PR c++/65046
Automatically propagate ABI tags to variables and functions
from their (return) type.
* class.c (check_tag): Handle variables and functions.
(mark_or_check_attr_tags): Split out from find_abi_tags_r.
(mark_or_check_tags): Likewise.
(mark_abi_tags): Use it. Rename from mark_type_abi_tags.
(check_abi_tags): Add single argument overload for decls.
Handle inheriting tags for decls.
* mangle.c (write_mangled_name): Call it.
(mangle_return_type_p): Split out from write_encoding.
(unmangled_name_p): Split out from write_mangled_name.
(write_mangled_name): Ignore abi_tag on namespace.
* cp-tree.h (NAMESPACE_IS_INLINE): Replace NAMESPACE_ABI_TAG.
* parser.c (cp_parser_namespace_definition): Set it.
* name-lookup.c (handle_namespace_attrs): Use arguments. Warn
about abi_tag attribute on non-inline namespace.
* tree.c (check_abi_tag_args): Split out from handle_abi_tag_attribute.
(handle_abi_tag_attribute): Allow tags on variables.
From-SVN: r221521
* 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
Jakub Jelinek