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from 907c84cb1d4 compiler: remove unused fields new 9fc61d45fa1 libstdc++: Implement C++20 time zone support in <chrono> new d33a250f708 libstdc++: Add GDB printers for <chrono> types new 9247402a29d libstdc++: Add helper function in <format> new f99b94865fa libstdc++: Add std::format support to <chrono> new ee4af2ed0b7 libstdc++: Avoid recursion in __nothrow_wait_cv::wait [PR105730]

The 5 revisions listed above as "new" are entirely new to this repository and will be described in separate emails. The revisions listed as "adds" were already present in the repository and have only been added to this reference.

Summary of changes: libstdc++-v3/acinclude.m4 | 27 + libstdc++-v3/config.h.in | 3 + libstdc++-v3/config/abi/pre/gnu.ver | 20 +- libstdc++-v3/configure | 43 +- libstdc++-v3/configure.ac | 3 + libstdc++-v3/include/Makefile.am | 1 + libstdc++-v3/include/Makefile.in | 1 + libstdc++-v3/include/bits/chrono_io.h | 2469 ++++++++++++++++++++ libstdc++-v3/include/std/chrono | 844 ++++--- libstdc++-v3/include/std/format | 75 +- libstdc++-v3/include/std/version | 2 + libstdc++-v3/python/libstdcxx/v6/printers.py | 265 ++- libstdc++-v3/src/c++11/compatibility-condvar.cc | 22 +- libstdc++-v3/src/c++20/Makefile.am | 2 +- libstdc++-v3/src/c++20/Makefile.in | 4 +- libstdc++-v3/src/c++20/tzdb.cc | 1804 ++++++++++++++ libstdc++-v3/testsuite/20_util/duration/io.cc | 48 + libstdc++-v3/testsuite/lib/libstdc++.exp | 14 + libstdc++-v3/testsuite/std/time/clock/file/io.cc | 23 + .../testsuite/std/time/clock/file/members.cc | 11 + libstdc++-v3/testsuite/std/time/clock/gps/1.cc | 18 + libstdc++-v3/testsuite/std/time/clock/gps/io.cc | 24 + libstdc++-v3/testsuite/std/time/clock/system/io.cc | 72 + libstdc++-v3/testsuite/std/time/clock/tai/1.cc | 18 + libstdc++-v3/testsuite/std/time/clock/tai/io.cc | 24 + libstdc++-v3/testsuite/std/time/clock/utc/io.cc | 120 + .../std/time/clock/utc/leap_second_info.cc | 80 + libstdc++-v3/testsuite/std/time/day/io.cc | 75 + libstdc++-v3/testsuite/std/time/exceptions.cc | 49 + libstdc++-v3/testsuite/std/time/format.cc | 117 + libstdc++-v3/testsuite/std/time/hh_mm_ss/io.cc | 46 + libstdc++-v3/testsuite/std/time/month/io.cc | 98 + libstdc++-v3/testsuite/std/time/syn_c++20.cc | 14 +- .../testsuite/std/time/time_zone/get_info_local.cc | 220 ++ .../testsuite/std/time/time_zone/get_info_sys.cc | 219 ++ .../testsuite/std/time/time_zone/requirements.cc | 25 + libstdc++-v3/testsuite/std/time/tzdb/1.cc | 56 + .../testsuite/std/time/tzdb/leap_seconds.cc | 76 + libstdc++-v3/testsuite/std/time/tzdb_list/1.cc | 123 + .../testsuite/std/time/tzdb_list/requirements.cc | 20 + libstdc++-v3/testsuite/std/time/weekday/io.cc | 101 + libstdc++-v3/testsuite/std/time/year/io.cc | 89 + .../testsuite/std/time/year_month_day/io.cc | 121 + libstdc++-v3/testsuite/std/time/zoned_time/1.cc | 255 ++ .../testsuite/std/time/zoned_time/custom.cc | 75 + .../testsuite/std/time/zoned_time/deduction.cc | 79 + .../testsuite/std/time/zoned_time/req_neg.cc | 9 + .../testsuite/std/time/zoned_time/requirements.cc | 27 + libstdc++-v3/testsuite/std/time/zoned_traits.cc | 39 + 49 files changed, 7627 insertions(+), 343 deletions(-) create mode 100644 libstdc++-v3/include/bits/chrono_io.h create mode 100644 libstdc++-v3/src/c++20/tzdb.cc create mode 100644 libstdc++-v3/testsuite/std/time/clock/file/io.cc create mode 100644 libstdc++-v3/testsuite/std/time/clock/gps/io.cc create mode 100644 libstdc++-v3/testsuite/std/time/clock/system/io.cc create mode 100644 libstdc++-v3/testsuite/std/time/clock/tai/io.cc create mode 100644 libstdc++-v3/testsuite/std/time/clock/utc/io.cc create mode 100644 libstdc++-v3/testsuite/std/time/clock/utc/leap_second_info.cc create mode 100644 libstdc++-v3/testsuite/std/time/day/io.cc create mode 100644 libstdc++-v3/testsuite/std/time/exceptions.cc create mode 100644 libstdc++-v3/testsuite/std/time/format.cc create mode 100644 libstdc++-v3/testsuite/std/time/hh_mm_ss/io.cc create mode 100644 libstdc++-v3/testsuite/std/time/month/io.cc create mode 100644 libstdc++-v3/testsuite/std/time/time_zone/get_info_local.cc create mode 100644 libstdc++-v3/testsuite/std/time/time_zone/get_info_sys.cc create mode 100644 libstdc++-v3/testsuite/std/time/time_zone/requirements.cc create mode 100644 libstdc++-v3/testsuite/std/time/tzdb/1.cc create mode 100644 libstdc++-v3/testsuite/std/time/tzdb/leap_seconds.cc create mode 100644 libstdc++-v3/testsuite/std/time/tzdb_list/1.cc create mode 100644 libstdc++-v3/testsuite/std/time/tzdb_list/requirements.cc create mode 100644 libstdc++-v3/testsuite/std/time/weekday/io.cc create mode 100644 libstdc++-v3/testsuite/std/time/year/io.cc create mode 100644 libstdc++-v3/testsuite/std/time/year_month_day/io.cc create mode 100644 libstdc++-v3/testsuite/std/time/zoned_time/1.cc create mode 100644 libstdc++-v3/testsuite/std/time/zoned_time/custom.cc create mode 100644 libstdc++-v3/testsuite/std/time/zoned_time/deduction.cc create mode 100644 libstdc++-v3/testsuite/std/time/zoned_time/req_neg.cc create mode 100644 libstdc++-v3/testsuite/std/time/zoned_time/requirements.cc create mode 100644 libstdc++-v3/testsuite/std/time/zoned_traits.cc