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3920 Commits

Author SHA1 Message Date
Jonathan Wakely
cc53514672 PR libstdc++/84532 prevent unwrapping of reference_wrapper arguments 
PR libstdc++/84532
	* include/std/thread (thread::__make_invoker): Construct tuple
	directly instead of using make_tuple.
	* testsuite/30_threads/async/84532.cc: New.
	* testsuite/30_threads/thread/84532.cc: New.

From-SVN: r257956
 2018-02-23 23:23:43 +00:00
Jonathan Wakely
670a8d7497 Remove duplicate "//" in comment 
From-SVN: r257147
 2018-01-29 14:09:52 +00:00
Jonathan Wakely
50ea03f403 PR libstdc++/83833 fix failing test on ia32 
PR libstdc++/83833
	* testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
	Add -ffloat-store to options for m68k and ia32.

From-SVN: r257146
 2018-01-29 14:07:27 +00:00
Jonathan Wakely
73ebece382 PR libstdc++/83658 fix exception-safety in std::any::emplace 
PR libstdc++/83658
	* include/std/any (any::__do_emplace): Only set _M_manager after
	constructing the contained object.
	* testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
	* testsuite/20_util/any/modifiers/83658.cc: New test.

From-SVN: r257141
 2018-01-29 12:33:32 +00:00
Jonathan Wakely
58078de77b PR libstdc++/81076 make __byte_operand SFINAE-friendly 
PR libstdc++/81076
	* include/c_global/cstddef (__byte_operand): Define primary template.
	* testsuite/18_support/byte/81076.cc: New test.

From-SVN: r257050
 2018-01-25 15:24:39 +00:00
Christophe Lyon
a46c4287bb [libstdc++][testsuite] Fix dg-options/dg-add-options order 
2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>

	* testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
          dg-options and dg-add-options order.
	* testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
	* testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
	Likewise.
	* testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
	* testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
	Likewise.
	* testsuite/special_functions/02_assoc_legendre/check_nan.cc:
	Likewise.
	* testsuite/special_functions/03_beta/check_nan.cc: Likewise.
	* testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
	Likewise.
	* testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
	Likewise.
	* testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
	Likewise.
	* testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
	Likewise.
	* testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
	Likewise.
	* testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
	Likewise.
	* testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
	Likewise.
	* testsuite/special_functions/10_cyl_neumann/check_nan.cc:
	Likewise.
	* testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
	* testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
	* testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
	* testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
	* testsuite/special_functions/14_expint/check_nan.cc: Likewise.
	* testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
	* testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
	* testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
	* testsuite/special_functions/18_riemann_zeta/check_nan.cc:
	Likewise.
	* testsuite/special_functions/19_sph_bessel/check_nan.cc:
	Likewise.
	* testsuite/special_functions/20_sph_legendre/check_nan.cc:
	Likewise.
	* testsuite/special_functions/21_sph_neumann/check_nan.cc:
	Likewise.

From-SVN: r256879
 2018-01-19 11:17:34 +01:00
Eric Botcazou
229433c94f * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux. 
From-SVN: r256754
 2018-01-16 20:40:09 +00:00
Jonathan Wakely
8b3085e7e8 PR libstdc++/83833 fix chi_squared_distribution::param(const param&) 
PR libstdc++/83833
	* include/bits/random.h (chi_squared_distribution::param): Update
	gamma distribution parameter.
	* testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
	test.

From-SVN: r256708
 2018-01-15 19:58:22 +00:00
Jonathan Wakely
b0e63d9483 PR libstdc++/83830 Define std::has_unique_object_representations_v 
PR libstdc++/83830
	* include/std/type_traits (has_unique_object_representations_v): Add
	variable template.
	* testsuite/20_util/has_unique_object_representations/value.cc: Check
	variable template.

From-SVN: r256701
 2018-01-15 15:02:01 +00:00
Ville Voutilainen
c89f2d2468 Make optional conditionally trivially_{copy,move}_{constructible,assignable} 
* include/std/optional (_Optional_payload): Fix the comment in
the class head and turn into a primary and one specialization.
(_Optional_payload::_M_engaged): Strike the NSDMI.
(_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
New.
(_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
Likewise.
(_Optional_payload<_Tp, false>::_M_get): Likewise.
(_Optional_payload<_Tp, false>::_M_reset): Likewise.
(_Optional_base_impl): Likewise.
(_Optional_base): Turn into a primary and three specializations.
(optional(nullopt)): Change the base init.
* testsuite/20_util/optional/assignment/8.cc: New.
* testsuite/20_util/optional/cons/trivial.cc: Likewise.
* testsuite/20_util/optional/cons/value_neg.cc: Adjust.

From-SVN: r256694
 2018-01-15 13:32:24 +02:00
Jonathan Wakely
bab0a26de5 PR libstdc++/80276 fix template argument handling in type printers 
PR libstdc++/80276
	* python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
	(get_template_arg_list): New.
	(StdVariantPrinter._template_args): Remove, use get_template_arg_list
	instead.
	(TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
	of strings and regular expressions.
	(add_one_template_type_printer): Adapt to new TemplateTypePrinter.
	(FilteringTypePrinter): Add docstring. Match using startswith. Use
	strip_inline_namespaces instead of strip_versioned_namespace.
	(add_one_type_printer): Prepend namespace to match argument.
	(register_type_printers): Add type printers for char16_t and char32_t
	string types and for types using cxx11 ABI. Update calls to
	add_one_template_type_printer to provide default argument dicts.
	* testsuite/libstdc++-prettyprinters/80276.cc: New test.
	* testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
	basic_string<unsigned char> and basic_string<signed char>.
	* testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
	to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.

From-SVN: r256689
 2018-01-15 11:13:53 +00:00
Tim Shen
8532713fc4 re PR libstdc++/83601 (std::regex_replace C++14 conformance issue: escaping in SED mode) 
PR libstdc++/83601
	* include/bits/regex.tcc (regex_replace): Fix escaping in sed.
	* testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
	* testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.

From-SVN: r256654
 2018-01-14 00:48:30 +00:00
Rainer Orth
c969e34e3f Link with correct values-*.o files on Solaris (PR target/40411) 
gcc/testsuite:
	PR libfortran/67412
	* gfortran.dg/execute_command_line_2.f90: Remove dg-xfail-run-if
	on *-*-solaris2.10.

	libstdc++-v3:
	PR libstdc++/64054
	* testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
	Remove dg-xfail-run-if.

	gcc:
	PR target/40411
	* config/sol2.h (STARTFILE_ARCH_SPEC): Don't use with -shared or
	-symbolic.
	Use values-Xc.o for -pedantic.
	Link with values-xpg4.o for C90, values-xpg6.o otherwise.

From-SVN: r256568
 2018-01-12 09:52:53 +00:00
François Dumont
75ce74bbdd 2018-01-10 François Dumont <fdumont@gcc.gnu.org> 
* include/bits/forward_list.h
	(_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
	(_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
	(_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
	(_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
	(_Fwd_list_impl()): Add noexcept qualification.
	(_Fwd_list_impl(const _Node_alloc_type&)): Delete.
	(_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
	(_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
	(_Fwd_list_base()): Default.
	(_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
	(_Fwd_list_base(_Fwd_list_base&&)): Default.
	(forward_list<>()): Default.
	(forward_list<>(forward_list&&)): Default.
	(forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
	(forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
	(forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
	* include/bits/forward_list.tcc
	(_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
	_M_impl._M_head move assignment.
	(forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
	* testsuite/23_containers/forward_list/allocator/default_init.cc: New.

From-SVN: r256439
 2018-01-10 16:59:02 +00:00
Jonathan Wakely
8273aa77d4 PR libstdc++/80276 fix pretty printers for array smart pointers 
PR libstdc++/80276
	* python/libstdcxx/v6/printers.py (SharedPointerPrinter)
	(UniquePointerPrinter): Print correct template argument, not type of
	the pointer.
	(TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
	a type.
	* testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
	array type.
	* testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
	weak_ptr of array types.

From-SVN: r256400
 2018-01-09 21:46:13 +00:00
François Dumont
0f1462579e re PR libstdc++/83709 (Inserting duplicates into an unordered associative containers causes the container to invalidate iterators) 
2018-01-09  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/83709
	* include/bits/hashtable_policy.h
	(__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
	__first != __last.
	(_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
	(_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
	Add false_type parameter.
	(_Insert_base::insert): Adapt.
	* include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
	Adapt.
	(_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
	 Add __n_elt parameter, defaulted to 1.
	(_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
	policy _M_need_rehash.
	(_Hashtable::_M_merge_unique): Pass target number of elements to add to
	produce only 1 rehash if necessary.
	* testsuite/23_containers/unordered_map/insert/83709.cc: New.
	* testsuite/23_containers/unordered_set/insert/83709.cc: New.

From-SVN: r256396
 2018-01-09 21:05:10 +00:00
Juraj Oršulić
d2dfcf823c PR libstdc++/59253 Improve pretty printers for smart pointers 
PR libstdc++/59253 (partial)
	* python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
	type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
	(SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
	children.
	* testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
	of unique_ptr printer.
	* testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
	output of shared_ptr printer.

From-SVN: r256390
 2018-01-09 18:49:57 +00:00
Jonathan Wakely
388058dd06 PR libstdc++/83626 handle ENOENT due to filesystem race 
PR libstdc++/83626
	* src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
	report an error for ENOENT.
	(remove_all(const path&)): Fix type of result variable.
	(remove_all(const path&, error_code&)): Use non-throwing increment
	for directory iterator. Call POSIX remove directly to avoid redundant
	calls to symlink_status. Do not report errors for ENOENT.
	* src/filesystem/std-ops.cc: Likewise.
	* testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
	overload.
	* testsuite/experimental/filesystem/operations/remove_all.cc:
	Likewise.

From-SVN: r256283
 2018-01-05 18:02:18 +00:00
Jonathan Wakely
994844d36a PR libstdc++/83626 Don't throw for remove("") and remove_all("") 
PR libstdc++/83626
	* src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
	redundant call to ec.clear().
	(remove_all(const path&, error_code&))): Do not return an error for
	non-existent paths.
	* src/filesystem/std-ops.cc: Likewise.
	* testsuite/27_io/filesystem/operations/remove.cc: New test.
	* testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
	results for non-existent paths.
	* testsuite/experimental/filesystem/operations/remove.cc: New test.
	* testsuite/experimental/filesystem/operations/remove_all.cc: Fix
	expected results for non-existent paths.

From-SVN: r256269
 2018-01-04 22:58:59 +00:00
Jonathan Wakely
32489ab56a PR libstdc++/83607 specialize Boyer-Moore searchers for std::byte 
PR libstdc++/83607
	* include/std/functional (__is_byte_like): New trait.
	(__is_std_equal_to): Remove.
	(__boyer_moore_base_t): Use __is_byte_like instead of
	__is_std_equal_to.
	* include/experimental/functional (__is_std_equal_to): Remove.
	(__boyer_moore_base_t): Use __is_byte_like instead of
	__is_std_equal_to.
	* testsuite/20_util/function_objects/83607.cc: New test.

From-SVN: r256231
 2018-01-04 10:21:29 +00:00
Jakub Jelinek
85ec4feb11 Update copyright years. 
From-SVN: r256169
 2018-01-03 11:03:58 +01:00
Jonathan Wakely
ecba356686 PR libstdc++/83600 fix end iterator for unready std::match_results 
PR libstdc++/83600
	* include/bits/regex.h (match_results::end()): Return valid iterator
	when not ready.
	* testsuite/28_regex/match_results/ctors/char/default.cc: Check that
	unready objects are empty and have equal begin and end iterators.
	* testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.

From-SVN: r256014
 2017-12-27 22:18:08 +00:00
Jonathan Wakely
8afe2df012 PR libstdc++/83598 don't modify flags passed to std::basic_regex constructors 
PR libstdc++/83598
	* include/bits/regex.h (basic_regex): Don't modify flags passed to
	constructors.
	* testsuite/28_regex/basic_regex/ctors/83598.cc: New test.

From-SVN: r256013
 2017-12-27 22:18:02 +00:00
Jonathan Wakely
c41743d0c0 PR libstdc++/83538 fix std::match_results<T>::reference (LWG 2306) 
PR libstdc++/83538
	* doc/xml/manual/intro.xml: Document LWG 2306 change.
	* include/bits/regex.h (match_results::reference): Change to
	non-const reference.
	* testsuite/28_regex/match_results/typedefs.cc: Check types are
	correct.

From-SVN: r256012
 2017-12-27 19:43:33 +00:00
Michele Pezzutti
73986c315b re PR libstdc++/83237 (Values returned by std::poisson_distribution are not distributed correctly) 
2017-12-24  Michele Pezzutti <mpezz@tiscali.it>

	PR libstdc++/83237
	* include/bits/random.tcc (poisson_distribution<>::operator()):
	Fix __x = 1 case - see updated Errata of Devroye's treatise.
	* testsuite/26_numerics/random/poisson_distribution/operators/
	values.cc: Add test.
	* testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error
	line number.

From-SVN: r255993
 2017-12-24 22:08:52 +00:00
Jonathan Wakely
4f9621392f PR libstdc++/83450 avoid -Wreturn-type warning in test 
PR libstdc++/83450
	* testsuite/21_strings/basic_string/pthread18185.cc: Add return
	statement.

From-SVN: r255992
 2017-12-24 09:17:38 +00:00
François Dumont
1679da1571 re PR libstdc++/82522 (std::map::insert(value_type &&) not selected) 
2017-12-20  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/82522
	* include/debug/map.h (map::insert(value_type&&))
	(map::insert(const_iterator, value_type&&)): Add overload for rvalues.
	* include/debug/multimap.h (multimap::insert(value_type&&))
	(multimap::insert(const_iterator, value_type&&)): Likewise.
	* include/debug/unordered_map (unordered_map::insert(value_type&&))
	(unordered_map::insert(const_iterator, value_type&&))
	(unordered_multimap::insert(value_type&&))
	(unordered_multimap::insert(const_iterator, value_type&&)): Likewise.
	* testsuite/23_containers/map/modifiers/insert/dr2354.cc (test02): New.
	* testsuite/23_containers/multimap/modifiers/insert/dr2354.cc (test02):
	New.
	* testsuite/23_containers/unordered_map/insert/dr2354.cc (test02): New.
	* testsuite/23_containers/unordered_multimap/insert/dr2354.cc (test02):
	New.

From-SVN: r255904
 2017-12-20 21:53:25 +00:00
Ville Voutilainen
5dd44f4ea5 re PR libstdc++/68430 (std::is_constructible<T>::value == true for unconstructible type T) 
PR libstdc++/68430

* testsuite/20_util/is_constructible/68430.cc: New.

From-SVN: r255785
 2017-12-18 20:46:30 +02:00
Jonathan Wakely
83fd5e73b3 PR libstdc++/68519 use native duration to avoid rounding errors 
PR libstdc++/68519
	* include/std/condition_variable (condition_variable::wait_for):
	Convert duration to native clock's duration before addition.
	* testsuite/30_threads/condition_variable/members/68519.cc: New test.

From-SVN: r255665
 2017-12-14 20:41:52 +00:00
Jonathan Wakely
00677c4877 PR libstdc++/83427 detect weak result type from noexcept functions 
PR libstdc++/83427
	* include/bits/refwrap.h (_Maybe_unary_or_binary_function): Move here
	from <bits/std_function.h>.
	(_Mem_fn_traits_base, _Mem_fn_traits): Move here, from <functional>.
	(_Weak_result_type_impl, _Reference_wrapper_base): Deduce noexcept
	for function types. Remove partial specializations for member
	functions.
	(_Weak_result_type_impl): Remove unused partial specializations for
	non-referenceable function types and for references to functions.
	(_Weak_result_type_memfun, _Reference_wrapper_base_memfun): New
	helpers to handle member functions via _Mem_fn_traits.
	(_Weak_result_type, reference_wrapper): Derive from new helpers.
	* include/bits/std_function.h (_Maybe_unary_or_binary_function): Move
	to <bits/refwrap.h>.
	* include/std/functional (_Pack, _AllConvertible, _NotSame): Remove.
	(_Mem_fn_traits_base, _Mem_fn_traits): Move to <bits/refwrap.h>.
	* testsuite/20_util/bind/83427.cc: New test.
	* testsuite/20_util/bind/refqual.cc: Add noexcept to functions and
	check for weak result types.
	* testsuite/20_util/reference_wrapper/83427.cc: New test.

From-SVN: r255651
 2017-12-14 17:18:22 +00:00
Jonathan Wakely
f297ebafdc Test whitespace handling in std::complex extraction 
* testsuite/26_numerics/complex/inserters_extractors/char/dr2714.cc:
	Add tests using noskipws.

From-SVN: r255632
 2017-12-14 11:47:42 +00:00
Jonathan Wakely
02aee32767 Improve std::complex test and move to sub-directory 
* testsuite/26_numerics/complex/dr2714.cc: Move to ...
	* testsuite/26_numerics/complex/inserters_extractors/char/dr2714.cc:
	... Here. Remove duplicate header and dg-options. Check first invalid
	character gets putback. Remove wchar_t test.

From-SVN: r255630
 2017-12-14 11:28:41 +00:00
Jonathan Wakely
3ca652c199 PR libstdc++/59568 fix error handling for std::complex stream extraction 
PR libstdc++/59568
	* include/std/complex (operator>>): Implement proposed resolution to
	LWG 2714. Use putback if and only if a character has been successfully
	extracted but isn't a delimiter. Use ctype::widen and traits::eq when
	testing if extracted characters match delimiters.
	* testsuite/26_numerics/complex/dr2714.cc: New test.

From-SVN: r255608
 2017-12-13 17:02:14 +00:00
Jonathan Wakely
91d01b33e8 PR libstdc++/83395 fix invocable traits for INVOKE<cv void> 
PR libstdc++/83395
	* include/std/type_traits (__is_invocable_impl): Remove partial
	specialization for INVOKE<void> and restore is_void<R> check in
	primary template.
	(__is_nt_invocable_impl): Likewise.
	* testsuite/20_util/is_invocable/83395.cc: New test.
	* testsuite/20_util/is_nothrow_invocable/83395.cc: New test.

From-SVN: r255584
 2017-12-12 17:42:19 +00:00
David Edelsohn
d3861707eb re PR libstdc++/83120 (ext/special_functions/hyperg failure on AIX) 
PR libstdc++/83120
        * testsuite/ext/special_functions/hyperg/check_value.cc: Add
        -ffp-contract=off. Add -ffloat-store for m68* and ia32.
        * testsuite/tr1/5_numerical_facilities/special_functions/17_hyperg/check_value.cc: Same.

From-SVN: r255483
 2017-12-07 15:05:59 -05:00
Jonathan Wakely
9ed83a33c0 Fix -Wunused warnings in libstdc++ headers 
* config/io/basic_file_stdio.h (__basic_file): Remove name of unused
	parameter.
	* include/bits/boost_concept_check.h: Add pragmas to disable
	-Wunused-local-typedef warnings.
	* include/bits/codecvt.h (codecvt_byname<char16_t, char, mbstate_t>)
	(codecvt_byname<char32_t, char, mbstate_t>): Remove name of unused
	parameter.
	* include/bits/locale_facets_nonio.tcc (time_get::do_get_weekday)
	(time_get::do_get_monthname, time_get::do_get_year): Remove unused
	variables.
	* include/std/bitset (_Base_bitset<0>::_M_getword): Remove name of
	unused parameter.
	* include/std/streambuf (_IsUnused): Define.
	(basic_streambuf::imbue, basic_streambuf::pbackfail)
	(basic_streambuf::overflow): Add macro to unused parameters.
	* testsuite/24_iterators/operations/prev_neg.cc: Adjust dg-error.

From-SVN: r255391
 2017-12-04 23:07:39 +00:00
Jonathan Wakely
f03858e51d Disable -Wliteral-suffix for standard UDLs 
* include/bits/basic_string.h (operator""s): Add pragmas to disable
	-Wliteral-suffix warnings.
	* include/experimental/string_view (operator""sv): Likewise.
	* include/std/chrono (operator""h, operator""min, operator""s)
	(operator""ms, operator""us, operator""ns): Likewise.
	* include/std/complex (operator""if, operator""i, operator""il):
	Likewise.
	* include/std/string_view (operator""sv): Likewise.
	* testsuite/20_util/duration/literals/range.cc: Adjust dg-error.

From-SVN: r255320
 2017-12-01 16:10:25 +00:00
Glen Joseph Fernandes
6b590c7a64 Move assertion from to_address to __to_address 
2017-11-30  Glen Joseph Fernandes  <glenjofe@gmail.com>

	* include/bits/ptr_traits.h (__to_address, to_address): Move static
	assertion.
	* testsuite/20_util/to_address/1_neg.cc: New test.

From-SVN: r255277
 2017-11-30 15:07:21 +00:00
Jonathan Wakely
5f939178ec PR libstdc++/83226 avoid forming pointer-to-reference type 
PR libstdc++/83226
	* include/bits/node_handle.h (_Node_handle::__pointer): Avoid forming
	pointer-to-reference types.
	* testsuite/23_containers/map/modifiers/insert/83226.cc: New test.

From-SVN: r255271
 2017-11-30 13:45:37 +00:00
David Malcolm
591996bad7 C++: improve location of static_assert errors 
gcc/cp/ChangeLog:
	* parser.c (cp_parser_unary_expression): Generate a location for
	"noexcept".
	(cp_parser_trait_expr): Generate and return a location_t,
	converting the return type from tree to cp_expr.
	(cp_parser_static_assert): Pass location of the condition to
	finish_static_assert, rather than that of the "static_assert"
	token, where available.

gcc/testsuite/ChangeLog:
	* g++.dg/cpp1y/static_assert3.C: New test case.

libstdc++-v3/ChangeLog:
	* testsuite/20_util/duration/literals/range.cc: Update expected
	line of a static_assert failure.

From-SVN: r255255
 2017-11-29 22:07:32 +00:00
Glen Joseph Fernandes
61cd19e6be Add std::to_address for C++2a (P0653R2) 
2017-11-28  Glen Joseph Fernandes  <glenjofe@gmail.com>

	* include/bits/ptr_traits.h (to_address): Implement to_address.
	* testsuite/20_util/to_address/1.cc: New test.

From-SVN: r255199
 2017-11-28 14:22:32 +00:00
Jonathan Wakely
a8541d9021 Add [[nodiscard]] attribute to std::launder 
* libsupc++/new (launder): Add nodiscard attribute.
	* testsuite/18_support/launder/nodiscard.cc: New test.

From-SVN: r255127
 2017-11-24 00:00:46 +00:00
Jonathan Wakely
d69f1ec7d1 Add [[nodiscard]] attribute to C++17 components 
* include/bits/fs_path.h (path::empty): Add nodiscard attribute.
	* include/bits/range_access.h (empty): Likewise.
	* include/std/string_view (basic_string_view::empty): Likewise.
	* testsuite/21_strings/basic_string_view/capacity/empty_neg.cc: New
	test.
	* testsuite/24_iterators/range_access_cpp17_neg.cc: New test.
	* testsuite/27_io/filesystem/path/query/empty_neg.cc: New test.

From-SVN: r255124
 2017-11-23 22:11:21 +00:00
Jonathan Wakely
4b9840f230 PR libstdc++/83134 Ensure std::__not_ converts B::value to bool 
PR libstdc++/83134
	* include/std/type_traits (__not_): Explicitly convert to bool.
	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error.
	* testsuite/20_util/logical_traits/83134.cc: New test.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
	dg-error.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.

From-SVN: r255122
 2017-11-23 21:35:27 +00:00
Jonathan Wakely
866e4d3853 PR libstdc++/48101 improve errors for invalid container specializations 
PR libstdc++/48101
	* include/bits/allocator.h (allocator<const _Tp>)
	(allocator<volatile _Tp>, allocator<const volatile _Tp>): Add partial
	specializations.
	* include/bits/forward_list.h (forward_list): Add static assertions.
	* include/bits/hashtable.h (__cache_default): Use
	__is_nothrow_invocable instead of __is_noexcept_hash.
	(_Hashtable): Add static assertions.
	* include/bits/hashtable_policy.h (__is_noexcept_hash): Remove.
	* include/bits/stl_deque.h (deque): Add static assertions.
	* include/bits/stl_function.h (_Identity<const _Tp>): Add partial
	specialization.
	* include/bits/stl_list.h (list): Add static assertions.
	* include/bits/stl_map.h (map): Likewise.
	* include/bits/stl_multimap.h (multimap): Likewise.
	* include/bits/stl_multiset.h (multiset): Likewise.
	* include/bits/stl_set.h (set): Likewise.
	* include/bits/stl_tree.h (_Rb_tree): Likewise.
	* include/bits/stl_vector.h (vector): Likewise.
	* include/bits/unordered_map.h (unordered_map, unordered_multimap):
	Use typename instead of class in template-parameter-list and remove
	spaces.
	* include/bits/unordered_set.h (unordered_set, unordered_multiset):
	Likewise.
	* testsuite/23_containers/deque/48101-2_neg.cc: New test.
	* testsuite/23_containers/deque/48101_neg.cc: New test.
	* testsuite/23_containers/forward_list/48101-2_neg.cc: New test.
	* testsuite/23_containers/forward_list/48101_neg.cc: New test.
	* testsuite/23_containers/list/48101-2_neg.cc: New test.
	* testsuite/23_containers/list/48101_neg.cc: New test.
	* testsuite/23_containers/map/48101-2_neg.cc: New test.
	* testsuite/23_containers/map/48101_neg.cc: New test.
	* testsuite/23_containers/map/operations/31440.cc: Fix comparison
	object to have const-qualified call operator.
	* testsuite/23_containers/multimap/48101-2_neg.cc: New test.
	* testsuite/23_containers/multimap/48101_neg.cc: New test.
	* testsuite/23_containers/multiset/48101-2_neg.cc: New test.
	* testsuite/23_containers/multiset/48101_neg.cc: New test.
	* testsuite/23_containers/set/48101-2_neg.cc: New test.
	* testsuite/23_containers/set/48101_neg.cc: New test.
	* testsuite/23_containers/unordered_map/48101-2_neg.cc: New test.
	* testsuite/23_containers/unordered_map/48101_neg.cc: New test.
	* testsuite/23_containers/unordered_multimap/48101-2_neg.cc: New test.
	* testsuite/23_containers/unordered_multimap/48101_neg.cc: New test.
	* testsuite/23_containers/unordered_multiset/48101-2_neg.cc: New test.
	* testsuite/23_containers/unordered_multiset/48101_neg.cc: New test.
	* testsuite/23_containers/unordered_set/48101-2_neg.cc: New test.
	* testsuite/23_containers/unordered_set/48101_neg.cc: New test.
	* testsuite/23_containers/unordered_set/instantiation_neg.cc: Adjust
	dg-error line number.
	* testsuite/23_containers/vector/48101-2_neg.cc: New test.
	* testsuite/23_containers/vector/48101_neg.cc: New test.

From-SVN: r255035
 2017-11-21 20:47:09 +00:00
François Dumont
e324f9cb92 streambuf_iterator.h (istreambuf_iterator<>): Declare std::advance for istreambuf_iterator of char types to be friend. 
2017-11-20  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/streambuf_iterator.h (istreambuf_iterator<>): Declare
	std::advance for istreambuf_iterator of char types to be friend.
	(std::advance(istreambuf_iterator&, _Distance)): New overload.
	* include/std/streambuf (basic_streambuf<>): Declare std::advance for
	istreambuf_iterator of char types to be friend.
	* testsuite/22_locale/money_get/get/char/9.cc: Have
	istreambuf_iterator created on the fly when calling money_get<>::get.
	* testsuite/22_locale/money_get/get/wchar_t/9.cc: Likewise.
	* testsuite/24_iterators/istreambuf_iterator/debug/1_neg.cc: New.
	* testsuite/24_iterators/istreambuf_iterator/debug/2_neg.cc: New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/char/1.cc: New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/char/1_neg.cc:
	New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/char/2.cc: New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/char/2_neg.cc:
	New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/char/3_neg.cc:
	New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/wchar_t/1.cc:
	New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/wchar_t/1_neg.cc:
	New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/wchar_t/2.cc:
	New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/wchar_t/2_neg.cc:
	New.
	* testsuite/25_algorithms/advance/istreambuf_iterators/wchar_t/3_neg.cc:
	New.
	* testsuite/25_algorithms/find/istreambuf_iterators/char/2.cc: Leverage
	on std::advance overload.
	* testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
	Likewise.

From-SVN: r254972
 2017-11-20 22:30:28 +00:00
Jonathan Wakely
9be0a9d6d2 Fix failing tests caused by duplicate dg-options 
* testsuite/special_functions/18_riemann_zeta/check_value.cc: Fix
	duplicate dg-options directive.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	20_riemann_zeta/check_value_neg.cc: Likewise.

From-SVN: r254971
 2017-11-20 21:48:31 +00:00
Ville Voutilainen
7b7b60c830 Implement LWG 2353 
* include/bits/stl_iterator_base_funcs.h (next):
Use InputIterator instead of ForwardIterator.
* testsuite/24_iterators/operations/lwg2353.cc: New.
* testsuite/24_iterators/operations/next_neg.cc: Remove.

From-SVN: r254957
 2017-11-20 16:21:42 +02:00
Edward Smith-Rowland
b46881363f PR libstdc++/pr66689 - comp_ellint_3 and ellint_3 return garbage values 
2017-11-18  Edward Smith-Rowland  <3dw4rd@verizon.net>

	PR libstdc++/pr66689 - comp_ellint_3 and ellint_3 return garbage values
	* include/tr1/ell_integral.tcc: Correct the nu sign convention
	in ellint_3 and comp_ellint_3.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	06_comp_ellint_3/check_value.cc: Regen with correct values.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	14_ellint_3/check_value.cc: Ditto.
	* testsuite/special_functions/06_comp_ellint_3/check_value.cc: Ditto.
	* testsuite/special_functions/13_ellint_3/check_value.cc: Ditto.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	01_assoc_laguerre/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	02_assoc_legendre/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	03_beta/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	04_comp_ellint_1/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	05_comp_ellint_2/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	07_conf_hyperg/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	08_cyl_bessel_i/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	09_cyl_bessel_j/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	10_cyl_bessel_k/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	11_cyl_neumann/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	12_ellint_1/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	13_ellint_2/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	15_expint/check_value_neg.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	16_hermite/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	17_hyperg/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	18_laguerre/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	19_legendre/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	20_riemann_zeta/check_value_neg.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	21_sph_bessel/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	22_sph_legendre/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	23_sph_neumann/check_value.cc: Regen.
	* testsuite/ext/special_functions/conf_hyperg/check_value.cc: Regen.
	* testsuite/ext/special_functions/hyperg/check_value.cc: Regen.
	* testsuite/special_functions/01_assoc_laguerre/check_value.cc: Regen.
	* testsuite/special_functions/02_assoc_legendre/check_value.cc: Regen.
	* testsuite/special_functions/03_beta/check_value.cc: Regen.
	* testsuite/special_functions/04_comp_ellint_1/check_value.cc: Regen.
	* testsuite/special_functions/05_comp_ellint_2/check_value.cc: Regen.
	* testsuite/special_functions/07_cyl_bessel_i/check_value.cc: Regen.
	* testsuite/special_functions/08_cyl_bessel_j/check_value.cc: Regen.
	* testsuite/special_functions/09_cyl_bessel_k/check_value.cc: Regen.
 	* testsuite/special_functions/10_cyl_neumann/check_value.cc: Regen.
	* testsuite/special_functions/11_ellint_1/check_value.cc: Regen.
	* testsuite/special_functions/12_ellint_2/check_value.cc: Regen.
	* testsuite/special_functions/14_expint/check_value.cc: Regen.
	* testsuite/special_functions/15_hermite/check_value.cc: Regen.
	* testsuite/special_functions/16_laguerre/check_value.cc: Regen.
	* testsuite/special_functions/17_legendre/check_value.cc: Regen.
	* testsuite/special_functions/18_riemann_zeta/check_value.cc: Regen.
	* testsuite/special_functions/19_sph_bessel/check_value.cc: Regen.
	* testsuite/special_functions/20_sph_legendre/check_value.cc: Regen.
	* testsuite/special_functions/21_sph_neumann/check_value.cc: Regen.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	06_comp_ellint_3/pr66689.cc: New.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	14_ellint_3/pr66689.cc: New.
	* testsuite/special_functions/06_comp_ellint_3/pr66689.cc: New.
	* testsuite/special_functions/13_ellint_3/pr66689.cc: New.

From-SVN: r254924
 2017-11-19 01:01:50 +00:00
Edward Smith-Rowland
a7a389d6ee specfun.h: Expose airy_ai and airy_bi. 
2017-11-18  Edward Smith-Rowland  <3dw4rd@verizon.net>

	* include/bits/specfun.h: Expose airy_ai and airy_bi.
	* include/tr1/modified_bessel_func.tcc: Treat NaN and inf arg, return.
	* testsuite/ext/special_functions/airy_ai/check_nan.cc: New.
	* testsuite/ext/special_functions/airy_ai/check_value.cc: New.
	* testsuite/ext/special_functions/airy_ai/compile.cc: New.
	* testsuite/ext/special_functions/airy_bi/check_nan.cc: New.
	* testsuite/ext/special_functions/airy_bi/check_value.cc: New.
	* testsuite/ext/special_functions/airy_bi/compile.cc: New.

From-SVN: r254917
 2017-11-18 19:53:25 +00:00