Backport from mainline
2018-01-16 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/83834
* config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
pattern with exact match for std::cerr.
From-SVN: r256882
PR libstdc++/79254
* config/abi/pre/gnu.ver: Remove recently added symbols.
* include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
(basic_string::_M_copy_assign): Remove.
(basic_string::operator=(const basic_string&)): Don't dispatch to
_M_copy_assign. If source object is small just deallocate, otherwise
perform new allocation before making any changes.
* include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
(basic_string::_M_copy_assign(const basic_string&, true_type)):
Remove.
* testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
Test cases where the allocators are equal or the string is small.
* testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
Likewise.
From-SVN: r245085
* acinclude.m4 (libtool_VERSION): Bump to 6:23:0.
* config/abi/pre/gnu.ver: Add 3.4.23 version for new basic_string
symbols.
* configure: Regenerate.
* testsuite/util/testsuite_abi.cc: Add new symbol version.
From-SVN: r238853
* acinclude.m4 (GLIBCXX_ENABLE_LIBSTDCXX_CXX11_ABI): Remove.
(GLIBCXX_ENABLE_LIBSTDCXX_DUAL_ABI, GLIBCXX_DEFAULT_ABI): Add.
* configure.ac: Use new macros.
* configure: Regenerate.
* Makefile.in: Regenerate.
* doc/Makefile.in: Regenerate.
* libsupc++/Makefile.in: Regenerate.
* po/Makefile.in: Regenerate.
* src/Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
* include/Makefile.am: Set _GLIBCXX_USE_DUAL_ABI.
* include/Makefile.in: Regenerate.
* config/abi/pre/gnu.ver: Export symbols related to new std::string.
Tighten old patterns to not match new symbols.
* config/locale/generic/monetary_members.cc: Guard some definitions
to not compile with new ABI.
* config/locale/gnu/monetary_members.cc: Likewise.
* config/locale/gnu/numeric_members.cc: Prevent double-free.
* config/os/gnu-linux/ldbl-extra.ver: Add new __gnu_cxx_ldbl128
exports. Tighten old patterns.
* doc/xml/manual/configure.xml: Document new configure options.
* doc/html/*: Regenerate.
* include/bits/basic_string.h (__cxx11::basic_string): Define new
non-reference-counted implementation in inline namespace __cxx11.
(stoi, stol, stoll, stof, stod, stold, to_string): Conditionally use
inline namespace.
(literals::string_literals::operator"): Conditionally use abi-tag.
* include/bits/basic_string.tcc (__cxx11::basic_string): Define.
* include/bits/c++config: Define _GLIBCXX_USE_DUAL_ABI and
LDBL_CXX11_ABI namespace macros.
* include/bits/locale_classes.h (locale::name()): Use abi_tag when
new ABI is in use.
(locale::_S_twinned_facets): New static member.
(locale::facet::__shim): Declare new type.
(locale::_facet::_M_sso_shim, locale::_facet::_M_cow_shim): New
functions for creating shims.
(locale::_Impl::_M_facet_unchecked): New member function for use
during construction.
(locale::_Impl::_M_init_extra): New member functions to create second
version of some facets.
(collate, collate_byname): Use abi_tag when new ABI is in use.
* include/bits/locale_facets.h: Add _GLIBCXX_NUM_CXX11_FACETS macro.
(numpunct, numpunct_byname): Use __cxx11 namespace.
(num_get::_M_extract_float, num_get::_M_extract_int): Use abi_tag
when new ABI is in use.
(num_get::__do_get, num_put::__do_put): Do not declare long double
compat functions for new ABI.
* include/bits/locale_facets.tcc (num_get, num_put): Use abi_tag on
definitions.
(numpunct, numpunct_byname): Qualify explicit instantiations.
* include/bits/locale_facets_nonio.h (time_get, time_get_byname,
moneypunct, moneypunct_byname, money_get, money_put, messages,
messages_byname): Use new inline namespace macros.
(money_get::__do_get, money_put::__do_put): Do not declare long
double compat functions for new ABI.
* include/bits/locale_facets_nonio.tcc (money_get, money_put): Use
new namespace macros.
(money_get::__do_get, money_put::__do_put): Do not define for new ABI.
* include/bits/localefwd.h (numpunct, numpunct_byname, collate,
collate_byname, time_get, time_get_byname, moneypunct,
moneypunct_byname, money_get, money_put, messages, messages_byname):
Use new namespace macros.
* include/bits/regex.h: Use inline namespace macros.
* include/bits/stl_list.h (_List_base, list): Use inline namespace
instead of abi-tag.
* include/bits/stringfwd.h (basic_string): Use namespace macros.
* include/std/iosfwd (basic_stringbuf, basic_istringstream,
basic_ostringstream, basic_stringstream): Likewise.
* include/std/sstream: Likewise.
(basic_stringbuf::__xfer_bufptrs): Update streambuf pointers on move.
* include/std/stdexcept (__cow_string, __sso_string): New types for
indirectly using std::string with either ABI.
(logic_error, runtime_error): Replace std::string member with
__cow_string when new ABI is in use. Declare non-inline copy
constructor and assignment operator. Declare const char* constructors.
(domain_error, invalid_argument, length_error, out_of_range,
range_error, overflow_error, underflow_error): Declare const char*
constructors.
* include/std/system_error (error_category): Replace with new
definition in inline namespace _V2.
(error_code::message, error_condition::message): Use abi_tag on
functions returning std::string.
* python/libstdcxx/v6/printers.py (StdStringPrinter): Handle new ABI.
* src/c++11/Makefile.am: Add new files.
* src/c++11/Makefile.in: Regenerate.
* src/c++11/compatibility-c++0x.cc: Compile with old std::string ABI.
Define old error_category symbols.
* src/c++11/cow-fstream-inst.cc: New. Instantiate fstream members
using old std::string ABI.
* src/c++11/cow-locale_init.cc (locale::_Impl::_M_init_extra): Define.
* src/c++11/cow-shim_facets.cc: Define shim facets using old ABI.
* src/c++11/cow-sstream-inst.cc: Instantiate stringstreams using old
std::string ABI.
* src/c++11/cow-stdexcept.cc: Define new constructors and assignment
operators.
(__cow_string, error_category::_M_message): Define.
* src/c++11/cow-string-inst.cc: Explicit instantiations using old
std::string. Include src/c++98/istream-string.cc.
* src/c++11/cow-wstring-inst.cc: Explicit instantiations using old
std::wstring.
* src/c++11/cxx11-hash_tr1.cc: Explicit instantiations using new
string.
* src/c++11/cxx11-ios_failure.cc: Add sanity check.
* src/c++11/cxx11-locale-inst.cc: Instantiate facets using new
std::string.
* src/c++11/cxx11-shim_facets.cc: Define shim facets using new ABI.
* src/c++11/cxx11-stdexcept.cc: Define constructors taking new
std::string.
* src/c++11/cxx11-wlocale-inst.cc: Instantiate facets using
new std::wstring.
* src/c++11/fstream-inst.cc: Compile with new ABI.
* src/c++11/functexcept.cc: Compile with old ABI.
* src/c++11/random.cc: Compile with new ABI.
* src/c++11/sstream-inst.cc: Compile with new ABI.
* src/c++11/string-inst.cc: Explicit instantiations for new string.
* src/c++11/system_error.cc (__sso_string, error_category::_M_message):
Define.
* src/c++11/wstring-inst.cc: Compile with new ABI.
* src/c++98/Makefile.am: Compile some host files twice for old and
new std::string. Add new files.
* src/c++98/Makefile.in: Regenerate.
* src/c++98/compatibility-ldbl.cc: Compile with old ABI.
* src/c++98/compatibility.cc: Likewise.
* src/c++98/concept-inst.cc: Likewise.
* src/c++98/hash_tr1.cc: Likewise.
* src/c++98/istream-string.cc: New file defining functions that
work with istream and std::string moved from ...
* src/c++98/istream.cc: ... here.
* src/c++98/cow-istream-string.cc: Recompile istream-string.cc with
old ABI.
* src/c++98/locale-inst.cc: Adjust facet instantiations to work for
either ABI.
* src/c++98/locale.cc (locale::_M_install_facet,
locale::_M_install_cache): Handle twinned facets.
* src/c++98/locale-facets.cc: Compile with old std::string ABI.
(__verify_grouping): Define new overload and old std::string version.
* src/c++98/locale_init.cc: Initialize twinned facets.
* src/c++98/localename.cc: Likewise.
* src/c++98/misc-inst.cc: Instantiate C++98-only std::string members.
(__verify_grouping): Define new std::string version.
* src/c++98/stdexcept.cc: Compile with old std::string ABI.
* src/c++98/wlocale-inst.cc: Likewise.
* testsuite/18_support/50594.cc: Adjust to work with SSO strings.
* testsuite/21_strings/basic_string/capacity/1.cc: Likewise.
* testsuite/21_strings/basic_string/capacity/char/1.cc: Likewise.
* testsuite/21_strings/basic_string/capacity/char/18654.cc: Likewise.
* testsuite/21_strings/basic_string/capacity/char/2.cc: Likewise.
* testsuite/21_strings/basic_string/capacity/wchar_t/1.cc: Likewise.
* testsuite/21_strings/basic_string/capacity/wchar_t/18654.cc:
Likewise.
* testsuite/21_strings/headers/string/synopsis.cc: Use inline
namespace macros.
* testsuite/23_containers/headers/list/synopsis.cc: Likewise.
* testsuite/27_io/basic_ios/copyfmt/char/1.cc: Set dg-options so
correct exception type can be caught.
* testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
* testsuite/27_io/basic_istream/extractors_arithmetic/char/
exceptions_failbit.cc: Likewise.
* testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
exceptions_failbit.cc: Likewise.
* testsuite/27_io/basic_istream/extractors_other/char/
exceptions_null.cc: Likewise.
* testsuite/27_io/basic_istream/extractors_other/wchar_t/
exceptions_null.cc: Likewise.
* testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
* testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
* testsuite/27_io/basic_ostream/inserters_other/char/
exceptions_null.cc: Likewise.
* testsuite/27_io/basic_ostream/inserters_other/wchar_t/
exceptions_null.cc: Likewise.
* testsuite/27_io/ios_base/storage/2.cc: Likewise.
* testsuite/27_io/ios_base/failure/cxx11.cc: Disable for old ABI.
* testsuite/ext/profile/mutex_extensions_neg.cc: Adjust dg-error.
* testsuite/libstdc++-prettyprinters/libfundts.cc: Use old ABI.
* testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
* testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
* testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
* testsuite/util/exception/safety.h: Adjust member function types
for new std::string.
* testsuite/util/testsuite_abi.cc: Add new version and ignore
__float128 symbols in __cxx11 namespace.
From-SVN: r218964
N3778: Sized Deallocation
gcc/c-family/
* c.opt (-fsized-deallocation, -Wc++14-compat): New.
(-Wsized-deallocation): New.
* c-opts.c (c_common_post_options): -fsized-deallocation defaults
to on in C++14 and up.
gcc/cp/
* call.c (non_placement_deallocation_fn_p): A global sized
operator delete is not a usual deallocation function until C++14.
(build_op_delete_call): Choose the global sized op delete if we
know the size.
* cp-tree.h: Declare non_placement_deallocation_fn_p.
(enum cp_tree_index): Remove CPTI_GLOBAL_DELETE_FNDECL.
(global_delete_fndecl): Remove.
* decl.c (cxx_init_decl_processing): Also declare sized op deletes.
(grok_op_properties): Warn about sized dealloc without the flag.
* init.c (build_builtin_delete_call): Remove.
(build_vec_delete_1, build_delete): Don't call it.
* decl2.c (maybe_warn_sized_delete): New.
(cp_write_global_declarations): Call it.
libstdc++-v3/
* libsupc++/del_ops.cc: New.
* libsupc++/del_opvs.cc: New.
* libsupc++/Makefile.am: Add them.
* libsupc++/Makefile.in: Regenerate.
* config/abi/pre/gnu.ver: Export _ZdlPvm and _ZdaPvm.
From-SVN: r218755
* config/abi/pre/gnu.ver: Add new exports.
* include/std/condition_variable (notify_all_at_thread_exit): Declare.
(__at_thread_exit_elt): New base class.
* include/std/future: Add comments documenting the implementation.
(__future_base::_State_baseV2::_State_baseV2()): Use brace-or-equal
initializers and define constructor as defaulted.
(__future_base::_State_baseV2::_M_ready): Replace member function
with member variable.
(__future_base::_State_baseV2::_M_set_result): Set _M_ready.
(__future_base::_State_baseV2::_M_set_delayed_result): Define.
(__future_base::_State_baseV2::_M_break_promise): Set _M_ready.
(__future_base::_State_baseV2::_Make_ready): New helper class.
(__future_base::_Deferred_state::_M_has_deferred): Remove requirement
for caller to own mutex.
(__future_base::_Async_state_impl::~_Async_state_impl): Call join
directly.
(__future_base::_Task_state_base::_M_run): Take arguments by
reference.
(__future_base::_Task_state_base::_M_run_delayed): Declare new pure
virtual function.
(__future_base::_Task_state::_M_run_delayed): Define override.
(promise::set_value_at_thread_exit): Define.
(promise::set_exception_at_thread_exit): Define.
(packaged_task::make_ready_at_thread_exit): Define.
* src/c++11/condition_variable.cc (notify_all_at_thread_exit): Define.
* src/c++11/future.cc
(__future_base::_State_baseV2::_Make_ready::_M_set): Define.
* testsuite/30_threads/condition_variable/members/3.cc: New.
* testsuite/30_threads/packaged_task/members/at_thread_exit.cc: New.
* testsuite/30_threads/promise/members/at_thread_exit.cc: New.
From-SVN: r218255
PR libstdc++/61841
* include/std/thread (thread::_M_start_thread): Declare new overload.
(thread::thread<_Callable, _Args...>): Call new overload with an
explicit reference to pthread_create.
* src/c++11/thread.cc (thread::_M_start_thread): Add new overload.
* config/abi/pre/gnu.ver: Export new function.
From-SVN: r213922
2014-06-28 Paolo Carlini <paolo.carlini@oracle.com>
Revert:
2014-06-18 Paolo Carlini <paolo.carlini@oracle.com>
Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
PR libstdc++/61536
* config/abi/pre/gnu.ver: Adjust for out of line comparisons.
2014-06-08 Paolo Carlini <paolo.carlini@oracle.com>
* config/abi/pre/gnu.ver: Tighten some patterns; tidy.
From-SVN: r212104
2014-06-18 Paolo Carlini <paolo.carlini@oracle.com>
Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
PR libstdc++/61536
* config/abi/pre/gnu.ver: Adjust for out of line comparisons.
Co-Authored-By: Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
From-SVN: r211774
2014-04-22 Marc Glisse <marc.glisse@inria.fr>
PR libstdc++/43622
gcc/c-family/
* c-common.c (registered_builtin_types): Make non-static.
* c-common.h (registered_builtin_types): Declare.
gcc/cp/
* rtti.c (emit_support_tinfo_1): New function, extracted from
emit_support_tinfos.
(emit_support_tinfos): Call it and iterate on registered_builtin_types.
libstdc++-v3/
* config/abi/pre/gnu.ver (CXXABI_1.3.9): New version, new symbols.
* config/abi/pre/gnu-versioned-namespace.ver: New symbols.
* config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Likewise.
From-SVN: r209652
Jonathan Wakely
Pauli Nieminen
Jakub Jelinek
Jason Merrill
Gleb Natapov
Torvald Riegel
François Dumont
Ville Voutilainen
Rüdiger Sonderfeld
Jakub Jelinek
Paolo Carlini
Marc Glisse