaration for std::size_t.
1109 * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
1111 * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
1113 * testsuite/23_containers/vector/cons/55977.cc: Likewise.
1114 * testsuite/experimental/map/erasure.cc: Include <string> for
1116 * testsuite/experimental/unordered_map/erasure.cc: Likewise.
1118 2019-06-14 Jonathan Wakely <jwakely@redhat.com>
1120 * include/experimental/type_traits (experimental::nonesuch): Use
1121 pragma to disable -Wctor-dtor-privacy warnings.
1122 * include/std/type_traits (__is_convertible_helper<From, To, false>)
1123 (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
1125 * include/std/version (__cpp_lib_bind_front): Add missing macro.
1127 2019-06-12 Jonathan Wakely <jwakely@redhat.com>
1129 * include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
1130 * include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
1131 * include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
1132 * testsuite/25_algorithms/pstl/feature_test.cc: New test.
1134 * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
1135 (variant::emplace): Change static_assert messages from "should be"
1137 (hash<monostate>::operator()): Remove name of unused parameter.
1139 * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
1142 * include/Makefile.am: Add new <bits/charconv.h> header.
1143 * include/Makefile.in: Regenerate.
1144 * include/bits/basic_string.h (to_string(int), to_string(unsigned))
1145 (to_string(long), to_string(unsigned long), to_string(long long))
1146 (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
1147 * include/bits/charconv.h: New header.
1148 (__detail::__to_chars_len): Move here from <charconv>.
1149 (__detail::__to_chars_10_impl): New function extracted from
1150 __detail::__to_chars_10.
1151 * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
1152 (__to_chars_unsigned_type): New class template that reuses
1153 __make_unsigned_selector_base::__select to pick a type.
1154 (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
1155 (__detail::__to_chars_len): Move to new header.
1156 (__detail::__to_chars_10): Add inline specifier. Move code doing the
1157 output to __detail::__to_chars_10_impl and call that.
1158 * include/std/version (__cpp_lib_to_chars): Add, but comment out.
1159 * testsuite/21_strings/basic_string/numeric_conversions/char/
1160 to_string.cc: Fix reference in comment. Remove unused variable.
1161 * testsuite/21_strings/basic_string/numeric_conversions/char/
1162 to_string_int.cc: New test.
1164 2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
1166 Fix ConstexprIterator requirements tests - No constexpr algorithms!
1167 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1168 Replace copy with hand-rolled loop.
1169 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1172 2019-06-08 Edward Smith-Rowland <3dw4rd@verizon.net>
1174 Test for C++20 p0858 - ConstexprIterator requirements.
1175 * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
1177 * testsuite/23_containers/array/requirements/constexpr_iter.cc:
1180 2019-06-07 Thomas Rodgers <trodgers@redhat.com>
1182 Rename PSTL macro's consistent with libstdc++ (and llvm upstream
1184 * include/bits/c++config: Rename all macros of the form __PSTL* to
1186 * include/std/algorithm: Likewise.
1187 * include/std/execution: Likewise.
1188 * include/std/numeric: Likewise.
1189 * include/std/memory: Likewise.
1190 * include/pstl/glue_memory_impl.h: Likewise.
1191 * include/pstl/numeric_impl.h: Likewise.
1192 * include/pstl/glue_memory_defs.h: Likewise.
1193 * include/pstl/execution_defs.h: Likewise.
1194 * include/pstl/utils.h: Likewise.
1195 * include/pstl/algorithm_fwd.h: Likewise.
1196 * include/pstl/unseq_backend_simd.h: Likewise.
1197 * include/pstl/glue_execution_defs.h: Likewise.
1198 * include/pstl/algorithm_impl.h: Likewise.
1199 * include/pstl/parallel_impl.h: Likewise.
1200 * include/pstl/memory_impl.h: Likewise.
1201 * include/pstl/glue_numeric_defs.h: Likewise.
1202 * include/pstl/parallel_backend_utils.h: Likewise.
1203 * include/pstl/glue_algorithm_defs.h: Likewise.
1204 * include/pstl/parallel_backend.h: Likewise.
1205 * include/pstl/glue_numeric_impl.h: Likewise.
1206 * include/pstl/parallel_backend_tbb.h: Likewise.
1207 * include/pstl/numeric_fwd.h: Likewise.
1208 * include/pstl/glue_algorithm_impl.h: Likewise.
1209 * include/pstl/execution_impl.h: Likewise.
1210 * include/pstl/pstl_config.h: Likewise.
1211 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1212 * testsuite/util/pstl/test_utils.h: Likewise.
1213 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
1215 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
1217 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
1219 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
1220 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
1221 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
1222 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
1223 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
1225 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
1226 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
1227 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
1228 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
1229 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
1231 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
1232 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
1233 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
1234 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
1235 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
1237 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
1238 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
1239 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
1241 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
1243 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
1244 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
1245 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
1247 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
1249 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
1251 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
1253 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
1255 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
1257 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
1259 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
1261 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
1263 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
1265 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
1267 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
1269 Rename header guards to be consistent with upstream project's
1271 * include/pstl/glue_memory_impl.h: Rename all macros of the form
1272 _PSTL_(.*)_H to _PSTL_\U\1_H.
1273 * include/pstl/numeric_impl.h: Likewise.
1274 * include/pstl/glue_memory_defs.h: Likewise.
1275 * include/pstl/execution_defs.h: Likewise.
1276 * include/pstl/utils.h: Likewise.
1277 * include/pstl/algorithm_fwd.h: Likewise.
1278 * include/pstl/unseq_backend_simd.h: Likewise.
1279 * include/pstl/glue_execution_defs.h: Likewise.
1280 * include/pstl/algorithm_impl.h: Likewise.
1281 * include/pstl/parallel_impl.h: Likewise.
1282 * include/pstl/memory_impl.h: Likewise.
1283 * include/pstl/glue_numeric_defs.h: Likewise.
1284 * include/pstl/parallel_backend_utils.h: Likewise.
1285 * include/pstl/glue_algorithm_defs.h: Likewise.
1286 * include/pstl/parallel_backend.h: Likewise.
1287 * include/pstl/glue_numeric_impl.h: Likewise.
1288 * include/pstl/parallel_backend_tbb.h: Likewise.
1289 * include/pstl/numeric_fwd.h: Likewise.
1290 * include/pstl/glue_algorithm_impl.h: Likewise.
1291 * include/pstl/execution_impl.h: Likewise.
1292 * include/pstl/pstl_config.h: Likewise.
1293 * testsuite/util/pstl/pstl_test_config.h: Likewise.
1295 Synchronize libstdc++ parallel algorithms with upstream
1297 * include/pstl/algorithm_fwd.h: Synchronize with
1298 upstream PSTL project.
1299 * include/pstl/algorithm_impl.h: Likewise.
1300 * include/pstl/execution_defs.h: Likewise.
1301 * include/pstl/execution_impl.h: Likewise.
1302 * include/pstl/glue_algorithm_impl.h: Likewise.
1303 * include/pstl/glue_execution_defs.h: Likewise.
1304 * include/pstl/numeric_fwd.h: Likewise.
1305 * include/pstl/numeric_impl.h: Likewise.
1306 * include/pstl/parallel_backend.h: Likewise.
1307 * include/pstl/pstl_config.h: Likewise.
1308 * include/pstl/unseq_backend_simd.h: Likewise.
1309 * include/pstl/parallel_backend_serial.h: New file.
1310 * include/Makefile.am (pstl_headers): Add
1311 parallel_backend_serial.h.
1312 * include/Makefile.in: Regenerate.
1314 Clean up non-conforming names
1315 * include/pstl/algorithm_impl.h (__parallel_set_union_op):
1316 Uglfiy copy_range1 and copy_range2
1317 (__pattern_walk2_n): Rename local n to __n
1318 * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
1319 Rename parameter _T to _Tp.
1321 Integrate non-TBB serial backend support
1322 * include/bits/c++config: Adjust TBB detection logic to select serial
1323 PSTL backend if no TBB present.
1324 * testsuite/utils/pstl/test_utils.h: Remove check for
1325 _PSTL_USE_PAR_POLICIES
1327 2019-06-07 Jonathan Wakely <jwakely@redhat.com>
1329 * testsuite/24_iterators/container_access.cc: Move dg-options before
1330 dg-do directive so the target check uses the -std option.
1333 * configure: Regenerate.
1334 * src/Makefile.am (stamp-debug): Also test for missing makefile.
1335 * src/Makefile.in: Regenerate.
1337 2019-06-06 Jonathan Wakely <jwakely@redhat.com>
1339 * include/std/array: Do not include <stdexcept>.
1340 * include/std/optional: Include <exception> and
1341 <bits/exception_defines.h> instead of <stdexcept>.
1342 * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
1344 * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
1346 * testsuite/23_containers/map/erasure.cc: Include <string>.
1347 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
1349 * testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
1350 dg-prune-output for different C++98 diagnostic.
1351 * testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
1353 * testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
1355 * testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
1357 * testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
1359 * testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
1361 * testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
1363 * testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
1365 * testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
1367 * testsuite/23_containers/vector/requirements/dr438/
1368 constructor_1_neg.cc: Likewise.
1369 * testsuite/23_containers/vector/requirements/dr438/
1370 constructor_2_neg.cc: Likewise.
1371 * testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
1373 * testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
1375 * testsuite/23_containers/unordered_map/requirements/debug_container.cc:
1376 Do not test allocator rebinding extension for C++2a.
1377 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
1378 dg-do directive for C++17 and C++2a.
1380 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1381 1_c++0x.cc: Remove redundant test.
1382 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1383 2.cc: Use target selector instead of preprocessor condition.
1384 * testsuite/23_containers/deque/requirements/explicit_instantiation/
1385 3.cc: Do not run test for C++2a.
1386 * testsuite/23_containers/forward_list/requirements/
1387 explicit_instantiation/3.cc: Likewise.
1388 * testsuite/23_containers/forward_list/requirements/
1389 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1391 * testsuite/23_containers/list/requirements/explicit_instantiation/
1392 1_c++0x.cc: Remove redundant test.
1393 * testsuite/23_containers/list/requirements/explicit_instantiation/
1394 2.cc: Use target selector instead of preprocessor condition.
1395 * testsuite/23_containers/list/requirements/explicit_instantiation/
1396 3.cc: Do not run test for C++2a.
1397 * testsuite/23_containers/list/requirements/explicit_instantiation/
1398 5.cc: Do not test allocator rebinding extension for C++2a.
1399 * testsuite/23_containers/map/requirements/explicit_instantiation/
1400 1_c++0x.cc: Remove redundant test.
1401 * testsuite/23_containers/map/requirements/explicit_instantiation/
1402 2.cc: Adjust comment.
1403 * testsuite/23_containers/map/requirements/explicit_instantiation/
1404 3.cc: Do not run test for C++2a.
1405 * testsuite/23_containers/map/requirements/explicit_instantiation/
1406 5.cc: Do not test allocator rebinding extension for C++2a.
1407 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1408 1_c++0x.cc: Remove redundant test.
1409 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1410 3.cc: Do not run test for C++2a.
1411 * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1412 5.cc: Do not test allocator rebinding extension for C++2a.
1413 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1414 3.cc: Do not run test for C++2a.
1415 * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1416 5.cc: Do not test allocator rebinding extension for C++2a.
1417 * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
1418 Do not run test for C++2a.
1419 * testsuite/23_containers/set/requirements/explicit_instantiation/
1420 1_c++0x.cc: Remove redundant test.
1421 * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
1422 Do not test allocator rebinding extension for C++2a.
1423 * testsuite/23_containers/unordered_map/requirements/
1424 explicit_instantiation/3.cc: Likewise.
1425 * testsuite/23_containers/unordered_map/requirements/
1426 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1428 * testsuite/23_containers/unordered_multimap/requirements/
1429 explicit_instantiation/3.cc: Do not run test for C++2a.
1430 * testsuite/23_containers/unordered_multimap/requirements/
1431 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1433 * testsuite/23_containers/unordered_multiset/requirements/
1434 explicit_instantiation/3.cc: Do not run test for C++2a.
1435 * testsuite/23_containers/unordered_multiset/requirements/
1436 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1438 * testsuite/23_containers/unordered_set/requirements/
1439 explicit_instantiation/3.cc: Do not run test for C++2a.
1440 * testsuite/23_containers/unordered_set/requirements/
1441 explicit_instantiation/5.cc: Do not test allocator rebinding extension
1443 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1444 2.cc: Remove redundant test.
1445 * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1446 3.cc: Do not run test for C++2a.
1447 * testsuite/23_containers/vector/requirements/explicit_instantiation/
1450 * include/std/type_traits (is_empty, is_polymorphic, is_final)
1451 (is_abstract, is_aggregate): Remove static_assert.
1452 * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
1454 * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
1455 missing -std=gnu++17 option.
1456 * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
1457 * testsuite/20_util/is_final/incomplete_neg.cc: New test.
1458 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
1461 * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
1462 * testsuite/18_support/set_unexpected.cc: Likewise.
1463 * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
1465 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
1466 function to be valid in C++11.
1467 * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
1468 * testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
1469 include Library Fundamentals or Networking headers in C++11 mode.
1470 * testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
1472 * include/std/tuple (_TC): Replace with _TupleConstraints.
1473 (_TupleConstraints): New helper for SFINAE constraints, with more
1474 expressive member functions to reduce duplication when used.
1475 (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
1476 (tuple::_TCC): Replace dummy type parameter with bool non-type
1477 parameter that can be used to check the pack size.
1478 (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
1479 (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
1480 checking constraints in constructors.
1481 (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
1483 (tuple::tuple): Use new helpers to reduce repitition in constraints.
1484 (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
1485 (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
1486 (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
1487 (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
1488 constraints in constructors.
1489 (tuple::__is_alloc_arg()): New SFINAE helpers.
1490 (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
1492 (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
1493 * testsuite/20_util/tuple/cons/90700.cc: New test.
1494 * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
1495 to meet new constraint on allocator-extended default constructor.
1497 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
1499 * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
1500 * include/bits/stl_multimap.h (multimap): Likewise.
1502 2019-06-03 François Dumont <fdumont@gcc.gnu.org>
1504 Rename variables and cleanup comments.
1505 * include/bits/hashtable_policy.h
1506 * include/bits/hashtable.h
1508 2019-06-03 Jonathan Wakely <jwakely@redhat.com>
1510 * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
1511 Fix bgcolor for P0340R3.
1512 * doc/html/*: Regenerate.
1515 * doc/xml/manual/status_cxx2014.xml: Document what's missing from
1516 <experimental/memory_resource>.
1517 * doc/xml/manual/status_cxx2020.xml: Document status of P1285R0,
1518 P0339R6, P0340R3, P1164R1 and P1357R1.
1519 * doc/html/*: Regenerate.
1521 * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
1522 * include/bits/forward_list.h [__cplusplus > 201703]: Enable
1523 allocator::value_type assertion for C++2a.
1524 * include/bits/hashtable.h: Likewise.
1525 * include/bits/stl_deque.h: Likewise.
1526 * include/bits/stl_list.h: Likewise.
1527 * include/bits/stl_map.h: Likewise.
1528 * include/bits/stl_multimap.h: Likewise.
1529 * include/bits/stl_multiset.h: Likewise.
1530 * include/bits/stl_set.h: Likewise.
1531 * include/bits/stl_vector.h: Likewise.
1532 * testsuite/23_containers/deque/48101-3_neg.cc: New test.
1533 * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
1534 * testsuite/23_containers/list/48101-3_neg.cc: New test.
1535 * testsuite/23_containers/map/48101-3_neg.cc: New test.
1536 * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
1537 * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
1538 * testsuite/23_containers/set/48101-3_neg.cc: New test.
1539 * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
1540 * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
1541 * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
1542 * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
1543 * testsuite/23_containers/vector/48101-3_neg.cc: New test.
1545 2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
1547 * doc/xml/manual/allocator.xml: Move hoard.org back to http.
1549 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1551 * include/std/tuple (tuple<>): Add noexcept to allocator-extended
1553 (tuple<T1, T2>::__nothrow_default_constructible()): New helper
1555 (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
1557 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1559 * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
1562 * libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
1563 definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
1564 * libsupc++/eh_term_handler.h: New header defining
1565 _GLIBCXX_DEFAULT_TERM_HANDLER.
1566 * libsupc++/eh_terminate.cc: Include eh_term_handler.h.
1567 (set_terminate): Restore default handler when argument is null.
1568 (set_unexpected): Likewise.
1569 * testsuite/18_support/set_terminate.cc: New test.
1570 * testsuite/18_support/set_unexpected.cc: New test.
1572 * include/backward/hashtable.h (size_t, ptrdiff_t)
1573 (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
1574 (distance, vector, pair, __iterator_category): Remove
1575 using-declarations that add these names to namespace __gnu_cxx.
1576 * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
1577 * include/ext/debug_allocator.h (size_t): Likewise.
1578 * include/ext/functional (size_t, unary_function, binary_function)
1579 (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
1581 * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
1582 * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
1583 * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
1584 * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
1585 * include/ext/numeric (iota): Fix outdated comment.
1586 * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
1587 * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
1588 * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
1589 * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
1590 (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
1592 * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
1593 (allocator, __true_type, __false_type): Likewise.
1595 2019-05-31 Antony Polukhin <antoshkka@gmail.com>
1598 * include/std/type_traits __type_identity, __is_complete_or_unbounded):
1599 New helpers for checking preconditions in traits.
1600 (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
1601 (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
1602 (is_destructible, is_nothrow_destructible, is_constructible)
1603 (is_default_constructible, is_copy_constructible)
1604 (is_move_constructible, is_nothrow_default_constructible)
1605 (is_nothrow_constructible, is_nothrow_copy_constructible)
1606 (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
1607 (is_nothrow_assignable, is_nothrow_copy_assignable)
1608 (is_nothrow_move_assignable, is_trivially_constructible)
1609 (is_trivially_copy_constructible, is_trivially_move_constructible)
1610 is_trivially_assignable, is_trivially_copy_assignable)
1611 (is_trivially_move_assignable, is_trivially_destructible)
1612 (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
1613 (is_invocable_r, is_nothrow_invocable)
1614 (has_unique_object_representations, is_aggregate): Add static_asserts
1615 to make sure that type traits are not misused with incomplete types.
1616 (__is_constructible_impl, __is_nothrow_default_constructible_impl)
1617 (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
1618 base characteristics without assertions that can be reused in other
1620 * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
1621 * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
1623 * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
1624 * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
1625 * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
1626 * testsuite/20_util/is_class/value.cc: Check incomplete type.
1627 * testsuite/20_util/is_function/value.cc: Likewise.
1628 * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
1629 * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
1631 * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
1632 * testsuite/20_util/is_reference/value.cc: Check incomplete types.
1633 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
1634 * testsuite/20_util/is_union/value.cc: Likewise.
1635 * testsuite/20_util/is_void/value.cc: Likewise.
1636 * testsuite/util/testsuite_tr1.h: Add incomplete union type.
1638 2019-05-31 Jonathan Wakely <jwakely@redhat.com>
1640 * include/bits/random.h (random_device::_M_init(const char*, size_t)):
1641 Add new private member function.
1642 * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
1643 (random_device::_M_init_pretr1(const string&)): Call new private
1644 member with string data.
1645 * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
1647 * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
1648 test using COW strings.
1649 * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
1650 a value from the device.
1651 * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
1652 Fix typo in token string.
1654 2019-05-30 Nina Dinka Ranns <dinka.ranns@gmail.com>
1656 LWG2788 basic_string spurious use of a default constructible allocator
1657 * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
1658 (basic_string::_M_replace_dispatch): Construct temporary string with
1659 the current allocator.
1660 * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
1661 * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
1663 2019-05-30 Jonathan Wakely <jwakely@redhat.com>
1665 * doc/xml/manual/diagnostics.xml: Update list of headers that define
1667 * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
1668 section about new/delete overloads. Improve section on verbose
1670 * doc/html/*: Regenerate.
1672 * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
1673 P0811R3. Change status of P1353R0.
1674 * doc/html/*: Regenerate.
1676 * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
1677 documentation of implementation-defined types for [thread.req.native].
1678 * doc/xml/manual/status_cxx2017.xml: Update documentation of
1679 implementation-defined strings for [variant.bad.access]. Fix typo in
1680 documentation of implementation-defined support for [fs.conform.9945].
1681 * doc/html/*: Regenerate.
1683 2019-05-29 Jonathan Wakely <jwakely@redhat.com>
1686 * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
1687 that fails on mingw-w64.
1690 * src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
1691 (status(const path&, error_code&)): Use parent_path() to remove
1693 (symlink_status(const path&, error_code&)): Duplicate workaround for
1694 bug in _wstat for paths with trailing slash.
1695 * testsuite/27_io/filesystem/operations/remove_all.cc: Check path
1696 with trailing slash.
1697 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
1698 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
1700 * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
1701 once instead of building it iteratively.
1703 * testsuite/util/testsuite_api.h: Remove names of unused parameters.
1705 PR libstdc++/85494 use rdseed and rand_s in std::random_device
1706 * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
1707 the assembler supports rdseed.
1708 * config.h.in: Regenerate.
1709 * configure: Regenerate.
1710 * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
1711 * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
1712 * doc/html/*: Regenerate.
1713 * doc/xml/manual/status_cxx2011.xml: Document new tokens.
1714 * include/bits/random.h (random_device::random_device()): Always call
1715 _M_init rather than _M_init_pretr1.
1716 (random_device::random_device(const string&)): Likewise.
1717 (random_device::operator()()): Always call _M_getval().
1718 (random_device::_M_file): Replace first member of union with an
1719 anonymous struct, with _M_file as its first member.
1720 * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
1721 [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
1722 (USE_MT19937): Define if none of the above are defined.
1723 (USE_POSIX_FILE_IO): Define.
1724 (_M_strtoul): Remove.
1725 [USE_RDSEED] (__x86_rdseed): Define new function.
1726 [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
1727 (random_device::_M_init(const string&)): Initialize new union members.
1728 Add support for "rdseed" and "rand_s" tokens. Decide what the
1729 "default" token does according to which USE_* macros are defined.
1730 [USE_POSIX_FILE_IO]: Store a file descriptor.
1731 [USE_MT19937]: Forward to _M_init_pretr1 instead.
1732 (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
1733 code from _M_strtoul.
1734 [!USE_MT19937]: Call _M_init, transforming the old default token or
1735 numeric tokens to "default".
1736 (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
1737 (random_device::_M_getval()): Use new union members to obtain a
1738 random number from the stored function pointer or file descriptor.
1739 [USE_MT19937]: Obtain a value from the mt19937 engine.
1740 (random_device::_M_getval_pretr1()): Call _M_getval().
1741 (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
1743 [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
1744 * testsuite/26_numerics/random/random_device/85494.cc: New test.
1746 2019-05-28 Jonathan Wakely <jwakely@redhat.com>
1749 * include/experimental/bits/fs_path.h (path::path(path&&)): Only call
1750 _M_split_cmpts() for a path with multiple components.
1751 (path::_S_is_dir_sep()): Add missing 'static' keyword to function.
1752 * src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
1753 components and reserve space in vector. Return early when there is
1755 * testsuite/27_io/filesystem/path/construct/90634.cc: New test.
1756 * testsuite/experimental/filesystem/path/construct/90634.cc: New test.
1758 * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
1759 form of std::equals for C++11 compatibility.
1761 2019-05-26 Gerald Pfeifer <gerald@pfeifer.com>
1763 * doc/xml/manual/appendix_contributing.xml: Update pointer to
1764 C++ standard at ansi.org.
1766 2019-05-24 Jonathan Wakely <jwakely@redhat.com>
1768 * include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
1769 * testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
1772 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
1773 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
1775 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
1777 * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific
1779 * testsuite/20_util/function_objects/invoke/3.cc: New test.
1780 * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
1781 "compile" test to "run".
1783 * doc/xml/manual/intro.xml: Document LWG DR 2996 change.
1784 * doc/html/*: Regenerate.
1785 * include/bits/shared_ptr.h (shared_ptr(shared_ptr&&, T*)): Add
1786 rvalue aliasing constructor.
1787 (static_pointer_cast, const_pointer, dynamic_pointer_cast)
1788 (reinterpret_pointer_cast): Add overloads taking rvalues.
1789 * include/bits/shared_ptr_base.h (__shared_ptr(__shared_ptr&&, T*)):
1790 Add rvalue aliasing constructor.
1791 * testsuite/20_util/shared_ptr/casts/1.cc: Change "compile" test to
1792 "run" and check return values as well as types.
1793 * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
1794 * testsuite/20_util/shared_ptr/casts/rval.cc: New test.
1795 * testsuite/20_util/shared_ptr/cons/alias-rval.cc: New test.
1796 * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused return
1799 * doc/xml/manual/evolution.xml: Document LWG DR 2921 change.
1800 * doc/xml/manual/intro.xml: Likewise.
1801 * include/std/future (__create_task_state): Add default arguments
1802 to make providing an allocator optional.
1803 (packaged_task::packaged_task(F&&)): Call __create_task_state directly
1804 instead of delegating to another constructor.
1805 (packaged_task::packaged_task(allocator_arg_t, const A&, ...)): Do not
1806 define allocator-extended constructors for C++17 and later.
1807 * testsuite/30_threads/packaged_task/cons/alloc.cc: Only run test for
1809 * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1810 * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1811 * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1813 2019-05-23 Hans-Peter Nilsson <hp@axis.com>
1815 * testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
1816 Don't run the libstdc++/83237 part on simulator targets.
1818 2019-05-23 Jonathan Wakely <jwakely@redhat.com>
1820 * doc/xml/manual/status_cxx2017.xml: Add feature test macro for
1822 * doc/html/*: Regenerate.
1824 * include/experimental/any (__any_caster): Use RTTI if comparing
1825 addresses fails, to support non-unique addresses in shared libraries.
1826 * include/std/any (__any_caster): Likewise.
1829 * include/experimental/any (__any_caster): Constrain to only be
1830 callable for object types. Use remove_cv_t instead of decay_t.
1831 If the type decays or isn't copy constructible, compare the manager
1832 function to a dummy specialization.
1833 (__any_caster): Add overload constrained for non-object types.
1834 (any::_Manager_internal<_Op>): Add dummy specialization.
1835 * testsuite/experimental/any/misc/any_cast.cc: Test function types
1838 2019-05-22 Jonathan Wakely <jwakely@redhat.com>
1841 * src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
1842 reversed arguments to uninitialized_copy_n.
1843 * testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
1844 is unchanged by copy assignment.
1845 * testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
1846 compare path components.
1849 * include/experimental/memory_resource: Add system header pragma and
1850 do not define anything unless compiled as C++14 or later.
1851 (__resource_adaptor_common::__guaranteed_alignment): Remove.
1852 (__resource_adaptor_imp::do_allocate): If the requested alignment
1853 is a fundamental alignment then either allocate directly from _M_alloc
1854 or call the new _M_allocate function.
1855 (__resource_adaptor_imp::do_deallocate): Likewise for deallocation.
1856 (__resource_adaptor_imp::_M_allocate): New function that uses a copy
1857 of the allocator rebound to a POD type with the specified alignment.
1858 (__resource_adaptor_imp::_M_deallocate): Likewise for deallocation.
1859 * testsuite/experimental/memory_resource/new_delete_resource.cc:
1860 Adjust expected allocation sizes.
1861 * testsuite/experimental/memory_resource/resource_adaptor.cc: Remove
1862 xfail for Solaris x86.
1864 2019-05-21 Thomas Rodgers <trodgers@redhat.com>
1866 LWG 3062 - Unnecessary decay_t in is_execution_policy_v
1867 * include/pstl/execution_defs.h (__enable_if_execution_policy):
1868 Use std::__remove_cvref_t when building with GCC.
1870 2019-05-21 Jonathan Wakely <jwakely@redhat.com>
1873 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1874 Use "additional_flags" to pass -ltbb to v3_target_compile command.
1875 Use check_v3_target_prop_cached to cache the result of the test.
1877 * doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
1879 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
1882 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1883 Changed v3_target_compile check from preprocess to executable.
1884 Added "-ltbb" to v3_target_compile flags.
1886 2019-05-20 Thomas Rodgers <trodgers@redhat.com>
1888 * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
1889 Add check for Thread Building Blocks 2018 or later.
1891 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1893 * testsuite/experimental/names.cc: Only include Networking TS headers
1894 on targets with the necessary Gthreads support.
1896 2019-05-20 Marek Polacek <polacek@redhat.com>
1898 CWG 2094 - volatile scalars are trivially copyable.
1900 * testsuite/20_util/is_trivially_copyable/value.cc: Change the expected
1901 result for volatile int.
1903 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1905 * testsuite/17_intro/names.cc: Do not check 'ptr' on Solaris.
1906 * testsuite/experimental/names.cc: Include <experimental/filesystem>
1909 PR c++/90532 Ensure __is_constructible(T[]) is false
1910 * include/std/type_traits (__do_is_default_constructible_impl)
1911 (__is_default_constructible_atom, __is_default_constructible_safe):
1913 (is_default_constructible): Use is_constructible.
1914 * testsuite/20_util/is_constructible/value.cc: Check int[] case.
1915 * testsuite/20_util/is_default_constructible/value.cc: Likewise.
1916 * testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
1917 * testsuite/20_util/is_trivially_default_constructible/value.cc:
1920 2019-05-20 Pádraig Brady <pbrady@fb.com>
1922 * libstdc++-v3/include/ext/new_allocator.h (deallocate): Pass the size
1923 to the deallocator with -fsized-deallocation.
1925 2019-05-20 Jonathan Wakely <jwakely@redhat.com>
1927 * testsuite/experimental/memory_resource/new_delete_resource.cc: Fix
1928 test by passing correct alignment to deallocate function.
1930 2019-05-18 Jonathan Wakely <jwakely@redhat.com>
1933 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
1934 Raise exception if unique_ptr tuple member has unknown structure.
1935 * python/libstdcxx/v6/xmethods.py (UniquePtrGetWorker.__call__):
1936 Adjust worker to support new __uniq_ptr_data base class. Do not
1937 assume field called _M_head_impl is the first tuple element.
1939 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
1941 * include/bits/stl_deque.h
1942 (_Deque_iterator<>::__ptr_to): Remove, use std::__ptr_rebind.
1943 (_Deque_base(_Deque_base&&, const allocator_type&)): New.
1944 (_Deque_base::_Deque_impl_data): New.
1945 (_Deque_base::_Deque_impl): Inherit latter.
1946 (_Deque_base::_Deque_impl::_M_swap_data): Move...
1947 (_Deque_base::_Deque_impl_data::_M_swap_data): ... here.
1948 (_Deque_base::_Deque_impl()): Add noexcept qualification.
1949 (_Deque_base::_Deque_impl(_Deque_impl&&, _Tp_alloc_type&&)): New.
1950 (_Deque_base::_Deque_impl::_M_get_Tp_allocator()): Remove static_cast.
1951 (deque<>::deque()): Default.
1952 (deque<>::deque(deque&&)): Default.
1953 (deque<>::deque(deque&&, const allocator_type&, false_type)): New.
1954 (deque<>::deque(deque&&, const allocator_type&, true_type)): New.
1955 (deque<>::deque(deque&&, const allocator_type&)): Delegate to latters.
1956 (deque<>::deque<_It>(_It, _It, const allocator_type&)): Use
1957 _M_range_initialize.
1958 (deque<>::assign<_It>(_It, _It)): Use _M_assign_aux.
1959 (deque<>::resize(size_type, const value_type&)): Share a single
1961 (deque<>::insert<_It>(const_iterator, _It, _It)): Use
1962 _M_range_insert_aux.
1963 [__cplusplus >= 201103L](_M_initialize_dispatch): Remove.
1964 [__cplusplus >= 201103L](_M_assign_dispatch): Remove.
1965 [__cplusplus >= 201103L](_M_insert_dispatch): Remove.
1966 * testsuite/23_containers/deque/allocator/default_init.cc: New.
1968 2019-05-17 Jonathan Wakely <jwakely@redhat.com>
1971 * include/std/variant (holds_alternative, get, get_if): Improve
1972 static assertion messages.
1973 (bad_variant_access::bad_variant_access()): Change default message.
1974 (__throw_bad_variant_access(bool)): New overload.
1975 (get): Use new overload.
1976 (visit, visit<R>): Improve exception message.
1978 * testsuite/20_util/variant/compile.cc: Fix narrowing test for ILP32
1979 targets. Add more cases from P0608R3.
1980 * testsuite/20_util/variant/run.cc: Add more cases from P0608R3.
1982 * include/bits/random.h (seed_seq::param): Fix non-reserved name.
1983 * include/experimental/type_traits (is_detected_exact)
1984 (is_detected_exact_v): Likewise.
1985 * include/pstl/execution_defs.h (is_execution_policy)
1986 (is_execution_policy_v, __enable_if_execution_policy): Likewise.
1987 * include/pstl/execution_impl.h (__policy_traits): Likewise.
1988 * testsuite/17_intro/names.cc: Check for more non-reserved names.
1989 * testsuite/experimental/names.cc: New test.
1992 * include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
1993 assertions from the destructor.
1994 * include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
1995 Move static_assert for hash function to here.
1996 (_Hash_table_base::_M_equals): Move static_assert for equality
1998 * include/bits/stl_tree.h (_Rb_tree::_S_value(_Const_Link_type)):
2000 (_Rb_tree::_S_key(_Const_Link_type)): Move assertions here. Access
2001 the value directly instead of calling _S_value.
2002 (_Rb_tree::_S_value(_Const_Base_ptr)): Remove.
2003 (_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
2004 _S_key(_Const_Link_type).
2005 * testsuite/23_containers/set/85965.cc: Check construction,
2006 destruction, assignment and size() do not trigger the assertions.
2007 * testsuite/23_containers/unordered_set/85965.cc: Likewise.
2008 * testsuite/23_containers/map/48101_neg.cc: Call find and adjust
2010 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
2011 * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
2012 * testsuite/23_containers/set/48101_neg.cc: Likewise.
2013 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
2014 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
2015 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
2016 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2018 * include/bits/invoke.h [__cplusplus < 201703L] (__invoke_r<void>):
2019 Use _GLIBCXX14_CONSTEXPR because void functions cannot be constexpr
2022 * doc/xml/manual/status_cxx2020.xml: Update P0608R3, P0777R1, and
2024 * doc/html/*: Regenerate.
2025 * include/std/tuple (make_from_tuple): Use remove_reference_t instead
2026 of decay_t (P0777R1).
2028 2019-05-17 François Dumont <fdumont@gcc.gnu.org>
2030 Move from state of allocators (LWG2593)
2031 * include/bits/stl_deque.h
2032 (_Deque_base(_Deque_base&&, false_type)): Remove.
2033 (_Deque_base(_Deque_base&&, true_type)): Remove.
2034 (_Deque_base(_Deque_base&&)): Adapt.
2035 (_Deque_base::_M_move_impl()): Remove.
2036 * testsuite/util/testsuite_allocator.h
2037 (propagating_allocator(propagating_allocator&&)): Preserve move from
2039 * testsuite/23_containers/deque/allocator/move_assign.cc (test02):
2041 * testsuite/23_containers/forward_list/allocator/move_assign.cc (test02):
2043 * testsuite/23_containers/list/allocator/move_assign.cc (test02): Adapt.
2044 * testsuite/23_containers/map/allocator/move_assign.cc (test02): Adapt.
2045 * testsuite/23_containers/multimap/allocator/move_assign.cc (test02):
2047 * testsuite/23_containers/multiset/allocator/move_assign.cc (test02):
2049 * testsuite/23_containers/set/allocator/move_assign.cc (test02): Adapt.
2050 * testsuite/23_containers/unordered_map/allocator/move_assign.cc
2052 * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc
2054 * testsuite/23_containers/unordered_multiset/allocator/move_assign.cc
2056 * testsuite/23_containers/unordered_set/allocator/move_assign.cc
2058 * testsuite/23_containers/vector/allocator/move_assign.cc (test02):
2060 * testsuite/23_containers/vector/bool/allocator/move_assign.cc (test02):
2062 * testsuite/21_strings/basic_string/allocator/char/move_assign.cc
2064 * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc
2067 2019-05-16 Jonathan Wakely <jwakely@redhat.com>
2069 * src/c++17/fs_ops.cc (absolute(const path&, error_code&))
2070 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
2072 * include/std/variant (__overload_set): Remove.
2074 (_Build_FUN): New class template to define a single FUN overload,
2075 with specializations to prevent unwanted conversions, as per P0608R3.
2076 (_Build_FUNs): New class template to build an overload set of FUN.
2077 (_FUN_type): New alias template to perform overload resolution.
2078 (__accepted_type): Use integer_constant base for failure case. Use
2079 _FUN_type for successful case.
2080 (variant::__accepted_index): Use _Tp instead of _Tp&&.
2081 (variant::variant(_Tp&&)): Likewise.
2082 (variant::operator=(_Tp&&)): Likewise.
2084 * include/std/variant (_Variant_storage<false, _Types...>::_M_reset):
2085 Replace raw visitation with a runtime check for the valueless state
2086 and a non-raw visitor.
2087 (_Variant_storage<false, _Types...>::_M_reset_impl): Remove.
2088 (variant::index()): Remove branch.
2089 (variant::swap(variant&)): Use valueless_by_exception() instead of
2090 comparing the index to variant_npos, and add likelihood attribute.
2092 * include/bits/hashtable_policy.h (_Equal_helper): Remove.
2093 (_Hashtable_base::_Equal_hash_code): Define new class template.
2094 (_Hashtable_base::_M_equals): Use _Equal_hash_code instead of
2097 * include/bits/hashtable_policy.h (_Hashtable_ebo_helper::_S_get):
2098 Replace with _M_get non-static member function.
2099 (_Hashtable_ebo_helper::_S_cget): Replace with _M_cget non-static
2101 (_Hash_code_base, _Local_iterator_base, _Hashtable_base):
2102 (_Hashtable_alloc): Adjust to use non-static members of EBO helper.
2104 * include/bits/hashtable_policy.h (_Hash_code_base::_M_swap): Use
2105 _S_get accessors for members in EBO helpers.
2106 (_Hash_code_base::_M_extract(), _Hash_code_base::_M_ranged_hash())
2107 (_Hash_code_base::_M_h1(), _Hash_code_base::_M_h2()): Remove non-const
2109 (_Hashtable_base::_M_swap): Use _S_get accessors for members in EBO
2111 (_Hashtable_base::_M_eq()): Remove non-const overload.
2113 2019-05-15 Jonathan Wakely <jwakely@redhat.com>
2115 * include/std/variant (visit, visit<R>): Qualify calls to __do_visit.
2117 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2119 * testsuite/util/testsuite_allocator.h (NullablePointer::operator bool):
2122 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2124 * config/os/solaris/solaris2.10: Move to ...
2125 * config/os/solaris: ... this.
2126 * configure.host (os_include_dir): Adapt.
2127 (abi_baseline_pair): Remove Solaris 10 handling.
2128 * config/abi/post/i386-solaris2.10: Remove.
2129 * config/abi/post/sparc-solaris2.10: Remove.
2130 * config/abi/post/i386-solaris2.11: Rename to ...
2131 * config/abi/post/i386-solaris: ... this.
2132 * config/abi/post/sparc-solaris2.11: Rename to ...
2133 * config/abi/post/sparc-solaris: ... this.
2135 * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] [__sun]: Remove
2138 * testsuite/ext/enc_filebuf/char/13598.cc: Remove *-*-solaris2.10
2141 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2143 * include/std/variant (__visit_with_index): Remove typedef.
2144 (__deduce_visit_result): New tag type.
2145 (__raw_visit, __raw_idx_visit): New helper functions for "raw"
2146 visitation of possibly-valueless variants, forwarding to __do_visit
2147 with the relevant tag type.
2148 (_Variant_storage<false, _Types...>::_M_reset_impl): Use __raw_visit
2149 and make lambda return void.
2150 (__variant_construct): Likewise.
2151 (_Copy_assign_base::operator=, _Move_assign_base::operator=): Use
2152 __raw_idx_visit and make lambda return void.
2153 (_Multi_array::__untag_result): Add metafunction to check the function
2154 pointer type for a tag type that dictates the kind of visitation.
2155 (_Multi_array<_Ret(*)(_Visitor, _Variants...), __first, __rest...>):
2156 Use decltype(auto) instead of tagged function pointer type.
2157 (__gen_vtable_impl): Remove bool non-type parameter and unused
2158 _Variant_tuple parameter.
2159 (__gen_vtable_impl::__visit_invoke_impl): Remove.
2160 (__gen_vtable_impl::__do_visit_invoke): Remove.
2161 (__gen_vtable_impl::__do_visit_invoke_r): Remove.
2162 (__gen_vtable_impl::__visit_invoke): Use if-constexpr and __invoke_r
2163 for the visit<R> case, rather than dispatching to separate functions.
2164 (_VARIANT_RELATION_FUNCTION_TEMPLATE): Use __raw_idx_visit and make
2166 (variant::swap): Likewise.
2167 (__do_visit): Replace two non-type template parameters with a single
2168 type parameter, so that the caller must specify the visitor's return
2169 type (or one of the tag types).
2170 (visit): Deduce a return type from the visitor and use the
2171 __deduce_visit_result tag to enforce that all overloads return the
2173 (visit<R>): Call __do_visit<R> with explicit result type.
2174 (__variant_hash_call_base_impl::operator()): Use __raw_visit and make
2177 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2179 nonesuch is insufficiently useless (lwg2996)
2180 * include/std/type_traits (struct __nonesuch): Added private base
2181 class to make __nonesuch not an aggregate and removed deleted default
2183 * include/bits/stl_pair.h (struct __nonesuch_no_braces): Removed.
2184 (operator=(const pair&)): Use __nonesuch instead of
2185 __nonesuch_no_braces.
2186 (operator=(pair&&)): Likewise
2187 * include/std/tuple (operator=(const tuple&)): Use __nonesuch instead
2188 of __nonesuch_no_braces.
2189 (operator=(tuple&&)): Likewise
2190 * include/experimental/type_traits (struct nonesuch): Added private
2191 base class to make nonesuch not an aggregate and removed deleted
2192 default constructor.
2193 * testsuite/20_util/nonesuch/nonesuch.cc: New.
2194 * testsuite/experimental/type_traits/nonesuch.cc: New.
2196 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2198 * include/bits/std_function.h (_Simple_type_wrapper): Remove.
2199 (_Function_handler): Remove partial specializations for void return
2200 types and pointers to member.
2201 (_Function_handler::_M_manager): Adapt to removal of
2202 _Simple_type_wrapper.
2203 (_Function_handler::_M_invoke): Use __invoke_r instead of __invoke.
2204 * include/std/functional (_Bind_result::__enable_if_void)
2205 (_Bind_result::__disable_if_void): Remove sfinae helpers.
2206 (_Bind_result::__call): Use __invoke_r and remove overloads for void
2208 * include/std/future (__future_base::_Task_state::_M_run)
2209 (__future_base::_Task_state::_M_run_delayed): Use __invoke_r and
2210 change return type of lambda expressions.
2212 * include/bits/invoke.h (__invoke_r): Define new function implementing
2213 the INVOKE<R> pseudo-function.
2214 * testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
2215 * testsuite/20_util/function_objects/invoke/2.cc: New test.
2217 * include/std/type_traits (__is_nt_convertible_helper): Define it
2218 unconditionally, not only for C++20.
2219 (__is_nothrow_convertible): Define internal trait for use in C++11.
2220 (__is_nt_invocable_impl: Fix by using __is_nothrow_convertible.
2221 (is_invocable_r_v, is_nothrow_invocable_r_v): Add missing parameter.
2222 * testsuite/20_util/is_nothrow_convertible/value_ext.cc: New test.
2223 * testsuite/20_util/is_nothrow_convertible/value.cc: Check with type
2224 that has nothrow explicit conversion but potentially-throwing implicit
2226 * testsuite/20_util/is_nothrow_invocable/value.cc: Likewise.
2227 * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix helper
2228 function to only consider implicit conversions.
2229 * testsuite/20_util/tuple/cons/noexcept_specs.cc: Add comment.
2231 * include/std/iterator: Include <iosfwd> instead of <istream> and
2234 * include/bits/stl_tree.h (_Rb_tree::erase(const Key*, const Key*)):
2235 Remove unused, non-standard function.
2237 * include/bits/regex.h (match_results::max_size()): Adjust return
2238 value to account for prefix/suffix/unmatched subs.
2239 (match_results::_M_resize(unsigned int)): Use _Base_type::assign to
2240 reset the contained sub matches.
2241 (match_results::_M_establish_failed_match(_Bi_iter)): Add new member
2242 function to set result state following a failed match.
2243 * include/bits/regex.tcc (__regex_algo_impl): Remove loop to set
2244 sub_match states after _M_resize. Use _M_establish_failed_match.
2247 * include/std/thread (thread::_State_impl, thread::_S_make_state):
2248 Replace single _Callable parameter with variadic _Args pack, to
2249 forward them directly to the tuple of decayed copies.
2250 * testsuite/30_threads/thread/cons/69724.cc: New test.
2252 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
2254 Inconsistency wrt Allocators in basic_string assignment (LWG2579)
2255 * include/bits/basic_string.h: (operator=(const basic_string&):
2256 Move allocator decision to assign.
2257 (assign(const basic_string&)): Move allocator decision here.
2258 * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
2260 * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
2263 2019-05-14 Jonathan Wakely <jwakely@redhat.com>
2265 * testsuite/util/testsuite_allocator.h (memory_resource)
2266 (default_resource_mgr): Fix indentation.
2268 * testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
2269 Use operator-> to access raw pointer member.
2270 * testsuite/23_containers/vector/59829.cc: Likewise.
2271 * testsuite/23_containers/vector/bool/80893.cc: Likewise.
2272 * testsuite/libstdc++-prettyprinters/cxx11.cc: Use NullablePointer.
2273 * testsuite/util/testsuite_allocator.h (NullablePointer): New utility
2275 (PointerBase, PointerBase_void): Derive from NullablePointer and use
2276 its constructors and equality operators. Change converting
2277 constructors to use operator-> to access private member of the other
2279 (PointerBase_void::operator->()): Add, for access to private member.
2280 (operator-(PointerBase, PointerBase)): Change to hidden friend.
2281 (operator==(PointerBase, PointerBase)): Remove.
2282 (operator!=(PointerBase, PointerBase)): Remove.
2284 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
2285 not assume field called _M_head_impl is the first tuple element.
2286 * testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
2287 implementation more accurate.
2288 * testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
2289 empty pointer type and non-empty deleter.
2291 LWG 2899 - Make is_move_constructible correct for unique_ptr
2292 * include/bits/unique_ptr.h (__uniq_ptr_impl): Add move constructor,
2293 move assignment operator.
2294 (__uniq_ptr_impl::release(), __uniq_ptr_impl::reset(pointer)): Add.
2295 (__uniq_ptr_data): New class template with conditionally deleted
2297 (unique_ptr, unique_ptr<T[], D>): Change type of data member from
2298 __uniq_ptr_impl<T, D> to __uniq_ptr_data<T, D>. Define move
2299 constructor and move assignment operator as defaulted.
2300 (unique_ptr::release(), unique_ptr<T[], D>::release()): Forward to
2301 __uniq_ptr_impl::release().
2302 (unique_ptr::reset(pointer), unique_ptr<T[], D>::reset<U>(U)): Forward
2303 to __uniq_ptr_impl::reset(pointer).
2304 * python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
2305 Check for new __uniq_ptr_data type.
2306 * testsuite/20_util/unique_ptr/dr2899.cc: New test.
2308 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
2310 PR libstdc++/90454.cc path construction from void*
2311 * include/bits/fs_path.h (path::_Path): Use remove_pointer so that
2312 pointers to void are rejected as well as void.
2313 * include/experimental/bits/fs_path.h (path::_Path): Likewise.
2314 * testsuite/27_io/filesystem/path/construct/80762.cc: Also check
2316 * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
2318 * doc/xml/manual/policy_data_structures.xml: Comment out stray
2319 <remark> elements. Fix formatting of bibliography references.
2321 2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
2323 * doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
2325 2019-05-13 Jonathan Wakely <jwakely@redhat.com>
2327 Remove Profile Mode, deprecated since 7.1.0
2328 * doc/Makefile.am: Remove XML file for profile mode docs.
2329 * doc/Makefile.in: Regenerate.
2330 * doc/xml/authors.xml: Remove authors of profile mode docs.
2331 * doc/xml/manual/appendix_contributing.xml: Remove mention of profile
2333 * doc/xml/manual/debug.xml: Likewise.
2334 * doc/xml/manual/evolution.xml: Document removal of profile mode.
2335 * doc/xml/manual/profile_mode.xml: Remove profile mode docs.
2336 * doc/xml/manual/spine.xml: Remove profile mode author credit.
2337 * doc/xml/manual/test.xml: Remove docs for dg-require-profile-mode
2339 * doc/xml/manual/using.xml: Remove docs for profile mode headers and
2341 * doc/html/*: Regenerate.
2342 * include/Makefile.am: Remove profile mode headers.
2343 * include/Makefile.in: Regenerate.
2344 * include/bits/c++config (std::__profile): Remove namespace.
2345 [_GLIBCXX_PROFILE]: Remove checks for macro.
2346 * include/profile/array: Remove.
2347 * include/profile/base.h: Remove.
2348 * include/profile/bitset: Remove.
2349 * include/profile/deque: Remove.
2350 * include/profile/forward_list: Remove.
2351 * include/profile/impl/profiler.h: Remove.
2352 * include/profile/impl/profiler_algos.h: Remove.
2353 * include/profile/impl/profiler_container_size.h: Remove.
2354 * include/profile/impl/profiler_hash_func.h: Remove.
2355 * include/profile/impl/profiler_hashtable_size.h: Remove.
2356 * include/profile/impl/profiler_list_to_slist.h: Remove.
2357 * include/profile/impl/profiler_list_to_vector.h: Remove.
2358 * include/profile/impl/profiler_map_to_unordered_map.h: Remove.
2359 * include/profile/impl/profiler_node.h: Remove.
2360 * include/profile/impl/profiler_state.h: Remove.
2361 * include/profile/impl/profiler_trace.h: Remove.
2362 * include/profile/impl/profiler_vector_size.h: Remove.
2363 * include/profile/impl/profiler_vector_to_list.h: Remove.
2364 * include/profile/iterator_tracker.h: Remove.
2365 * include/profile/list: Remove.
2366 * include/profile/map: Remove.
2367 * include/profile/map.h: Remove.
2368 * include/profile/multimap.h: Remove.
2369 * include/profile/multiset.h: Remove.
2370 * include/profile/ordered_base.h: Remove.
2371 * include/profile/set: Remove.
2372 * include/profile/set.h: Remove.
2373 * include/profile/unordered_base.h: Remove.
2374 * include/profile/unordered_map: Remove.
2375 * include/profile/unordered_set: Remove.
2376 * include/profile/vector: Remove.
2377 * scripts/run_doxygen: Do not process profile mode headers.
2378 * testsuite/23_containers/array/element_access/60497.cc: Don't use
2380 * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
2381 Remove dg-skip-if for profile mode.
2382 * testsuite/23_containers/forward_list/capacity/1.cc: Remove
2383 preprocessor check for profile mode.
2384 * testsuite/23_containers/list/capacity/29134.cc: Likewise.
2385 * testsuite/23_containers/map/modifiers/extract.cc: Remove dg-skip-if
2387 * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
2389 * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
2390 * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
2391 * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
2392 * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
2393 * testsuite/23_containers/unordered_map/modifiers/extract.cc:
2395 * testsuite/23_containers/unordered_multimap/modifiers/extract.cc:
2397 * testsuite/23_containers/unordered_multiset/modifiers/extract.cc:
2399 * testsuite/23_containers/unordered_set/modifiers/extract.cc:
2401 * testsuite/23_containers/vector/bool/capacity/29134.cc: Remove
2402 preprocessor check for profile mode.
2403 * testsuite/23_containers/vector/bool/modifiers/insert/31370.cc:
2405 * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
2406 Remove dg-skip-if for profile mode.
2407 * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
2408 * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
2409 * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
2410 * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
2411 * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
2412 * testsuite/Makefile.am: Remove profile_flags variable and
2413 * testsuite/Makefile.am: Remove profile_flags variable and
2414 check-profile target.
2415 * testsuite/Makefile.in: Regenerate.
2416 * testsuite/ext/profile/all.cc: Remove.
2417 * testsuite/ext/profile/mutex_extensions_neg.cc: Remove.
2418 * testsuite/ext/profile/profiler_algos.cc: Remove.
2419 * testsuite/ext/profile/replace_new.cc: Remove.
2420 * testsuite/ext/throw_allocator/deallocate_global.cc: Remove
2421 preprocessor check for profile mode.
2422 * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
2423 * testsuite/lib/libstdc++.exp (check_v3_target_profile_mode): Remove.
2424 (check_v3_target_normal_mode): Do not check for profile mode macro.
2425 * testsuite/libstdc++-prettyprinters/80276.cc: Remove dg-skip-if for
2427 * testsuite/libstdc++-prettyprinters/compat.cc: Likewise.
2428 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
2429 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
2430 * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
2431 * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
2432 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2433 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
2434 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2435 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
2436 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
2438 Remove array_allocator extension, deprecated since 4.9.0
2439 * doc/xml/manual/allocator.xml: Remove documentation for
2441 * doc/xml/manual/evolution.xml: Document array_allocator removal.
2442 * doc/xml/manual/using.xml: Remove header from documentation.
2443 * include/Makefile.am: Remove <ext/array_allocator.h> header.
2444 * include/Makefile.in: Regenerate.
2445 * include/ext/array_allocator.h: Remove.
2446 * include/precompiled/extc++.h: Do not include removed header.
2447 * testsuite/ext/array_allocator/1.cc: Remove.
2448 * testsuite/ext/array_allocator/2.cc: Remove.
2449 * testsuite/ext/array_allocator/26875.cc: Remove.
2450 * testsuite/ext/array_allocator/3.cc: Remove.
2451 * testsuite/ext/array_allocator/check_deallocate_null.cc: Remove.
2452 * testsuite/ext/array_allocator/check_delete.cc: Remove.
2453 * testsuite/ext/array_allocator/check_new.cc: Remove.
2454 * testsuite/ext/array_allocator/variadic_construct.cc: Remove.
2455 * testsuite/ext/headers.cc: Do not include removed header.
2457 2019-05-11 François Dumont <fdumont@gcc.gnu.org>
2459 * include/bits/stl_bvector.h
2460 (operator==(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2462 (operator<(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2464 (operator!=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2466 (operator>(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2468 (operator<=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2470 (operator>=(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2472 (operator-(const _Bit_iterator_base&, const _Bit_iterator_base&)):
2474 (_Bit_iterator::operator+(difference_type)): Likewise and allow NRVO
2476 (_Bit_iterator::operator-(difference_type)): Likewise.
2477 (operator+(ptrdiff_t, const _Bit_iterator&)): Make hidden friend.
2478 (_Bit_const_iterator::operator+(difference_type)): Likewise and allow
2480 (_Bit_const_iterator::operator-(difference_type)): Likewise.
2481 (operator+(ptrdiff_t, const _Bit_const_iterator&)): Make hidden friend.
2483 2019-05-10 Jonathan Wakely <jwakely@redhat.com>
2486 * testsuite/util/thread/all.h: Do not use remove_pointer for
2487 std::thread::native_handle_type.
2490 * include/std/variant (_Variant_storage<false, Types...>::_M_storage())
2491 (_Variant_storage<true, Types...>::_M_reset()))
2492 (_Variant_storage<true, Types...>::_M_storage())): Add noexcept.
2493 (__get_storage): Likewise.
2494 (variant): Add noexcept to friend declarations for __get and
2498 * include/bits/unique_ptr.h (default_delete, default_delete<T[]>):
2499 Use _Require for constraints.
2500 (operator>(nullptr_t, const unique_ptr<T,D>&)): Implement exactly as
2502 (__uniq_ptr_hash): New base class with conditionally-disabled call
2504 (hash<unique_ptr<T,D>>): Derive from __uniq_ptr_hash.
2505 * testsuite/20_util/default_delete/48631_neg.cc: Adjust dg-error line.
2506 * testsuite/20_util/unique_ptr/hash/90388.cc: New test.
2508 * include/bits/shared_ptr.h: Improve docs.
2509 * include/bits/shared_ptr_base.h: Likewise.
2510 * include/bits/stl_uninitialized.h: Likewise.
2511 * include/bits/unique_ptr.h: Likewise.
2512 * libsupc++/new: Likewise.
2514 2019-05-09 François Dumont <fdumont@gcc.gnu.org>
2516 * include/bits/stl_deque.h
2517 (operator==(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2519 (operator!=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2521 (operator<(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2523 (operator<=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2525 (operator>(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2527 (operator>=(const _Deque_iterator<>&, const _Deque_iterator<>&)):
2529 (_Deque_iterator<>::operator+(difference_type)): Likewise and allow NRVO
2531 (_Deque_iterator<>::operator-(difference_type)): Likewise.
2533 2019-05-08 François Dumont <fdumont@gcc.gnu.org>
2536 * testsuite/23_containers/unordered_multiset/insert/24061-multiset.cc
2537 (test01): Reserve for number of insertions to avoid rehash during test.
2538 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
2540 * testsuite/23_containers/unordered_multimap/insert/24061-multimap.cc
2545 2019-05-08 Jonathan Wakely <jwakely@redhat.com>
2547 * include/experimental/bits/fs_path.h: Improve docs.
2548 * include/experimental/bits/net.h: Fix wrong header name in comment.
2549 Do not document implementation details.
2550 * include/experimental/netfwd: Fix doxygen grouping.
2552 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
2554 * include/bits/stl_pair.h: Improve docs.
2555 * include/std/tuple: Likewise.
2557 * doc/doxygen/doxygroups.cc (std::literals): Add documentation for
2559 * include/std/chrono: Improve docs.
2560 * include/std/ratio: Do not document implementation details.
2561 * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Adjust dg-error
2563 * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
2566 * doc/xml/manual/intro.xml: Document DR 2408 and 2465 changes.
2567 * include/std/chrono (__duration_common_type_wrapper): Replace with ...
2568 (__duration_common_type): New helper.
2569 (common_type<chrono::duration<R1, P2>, chrono::duration<R2, P2>>): Use
2570 __duration_common_type.
2571 (__timepoint_common_type_wrapper): Replace with ...
2572 (__timepoint_common_type): New helper.
2573 (common_type<chrono::time_point<C, D2>, chrono::time_point<C, D2>>):
2574 Use __time_point_common_type.
2575 * include/std/type_traits (common_type<>): Define, as per LWG 2408.
2576 (__common_type_impl): If either argument is transformed by decay,
2577 use the common_type of the decayed types.
2578 (__common_type_impl<_Tp, _Up, _Tp, _Up>): If the types are already
2579 decayed, use __do_common_type_impl to get the common_type.
2580 (common_type<_Tp>): Use common_type<_Tp, _Tp>.
2581 (__do_member_type_wrapper, __member_type_wrapper)
2582 (__expanded_common_type_wrapper): Remove.
2583 (__common_type_pack, __common_type_fold): New helpers.
2584 (common_type<_Tp, _Up, _Vp...>): Use new helpers instead of
2585 __member_type_wrapper and __expanded_common_type_wrapper.
2586 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
2587 Test zero-length template argument list.
2588 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
2589 Test single argument cases and argument types that should decay.
2590 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
2591 Adjust expected error.
2592 * testsuite/20_util/duration/literals/range_neg.cc: Use zero for
2594 * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
2595 * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
2596 * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
2598 * doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
2600 2019-05-01 Nina Dinka Ranns <dinka.ranns@gmail.com>
2602 Make allocator propagation more consistent for
2603 operator+(basic_string) (P1165R1)
2604 * include/bits/basic_string.h
2605 (operator+(basic_string&&, basic_string&&): Changed resulting
2606 allocator to always be the one from the first parameter.
2607 * include/bits/basic_string.tcc
2608 (operator+(const _CharT*, const basic_string&)): Changed
2609 resulting allocator to be SOCCC on the second parameter's allocator.
2610 (operator+(_CharT, const basic_string&)): Likewise.
2611 * testsuite/21_strings/basic_string/allocator/char/operator_plus.cc:
2613 * testsuite/21_strings/basic_string/allocator/wchar_t/operator_plus.cc:
2616 2019-05-07 Jonathan Wakely <jwakely@redhat.com>
2618 * include/bits/regex.h: Improve docs.
2619 * include/bits/regex.tcc: Do not document implementation details.
2621 * testsuite/19_diagnostics/error_code/hash.cc: New test.
2623 2019-05-06 François Dumont <fdumont@gcc.gnu.org>
2625 * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2626 Add type printer for container types in std::__debug namespace.
2627 * testsuite/lib/gdb-test.exp (whatis-regexp-test): New.
2628 (gdb-tests): Use distinct parameters for the type of test and use of
2630 (gdb-test): Check for regex test even if 'whatis' test.
2631 * testsuite/libstdc++-prettyprinters/80276.cc: Adapt for _GLIBCXX_DEBUG
2633 * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
2634 * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
2635 * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2636 * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
2637 * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2638 * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
2639 * testsuite/libstdc++-prettyprinters/whatis2.cc: Likewise.
2641 2019-05-04 Jonathan Wakely <jwakely@redhat.com>
2643 * include/std/system_error (error_category): Fix comment.
2646 * src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
2647 argument is an empty path.
2648 (absolute(const path&, error_code&)): Use invalid_argument as error
2649 code instead of no_such_file_or_directory.
2650 * testsuite/27_io/filesystem/operations/absolute.cc: Check handling
2651 of non-existent paths and empty paths with both overloads of absolute.
2653 * include/std/system_error (error_category, error_code)
2654 (error_condition): Improve docs.
2655 * libsupc++/exception: Add missing @addtogroup Doxygen command.
2656 * libsupc++/exception_ptr.h (exception_ptr): Link equality operators
2657 to class documentation. Suppress documentation for implementation
2659 * libsupc++/nested_exception.h (throw_with_nested, rethrow_if_nested):
2660 Suppress documentation for implementation details.
2662 * include/std/system_error (error_code): Remove friend declaration
2663 for hash<error_code>.
2664 (hash<error_code>::operator()): Use public member functions to access
2666 (hash<error_condition>::operator()): Use address of category, not
2667 its object representation.
2668 * src/c++11/compatibility-c++0x.cc (hash<error_code>::operator()):
2669 Use public member functions to access value and category.
2670 * testsuite/19_diagnostics/error_condition/hash.cc: New test.
2672 2019-05-04 François Dumont <fdumont@gcc.gnu.org>
2674 * include/bits/hashtable.h (_Hashtable<>::rehash): Review comment.
2675 * include/bits/hashtable_policy.h
2676 (_Prime_rehash_policy::_M_bkt_for_elements): Use __builtin_ceill.
2677 (_Power2_rehash_policy::_M_bkt_for_elements): Likewise.
2678 (_Power2_rehash_policy::_M_next_bkt): Enforce returning a result not
2679 smaller than input value rather than always greater. Preserve
2680 _M_next_resize if called with 0 input. Use __builtin_floorl.
2681 (_Power2_rehash_policy::_M_need_rehash): Rehash only if number of
2682 elements + number of insertions is greater than _M_next_resize. Start
2683 with 11 buckets if not told otherwise. Use __builtin_floorl.
2684 (_Rehash_base<>::reserve): Use rehash policy _M_bkt_for_elements.
2685 * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
2686 Preserve _M_next_resize if called with 0 input. Use __builtin_floorl.
2687 (_Prime_rehash_policy::_M_need_rehash): Start with 11 buckets if not
2688 told otherwise. Use __builtin_floorl.
2689 * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt test
2690 to also validate _Power2_rehash_policy.
2691 * testsuite/23_containers/unordered_set/hash_policy/power2_rehash.cc:
2694 2019-05-03 Jonathan Wakely <jwakely@redhat.com>
2697 * testsuite/26_numerics/complex/proj.cc: Don't assume <cmath> defines
2701 * include/ext/numeric_traits.h (__glibcxx_min): Avoid integer
2702 overflow warning with -Wpedantic -Wsystem-headers.
2704 2019-05-02 Jonathan Wakely <jwakely@redhat.com>
2707 * include/bits/c++config (_GLIBCXX_NOEXCEPT_IF): Use variadic macro.
2708 * include/bits/move.h (swap): Remove extra parentheses.
2710 * include/experimental/bits/lfts_config.h: Improve doc markup.
2711 * include/experimental/optional: Improve docs.
2712 (_Has_addressof_mem, _Has_addressof_free, _Has_addressof)
2713 (__constexpr_addressof): Remove.
2714 (optional::operator->()): Use std::__addressof().
2715 * include/std/optional (optional::operator->()): Adjust whitespace.
2716 * testsuite/experimental/optional/constexpr/observers/2.cc: Check
2717 that operator-> is still constexpr with overloaded operator&. Change
2718 to compile-only test.
2719 * testsuite/experimental/optional/constexpr/observers/3.cc: Change to
2722 * include/bits/shared_ptr.h: Improve docs.
2723 * include/bits/shared_ptr_atomic.h: Likewise.
2724 * include/bits/unique_ptr.h: Likewise. Adjust whitespace.
2726 * include/bits/basic_string.h: Fix iterator/index confusion in
2728 * include/bits/range_access.h: Fix Doxygen warnings.
2729 * include/bits/refwrap.h: Do not document implementation details.
2730 (ref, cref): Group docs with reference_wrapper.
2731 * include/std/fstream: Fix Doxygen markup.
2732 * libsupc++/initializer_list (begin, end): Group docs with
2735 * doc/doxygen/user.cfg.in: Set MARKDOWN_SUPPORT=YES.
2737 * include/bits/unique_lock.h: Fix/improve doxygen markup.
2738 * include/std/mutex: Likewise.
2739 * include/std/shared_mutex: Likewise.
2741 * include/bits/fs_dir.h: Fix/improve doxygen markup.
2742 * include/bits/fs_fwd.h: Likewise.
2743 * include/bits/fs_ops.h: Likewise.
2744 * include/bits/fs_path.h: Likewise.
2745 * include/std/filesystem: Likewise.
2747 * include/experimental/bits/net.h: Fix/improve doxygen markup.
2748 * include/experimental/buffer: Likewise.
2749 * include/experimental/executor: Likewise.
2750 * include/experimental/internet: Likewise.
2751 * include/experimental/io_context: Likewise.
2752 * include/experimental/net: Likewise.
2753 * include/experimental/netfwd: Likewise.
2754 * include/experimental/socket: Likewise.
2755 * include/experimental/timer: Likewise.
2757 * doc/doxygen/doxygroups.cc: Move description of experimental group
2759 * include/experimental/algorithm: Add to libfund-ts doc group.
2760 * include/experimental/any: Likewise. Do not document implementation
2762 * include/experimental/array: Add to libfund-ts doc group.
2763 * include/experimental/bits/lfts_config.h: Define libfund-ts doc group
2764 for Library Fundamentals.
2765 * include/experimental/chrono: Add to libfund-ts doc group.
2766 * include/experimental/deque: Likewise.
2767 * include/experimental/forward_list: Likewise.
2768 * include/experimental/functional: Likewise.
2769 * include/experimental/iterator: Likewise.
2770 * include/experimental/list: Likewise.
2771 * include/experimental/map: Likewise.
2772 * include/experimental/memory: Likewise.
2773 * include/experimental/memory_resource: Likewise. Improve docs.
2775 * include/experimental/numeric: Add to libfund-ts doc group.
2776 * include/experimental/optional: Likewise.
2777 * include/experimental/propagate_const: Likewise.
2778 * include/experimental/random: Likewise.
2779 * include/experimental/ratio: Likewise.
2780 * include/experimental/regex: Likewise.
2781 * include/experimental/set: Likewise.
2782 * include/experimental/source_location: Likewise.
2783 * include/experimental/string: Likewise.
2784 * include/experimental/string_view: Likewise.
2785 * include/experimental/system_error: Likewise.
2786 * include/experimental/tuple: Likewise.
2787 * include/experimental/type_traits: Likewise.
2788 * include/experimental/unordered_map: Likewise.
2789 * include/experimental/unordered_set: Likewise.
2790 * include/experimental/utility: Likewise.
2791 * include/experimental/vector: Likewise.
2792 * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error.
2793 * testsuite/experimental/array/neg.cc: Adjust dg-error.
2794 * testsuite/experimental/propagate_const/assignment/move_neg.cc:
2796 * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
2797 * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
2798 * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
2799 * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
2800 * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
2802 * include/experimental/bits/fs_dir.h: Fix Doxygen markup.
2803 * include/experimental/bits/fs_fwd.h: Improve docs.
2804 * include/experimental/bits/fs_ops.h: fix Doxygen markup.
2805 * include/experimental/bits/fs_path.h: Likewise.
2806 (path, filesystem_error, u8path): Improve docs.
2807 * include/experimental/filesystem: Link to docs for TS.
2809 * config/allocator/new_allocator_base.h (__allocator_base): Add
2810 workaround for Doxygen bug #6945.
2811 * include/std/memory: Improve docs. Define group for pointer safety.
2812 * include/std/scoped_allocator: Improve docs. Use "undocumented"
2813 conditional to suppress documentation for implementation details.
2815 * include/bits/specfun.h: Improve docs.
2816 * include/tr1/cmath: Likewise. Fix nesting of preprocessor conditions
2819 * doc/doxygen/doxygroups.cc (std::tr2, std::__gnu_cxx): Improve docs.
2820 (std::experimental): Add docs.
2821 * doc/doxygen/user.cfg.in (PREDEFINED): Expand macros for __cxx11
2822 namespace to nothing when generating docs.
2823 * include/bits/regex_constants.h (std::regex_constants): Improve docs.
2824 * include/std/chrono (std::chrono): Likewise.
2825 * include/std/functional (std::placeholders): Likewise.
2826 * include/std/thread (std::this_thread): Likewise.
2828 * include/parallel/settings.h: Fix Doxygen markup.
2830 * include/ext/pb_ds/detail/bin_search_tree_/*_imps.hpp: Do not define
2831 anything unless PB_DS_CLASS_C_DEC is defined.
2832 * include/ext/pb_ds/detail/binary_heap_/*_imps.hpp: Likewise.
2833 * include/ext/pb_ds/detail/binomial_heap_/*_imps.hpp: Likewise.
2834 * include/ext/pb_ds/detail/binomial_heap_base_/*_imps.hpp: Likewise.
2835 * include/ext/pb_ds/detail/cc_hash_table_map_/*_imps.hpp: Likewise.
2836 * include/ext/pb_ds/detail/gp_hash_table_map_/*_imps.hpp: Likewise.
2837 * include/ext/pb_ds/detail/hash_fn/*_imp.hpp: Likewise.
2838 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/*_imps.hpp:
2840 * include/ext/pb_ds/detail/list_update_map_/*_imps.hpp: Likewise.
2841 * include/ext/pb_ds/detail/ov_tree_map_/*_imps.hpp: Likewise.
2842 * include/ext/pb_ds/detail/pairing_heap_/*_imps.hpp: Likewise.
2843 * include/ext/pb_ds/detail/pat_trie_/*_imps.hpp: Likewise.
2844 * include/ext/pb_ds/detail/rb_tree_map_/*_imps.hpp: Likewise.
2845 * include/ext/pb_ds/detail/rc_binomial_heap_/*_imps.hpp: Likewise.
2846 * include/ext/pb_ds/detail/resize_policy*_imp.hpp: Likewise.
2847 * include/ext/pb_ds/detail/splay_tree_/*_imps.hpp: Likewise.
2848 * include/ext/pb_ds/detail/thin_heap_/*_imps.hpp: Likewise.
2849 * include/ext/pb_ds/detail/trie_policy*_imp.hpp: Likewise.
2850 * include/ext/pb_ds/detail/unordered_iterator/const_iterator.hpp:
2852 * include/ext/pb_ds/detail/unordered_iterator/iterator.hpp: Likewise.
2853 * include/ext/pb_ds/detail/unordered_iterator/point_const_iterator.hpp:
2855 * include/ext/pb_ds/detail/unordered_iterator/point_iterator.hpp:
2858 * doc/doxygen/user.cfg.in: Regenerate with Doxygen 1.8.14 and set
2859 GROUP_NESTED_COMPOUNDS=YES and SORT_BY_SCOPE_NAME=NO. Add various
2860 _GLIBCXX_xxx macros and __attribute__(X) to PREDEFINED macros that
2863 2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2865 * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
2866 * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
2867 * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
2868 * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
2869 * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
2870 * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
2872 * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
2873 * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
2876 2019-05-01 Jonathan Wakely <jwakely@redhat.com>
2879 * include/std/complex (__complex_proj): Return parameter unchanged.
2880 [_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
2881 floating-point types to take std::complex arguments.
2882 [_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
2883 floating-point types.
2884 * testsuite/26_numerics/complex/proj.cc: New test.
2886 2019-04-30 Jakub Jelinek <jakub@redhat.com>
2888 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
2889 to _Lock_policyE[012].
2890 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2892 2019-04-30 Jonathan Wakely <jwakely@redhat.com>
2894 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
2895 macros accidentally left in.
2896 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
2897 unnecessary -lstdc++fs option. Fix test for mingw.
2898 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
2901 2019-04-30 Jakub Jelinek <jakub@redhat.com>
2903 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2905 2019-04-29 Jonathan Wakely <jwakely@redhat.com>
2907 * include/bits/stl_algo.h (generate_n): Adjust doxygen comment.
2909 * include/bits/move.h (swap(T&, T&), swap(T (&)[N], T (&)[N])): Use
2910 _GLIBCXX_NOEXCEPT_IF to simplify declarations.
2913 * src/c++11/shared_ptr.cc (get_mutex): Align pool mutexes to 64 bytes.
2915 * include/bits/stl_bvector.h (vector<bool>::empty()): Add nodiscard
2918 * include/bits/stl_iterator_base_types.h (_Iter_base): Remove unused
2919 class template and partial specialization.
2922 * include/bits/stl_algo.h (generate_n): Convert _Size parameter to
2924 * include/bits/stl_algobase.h (__size_to_integer): New overloaded
2925 functions to convert a value to an integral type.
2926 (__fill_n_a, __fill_n_a): Assert that __n is already an integral type.
2927 (fill_n): Convert _Size parameter to an integral type.
2928 * testsuite/25_algorithms/fill_n/87982.cc: New test.
2929 * testsuite/25_algorithms/fill_n/87982_neg.cc: New test.
2930 * testsuite/25_algorithms/fill_n/dr426.cc: New test.
2931 * testsuite/25_algorithms/generate_n/87982.cc: New test.
2932 * testsuite/25_algorithms/generate_n/87982_neg.cc: New test.
2933 * testsuite/25_algorithms/generate_n/dr426.cc: New test.
2935 2019-04-28 Nina Dinka Ranns <dinka.ranns@gmail.com>
2937 Adding noexcept-specification on tuple constructors (LWG 2899)
2938 * libstdc++-v3/include/std/tuple:
2939 (tuple()): Add noexcept-specification.
2940 (tuple(const _Elements&...)): Likewise
2941 (tuple(_UElements&&...)): Likewise
2942 (tuple(const tuple<_UElements...>&)): Likewise
2943 (tuple(tuple<_UElements...>&&)): Likewise
2944 (tuple(const _T1&, const _T2&)): Likewise
2945 (tuple(_U1&&, _U2&&)): Likewise
2946 (tuple(const tuple<_U1, _U2>&): Likewise
2947 (tuple(tuple<_U1, _U2>&&): Likewise
2948 (tuple(const pair<_U1, _U2>&): Likewise
2949 (tuple(pair<_U1, _U2>&&): Likewise
2950 * libstdc++-v3/testsuite/20_util/tuple/cons/noexcept_specs.cc: New
2952 2019-04-27 Marc Glisse <marc.glisse@inria.fr>
2955 * include/bits/stl_uninitialized.h (__relocate_object_a): Mark the
2956 arguments with __restrict.
2958 2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
2960 * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
2962 2019-04-26 Jonathan Wakely <jwakely@redhat.com>
2964 * include/experimental/bits/fs_path.h
2965 (path::_S_convert_loc<_InputIterator>): Create const std::string to
2966 avoid redundant call to _S_convert_loc with non-const pointers.
2968 * testsuite/20_util/variant/run.cc: Use a new Hashable type to test
2969 hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
2970 * testsuite/21_strings/basic_string/hash/hash.cc
2971 [!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
2972 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc
2973 [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
2975 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
2976 wstring::_M_replace_dispatch with more specific patterns.
2977 * include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
2978 Create const std::string to avoid redundant call to _S_convert_loc
2979 with non-const pointers.
2980 * include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
2981 avoid unnecessary basic_string::assign instantiations.
2983 * include/std/memory (__uses_alloc_args): Add string-literal to
2984 static_assert, to match the one in __uses_alloc.
2985 [__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
2986 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
2987 for recursive uses-allocator construction of nested pairs.
2988 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
2991 2019-04-26 Jakub Jelinek <jakub@redhat.com>
2993 * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
2994 * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
2995 * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
2996 * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
2998 * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2999 * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
3000 * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
3001 * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
3002 * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
3003 * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3004 * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3006 2019-04-25 Jonathan Wakely <jwakely@redhat.com>
3009 * doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
3010 * include/std/scoped_allocator [__cplusplus > 201703L]
3011 (scoped_allocator_adaptor::construct): Define in terms of
3012 uses_allocator_construction_args, as per P0591R4.
3013 * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
3014 * testsuite/util/testsuite_allocator.h: Remove name of unused
3017 2019-04-24 Jonathan Wakely <jwakely@redhat.com>
3019 * doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
3020 * doc/html/*: Regenerate.
3022 * include/bits/fs_path.h (operator<, operator<=, operator>)
3023 (operator>=, operator==, operator!=): Make hidden friends, as per
3025 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
3026 string type in test.
3027 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
3029 * include/std/any (any::any(ValueType&&)): Use __and_v.
3030 * include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
3033 * include/std/tuple (apply): Use remove_reference_t instead of decay_t
3035 * include/std/type_traits (__result_of_memfun): Use remove_reference
3036 instead of __remove_cvref_t and remove redundant is_same check.
3037 (__inv_unwrap): Use __remove_cvref_t instead of decay_t.
3039 * include/experimental/string_view (basic_string_view::pointer)
3040 (basic_string_view::reference): Fix to refer to non-const value_type.
3041 * include/bits/basic_string.h (basic_string): Use __sv_check and
3042 __sv_limit instead of basic_string_view::_M_check and
3043 basic_string_view::_M_limit.
3044 * include/std/string_view (__sv_check, __sv_limit): New
3045 helper functions to replace basic_string_view::_M_check and
3046 basic_string_view::_M_limit.
3047 (basic_string_view): Add static assertions to enforce ill-formed
3048 requirement for traits_type::char_type from P1148R0, and to enforce
3049 required properties of char-like types.
3050 (basic_string_view::pointer, basic_string_view::reference): Fix to
3051 refer to non-const value_type.
3052 (basic_string_view::operator[], basic_string_view::at)
3053 (basic_string_view::front, basic_string_view::back)
3054 (basic_string_view::data): Use const_reference and const_pointer
3055 typedefs for return types.
3056 (basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
3057 (hash<wstring_view>): Fix argument_type typedef.
3058 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3059 char/1.cc: Fix expected return type of basic_string_view::data().
3060 * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
3061 wchar_t/1.cc: Likewise.
3062 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3063 char/1.cc: Likewise.
3064 * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
3065 wchar_t/1.cc: Likewise.
3066 * testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
3068 * testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
3069 Check reference and pointer typedefs.
3070 * testsuite/experimental/string_view/requirements/typedefs.cc:
3072 * testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
3073 Fix expected return type of basic_string_view::data().
3074 * testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
3076 * testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
3078 * testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
3082 * include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
3083 Avoid a runtime check for types that can never be stored in std::any.
3084 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3087 PR libstdc++/90220 (partial)
3088 * include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
3089 not attempt ill-formed static_cast to pointers to non-object types.
3090 * testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
3093 * testsuite/20_util/variant/run.cc: Catch exception by reference to
3094 prevent -Wcatch-value warning.
3096 * include/std/variant (__variant_construct): Use template parameter
3097 type instead of equivalent decltype-specifier.
3098 (_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
3099 Replace forward with move.
3100 (_Move_ctor_base<false, Types...>::_M_destructive_move)
3101 (_Move_ctor_base<false, Types...>::_M_destructive_copy)
3102 (_Move_ctor_base<true, Types...>::_M_destructive_move)
3103 (_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
3104 index after construction succeeds.
3105 (_Copy_assign_base<false, Types...>::operator=): Remove redundant
3106 if-constexpr checks that are always true. Use __remove_cvref_t instead
3107 of remove_reference so that is_nothrow_move_constructible check
3108 doesn't use a const rvalue parameter. In the potentially-throwing case
3109 construct a temporary and move assign it, as per LWG 2904.
3110 (_Move_assign_base<false, Types...>::operator=): Remove redundant
3111 if-constexpr checks that are always true. Use emplace as per LWG 2904.
3112 (variant::operator=(T&&)): Only use emplace conditionally, otherwise
3113 construct a temporary and move assign from it, as per LWG 2904.
3114 * testsuite/20_util/variant/exception_safety.cc: Check that
3115 assignment operators have strong exception safety guarantee.
3117 2019-04-23 Thomas Rodgers <trodgers@redhat.com>
3119 Document PSTL linker flags
3121 * doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
3123 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3125 * include/std/variant (__detail::__variant::_Traits): Make
3126 _S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
3127 _S_trivial_move_assign depend on _S_trivial_move_ctor, as per
3129 (__detail::__variant::_Copy_assign_alias): Only depend on
3130 _S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
3131 * testsuite/20_util/variant/compile.cc: Correct checks for trivial
3132 move assignment operators.
3135 * include/std/variant (variant::__not_self): New helper for the
3136 is_same_v<remove_cvref_t<T>, variant>==false constraints.
3137 (variant::__to_type_impl): Remove.
3138 (variant::__to_type): Add default argument to check pack size, instead
3139 of using __to_type_impl.
3140 (variant::__accepted_type): Add default argument using __not_self.
3141 (variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
3142 for variant(T&&) constructor constraint.
3143 (variant::variant(T&&)): Use __not_in_place_tag in constraints.
3144 Extract __accepted_type into a named template parameter for reuse in
3145 other constraints and in the exception specification.
3146 (variant::variant(in_place_type_t<T>, Args&&...))
3147 (variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
3148 (variant::variant(in_place_index_t<T>, Args&&...))
3149 (variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
3150 (variant::operator=T&&)): Remove redundant && from trait arguments.
3151 * testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
3152 isn't used for in_place_type or in_place_index arguments.
3154 * include/std/type_traits (unwrap_reference_t): Define for C++2a.
3155 (unwrap_ref_decay): Remove inheritance from unwrap_reference.
3156 * testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
3158 2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3159 Bernd Edlinger <bernd.edlinger@hotmail.de>
3160 Jakub Jelinek <jakub@redhat.com>
3163 * libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
3164 general-regs-only target attribute for ARM.
3166 2019-04-23 Jonathan Wakely <jwakely@redhat.com>
3169 * include/bits/basic_string.h (_Never_valueless_alt): Make partial
3170 specialization also depend on is_nothrow_move_constructible.
3171 * include/std/variant (__detail::__variant::__never_valueless()):
3172 Only true if the variant would have a move assignment operator.
3173 (__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
3174 Check __never_valueless<T...>().
3175 (variant::emplace): Only perform non-throwing move assignments
3176 for never-valueless alternatives if the variant has a move assignment
3178 * testsuite/20_util/variant/compile.cc: Check that never-valueless
3179 types can be emplaced into non-assignable variants.
3180 * testsuite/20_util/variant/run.cc: Check that never-valueless types
3181 don't get copied when emplaced into non-assignable variants.
3183 * include/std/variant (__detail::__variant::__ref_cast): Remove
3185 (__detail::__variant::_Uninitialized::_M_get)
3186 (__detail::__variant::__get)
3187 (__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
3189 2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
3191 * testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
3193 * testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
3194 * testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
3195 * testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
3196 * testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
3198 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3200 Delegate PSTL configuration to pstl/pstl_config.h
3202 * include/bits/c++config: Remove explicit PSTL configuration
3203 macros and use definitions from <pstl/pstl_config.h>.
3205 2019-04-20 Thomas Rodgers <trodgers@redhat.com>
3207 Cleanup algorithm implementations
3208 * include/pstl/glue_algorithm_impl.h (stable_sort): Forward
3210 (mismatch): Forward execution policy.
3211 (equal): Qualify call to std::equal().
3212 (partial_sort): Forward execution policy.
3213 (inplace_merge): Forward execution policy.
3215 2019-04-19 Thomas Rodgers <trodgers@redhat.com>
3217 Improve implementation of parallel equal()
3218 * include/pstl/algorithm_impl.h
3219 (__internal::__brick_equal): use "4 iterator" version of
3221 (__internal::__brick_equal): use simd for random access
3222 iterators on unsequenced execution policies.
3223 (__internal::__pattern_equal): add "4 iterator" version
3224 (__internal::__pattern_equal): dispatch to simd __brick_equal
3225 for vector-only execution policies.
3226 (__internal::__pattern_equal): dispatch to __parallel_or for
3227 parallel execution policies.
3228 * include/pstl/glue_algorithm_impl.h
3229 (std::equal): dispatch to "4 iterator" version of
3230 __internal::__pattern_equal().
3232 2019-04-17 Jonathan Wakely <jwakely@redhat.com>
3235 * include/bits/forward_list.h (operator==): Do not use operator!= to
3237 (forward_list<T, A>::sort(Comp)): When elements are equal take the one
3238 earlier in the list, so that sort is stable.
3239 * testsuite/23_containers/forward_list/operations/90105.cc: New test.
3240 * testsuite/23_containers/forward_list/comparable.cc: Test with
3241 types that meet the minimum EqualityComparable and LessThanComparable
3242 requirements. Remove irrelevant comment.
3244 * include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
3245 Do not depend on whether all alternative types are move constructible.
3246 (__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
3247 from the operand when deciding whether to perform the assignment.
3248 * testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
3249 with deleted move constructor and deleted move assignment operator.
3250 (default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
3251 behaviour of variants with DeletedMoves as an alternative.
3252 * testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
3253 (move_ctor, move_assign): Check that moving a variant with a
3254 DeletedMoves alternative falls back to copying instead of moving.
3256 * testsuite/20_util/variant/compile.cc: Remove empty string literals
3257 from static_assert declarations.
3259 * testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
3260 actually match its name.
3261 (MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
3262 (test_swap()): Fix result for MoveCtorOnly and check
3263 MoveCtorAndSwapOnly.
3265 * include/std/optional (optional::value_or(U&&) &&): Add missing
3266 constexpr specifier.
3267 * testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
3268 for disengaged optionals and rvalue optionals.
3269 * testsuite/20_util/optional/observers/4.cc: Likewise.
3271 2019-04-12 Thomas Rodgers <trodgers@redhat.com>
3273 * include/pstl/algorithm_impl.h: Uglify identfiers.
3274 * include/pstl/numeric_impl.h: Uglify identfiers.
3275 * include/pstl/parallel_backend_tbb.h: Uglify identfiers.
3277 2019-04-11 Thomas Rodgers <trodgers@redhat.com>
3279 * include/bits/c++config:
3280 Add definition for __PSTL_ASSERT.
3281 Add definition for __PSTL_ASSERT_MSG.
3282 * include/pstl/algorithm_impl.h: Replace use of assert().
3283 * include/pstl/numeric_impl.h: Replace use of assert().
3284 * include/pstl/parallel_backend_tbb.h:
3285 Replace use of assert().
3286 Replace use of __TBB_ASSERT().
3287 * include/pstl/parallel_backend_utils.h: Replace use of assert().
3289 2019-04-11 Jonathan Wakely <jwakely@redhat.com>
3292 * src/c++17/memory_resource.cc
3293 (monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
3294 needed to allow placing a _Chunk at the end of the buffer.
3295 (monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
3297 2019-04-10 Jonathan Wakely <jwakely@redhat.com>
3299 * doc/xml/faq.xml: Add information about emergency EH pool.
3300 * doc/xml/manual/debug.xml: Update list of memory debugging tools.
3301 Move outdated information on mt_allocator to a separate section.
3302 * doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
3303 doesn't affect the default allocator.
3305 * testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
3309 * testsuite/20_util/variant/89851.cc: New test.
3311 2019-04-09 Jonathan Wakely <jwakely@redhat.com>
3313 * include/std/variant: Adjust whitespace. Add comments.
3314 (_Multi_array): Leave primary template undefined.
3315 (_Multi_array<_Tp>): Define partial specialization for base case of
3317 (__gen_vtable_impl, __gen_vtable): Remove redundant && from type
3318 which is always a reference.
3319 (__gen_vtable::_S_apply()): Remove function, inline body into
3320 default member initializer.
3321 * testsuite/20_util/variant/visit.cc: Test with noncopyable types.
3323 * include/std/variant (__variant_idx_cookie): Add member type.
3324 (__visitor_result_type): Remove.
3325 (__do_visit): Use invoke_result instead of __visitor_result_type.
3326 * testsuite/20_util/variant/visit.cc: New test.
3329 * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
3331 * testsuite/20_util/variant/90008.cc: New test.
3333 2019-04-09 Thomas Rodgers <trodgers@redhat.com>
3335 * include/pstl/algorithm_impl.h: Add namespace qualification.
3336 * include/pstl/execution_defs.h: Add namespace qualification.
3337 * include/pstl/execution_impl.h: Add namespace qualification.
3338 * include/pstl/numeric_impl.h: Add namespace qualification.
3339 * include/pstl/parallel_backend_tbb.h: Add namespace qualification.
3340 * include/pstl/unseq_backend_simd.h: Add namespace qualification.
3341 * include/pstl/parallel_backend_utils.h: Include <cassert>.
3343 2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
3345 Fix visit<R> for variant.
3346 * include/std/variant (__do_visit): Add a template parameter
3347 for enforcing same return types for visit.
3348 (__gen_vtable_impl): Likewise.
3349 (_S_apply_single_alt): Adjust.
3350 (__visit_invoke_impl): New. Handle casting to void.
3351 (__do_visit_invoke): New. Enforces same return types.
3352 (__do_visit_invoke_r): New. Converts return types.
3353 (__visit_invoke): Adjust.
3354 (__gen_vtable): Add a template parameter for enforcing
3355 same return types for visit.
3356 * testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
3357 different return types.
3358 * testsuite/20_util/variant/visit_neg.cc: New. Ensures that
3359 visitors with different return types don't accidentally
3360 compile with regular visitation.
3362 2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
3364 * testsuite/27_io/filesystem/iterators/caching.cc: Add
3365 dg-require-filesystem-ts.
3367 2019-04-05 Jonathan Wakely <jwakely@redhat.com>
3369 * doc/xml/manual/status_cxx2020.xml: Update status.
3370 * include/std/variant (visit<R>): Define for C++2a (P0655R1).
3371 * testsuite/20_util/variant/visit_r.cc: New test.
3373 * include/bits/fs_dir.h (directory_iterator::operator*)
3374 (directory_iterator::operator->): Add noexcept.
3375 (operator==, operator!=): Replace namespace-scope equality operators
3376 for directory iterators with hidden friends.
3379 * config/abi/pre/gnu.ver: Add missing exports.
3380 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
3383 * config/abi/pre/gnu.ver: Export new symbols.
3384 * include/bits/fs_dir.h (recursive_directory_iterator::options())
3385 (recursive_directory_iterator::recursion_pending())
3386 (recursive_directory_iterator::disable_recursion_pending()): Remove
3387 inline definitions. Make noexcept.
3388 (recursive_directory_iterator::depth())
3389 (recursive_directory_iterator::operator*())
3390 (recursive_directory_iterator::operator->()): Make noexcept.
3391 (recursive_directory_iterator::_M_options)
3392 (recursive_directory_iterator::_M_pending): Remove data members.
3393 * src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
3394 (recursive_directory_iterator::recursive_directory_iterator): Remove
3395 ctor-initializer. Use new constructor for _Dir_stack.
3396 (recursive_directory_iterator::options())
3397 (recursive_directory_iterator::recursion_pending())
3398 (recursive_directory_iterator::disable_recursion_pending()): Add
3399 non-inline definitions.
3400 (recursive_directory_iterator::depth()): Make noexcept.
3401 (recursive_directory_iterator::increment(error_code&))
3402 (recursive_directory_iterator::pop(error_code&)): Adjust to new
3403 location of options and recursion_pending members.
3404 * testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
3405 * testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
3406 user-declared move constructor and assignment operator, to make the
3409 * src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
3410 d_type == DT_UNKNOWN immediately.
3411 (_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
3413 * testsuite/27_io/filesystem/iterators/caching.cc: New test.
3415 * include/bits/fs_path.h (path::operator=(path&&)): Check for self
3417 * src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
3418 * testsuite/27_io/filesystem/path/assign/copy.cc: Test self
3421 PR libstdc++/87431 (again)
3422 * include/bits/basic_string.h (__variant::_Never_valueless_alt):
3423 Define partial specialization for basic_string.
3424 * include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
3425 shared_ptr and weak_ptr.
3426 * include/bits/std_function.h (_Never_valueless_alt): Likewise for
3428 * include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
3430 * include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
3432 * include/debug/vector (_Never_valueless_alt): Likewise for debug
3434 * include/std/any (_Never_valueless_alt): Define explicit
3435 specialization for any.
3436 * include/std/variant (_Never_valueless_alt): Define primary template.
3437 (__never_valueless): Use _Never_valueless_alt instead of
3438 is_trivially_copyable.
3439 (variant::emplace<N>(Args&&...)): Add special case for non-throwing
3440 initializations to avoid try-catch overhead. Add special case for
3441 scalars produced by potentially-throwing conversions. Use
3442 _Never_valueless_alt instead of is_trivially_copyable for the
3443 remaining strong exception-safety cases.
3444 (variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
3445 * testsuite/20_util/variant/87431.cc: Run both test functions.
3446 * testsuite/20_util/variant/exception_safety.cc: New test.
3447 * testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
3448 so the variant becomes valueless.
3450 2019-04-03 Jonathan Wakely <jwakely@redhat.com>
3453 * include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
3455 (variant::emplace<_Tp>): Return result of emplace<N> directly.
3457 * include/std/string (__hash_string_base): New class template defining
3458 operator() for hashing strings.
3459 (hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
3460 (hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
3461 * testsuite/21_strings/basic_string/hash/hash.cc: New test.
3462 * testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
3464 2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
3466 Use single-visitation in variant assignment and swap and relops.
3467 Also use indices instead of types when checking whether
3468 variants hold the same thing.
3469 * include/std/variant (__do_visit): Add a template parameter
3470 for index visitation, invoke with indices if index visitation
3472 (__variant_idx_cookie): New.
3473 (__visit_with_index): Likewise.
3474 (_Copy_assign_base::operator=): Do single-visitation with
3476 (_Move_assign_base::operator=): Likewise.
3477 (_Extra_visit_slot_needed): Adjust.
3478 (__visit_invoke): Call with indices if it's an index visitor.
3479 (relops): Do single-visitation with an index visitor.
3481 (__visitor_result_type): New.
3483 2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
3485 * src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
3487 2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
3489 Don't revisit a variant we are already visiting.
3490 * include/std/variant (__variant_construct_single): New.
3491 (__variant_construct): Use it.
3492 (_M_destructive_move): Likewise.
3493 (_M_destructive_copy): Likewise.
3494 (_Copy_assign_base::operator=): Adjust.
3495 (_Move_assign_base::operator=): Likewise.
3498 2019-03-26 Jonathan Wakely <jwakely@redhat.com>
3501 * include/bits/hashtable.h (_Hashtable): Move static assertions to
3502 destructor so they are not evaluated until the _Key type is complete.
3503 * include/bits/stl_tree.h (_Rb_tree): Likewise.
3504 * testsuite/23_containers/set/85965.cc: New test.
3505 * testsuite/23_containers/unordered_set/85965.cc: New test.
3506 * testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
3507 with regexp matching the corresponding _Rb_tree specialization.
3508 * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
3509 * testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
3510 * testsuite/23_containers/set/48101_neg.cc: Likewise.
3511 * testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
3512 * testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
3513 * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
3514 * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
3516 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3519 Fix based on a suggestion by Antony Polukhin.
3520 * include/std/variant (__never_valueless): New.
3522 (_Extra_visit_slot_needed): New.
3523 (_Multi_array): Use it.
3524 (_S_apply_all_alts): Likewise.
3526 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3529 Fix based on a suggestion by Antony Polukhin.
3530 * include/std/variant (__gen_vtable): Don't reserve an
3531 additional table slot, _Multi_array already does that.
3533 2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
3536 Fix based on a suggestion by Antony Polukhin.
3537 * include/std/variant (__variant_construct): Capture a pointer
3538 to the storage and visit just one variant.
3540 2019-03-22 Jonathan Wakely <jwakely@redhat.com>
3542 * doc/xml/manual/backwards_compatibility.xml: Remove link to
3543 Doxygen-generated pages with unstable URL.
3544 * doc/xml/manual/concurrency_extensions.xml: Likewise.
3545 * doc/xml/manual/extensions.xml: Likewise.
3546 * doc/xml/manual/parallel_mode.xml: Likewise.
3547 * doc/xml/manual/support.xml: Likewise.
3549 * include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
3550 avoid -Wconversion warnings.
3552 2019-03-21 Thomas Rodgers <trodgers@redhat.com>
3554 * include/Makefile.am (std_header): Add ${std_srcdir}/execution.
3555 (pstl_srcdir, pstl_builddir, pstl_headers): New variables.
3556 (allstamped): Add stamp-pstl.
3557 (install-headers): Add ptsl_builddir.
3558 * include/Makefile.in: Regenerate.
3559 * include/bits/c++config: Add pstl configuration.
3560 * include/pstl/LICENSE.txt: New file.
3561 * include/pstl/algorithm_fwd.h: New file.
3562 * include/pstl/algorithm_impl.h: New file.
3563 * include/pstl/execution_defs.h: New file.
3564 * include/pstl/execution_impl.h: New file.
3565 * include/pstl/glue_algorithm_defs.h: New file.
3566 * include/pstl/glue_algorithm_impl.h: New file.
3567 * include/pstl/glue_execution_defs.h: New file.
3568 * include/pstl/glue_memory_defs.h: New file.
3569 * include/pstl/glue_memory_impl.h: New file.
3570 * include/pstl/glue_numeric_defs.h: New file.
3571 * include/pstl/glue_numeric_impl.h: New file.
3572 * include/pstl/memory_impl.h: New file.
3573 * include/pstl/numeric_fwd.h: New file.
3574 * include/pstl/numeric_impl.h: New file.
3575 * include/pstl/parallel_backend.h: New file.
3576 * include/pstl/parallel_backend_tbb.h: New file.
3577 * include/pstl/parallel_backend_utils.h: New file.
3578 * include/pstl/parallel_impl.h: New file.
3579 * include/pstl/pstl_config.h: New file.
3580 * include/pstl/unseq_backend_simd.h: New file.
3581 * include/pstl/utils.h: New file.
3582 * include/std/algorithm: Include parallel algorithm implementations.
3583 * include/std/execution: New file.
3584 * include/std/memory: Include parallel algorithm implementations.
3585 * include/std/numeric: Include parallel algorithm implementations.
3586 * include/std/version: Add parallel algorithms feature test macro.
3587 * testsuite/util/pstl/pstl_test_config.h: New file.
3588 * testsuite/util/pstl/test_utils.h: New file.
3589 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
3590 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
3591 * testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
3592 * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
3593 * testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
3594 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
3595 * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
3596 * testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
3597 * testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
3598 * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
3599 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
3600 * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
3601 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
3602 * testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
3603 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
3604 * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
3605 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
3606 * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
3607 * testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
3608 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
3609 * testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
3610 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
3611 * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
3612 * testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
3613 * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
3614 * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
3615 * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
3616 * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
3617 * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
3618 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
3619 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
3620 * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
3621 * testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
3622 * testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
3623 * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
3624 * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
3625 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
3626 * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
3627 * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
3628 * testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
3629 * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
3630 * testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
3631 * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
3632 * testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
3633 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
3634 * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
3635 * testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
3636 * testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
3637 * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
3638 * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
3639 * testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
3640 * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
3641 * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
3642 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
3643 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
3644 * testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
3645 * testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
3646 * testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
3647 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
3648 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
3649 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
3650 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
3651 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
3652 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
3653 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
3654 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
3655 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
3656 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
3657 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
3658 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
3659 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
3660 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
3661 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
3662 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
3663 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
3664 * testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
3665 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
3666 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
3667 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
3668 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
3669 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
3670 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
3671 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
3672 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
3673 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
3674 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
3675 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
3676 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
3677 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
3678 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
3679 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
3680 * testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
3681 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
3682 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
3683 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
3684 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
3685 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
3686 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
3687 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
3688 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
3689 * testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
3690 * testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
3691 * testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
3692 * testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
3693 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
3694 * testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
3696 2019-03-21 Jonathan Wakely <jwakely@redhat.com>
3698 * include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
3699 (assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
3700 (assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
3701 (comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
3702 (comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
3703 (cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
3704 (cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
3705 (cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
3706 (ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
3707 (ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
3708 (hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
3709 (legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
3710 (sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
3711 (sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
3712 when the special functions IS is enabled, not for C++17.
3713 * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
3715 * testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
3716 without checks for special functions in C++17.
3717 * testsuite/26_numerics/headers/cmath/special_functions_global.cc:
3721 * include/backward/hash_map: Use <> for includes not "".
3722 * include/backward/hash_set: Likewise.
3723 * include/backward/strstream: Likewise.
3724 * include/tr1/bessel_function.tcc: Likewise.
3725 * include/tr1/exp_integral.tcc: Likewise.
3726 * include/tr1/legendre_function.tcc: Likewise.
3727 * include/tr1/modified_bessel_func.tcc: Likewise.
3728 * include/tr1/riemann_zeta.tcc: Likewise.
3730 2019-03-19 Jonathan Wakely <jwakely@redhat.com>
3732 * doc/xml/manual/allocator.xml: Link to table documenting evolution
3733 of extension allocators.
3734 * doc/xml/manual/evolution.xml: Use angle brackets for header names.
3735 Document new headers in 7.2, 8.1 and 9.1 releases.
3736 * doc/xml/manual/using.xml: Adjust link target for new_allocator.
3737 * doc/html/*: Regenerate.
3739 2019-03-12 John David Anglin <dave.anglin@bell.net>
3742 * testsuite/lib/libstdc++.exp: Locate libatomic.
3743 * testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
3744 * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
3746 * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
3747 * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
3748 * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
3749 * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
3751 2019-03-11 Jonathan Wakely <jwakely@redhat.com>
3754 * configure.ac: Check for sockatmark.
3755 * crossconfig.m4: Check for sockatmark.
3756 * config.h.in: Regenerate.
3757 * configure: Regenerate.
3758 * include/experimental/internet (address_v4::_S_hton): Rename
3759 overloaded functions to _S_hton_16 and _S_ntoh_16.
3760 (address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
3761 (basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
3762 * include/experimental/socket (basic_socket::at_mark): Check
3763 _GLIBCXX_HAVE_SOCKATMARK.
3765 * testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
3766 const variables instead of macros.
3769 * libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
3770 Use correct type for len_aligned.
3771 * testsuite/20_util/hash/89629.cc: New test.
3773 2019-03-11 Jakub Jelinek <jakub@redhat.com>
3776 * include/std/atomic (atomic<T>::store, atomic<T>::load,
3777 atomic<T>::exchange, atomic<T>::compare_exchange_weak,
3778 atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
3779 * include/bits/atomic_base.h (__atomic_base<T>::operator++,
3780 __atomic_base<T>::operator--, __atomic_base<T>::operator+=,
3781 __atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
3782 __atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
3783 __atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
3784 __atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
3785 memory_order_seq_cst to int.
3787 2019-03-08 Jonathan Wakely <jwakely@redhat.com>
3789 * doc/xml/manual/using.xml: Use link element instead of xref.
3790 * doc/html/*: Regenerate.
3792 * include/bits/fs_path.h (path::format): Add fixed underlying type.
3794 2019-03-08 François Dumont <fdumont@gcc.gnu.org>
3797 * include/debug/map.h (map): Use _RequireNotAllocator to constrain
3798 parameters in deduction guides.
3799 * include/debug/multimap.h (multimap): Likewise.
3800 * include/debug/set.h (multimap): Likewise.
3801 * include/debug/multiset.h (multimap): Likewise.
3802 * include/debug/unordered_map (unordered_map): Likewise.
3803 (unordered_multimap): Likewise.
3804 * include/debug/unordered_set (unordered_set): Likewise.
3805 (unordered_multiset): Likewise.
3808 * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
3809 Invalidate all iterators in case of rehash.
3810 (unordered_multimap<>::_M_check_rehashed): Likewise.
3811 * include/debug/unordered_set
3812 (unordered_set<>::_M_check_rehashed): Likewise.
3813 (unordered_multiset<>::_M_check_rehashed): Likewise.
3814 * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
3816 2019-03-07 Andreas Schwab <schwab@suse.de>
3818 * config/abi/post/riscv64-linux-gnu: New directory.
3819 * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
3821 2019-03-07 Jonathan Wakely <jwakely@redhat.com>
3823 * testsuite/20_util/function_objects/bind_front/1.cc: Change from
3824 compile test to run. Fix typo.
3826 * doc/xml/manual/status_cxx2020.xml: Update C++20 status.
3827 * doc/html/*: Regenerate.
3829 P0356R5 Simplified partial function application
3830 * include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
3831 helpers for bind_front.
3832 (bind_front, __cpp_lib_bind_front): Define.
3833 * testsuite/20_util/function_objects/bind_front/1.cc: New test.
3835 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
3837 * include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
3838 * include/std/version (__cpp_lib_bounded_array_traits): Likewise.
3839 * testsuite/20_util/is_bounded_array/value.cc: Check for macro.
3840 * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
3842 2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
3844 PR libstdc++/86655 - std::assoc_legendre should not constrain
3845 the value of m (or x).
3846 * include/tr1/legendre_function.tcc (__assoc_legendre_p,
3847 __sph_legendre): If degree > order Don't throw, return 0.
3848 (__legendre_p, __assoc_legendre_p): Don't constrain x either.
3849 * testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
3850 * testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
3851 * testsuite/tr1/5_numerical_facilities/special_functions/
3852 02_assoc_legendre/pr86655.cc: New test.
3853 * testsuite/tr1/5_numerical_facilities/special_functions/
3854 22_sph_legendre/pr86655.cc: New test.
3856 2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
3859 Also PR libstdc++/85517
3860 * include/std/variant (__do_visit): New.
3861 (__variant_cast): Likewise.
3862 (__variant_cookie): Likewise.
3863 (__erased_*): Remove.
3864 (_Variant_storage::_S_vtable): Likewise.
3865 (_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
3866 (_Variant_storage::__M_reset): Adjust.
3867 (__variant_construct): New.
3868 (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
3869 __variant_construct.
3870 (_Move_ctor_base(_Move_ctor_base&&)): Likewise.
3871 (_Move_ctor_base::__M_destructive_copy): New.
3872 (_Move_ctor_base::__M_destructive_move): Adjust to use
3873 __variant_construct.
3874 (_Copy_assign_base::operator=): Adjust to use __do_visit.
3875 (_Copy_assign_alias): Adjust to check both copy assignment
3876 and copy construction for triviality.
3877 (_Move_assign_base::operator=): Adjust to use __do_visit.
3878 (_Multi_array): Add support for visitors that accept and return
3880 (__gen_vtable_impl::_S_apply_all_alts): Likewise.
3881 (__gen_vtable_impl::_S_apply_single_alt): Likewise.
3882 (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
3883 a __variant_cookie temporary for a variant that is valueless and..
3884 (__gen_vtable_impl::__visit_invoke): ..adjust here.
3885 (__gen_vtable::_Array_type): Conditionally make space for
3886 the __variant_cookie visitor case.
3887 (__variant_construct_by_index): New.
3888 (get_if): Adjust to use std::addressof.
3889 (relops): Adjust to use __do_visit.
3890 (variant): Add __variant_cast and __variant_construct_by_index
3892 (variant::emplace): Use _M_reset() and __variant_construct_by_index
3893 instead of self-destruction.
3894 (variant::swap): Adjust to use __do_visit.
3895 (visit): Reimplement in terms of __do_visit.
3896 (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
3897 * testsuite/20_util/variant/compile.cc: Adjust.
3898 * testsuite/20_util/variant/run.cc: Likewise.
3900 2019-03-06 Jonathan Wakely <jwakely@redhat.com>
3902 * include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
3904 * testsuite/experimental/feat-char8_t.cc: Likewise.
3906 * include/std/type_traits [C++20] (is_bounded_array)
3907 (is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
3909 * testsuite/20_util/is_bounded_array/requirements/
3910 explicit_instantiation.cc: New test.
3911 * testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
3913 * testsuite/20_util/is_bounded_array/value.cc: New test.
3914 * testsuite/20_util/is_unbounded_array/requirements/
3915 explicit_instantiation.cc: New test.
3916 * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
3918 * testsuite/20_util/is_unbounded_array/value.cc: New test.
3920 * include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
3922 * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
3924 2019-03-05 Jonathan Wakely <jwakely@redhat.com>
3926 * include/c_compatibility/math.h [C++20] (lerp): Add using
3928 * include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
3929 (__lerp): Define function template to implement lerp.
3930 (lerp(float, float, float), lerp(double, double, double))
3931 (lerp(long double, long double, long double)): Define for C++20.
3932 * include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
3933 (midpoint(T, T), midpoint(T*, T*)): Define.
3934 * include/std::version [C++20] (__cpp_lib_interpolate): Define.
3935 * testsuite/26_numerics/lerp.cc: New test.
3936 * testsuite/26_numerics/midpoint/floating.cc: New test.
3937 * testsuite/26_numerics/midpoint/integral.cc: New test.
3938 * testsuite/26_numerics/midpoint/pointer.cc: New test.
3940 2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
3942 PR libstdc++/88996 Implement P0439R0
3943 Make std::memory_order a scoped enumeration.
3944 * include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
3945 add variables for the old enumerators. Adjust calls.
3946 * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
3947 * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
3949 2019-03-04 Jonathan Wakely <jwakely@redhat.com>
3951 * testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
3954 * include/std/memory_resource (polymorphic_allocator): Add default
3955 template argument for C++20.
3956 (polymorphic_allocator::allocate_bytes)
3957 (polymorphic_allocator::deallocate_bytes)
3958 (polymorphic_allocator::allocate_object)
3959 (polymorphic_allocator::deallocate_object)
3960 (polymorphic_allocator::new_object)
3961 (polymorphic_allocator::delete_object): New member functions for
3963 * testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
3966 2019-03-03 Jonathan Wakely <jwakely@redhat.com>
3969 * src/filesystem/ops-common.h (do_copy_file): Open files in binary
3972 2019-03-01 Jonathan Wakely <jwakely@redhat.com>
3974 * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
3975 [!__cpp_sized_deallocation]: Do not pass size to operator delete.
3977 * include/std/memory (uses_allocator_construction_args): New set of
3978 overloaded functions.
3979 (make_obj_using_allocator, uninitialized_construct_using_allocator):
3981 * include/std/memory_resource (polymorphic_allocator::construct)
3982 [__cplusplus > 201703l]: Replace all overloads with a single function
3983 using uses_allocator_construction_args.
3984 * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
3986 * testsuite/20_util/uses_allocator/make_obj.cc: New test.
3988 2019-02-27 Jonathan Wakely <jwakely@redhat.com>
3991 * acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
3992 stylesheet directories before check for xsltproc. Try to use
3993 xmlcatalog to find local stylesheet directory before trying hardcoded
3994 paths. Add path used by suse to hardcoded paths. Adjust xsltproc
3995 check to look for the same stylesheet as doc/Makefile.am uses. Don't
3996 use xsltproc if xmlcatalog fails to find a local stylesheet.
3997 * configure.ac: Check for xmlcatalog.
3998 * Makefile.in: Regenerate.
3999 * configure: Likewise.
4000 * doc/Makefile.in: Likewise.
4001 * include/Makefile.in: Likewise.
4002 * libsupc++/Makefile.in: Likewise.
4003 * po/Makefile.in: Likewise.
4004 * python/Makefile.in: Likewise.
4005 * src/Makefile.in: Likewise.
4006 * src/c++11/Makefile.in: Likewise.
4007 * src/c++17/Makefile.in: Likewise.
4008 * src/c++98/Makefile.in: Likewise.
4009 * src/filesystem/Makefile.in: Likewise.
4010 * testsuite/Makefile.in: Likewise.
4012 2019-02-26 Jonathan Wakely <jwakely@redhat.com>
4015 * include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
4016 container deduction guides.
4017 * include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
4018 * include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
4019 parameters in deduction guides.
4020 * include/bits/stl_multimap.h (multimap): Likewise.
4021 * include/bits/stl_multiset.h (multiset): Likewise.
4022 * include/bits/stl_queue.h (queue, priority_queue): Likewise.
4023 * include/bits/stl_set.h (set): Likewise.
4024 * include/bits/stl_stack.h (stack): Likewise.
4025 * include/bits/unordered_map.h (unordered_map, unordered_multimap):
4026 use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
4027 constrain parameters in deduction guides.
4028 * include/bits/unordered_set.h (unordered_set, unordered_multiset):
4030 * testsuite/23_containers/map/cons/deduction.cc: Test additional
4032 * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
4033 * testsuite/23_containers/set/cons/deduction.cc: Likewise.
4034 * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
4035 * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
4037 * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
4039 * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
4042 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
4043 to class template and partial specialization using void_t.
4044 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4046 2019-02-24 Jonathan Wakely <jwakely@redhat.com>
4049 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
4050 copy and move members public.
4052 2019-02-23 Jonathan Wakely <jwakely@redhat.com>
4054 * include/std/type_traits (__underlying_type_impl): New helper to
4055 make underlying_type SFINAE-friendly.
4056 (underlying_type): Derive from __underlying_type_impl.
4057 * testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
4061 * include/bits/char_traits.h (__constant_char_array): Check index is
4062 in range before dereferencing.
4063 (char_traits<char>::compare, char_traits<char>::find)
4064 (char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
4065 immediately if n is zero.
4066 (char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
4067 Remove workarounds for PR 67026.
4068 * testsuite/21_strings/basic_string_view/operators/char/89446.cc:
4070 * testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
4073 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4075 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
4076 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
4078 2019-02-22 Jakub Jelinek <jakub@redhat.com>
4081 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
4082 type to std::size_t and argument to type to long double.
4084 2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
4086 * configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
4087 * config/abi/post/sparc64-linux-gnu: New directory.
4088 * config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
4089 * config/abi/post/sparc64-linux-gnu/32: New directory.
4090 * config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
4092 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4094 * testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
4095 * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
4098 2019-02-22 Tom Honermann <tom@honermann.net>
4100 * python/libstdcxx/v6/printers.py (register_type_printers): Add type
4101 printers for u8string and u8string_view.
4103 2019-02-22 Tom Honermann <tom@honermann.net>
4105 * testsuite/18_support/byte/ops.cc: Validate
4106 std::to_integer<char8_t>, std::to_integer<char16_t>, and
4107 std::to_integer<char32_t>.
4108 * testsuite/18_support/numeric_limits/dr559.cc: Validate
4109 std::numeric_limits<char8_t>.
4110 * testsuite/18_support/numeric_limits/lowest.cc: Validate
4111 std::numeric_limits<char8_t>::lowest().
4112 * testsuite/18_support/numeric_limits/max_digits10.cc: Validate
4113 std::numeric_limits<char8_t>::max_digits10.
4114 * testsuite/18_support/type_info/fundamental.cc: Validate
4115 typeinfo for char8_t.
4116 * testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
4117 std::from_chars with char8_t.
4118 * testsuite/20_util/hash/requirements/explicit_instantiation.cc:
4119 Validate explicit instantiation of std::hash<char8_t>.
4120 * testsuite/20_util/is_integral/value.cc: Validate
4121 std::is_integral<char8_t>.
4122 * testsuite/20_util/make_signed/requirements/typedefs-4.cc:
4123 Validate std::make_signed<char8_t>.
4124 * testsuite/21_strings/basic_string/cons/char/deduction.cc:
4125 Validate u8string construction from char8_t sources.
4126 * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Validate
4128 * testsuite/21_strings/basic_string_view/operations/compare/
4129 char/70483.cc: Validate substr operations on u8string_view.
4130 * testsuite/21_strings/basic_string_view/typedefs.cc: Validate that
4131 the u8string_view typedef is defined.
4132 * testsuite/21_strings/char_traits/requirements/
4133 constexpr_functions.cc: Validate char_traits<char8_t> constexpr
4135 * testsuite/21_strings/char_traits/requirements/
4136 constexpr_functions_c++17.cc: Validate char_traits<char8_t> C++17
4137 constexpr member functions.
4138 * testsuite/21_strings/headers/string/types_std_c++0x.cc: Validate
4139 that the u8string typedef is defined.
4140 * testsuite/22_locale/locale/cons/unicode.cc: Validate the presence
4141 of the std::codecvt<char16_t, char8_t, std::mbstate_t> and
4142 std::codecvt<char32_t, char8_t, std::mbstate_t> facets.
4143 * testsuite/29_atomics/atomic/cons/assign_neg.cc: Update line
4145 * testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
4146 * testsuite/29_atomics/atomic_integral/cons/assign_neg.cc:
4148 * testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
4149 * testsuite/29_atomics/atomic_integral/is_always_lock_free.cc:
4150 Validate std::atomic<char8_t>::is_always_lock_free
4151 * testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc:
4152 Update line numbers.
4153 * testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc:
4155 * testsuite/29_atomics/atomic_integral/operators/increment_neg.cc:
4157 * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
4158 Validate std::experimental::pmr::u8string.
4159 * testsuite/experimental/string_view/typedefs.cc: Validate that the
4160 u8string_view typedef is defined.
4161 * testsuite/util/testsuite_common_types.h: Add char8_t, char16_t and
4162 char32_t to the typelists.
4164 2019-02-22 Tom Honermann <tom@honermann.net>
4166 * include/ext/typelist.h: Constrain a partial specialization of
4167 typelist::detail::append_ to only match chain<T1,T2>.
4169 2019-02-21 Jonathan Wakely <jwakely@redhat.com>
4172 * include/bits/alloc_traits.h (__is_alloc_insertable_impl): Replace
4173 class template with class. Replace move and copy member types with
4174 member alias templates, so they are only instantiated when needed.
4175 (__is_copy_insertable, __is_move_insertable): Adjust base class.
4176 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: Enable
4177 test for C++11/14/17 as well.
4178 * testsuite/23_containers/vector/modifiers/push_back/89416.cc: New
4181 2019-02-20 Jakub Jelinek <jakub@redhat.com>
4184 * src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Add
4185 _GLIBCXX_PURE to the alias declaration.
4187 2019-02-19 Jonathan Wakely <jwakely@redhat.com>
4189 * testsuite/21_strings/basic_string/literals/types.cc
4190 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string type for u8 literal.
4191 * testsuite/21_strings/basic_string/literals/values.cc
4192 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4193 * testsuite/22_locale/codecvt/char16_t.cc: Adjust for u8 literals
4194 potentially having different type.
4195 * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
4196 * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: Cast u8 literal
4198 * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: Likewise.
4199 * testsuite/22_locale/codecvt/utf8.cc: Likewise.
4200 * testsuite/22_locale/conversions/string/2.cc: Remove u8 prefix from
4201 string literals only using basic character set.
4202 * testsuite/22_locale/conversions/string/3.cc: Likewise. Cast other
4203 u8 literals to char.
4204 * testsuite/29_atomics/headers/atomic/macros.cc [_GLIBCXX_USE_CHAR8_T]:
4205 Test ATOMIC_CHAR8_T_LOCK_FREE.
4206 Add missing #error to ATOMIC_CHAR16_T_LOCK_FREE test.
4207 * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc
4208 [_GLIBCXX_USE_CHAR8_T]: Check for std::atomic_char8_t.
4209 * testsuite/experimental/string_view/literals/types.cc
4210 [_GLIBCXX_USE_CHAR8_T]: Adjust expected string_view type for u8
4212 * testsuite/experimental/string_view/literals/values.cc
4213 [_GLIBCXX_USE_CHAR8_T]: Likewise.
4215 2019-02-19 Tom Honermann <tom@honermann.net>
4217 * testsuite/18_support/numeric_limits/char8_t.cc: New test cloned
4218 from char16_32_t.cc; validates numeric_limits<char8_t>.
4219 * testsuite/21_strings/basic_string/literals/types-char8_t.cc: New
4220 test cloned from types.cc; validates operator""s for char8_t
4222 * testsuite/21_strings/basic_string/literals/values-char8_t.cc: New
4223 test cloned from values.cc; validates construction and comparison
4225 * testsuite/21_strings/basic_string/requirements/
4226 /explicit_instantiation/char8_t/1.cc: New test cloned from
4227 char16_t/1.cc; validates explicit instantiation of
4228 basic_string<char8_t>.
4229 * testsuite/21_strings/basic_string_view/literals/types-char8_t.cc:
4230 New test cloned from types.cc; validates operator""sv for char8_t
4231 returns u8string_view.
4232 * testsuite/21_strings/basic_string_view/literals/
4233 values-char8_t.cc: New test cloned from values.cc; validates
4234 construction and comparison of u8string_view values.
4235 * testsuite/21_strings/basic_string_view/requirements/
4236 explicit_instantiation/char8_t/1.cc: New test cloned from
4237 char16_t/1.cc; validates explicit instantiation of
4238 basic_string_view<char8_t>.
4239 * testsuite/21_strings/char_traits/requirements/char8_t/65049.cc:
4240 New test cloned from char16_t/65049.cc; validates that
4241 char_traits<char8_t> is not vulnerable to the concerns in PR65049.
4242 * testsuite/21_strings/char_traits/requirements/char8_t/
4243 typedefs.cc: New test cloned from char16_t/typedefs.cc; validates
4244 that char_traits<char8_t> member typedefs are present and correct.
4245 * testsuite/21_strings/char_traits/requirements/
4246 explicit_instantiation/char8_t/1.cc: New test cloned from
4247 char16_t/1.cc; validates explicit instantiation of
4248 char_traits<char8_t>.
4249 * testsuite/22_locale/codecvt/char16_t-char8_t.cc: New test cloned
4250 from char16_t.cc: validates
4251 codecvt<char16_t, char8_t, mbstate_t>.
4252 * testsuite/22_locale/codecvt/char32_t-char8_t.cc: New test cloned
4253 from char32_t.cc: validates
4254 codecvt<char32_t, char8_t, mbstate_t>.
4255 * testsuite/22_locale/codecvt/utf8-char8_t.cc: New test cloned from
4256 utf8.cc; validates codecvt<char16_t, char8_t, std::mbstate_t> and
4257 codecvt<char32_t, char8_t, std::mbstate_t>.
4258 * testsuite/27_io/filesystem/path/native/string-char8_t.cc: New
4259 test cloned from string.cc; validates filesystem::path construction
4261 * testsuite/experimental/feat-char8_t.cc: New test; validates that
4262 the __cpp_lib_char8_t feature test macro is defined with the
4264 * testsuite/experimental/filesystem/path/native/string-char8_t.cc:
4265 New test cloned from string.cc; validates filesystem::path
4266 construction from char8_t input.
4267 * testsuite/experimental/string_view/literals/types-char8_t.cc: New
4268 test cloned from types.cc; validates operator""sv for char8_t
4269 returns u8string_view.
4270 * testsuite/experimental/string_view/literals/values-char8_t.cc:
4271 New test cloned from values.cc; validates construction and
4272 comparison of u8string_view values.
4273 * testsuite/experimental/string_view/requirements/
4274 explicit_instantiation/char8_t/1.cc: New test cloned from
4275 char16_t/1.cc; validates explicit instantiation of
4276 basic_string_view<char8_t>.
4277 * testsuite/ext/char8_t/atomic-1.cc: New test; validates that
4278 ATOMIC_CHAR8_T_LOCK_FREE is not defined if char8_t support is not
4281 2019-02-19 Tom Honermann <tom@honermann.net>
4283 P0482R5 char8_t: Standard library support
4284 * config/abi/pre/gnu-versioned-namespace.ver (CXXABI_2.0): Add
4285 typeinfo symbols for char8_t.
4286 * config/abi/pre/gnu.ver: Add CXXABI_1.3.12.
4287 (GLIBCXX_3.4.26): Add symbols for specializations of
4288 numeric_limits and codecvt that involve char8_t.
4289 (CXXABI_1.3.12): Add typeinfo symbols for char8_t.
4290 * include/bits/atomic_base.h: Add atomic_char8_t.
4291 * include/bits/basic_string.h: Add std::hash<u8string> and
4292 operator""s(const char8_t*, size_t).
4293 * include/bits/c++config: Define _GLIBCXX_USE_CHAR8_T and
4295 * include/bits/char_traits.h: Add char_traits<char8_t>.
4296 * include/bits/codecvt.h: Add
4297 codecvt<char16_t, char8_t, mbstate_t>,
4298 codecvt<char32_t, char8_t, mbstate_t>,
4299 codecvt_byname<char16_t, char8_t, mbstate_t>, and
4300 codecvt_byname<char32_t, char8_t, mbstate_t>.
4301 * include/bits/cpp_type_traits.h: Add __is_integer<char8_t> to
4302 recognize char8_t as an integral type.
4303 * include/bits/fs_path.h: (path::__is_encoded_char): Recognize
4305 (path::u8string): Return std::u8string when char8_t support is
4307 (path::generic_u8string): Likewise.
4308 (path::_S_convert): Handle conversion from char8_t input.
4309 (path::_S_str_convert): Likewise.
4310 * include/bits/functional_hash.h: Add hash<char8_t>.
4311 * include/bits/locale_conv.h (__str_codecvt_out): Add overloads for
4313 * include/bits/locale_facets.h (_GLIBCXX_NUM_UNICODE_FACETS): Bump
4314 for new char8_t specializations.
4315 * include/bits/localefwd.h: Add missing declarations of
4316 codecvt<char16_t, char, mbstate_t> and
4317 codecvt<char32_t, char, mbstate_t>. Add char8_t declarations
4318 codecvt<char16_t, char8_t, mbstate_t> and
4319 codecvt<char32_t, char8_t, mbstate_t>.
4320 * include/bits/postypes.h: Add u8streampos
4321 * include/bits/stringfwd.h: Add declarations of
4322 char_traits<char8_t> and u8string.
4323 * include/c_global/cstddef: Add __byte_operand<char8_t>.
4324 * include/experimental/bits/fs_path.h (path::__is_encoded_char):
4326 (path::u8string): Return std::u8string when char8_t support is
4328 (path::generic_u8string): Likewise.
4329 (path::_S_convert): Handle conversion from char8_t input.
4330 (path::_S_str_convert): Likewise.
4331 * include/experimental/string: Add u8string.
4332 * include/experimental/string_view: Add u8string_view,
4333 hash<experimental::u8string_view>, and
4334 operator""sv(const char8_t*, size_t).
4335 * include/std/atomic: Add atomic<char8_t> and atomic_char8_t.
4336 * include/std/charconv (__is_int_to_chars_type): Recognize char8_t
4337 as a character type.
4338 * include/std/limits: Add numeric_limits<char8_t>.
4339 * include/std/string_view: Add u8string_view,
4340 hash<experimental::u8string_view>, and
4341 operator""sv(const char8_t*, size_t).
4342 * include/std/type_traits: Add __is_integral_helper<char8_t>,
4343 __make_unsigned<char8_t>, and __make_signed<char8_t>.
4344 * libsupc++/atomic_lockfree_defines.h: Define
4345 ATOMIC_CHAR8_T_LOCK_FREE.
4346 * src/c++11/Makefile.am: Compile with -fchar8_t when compiling
4347 codecvt.cc and limits.cc so that char8_t specializations of
4348 numeric_limits and codecvt and emitted.
4349 * src/c++11/Makefile.in: Likewise.
4350 * src/c++11/codecvt.cc: Define members of
4351 codecvt<char16_t, char8_t, mbstate_t>,
4352 codecvt<char32_t, char8_t, mbstate_t>,
4353 codecvt_byname<char16_t, char8_t, mbstate_t>, and
4354 codecvt_byname<char32_t, char8_t, mbstate_t>.
4355 * src/c++11/limits.cc: Define members of
4356 numeric_limits<char8_t>.
4357 * src/c++98/Makefile.am: Compile with -fchar8_t when compiling
4358 locale_init.cc and localename.cc.
4359 * src/c++98/Makefile.in: Likewise.
4360 * src/c++98/locale_init.cc: Add initialization for the
4361 codecvt<char16_t, char8_t, mbstate_t> and
4362 codecvt<char32_t, char8_t, mbstate_t> facets.
4363 * src/c++98/localename.cc: Likewise.
4364 * testsuite/util/testsuite_abi.cc: Validate ABI bump.
4366 2019-02-18 Wilco Dijkstra <wdijkstr@arm.com>
4368 * 27_io/filesystem/operations/all.cc: Add dg-require-filesystem-ts.
4369 * 27_io/filesystem/operations/resize_file.cc: Likewise.
4370 * 27_io/filesystem/path/generation/normal2.cc: Likewise.
4372 2019-02-14 Jonathan Wakely <jwakely@redhat.com>
4374 * doc/xml/manual/status_cxx2020.xml: Update P0887R1 status.
4375 * doc/html/*: Regenerate.
4377 * doc/xml/manual/status_cxx2017.xml: Add P0063R3 to status table.
4378 * doc/html/*: Regenerate.
4380 * doc/xml/manual/intro.xml: Document LWG 2586 status.
4381 * include/bits/uses_allocator.h (__uses_alloc): Use const lvalue
4382 allocator type in is_constructible checks.
4383 * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust dg-error.
4384 * testsuite/20_util/scoped_allocator/dr2586.cc: New test.
4385 * testsuite/20_util/tuple/cons/allocators.cc: Add test using
4386 problematic type from LWG 2586 discussion.
4387 * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error.
4388 * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
4390 * configure.ac: Check for C11 timespec_get function.
4391 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
4393 * config.h.in: Regenerate.
4394 * configure: Regenerate.
4395 * include/c_global/ctime (timespec, timespec_get): Add to namespace
4396 std for C++17 and up.
4398 * doc/xml/manual/intro.xml: Document LWG 2537 status.
4399 * include/bits/stl_queue.h
4400 (priority_queue(const Compare&, const Container&, const Alloc&))
4401 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
4403 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
4405 * doc/xml/manual/intro.xml: Document LWG 2566 status.
4406 * include/bits/stl_queue.h (queue, priority_queue): Add static
4407 assertions to enforce LWG 2566 requirement on value_type.
4408 * include/bits/stl_stack.h (stack): Likewise.
4411 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
4413 * doc/xml/manual/intro.xml: Document LWG 2735 status.
4414 * include/bits/std_abs.h: Add comment about LWG 2735.
4415 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
4417 2019-02-13 Jonathan Wakely <jwakely@redhat.com>
4420 * include/std/version [__cpp_impl_destroying_delete]
4421 (__cpp_lib_destroying_delete): Only define for C++2a and later.
4422 * libsupc++/new [__cpp_impl_destroying_delete]
4423 (__cpp_lib_destroying_delete): Likewise.
4424 (destroying_delete_t, destroying_delete): Likewise, but define even
4425 when __cpp_impl_destroying_delete is not defined.
4426 * testsuite/18_support/destroying_delete.cc: New test.
4428 2019-02-11 Jonathan Wakely <jwakely@redhat.com>
4431 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
4432 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
4433 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
4434 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
4436 2019-02-09 Jonathan Wakely <jwakely@redhat.com>
4439 * include/bits/fs_path.h (path::has_root_name)
4440 (path::has_root_directory, path::has_root_path)
4441 (path::has_relative_path, path::has_parent_path)
4442 (path::has_filename, path::has_stem, path::has_extension)
4443 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
4445 * src/c++17/fs_path.cc (path::has_root_name)
4446 (path::has_root_directory, path::has_root_path)
4447 (path::has_relative_path, path::has_parent_path)
4448 (path::has_filename, path::_M_find_extension): Add noexcept.
4450 2019-02-06 Jonathan Wakely <jwakely@redhat.com>
4452 PR libstdc++/89102 (partial)
4453 * include/std/type_traits (common_type<>): Define.
4454 (common_type<T>): Derive from common_type<T, T>.
4455 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
4456 Test zero-length template argument list.
4457 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
4458 Test additional single argument cases.
4459 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
4460 Adjust expected error.
4462 2019-02-05 Jonathan Wakely <jwakely@redhat.com>
4465 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
4467 * include/bits/stl_stack.h (stack): Likewise.
4468 * testsuite/23_containers/priority_queue/deduction.cc: New test.
4469 * testsuite/23_containers/queue/deduction.cc: New test.
4470 * testsuite/23_containers/stack/deduction.cc: New test.
4473 * include/std/type_traits (__is_convertible_helper)
4474 (__is_convertible_helper<_From, _To, false>): Revert changes to
4475 support is_nothrow_convertible.
4476 (__is_nt_convertible_helper): New helper.
4477 (is_nothrow_convertible): Use __is_nt_convertible_helper.
4479 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
4480 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
4483 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
4484 __is_alloc_insertable_impl. Replace single type member with two
4485 members, one for each of copy and move insertable.
4486 (__is_move_insertable): New trait for internal use.
4487 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
4488 (vector::_S_nothrow_relocate(true_type)): New functions to
4489 conditionally check if __relocate_a can throw.
4490 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
4491 on __is_move_insertable.
4492 (vector::_S_do_relocate): New overloaded functions to conditionally
4494 (vector::_S_relocate): New function that dispatches to _S_do_relocate
4495 based on _S_use_relocate.
4496 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4497 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
4498 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
4501 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
4502 parameter unnamed. Add message to static assertion.
4503 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4504 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
4507 2019-02-05 Marc Glisse <marc.glisse@inria.fr>
4510 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
4512 (__is_bitwise_relocatable): ... to this.
4513 (__relocate_a_1): Adapt.
4514 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
4515 (__is_bitwise_relocatable): ... to this.
4517 2019-01-30 Jonathan Wakely <jwakely@redhat.com>
4520 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
4521 final component as well as from _M_pathname. Append the dot using
4522 operator+= instead of only to _M_pathname.
4523 (path::_M_find_extension): Reformat slightly.
4524 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
4525 Add more test cases.
4527 2019-01-30 Ulrich Drepper <drepper@redhat.com>
4529 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
4531 2019-01-29 Jonathan Wakely <jwakely@redhat.com>
4533 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
4534 constexpr specifiers from arg and proj.
4536 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
4537 __shared_ptr instantiations used by gcc4-compatible ABI.
4539 * include/experimental/forward_list (experimental::erase): Qualify
4541 * include/experimental/list (experimental::erase): Likewise.
4542 * include/std/forward_list (std::erase): Likewise.
4543 * include/std/list (std::erase): Likewise.
4545 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
4547 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
4548 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
4549 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
4550 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
4551 * testsuite/ext/array_allocator/26875.cc: Likewise.
4552 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
4553 * testsuite/util/replacement_memory_operators.h: Likewise.
4554 * testsuite/util/testsuite_allocator.h: Likewise.
4556 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
4557 normal mode vector, even for debug mode.
4558 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
4559 Define alias template for normal mode vector.
4561 2019-01-28 Jonathan Wakely <jwakely@redhat.com>
4564 * config/locale/generic/c_locale.h (__convert_from_v)
4565 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4566 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4567 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
4568 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
4570 2019-01-24 Jonathan Wakely <jwakely@redhat.com>
4573 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
4574 data member with static member function _S_use_relocate().
4575 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
4576 (vector::_M_default_append): Use _S_use_relocate() instead of
4579 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
4582 2019-01-22 Jonathan Wakely <jwakely@redhat.com>
4585 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
4586 write to stderr instead of using printf.
4588 2019-01-21 Jakub Jelinek <jakub@redhat.com>
4591 * include/bits/char_traits.h (__constant_string_p,
4592 __constant_char_array_p): Use __builtin_is_constant_evaluated if
4595 2019-01-20 Ulrich Drepper <drepper@redhat.com>
4597 Implement C++20 P0600r1.
4598 * include/backward/hash_map: Add nodiscard attribute to empty.
4599 * include/backward/hash_set: Likewise.
4600 * backward/hashtable.h: Likewise.
4601 * include/bits/basic_string.h: Likewise.
4602 * include/bits/forward_list.h: Likewise.
4603 * include/bits/hashtable.h: Likewise.
4604 * include/bits/regex.h: Likewise.
4605 * include/bits/stl_deque.h: Likewise.
4606 * include/bits/stl_list.h: Likewise.
4607 * include/bits/stl_map.h: Likewise.
4608 * include/bits/stl_multimap.h: Likewise.
4609 * include/bits/stl_multiset.h: Likewise.
4610 * include/bits/stl_queue.h: Likewise.
4611 * include/bits/stl_set.h: Likewise.
4612 * include/bits/stl_stack.h: Likewise.
4613 * include/bits/stl_tree.h: Likewise.
4614 * include/bits/stl_vector.h: Likewise.
4615 * include/bits/unordered_map.h: Likewise.
4616 * include/bits/unordered_set.h: Likewise.
4617 * include/debug/array: Likewise.
4618 * include/experimental/any: Likewise.
4619 * include/experimental/bits/fs_path.h: Likewise.
4620 * include/experimental/internet: Likewise.
4621 * include/experimental/string_view: Likewise.
4622 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
4624 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
4626 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
4628 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
4630 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
4632 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
4634 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
4636 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
4638 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
4639 info_fn_imps.hpp: Likewise.
4640 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
4641 left_child_next_sibling_heap_.hpp: Likewise.
4642 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
4644 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
4646 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
4648 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
4650 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
4652 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
4654 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
4656 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
4657 * include/ext/pb_ds/trie_policy.hpp: Likewise.
4658 * include/ext/rope: Likewise.
4659 * include/ext/slist: Likewise.
4660 * include/ext/vstring.h: Likewise.
4661 * include/profile/array: Likewise.
4662 * include/std/array: Likewise.
4663 * include/tr1/array: Likewise.
4664 * include/tr1/hashtable.h: Likewise.
4665 * include/tr1/regex: Likewise.
4666 * include/tr2/dynamic_bitset: Likewise.
4667 * include/bits/alloc_traits.h: Add nodiscard attribute to
4669 * include/experimental/memory_resource: Likewise.
4670 * include/ext/alloc_traits.h: Likewise.
4671 * include/ext/array_allocator.h: Likewise.
4672 * include/ext/bitmap_allocator.h: Likewise.
4673 * include/ext/debug_allocator.h: Likewise.
4674 * include/ext/extptr_allocator.h: Likewise.
4675 * include/ext/mt_allocator.h: Likewise.
4676 * include/ext/new_allocator.h: Likewise.
4677 * include/ext/pool_allocator.h: Likewise.
4678 * include/ext/throw_allocator.h: Likewise.
4679 * include/std/scoped_allocator: Likewise.
4680 * libsupc++/eh_alloc.cc: Likewise.
4681 * include/std/future: Add nodiscard attribute to async.
4682 * libsupc++/new: Add nodiscard attribute to new.
4684 2019-01-18 Jonathan Wakely <jwakely@redhat.com>
4689 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
4690 * include/bits/shared_ptr.h
4691 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
4692 (allocate_shared): Change to use new tag type.
4693 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
4694 Declare new member function.
4695 (_Sp_alloc_shared_tag): Define new type.
4696 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
4697 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
4698 _Sp_make_shared_tag::_S_eq to check type_info.
4699 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
4700 Constrain to prevent being called with _Sp_alloc_shared_tag.
4701 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
4702 Replace constructor with ...
4703 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
4704 reference parameter so address of the new object can be returned to
4705 the caller. Obtain the allocator from the tag type.
4706 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
4707 constructor with ...
4708 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
4709 to the __shared_count constructor.
4710 (__allocate_shared): Change to use new tag type.
4711 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
4713 2019-01-17 Jonathan Wakely <jwakely@redhat.com>
4715 * src/c++17/fs_ops.cc
4716 (equivalent(const path&, const path&, error_code&))
4717 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
4718 compare files instead of relying on incomplete info returned by stat.
4721 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
4722 if the path is already absolute.
4723 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
4724 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
4727 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
4728 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
4729 of filesystem::exists.
4730 (create_directories(const path&, error_code&)): Add assertions.
4731 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
4732 Add workaround for bug in _wstat for paths with trailing slash.
4733 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
4734 for expected behaviour on mingw.
4735 * testsuite/experimental/filesystem/operations/create_directories.cc:
4737 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
4738 "TMP" instead of "TMPDIR" and clean environment before each test. Do
4739 not test permissions on mingw targets.
4741 2019-01-16 Jonathan Wakely <jwakely@redhat.com>
4743 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
4744 constructors and open members taking wide strings. Fix patterns for
4745 filesystem::path members to match wstring_view parameters. Add
4746 exports for shared_ptr members used by directory iterators.
4747 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
4748 error code parameter if the file doesn't exist.
4749 * src/filesystem/ops.cc (remove(const path&, error_code&)):
4751 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
4752 values for mingw targets, where "/" is not an absolute path. Do not
4753 test symlinks on mingw targets.
4754 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
4755 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
4757 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
4758 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
4759 that each component of the path is created.
4760 * testsuite/experimental/filesystem/operations/create_directories.cc:
4762 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
4763 permissions on mingw targets.
4764 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
4765 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
4766 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
4767 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
4769 * testsuite/experimental/filesystem/operations/permissions.cc:
4771 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
4772 symlinks or permissions on mingw targets.
4773 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
4774 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
4775 symlinks on mingw targets.
4776 * testsuite/experimental/filesystem/operations/remove_all.cc:
4778 * testsuite/27_io/filesystem/operations/status.cc: Do not test
4779 permissions on mingw targets.
4780 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
4781 test symlinks on mingw targets.
4782 * testsuite/experimental/filesystem/operations/space.cc: Fix test
4785 2019-02-14 Ulrich Drepper <drepper@redhat.com>
4788 Warn about unused comparisons of shared_ptr/unique_ptr
4789 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
4790 * include/bits/shared_ptr.h: Use it for operator ==, !=,
4791 <, <=, >, >= for shared_ptr.
4792 * include/bits/unique_ptr.h: Likewise for unique_ptr.
4794 2019-01-15 Jonathan Wakely <jwakely@redhat.com>
4796 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
4797 as 201611L, because P0497R0 changes are supported.
4798 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
4800 * include/bits/erase_if.h [__cplusplus > 201703L]
4801 (__cpp_lib_erase_if): Only define for C++2a.
4802 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
4803 (__cpp_lib_null_iterators): Define.
4804 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
4805 (__cpp_lib_null_iterators): Define.
4806 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
4808 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
4810 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
4812 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
4813 changes are supported.
4814 * include/std/optional (__cpp_lib_optional): Likewise.
4815 * include/std/variant (__cpp_lib_variant): Likewise.
4816 * include/std/version [!__STRICT_ANSI__]
4817 (__cpp_lib_uncaught_exceptions): Define as long integer.
4818 [__cplusplus >= 201703L] (__cpp_lib_any)
4819 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
4820 (__cpp_lib_variant): Define for C++17.
4821 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
4823 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
4826 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
4828 2019-01-12 Jonathan Wakely <jwakely@redhat.com>
4832 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
4834 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
4837 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
4839 * doc/xml/manual/intro.xml: Include new section.
4840 * doc/xml/manual/status_cxx2017.xml: Document more
4841 implementation-defined properties of the library.
4842 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
4843 * doc/html/*: Regenerate.
4845 * include/bits/refwrap.h [__cplusplus > 201703L]
4846 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
4847 (_Reference_wrapper_base_memfun): Do not define for C++2a.
4848 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
4850 (reference_wrapper::operator()): Add static assertion.
4851 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
4853 * include/std/chrono (duration_values::zero(), duration_values::min())
4854 (duration_values::max()): Add noexcept.
4855 (duration::zero(), duration::min(), duration::max()): Likewise.
4856 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
4857 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
4858 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
4860 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
4862 2019-01-11 Jakub Jelinek <jakub@redhat.com>
4864 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
4865 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
4867 2019-01-11 Jonathan Wakely <jwakely@redhat.com>
4870 * include/bits/functional_hash.h (hash<nullptr_t>): Define
4871 specialization for C++17 (P0513R0, LWG 2817).
4872 * testsuite/20_util/hash/nullptr.cc: New test.
4875 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
4876 pattern for std::basic_stringbuf::str().
4878 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
4879 basic_ostream::operator<< patterns.
4881 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
4883 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
4884 test failures on targets with 32-bit time_t.
4886 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
4887 * include/std/deque: Likewise.
4888 * include/std/forward_list: Likewise.
4889 * include/std/list: Likewise.
4890 * include/std/string: Likewise.
4891 * include/std/vector: Likewise.
4892 * include/std/version: Likewise.
4893 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
4894 * testsuite/23_containers/deque/erasure.cc: Likewise.
4895 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
4896 * testsuite/23_containers/list/erasure.cc: Likewise.
4897 * testsuite/23_containers/map/erasure.cc: Likewise.
4898 * testsuite/23_containers/set/erasure.cc: Likewise.
4899 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
4900 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
4901 * testsuite/23_containers/vector/erasure.cc: Likewise.
4903 * include/experimental/internet [AI_NUMERICSERV]
4904 (resolver_base::numeric_service): Define conditionally.
4905 * testsuite/experimental/net/internet/resolver/base.cc: Test it
4907 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
4910 2019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
4911 Jonathan Wakely <jwakely@redhat.com>
4914 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
4915 (GLIBCXX_3.4.26): Add new exports.
4916 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
4917 correct list of sources.
4918 * include/Makefile.in: Regenerate.
4919 * include/std/ostream (operator<<(nullptr_t)): New member function.
4920 * src/c++17/ostream-inst.cc: New file.
4921 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
4924 2019-01-10 Jonathan Wakely <jwakely@redhat.com>
4926 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
4927 of the source file containing the caller.
4928 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
4929 directories created by test.
4930 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4932 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4934 * testsuite/experimental/filesystem/iterators/
4935 recursive_directory_iterator.cc: Likewise.
4937 2019-01-10 Jakub Jelinek <jakub@redhat.com>
4939 PR tree-optimization/88775
4940 * include/bits/stl_function.h (greater<_Tp*>::operator(),
4941 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
4942 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
4943 instead of __builtin_constant_p if available. Don't bother with
4944 the pointer comparison in C++11 and earlier.
4946 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
4950 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
4953 2019-01-09 Jonathan Wakely <jwakely@redhat.com>
4955 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
4956 for filesystem::path. Give variables more distinctive names.
4958 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
4959 member function to perform non-trivial assignment.
4960 (_Optional_payload_base::_M_move_assign): Likewise.
4961 (_Optional_payload<T, true, false, true>::operator=)
4962 (_Optional_payload<T, true, true, false>::operator=)
4963 (_Optional_payload<T, true, false, false>::operator=): Call
4964 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
4967 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
4968 test std::complex<long double> if long double format is IBM128.
4969 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
4972 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
4974 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
4975 for old std::unique_ptr layout.
4976 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
4977 to become valueless. Add filesystem::path tests.
4980 * include/std/optional (_Optional_payload_base): New class template
4981 for common code hoisted from _Optional_payload specializations. Use
4982 a template for the union, to allow a partial specialization for
4983 types with non-trivial destructors. Add constructors for in-place
4984 initialization to the union.
4985 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
4986 to perform non-trivial copy construction, instead of relying on
4987 non-standard copy elision in a delegating constructor.
4988 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
4989 non-trivial move construction.
4990 (_Optional_payload): Derive from _Optional_payload_base and use it
4991 for everything except the non-trivial assignment operators, which are
4993 (_Optional_payload<false, C, M>): Derive from the specialization
4994 _Optional_payload<true, false, false> and add a destructor.
4995 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
4996 Forward to corresponding members of _Optional_payload.
4997 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
4998 Hoist common members from _Optional_base.
4999 (_Optional_base): Make all members and base class public.
5000 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
5001 _Optional_base_impl.
5002 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
5003 support for new std::optional layout.
5004 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
5007 * include/bits/locale_conv.h: Use <> for includes not "".
5008 * include/ext/random: Likewise.
5009 * include/ext/vstring.h: Likewise.
5011 2019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5013 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
5014 (GLIBCXX_3.4.21): Likewise.
5016 2019-01-08 Jonathan Wakely <jwakely@redhat.com>
5019 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
5020 to match the one that controls whether utimbuf and utime are declared.
5022 2019-01-07 Jonathan Wakely <jwakely@redhat.com>
5025 * include/bits/char_traits.h (char_traits::move): Do not pass null
5026 pointers to memmove.
5027 * include/bits/locale_facets.h
5028 (ctype<char>::widen(const char*, const char*, char*)): Do not
5029 pass null pointers to memcpy.
5030 (ctype<char>::narrow(const char*, const char*, char, char*)):
5032 (ctype<char>::do_widen(const char*, const char*, char*)):
5034 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
5037 * doc/xml/manual/spine.xml: Update copyright years.
5038 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
5039 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
5040 for C++17 filesystem library.
5041 * doc/html/*: Regenerate.
5043 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
5044 * config.h.in: Regenerate.
5045 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
5046 alphabetically and add missing entries for copy_symlink,
5047 hard_link_count, rename, and resize_file.
5048 * configure: Regenerate.
5049 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
5050 used unconditionally.
5051 * src/filesystem/ops-common.h (__gnu_posix::truncate)
5052 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
5053 supports truncating to zero length.
5054 * testsuite/27_io/filesystem/operations/all.cc: New test.
5055 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
5057 2019-01-06 Jonathan Wakely <jwakely@redhat.com>
5060 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
5061 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
5062 * config.h.in: Regenerate.
5063 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
5064 remaining std::filesystem types and functions.
5065 * configure: Regenerate.
5066 * src/c++17/Makefile.am: Add C++17 filesystem sources.
5067 * src/c++17/Makefile.in: Regenerate.
5068 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
5069 here, and change name of included file.
5070 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
5071 here, and change name of included file.
5072 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
5073 path to dir-common.h.
5074 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
5075 path to ops-common.h. Disable -Wunused-parameter warnings.
5076 (internal_file_clock): Define unconditionally.
5077 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
5079 (do_copy_file, do_space): Move definitions to ops.common.h.
5080 (copy, file_size, hard_link_count, last_write_time, space): Only
5081 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
5083 (last_write_time, read_symlink): Remove unused attributes from
5085 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
5086 * src/filesystem/Makefile.in: Regenerate.
5087 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
5088 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
5089 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
5090 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
5091 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
5092 dummy types and functions instead of using #error.
5093 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
5094 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
5096 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
5097 (do_copy_file, do_space): Move definitions here from std-ops.cc.
5098 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
5099 to account for new namespace.
5100 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
5101 -lstdc++fs from dg-options.
5102 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
5103 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
5104 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
5105 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
5106 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
5108 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
5109 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
5111 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
5112 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
5113 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
5114 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
5115 * testsuite/27_io/filesystem/operations/create_directories.cc:
5117 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
5118 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
5119 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
5120 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
5121 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
5122 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
5123 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
5124 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
5125 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
5126 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
5127 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
5128 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
5129 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
5130 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
5131 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
5132 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
5133 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
5134 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
5136 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
5140 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
5141 typeinfo and vtables less greedy.
5142 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
5143 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
5144 * src/c++17/Makefile.in: Regenerate.
5145 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
5146 here, and change name of included file.
5147 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
5148 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
5150 * src/filesystem/Makefile.in: Regenerate.
5151 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
5152 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
5153 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
5154 from dg-options and remove dg-require-filesystem-ts.
5155 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
5156 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
5157 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
5158 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
5159 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
5160 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
5161 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
5162 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
5163 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
5164 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
5165 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
5166 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
5167 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
5168 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
5169 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
5170 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
5171 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
5172 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
5173 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
5174 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
5175 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
5177 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
5178 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
5179 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
5180 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
5181 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
5182 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
5183 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
5184 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
5185 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
5186 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
5187 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
5188 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
5190 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
5192 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
5194 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
5196 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
5197 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
5198 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
5199 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
5200 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
5201 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
5202 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
5203 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
5204 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
5205 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
5207 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
5208 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
5209 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
5210 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
5211 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
5214 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
5215 Check is_trivially_copyable instead of is_scalar.
5216 (variant::emplace<N, Args>(Args&&...)): If construction of the new
5217 contained value can throw and its type is trivially copyable then
5218 construct into a temporary variant and move from it, to provide the
5219 strong exception safety guarantee.
5220 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
5222 * testsuite/20_util/variant/87431.cc: New test.
5223 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
5224 conversion causes valueless state.
5227 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
5228 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
5229 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
5230 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
5231 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
5233 2019-01-05 Jonathan Wakely <jwakely@redhat.com>
5235 * include/bits/fs_fwd.h (__file_clock): Define new clock.
5236 (file_time_type): Redefine in terms of __file_clock.
5237 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
5239 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
5241 (internal_file_lock): New helper type for accessing __file_clock.
5242 (do_copy_file): Use internal_file_lock to convert system time to
5244 (last_write_time(const path&, error_code&)): Likewise.
5245 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
5247 2019-01-04 Jonathan Wakely <jwakely@redhat.com>
5249 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
5250 for const member functions of std::basic_string.
5251 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
5253 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
5254 Make non-standard constructor private.
5255 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
5257 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
5258 explicit instantiations for C++17 as well as earlier dialects.
5259 * src/c++17/Makefile.am: Add new source files.
5260 * src/c++17/Makefile.in: Regenerate.
5261 * src/c++17/cow-string-inst.cc: New file defining explicit
5262 instantiations for basic_string member functions added in C++17.
5263 * src/c++17/string-inst.cc: Likewise.
5265 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
5266 copy/move constructors for old std::basic_string.
5267 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
5268 (basic_string::reference, basic_string::const_reference): Define
5269 as plain references for C++11 and later.
5270 (basic_string::basic_string()): Put constructor body outside
5271 preprocessor conditional groups.
5272 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
5273 instead of copying it.
5274 (basic_string::basic_string(const basic_string&, const _Alloc&)):
5276 (basic_string::basic_string(basic_string&&, const _Alloc&)):
5278 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
5279 cases for old basic_string.
5280 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
5281 allocator-extended constructors unconditionally. Add extra members to
5282 allocator type when using old string ABI.
5283 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
5285 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
5287 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
5288 -fno-inline added to test flags.
5290 * testsuite/21_strings/basic_string/requirements/
5291 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
5293 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
5294 assertion failures with old std::string ABI.
5296 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
5298 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
5299 functions that will only erase elements at the end.
5300 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
5301 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
5302 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
5304 (path::_List::pop_back()): Define.
5305 (path::_List::_M_erase_from(const_iterator)): Define.
5306 (path::operator/=(const path&)): Use pop_back to remove last component
5307 and _M_erase_from to remove multiple components.
5308 (path::_M_append(basic_string_view<value_type>)): Likewise.
5309 (path::operator+=(const path&)): Likewise.
5310 (path::_M_concat(basic_string_view<value_type>)): Likewise.
5311 (path::remove_filename()): Likewise.
5312 (path::lexically_normal()): Use _List::_Impl iterators instead of
5313 path::iterator. Use pop_back to remove components from the end. Clear
5314 trailing filename, instead of using erase(const_iterator) to remove
5315 a non-final component.
5316 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
5318 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
5320 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
5321 incorrect treatment of empty filename after trailing slash.
5322 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
5324 * testsuite/21_strings/basic_string/modifiers/assign/char/
5325 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
5327 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
5328 move_assign_optim.cc: Likewise.
5330 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
5331 Jakub Jelinek <jakub@redhat.com>
5334 * include/experimental/memory: Replace UTF-8 quote characters.
5335 * include/std/future: Replace UTF-8 "em dash" characters.
5337 2019-01-03 Jonathan Wakely <jwakely@redhat.com>
5340 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
5341 * include/debug/forward_list: Likewise.
5342 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
5344 * include/experimental/chrono: Likewise.
5345 * include/experimental/functional: Likewise.
5346 * include/experimental/ratio: Likewise.
5347 * include/experimental/system_error: Likewise.
5348 * include/experimental/tuple: Likewise.
5349 * include/experimental/type_traits: Likewise.
5350 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
5351 * include/parallel/multiseq_selection.h: Likewise.
5354 * config/abi/pre/gnu.ver: Add missing exports.
5355 * testsuite/22_locale/collate_byname/88681.cc: New test.
5356 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
5357 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
5359 2019-01-02 Jonathan Wakely <jwakely@redhat.com>
5361 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
5362 initializer_list<value_type> and from input iterator ranges.
5363 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
5365 * testsuite/experimental/string_view/element_access/char/empty.cc:
5366 Fix year range in copyright header.
5368 2019-01-02 Joel Brobecker <brobecker@adacore.com>
5370 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
5371 Fix year range in copyright header.
5373 2019-01-01 Jakub Jelinek <jakub@redhat.com>
5375 Update copyright years.
5377 Copyright (C) 2019 Free Software Foundation, Inc.
5379 Copying and distribution of this file, with or without modification,
5380 are permitted in any medium without royalty provided the copyright
5381 notice and this notice are preserved.