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2023-04-28libstdc++: Strip absolute paths from files shown in Doxygen docsJonathan Wakely1-1/+2
This avoids showing absolute paths from the expansion of @srcdir@/libsupc++/ in the doxygen File List view. libstdc++-v3/ChangeLog: * doc/doxygen/user.cfg.in (STRIP_FROM_PATH): Remove prefixes from header paths.
2023-04-27libstdc++: Remove obsolete options from Doxygen configJonathan Wakely1-40/+0
libstdc++-v3/ChangeLog: * doc/doxygen/user.cfg.in (FORMULA_TRANSPARENT, DOT_FONTNAME) (DOT_FONTSIZE, DOT_TRANSPARENT): Remove obsolete options.
2023-04-27libstdc++: Reduce Doxygen output for PDFJonathan Wakely1-1/+1
Including the header source code in the doxygen-generated PDF file makes it too large, and causes pdflatex to run out of memory. If we only set SOURCE_BROWSER=YES for the HTML docs then we won't include the sources in the PDF file. There are several macros defined for std::valarray that are only used to generate repetitive code and then #undef'd. Those aren't useful in the doxygen docs, especially the ones that reuse the same name in different files. Omitting them avoids warnings about duplicate labels in the refman.tex file. libstdc++-v3/ChangeLog: * doc/doxygen/user.cfg.in (SOURCE_BROWSER): Only set to YES for HTML docs. * include/bits/gslice_array.h (_DEFINE_VALARRAY_OPERATOR): Omit from doxygen docs. * include/bits/indirect_array.h (_DEFINE_VALARRAY_OPERATOR): Likewise. * include/bits/mask_array.h (_DEFINE_VALARRAY_OPERATOR): Likewise. * include/bits/slice_array.h (_DEFINE_VALARRAY_OPERATOR): Likewise. * include/std/valarray (_DEFINE_VALARRAY_UNARY_OPERATOR) (_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT) (_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT) (_DEFINE_BINARY_OPERATOR): Likewise.
2023-04-19libstdc++: Adjust uses of null pointer constants in docsJonathan Wakely2-10/+6
libstdc++-v3/ChangeLog: * doc/xml/manual/extensions.xml: Fix example to declare and qualify std::free, and use NULL instead of 0. * doc/html/manual/ext_demangling.html: Regenerate. * libsupc++/cxxabi.h: Adjust doxygen comments.
2023-04-12libstdc++: Document libstdc++exp.a library for -fcontractsJonathan Wakely3-8/+39
libstdc++-v3/ChangeLog: * doc/xml/manual/using.xml: Document libstdc++exp.a library. * doc/html/*: Regenerate.
2023-04-04libstdc++: Fix outdated docs about demangling exception messagesJonathan Wakely2-22/+4
The string returned by std::bad_exception::what() hasn't been a mangled name since PR libstdc++/14493 was fixed for GCC 4.2.0, so remove the docs showing how to demangle it. libstdc++-v3/ChangeLog: * doc/xml/manual/extensions.xml: Remove std::bad_exception from example program. * doc/html/manual/ext_demangling.html: Regenerate.
2023-03-13libstdc++: Refer to documentation hacking docs from MakefileJonathan Wakely2-0/+4
libstdc++-v3/ChangeLog: * doc/Makefile.am: Add comment referring to documentation. * doc/Makefile.in: Regenerate.
2023-03-13libstdc++: Regenerate HTML docsJonathan Wakely3-3/+3
libstdc++-v3/ChangeLog: * doc/html/*: Regenerate.
2023-03-13libstdc++: Update copyright year in FAQJonny Grant1-1/+1
libstdc++-v3/ChangeLog: * doc/xml/faq.xml: Update copyright year.
2023-03-12libstdc++: Move www.graphviz.org to httpsGerald Pfeifer2-2/+2
libstdc++-v3/ChangeLog: * doc/xml/manual/documentation_hacking.xml: Move www.graphviz.org to https. * doc/html/manual/documentation_hacking.html: Regenerate.
2023-02-18libstdc++: Switch two links to www.open-std.org to httpsGerald Pfeifer2-4/+4
libstdc++-v3/ChangeLog: * doc/xml/faq.xml: Switch two links to www.open-std.org to https. * doc/html/faq.html: Regenerate.
2023-02-14libstdc++: Update an open-std.org linkGerald Pfeifer2-2/+2
libstdc++-v3/ChangeLog: * doc/xml/manual/status_cxx2017.xml: Update an open-std.org link to www.open-std.org and https. * doc/html/manual/status.html: Regenerate.
2023-02-13libstdc++: Adjust "The Component Object Model" referenceGerald Pfeifer2-3/+3
libstdc++-v3/ChangeLog: * doc/xml/manual/policy_data_structures_biblio.xml: Adjust "The Component Object Model" reference. * doc/html/manual/policy_data_structures.html: Regenerate.
2023-02-12libstdc++: Tweak link to N1780 (C++ standard)Gerald Pfeifer2-2/+2
libstdc++-v3/ChangeLog: * doc/xml/manual/containers.xml: Tweak a link to N1780 (C++ standard). * doc/html/manual/associative.html: Regenerate.
2023-02-12libstdc++: Change www.unix.org to unix.orgGerald Pfeifer2-3/+3
www.unix.org now redirects to unix.org. libstdc++-v3/ChangeLog: * doc/xml/manual/ctype.xml: Change www.unix.org to unix.org. * doc/html/manual/facets.html: Regenerate.
2023-02-11libstdc++: Update link to "Worst-case efficient priority queues"Gerald Pfeifer2-2/+2
libstdc++-v3/ChangeLog: * doc/xml/manual/policy_data_structures_biblio.xml: Update link to "Worst-case efficient priority queues". * doc/html/manual/policy_data_structures.html: Regenerate.
2023-02-06libstdc++: Document P1642 and extensionsArsen Arsenović13-22/+152
libstdc++-v3/ChangeLog: * doc/xml/manual/using.xml: Document newly-freestanding headers and the effect of the -ffreestanding flag. * doc/xml/manual/status_cxx2023.xml: Document P1642R11 as completed. * doc/xml/manual/configure.xml: Document that hosted installs respect __STDC_HOSTED__. * doc/xml/manual/test.xml: Document how to run tests in freestanding mode. * doc/html/*: Regenerate.
2023-02-06libstdc++: Implement P1413R3 'deprecate aligned_storage and aligned_union'Nathaniel Shead1-0/+2
Adds deprecated attributes for C++23, and makes use of it for std::aligned_storage, std::aligned_storage_t, std::aligned_union, and std::aligned_union_t. libstdc++-v3/ChangeLog: * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros. * include/bits/c++config (_GLIBCXX23_DEPRECATED) (_GLIBCXX23_DEPRECATED_SUGGEST): New macros. * include/std/type_traits (aligned_storage, aligned_union) (aligned_storage_t, aligned_union_t): Deprecate for C++23. * testsuite/20_util/aligned_storage/deprecated-2b.cc: New test. * testsuite/20_util/aligned_union/deprecated-2b.cc: New test. Signed-off-by: Nathaniel Shead <nathanieloshead@gmail.com> Reviewed-by: Jonathan Wakely <jwakely@redhat.com>
2023-02-06libstdc++: Normalise _GLIBCXX20_DEPRECATED macroNathaniel Shead1-2/+2
Updates _GLIBCXX20_DEPRECATED to be defined and behave the same as the versions for other standards (e.g. _GLIBCXX17_DEPRECATED). libstdc++-v3/ChangeLog: * doc/doxygen/user.cfg.in (PREDEFINED): Update macros. * include/bits/c++config (_GLIBCXX20_DEPRECATED): Make consistent with other 'deprecated' macros. * include/std/type_traits (is_pod, is_pod_v): Use _GLIBCXX20_DEPRECATED_SUGGEST instead. Signed-off-by: Nathaniel Shead <nathanieloshead@gmail.com> Reviewed-by: Jonathan Wakely <jwakely@redhat.com>
2023-02-04libstdc++: Adjust link to pdftexGerald Pfeifer2-3/+3
libstdc++-v3/ChangeLog: * doc/xml/manual/documentation_hacking.xml: Adjust link to pdftex. * doc/html/manual/documentation_hacking.html: Regenerate.
2023-02-02libstdc++: Tweak link to ABIcheck projectGerald Pfeifer2-2/+2
libstdc++-v3/ChangeLog: * doc/xml/manual/abi.xml: Tweak link to ABIcheck project. * doc/html/manual/abi.html: Regenerate.
2023-02-02libstdc++: Switch a www.open-std.org link to httpsGerald Pfeifer2-2/+2
libstdc++-v3/ChangeLog: * doc/xml/manual/using_exceptions.xml: Update a www.open-std.org link to https. * doc/html/manual/using_exceptions.html: Regenerate.
2023-02-02libstdc++: Fix link to online GDB manualGerald Pfeifer2-2/+2
libstdc++-v3/ChangeLog: * doc/xml/manual/debug.xml: Fix link to online GDB manual. * doc/html/manual/debug.html: Regenerate.
2023-01-30libstdc++: Update links in the Memory section of the manualGerald Pfeifer2-7/+7
libstdc++-v3/ChangeLog: * doc/xml/manual/shared_ptr.xml: Move links from both http://open-std.org and http://www.open-std.org to https://www.open-std.org. * doc/html/manual/memory.html: Regenerate.
2023-01-28libstdc++: Update links in the "Contributing" manualGerald Pfeifer2-4/+4
libstdc++-v3/ChangeLog: * doc/xml/manual/appendix_contributing.xml: Adjust link to ISO C++ standard at ANSI. Move link to www.open-std.org to https. * doc/html/manual/appendix_contributing.html: Regenerate.
2023-01-28libstdc++: Move sourceforge.net links to httpsGerald Pfeifer2-4/+4
libstdc++-v3/ChangeLog: * doc/xml/manual/documentation_hacking.xml: Move sourceforge.net links to https. * doc/html/manual/documentation_hacking.html: Regenerate.
2023-01-28libstdc++: Switch www.open-std.org to https (ABI manual)Gerald Pfeifer2-4/+4
libstdc++-v3/ChangeLog: * doc/xml/manual/abi.xml: Update www.open-std.org link to https. * doc/html/manual/abi.html: Regenerate.
2023-01-26libstdc++: Move www.open-std.org to https in bugs manualGerald Pfeifer2-160/+160
libstdc++-v3/ChangeLog: * doc/xml/manual/intro.xml: Update links to www.open-std.org to use https. * doc/html/manual/bugs.html: Regenerate.
2023-01-18libstdc++: Minor updates to Policy Based Data Structures: BiblioGerald Pfeifer2-7/+7
libstdc++-v3/ChangeLog: 2023-01-18 Gerald Pfeifer <gerald@pfeifer.com> * doc/xml/manual/policy_data_structures_biblio.xml: Adjust links to www.open-std.org to use https. (COM: Component Model Object Technologies): Rename from... (The Component Object Model): ...to. * doc/html/manual/policy_data_structures.html: Regenerate.
2023-01-16Update copyright years.Jakub Jelinek3-3/+3
2023-01-15libstdc++: Move www.open-std.org in status part of manual to httpsGerald Pfeifer5-506/+506
libstdc++-v3/ChangeLog: 2023-01-15 Gerald Pfeifer <gerald@pfeifer.com> * doc/xml/manual/status_cxx2014.xml: Switch www.open-std.org to https. * doc/xml/manual/status_cxx2017.xml: Ditto. * doc/xml/manual/status_cxx2020.xml: Ditto. * doc/xml/manual/status_cxx2023.xml: Ditto. * doc/html/manual/status.html: Regenerate.
2023-01-14libstdc++: Embed a static copy of tzdata.ziJonathan Wakely2-0/+48
This adds a copy of the tzdata.zi file to the library, and allows configuring to use it instead of a copy read from disk at runtime. The content of the file is in the public domain, but will need to be updated to the latest upstream file before making GCC releases. libstdc++-v3/ChangeLog: * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Replace the --with-libstdcxx-zoneinfo-dir configure option with --with-libstdcxx-zoneinfo with yes/no/static choices as well as a directory. * config.h.in: Regenerate. * configure: Regenerate. * doc/xml/manual/configure.xml: Document configure option. * doc/html/manual/configure.html: Regenerate. * src/c++20/Makefile.am: Generate tzdata.zi.h header. * src/c++20/Makefile.in: Regenerate. * src/c++20/tzdb.cc (__gnu_cxx::zoneinfo_dir_override): Return a null pointer if no directory is configured. (zoneinfo_dir): Replace with ... (zoneinfo_file): New function. (tzdata_stream): New istream class. (remote_version, reload_tzdb): Use tzdata_stream. * testsuite/lib/libstdc++.exp (check_effective_target_tzdb): Check new _GLIBCXX_STATIC_TZDATA macro and ignore presence of tzdata.zi file in default location. * src/c++20/tzdata.zi: New file.
2023-01-12libstdc++: Update shared library version history in manualJonathan Wakely2-3/+5
libstdc++-v3/ChangeLog: * doc/xml/manual/abi.xml: Add latest library versions. * doc/html/manual/abi.html: Regenerate.
2022-11-25libstdc++: Change return type of std::bit_width to int (LWG 3656)Jonathan Wakely2-0/+11
libstdc++-v3/ChangeLog: * doc/html/manual/bugs.html: Regenerate. * doc/xml/manual/intro.xml: Document LWG 3656 change. * include/std/bit (__bit_width, bit_width): Return int. * testsuite/26_numerics/bit/bit.pow.two/lwg3656.cc: New test.
2022-11-15libstdc++: Document use of Markdown for Doxygen commentsJonathan Wakely2-15/+34
libstdc++-v3/ChangeLog: * doc/xml/manual/documentation_hacking.xml: Document use of Markdown for Doxygen comments. Tweak formatting. * doc/html/manual/documentation_hacking.html: Regenerate.
2022-11-08libstdc++: Update my author blurb in the manualJonathan Wakely1-1/+4
libstdc++-v3/ChangeLog: * doc/xml/authors.xml: Update the blurb listing my doc contributions.
2022-11-08libstdc++: Remove empty <author> elements in manualJonathan Wakely3-15/+5
This fixes a spurious comma before the list of authors in the PDF version of the libstdc++ manual. Also fix the commented-out examples which should show <personblurb> not <authorblurb>. libstdc++-v3/ChangeLog: * doc/xml/authors.xml: Remove empty author element. * doc/xml/manual/spine.xml: Likewise. * doc/html/manual/index.html: Regenerate.
2022-10-29libstdc++: Don't use gstdint.h anymoreArsen Arsenović1-1/+0
libstdc++-v3/ChangeLog: * configure.ac: Stop generating gstdint.h. * src/c++11/compatibility-atomic-c++0x.cc: Stop using gstdint.h. * Makefile.in: Regenerate. * aclocal.m4: Regenerate. * config.h.in: Regenerate. * configure: Regenerate. * doc/Makefile.in: Regenerate. * include/Makefile.in: Regenerate. * libsupc++/Makefile.in: Regenerate. * po/Makefile.in: Regenerate. * python/Makefile.in: Regenerate. * src/Makefile.in: Regenerate. * src/c++11/Makefile.in: Regenerate. * src/c++17/Makefile.in: Regenerate. * src/c++20/Makefile.in: Regenerate. * src/c++98/Makefile.in: Regenerate. * src/filesystem/Makefile.in: Regenerate. * src/libbacktrace/Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate.
2022-10-11libstdc++: Allow emergency EH alloc pool size to be tuned [PR68606]Jonathan Wakely13-18/+211
Implement a long-standing request to support tuning the size of the emergency buffer for allocating exceptions after malloc fails, or to disable that buffer entirely. It's now possible to disable the dynamic allocation of the buffer and use a fixed-size static buffer, via --enable-libstdcxx-static-eh-pool. This is a built-time choice that is baked into libstdc++ and so affects all code linked against that build of libstdc++. The size of the pool can be set by --with-libstdcxx-eh-pool-obj-count=N which is measured in units of sizeof(void*) not bytes. A given exception type such as std::system_error depends on the target, so giving a size in bytes wouldn't be portable across 16/32/64-bit targets. When libstdc++ is configured to use a dynamic buffer, the size of that buffer can now be tuned at runtime by setting the GLIBCXX_TUNABLES environment variable (c.f. PR libstdc++/88264). The number of exceptions to reserve space for is controlled by the "glibcxx.eh_pool.obj_count" and "glibcxx.eh_pool.obj_size" tunables. The pool will be sized to be able to allocate obj_count exceptions of size obj_size*sizeof(void*) and obj_count "dependent" exceptions rethrown by std::rethrow_exception. With the ability to tune the buffer size, we can reduce the default pool size on 32-bit and 16-bit targets. Most users never need to throw 1kB exceptions in parallel from hundreds of threads after malloc is OOM. The users who do need that can use the tunables to select larger sizes. The old defaults can be chosen at runtime by setting GLIBCXX_TUNABLES to: 64-bit: glibcxx.eh_pool.obj_count=64:glibcxx.eh_pool.obj_size=112 32-bit: glibcxx.eh_pool.obj_count=32:glibcxx.eh_pool.obj_size=104 Or approximated by configuring with: 64-bit: --with-libstdcxx-eh-pool-obj-count=252 32-bit: --with-libstdcxx-eh-pool-obj-count=94 libstdc++-v3/ChangeLog: PR libstdc++/68606 * Makefile.in: Regenerate. * acinclude.m4 (GLIBCXX_EMERGENCY_EH_ALLOC): New macro. * configure: Regenerate. * configure.ac: Use GLIBCXX_EMERGENCY_EH_ALLOC. * crossconfig.m4: Check for secure_getenv. * doc/Makefile.in: Regenerate. * doc/xml/manual/configure.xml: Document new configure options. * doc/xml/manual/evolution.xml: Document addition of tunables. * doc/xml/manual/using_exceptions.xml: Document emergency buffer and tunables. * doc/html/*: Regenerate. * include/Makefile.in: Regenerate. * libsupc++/Makefile.am: Use EH_POOL_FLAGS. * libsupc++/Makefile.in: Regenerate. * libsupc++/eh_alloc.cc (EMERGENCY_OBJ_SIZE): Define in units of sizeof(void*) not including the ABI's exception header. (EMERGENCY_OBJ_COUNT): Define as target-independent calculation based on word size. (MAX_OBJ_COUNT): Define macro for upper limit on pool size. (pool) [_GLIBCXX_EH_POOL_STATIC]: Use fixed-size buffer. (pool::buffer_size_in_bytes): New static member function. (pool::pool): Parse GLIBCXX_TUNABLES environment variable to set pool size at runtime. (pool::in_pool): Use std::less<void*> for total order. (__freeres) [_GLIBCXX_EH_POOL_STATIC]: Do nothing. (__cxa_free_exception, __cxa_free_dependent_exception): Add [[unlikely]] attributes. * po/Makefile.in: Regenerate. * python/Makefile.in: Regenerate. * src/Makefile.in: Regenerate. * src/c++11/Makefile.in: Regenerate. * src/c++17/Makefile.in: Regenerate. * src/c++20/Makefile.in: Regenerate. * src/c++98/Makefile.in: Regenerate. * src/filesystem/Makefile.in: Regenerate. * src/libbacktrace/Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate.
2022-10-07libstdc++: Use bold style for DR titles in the manualJonathan Wakely2-397/+390
This matches how the issues are styled in the LWG issues list, and also allows us to use italics for "cv" (e.g. in issue 2487). libstdc++-v3/ChangeLog: * doc/xml/manual/intro.xml: Add role="bold" attribute to emphasis elements for issue titles. * doc/html/manual/bugs.html: Regenerate.
2022-10-03libstdc++: Update status docs for compare_exchange padding bitsJonathan Wakely2-6/+18
libstdc++-v3/ChangeLog: * doc/xml/manual/status_cxx2020.xml: Update C++20 status. * doc/html/manual/status.html: Regenerate.
2022-09-29libstdc++: Disable volatile-qualified std::bind for C++20Jonathan Wakely10-8/+43
LWG 2487 added a precondition to std::bind for C++17, making volatile-qualified uses undefined. We still support it, but with a deprecated warning. P1065R2 made it explicitly ill-formed for C++20, so we should no longer accept it as deprecated. This implements that change. libstdc++-v3/ChangeLog: * doc/xml/manual/evolution.xml: Document std::bind API changes. * doc/xml/manual/intro.xml: Document LWG 2487 status. * doc/xml/manual/using.xml: Clarify default value of _GLIBCXX_USE_DEPRECATED. * doc/html/*: Regenerate. * include/std/functional (_Bind::operator()(Args&&...) volatile) (_Bind::operator()(Args&&...) const volatile) (_Bind_result::operator()(Args&&...) volatile) (_Bind_result::operator()(Args&&...) const volatile): Replace with deleted overload for C++20 and later. * testsuite/20_util/bind/cv_quals.cc: Check for deprecated warnings in C++17. * testsuite/20_util/bind/cv_quals_2.cc: Likewise, and check for ill-formed in C++20.
2022-09-21libstdc++: Remove trailing whitespace in documentation sourcesJonathan Wakely2-8/+8
libstdc++-v3/ChangeLog: * doc/xml/manual/documentation_hacking.xml: Remove trailing whitespace. * doc/xml/manual/policy_data_structures.xml: Likewise.
2022-09-16libstdc++: Fix Doxygen commandsJonathan Wakely1-1/+0
Remove the bogus -D__allocator_base=std::__new_allocator macro definition for Doxygen, because that's an alias template for C++11 and later, not a macro. Fix the @cond/@endcond pair that span the end of an @addtogroup group. Add another @endcond inside the group, and another @cond after it. libstdc++-v3/ChangeLog: * doc/doxygen/user.cfg.in (PREDEFINED): Remove __allocator_base. * include/bits/allocator.h: Fix nesting of Doxygen commands.
2022-09-16libstdc++: Document new libstdc++.so symbol versionsJonathan Wakely2-1/+3
libstdc++-v3/ChangeLog: * doc/xml/manual/abi.xml: Document GLIBCXX_3.4.30 and GLIBCXX_3.4.31 versions. * doc/html/manual/abi.html: Regenerate.
2022-09-14libstdc++: Document LWG 1203 API change in manualJonathan Wakely4-1/+20
libstdc++-v3/ChangeLog: * doc/xml/manual/intro.xml: Document LWG 1203. * doc/html/*: Regenerate.
2022-08-31libstdc++: [_GLIBCXX_DEBUG] Add backtrace generation on demandFrançois Dumont2-0/+16
Add _GLIBCXX_DEBUG_BACKTRACE macro to activate backtrace generation on _GLIBCXX_DEBUG assertions. Prerequisite is to have configure the lib with: --enable-libstdcxx-backtrace=yes libstdc++-v3/ChangeLog: * include/debug/formatter.h [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_state): Declare. [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_create_state): Declare. [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_full_callback): Define. [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_error_callback): Define. [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_full_func): Define. [_GLIBCXX_HAVE_STACKTRACE](__glibcxx_backtrace_full): Declare. [_GLIBCXX_HAVE_STACKTRACE](_Error_formatter::_M_backtrace_state): New. [_GLIBCXX_HAVE_STACKTRACE](_Error_formatter::_M_backtrace_full): New. * src/c++11/debug.cc [_GLIBCXX_HAVE_STACKTRACE](print_backtrace): New. (_Error_formatter::_M_error()): Adapt. * src/libbacktrace/Makefile.am: Add backtrace.c. * src/libbacktrace/Makefile.in: Regenerate. * src/libbacktrace/backtrace-rename.h (backtrace_full): New. * testsuite/23_containers/vector/debug/assign4_backtrace_neg.cc: New test. * doc/xml/manual/debug_mode.xml: Document _GLIBCXX_DEBUG_BACKTRACE. * doc/xml/manual/using.xml: Likewise.
2022-08-22libstdc++: Document linker option for C++23 <stacktrace> [PR105678]Jonathan Wakely4-7/+35
libstdc++-v3/ChangeLog: PR libstdc++/105678 * doc/xml/manual/using.xml: Document -lstdc++_libbacktrace requirement for using std::stacktrace. Also adjust -frtti and -fexceptions to document non-default (i.e. negative) forms. * doc/html/*: Regenerate.
2022-05-16libstdc++: Fix hyperlink in docsJonathan Wakely2-2/+3
libstdc++-v3/ChangeLog: * doc/xml/manual/prerequisites.xml: Fix attributes for external hyperlink. * doc/html/manual/setup.html: Regenerate.
2022-05-16libstdc++: Update C++23 status docsJonathan Wakely2-5/+468
These are the C++23 proposals supported in the gcc-12 branch. libstdc++-v3/ChangeLog: * doc/xml/manual/status_cxx2023.xml: Update with gcc-12 support. * doc/html/*: Regenerate.
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