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from 92f07eb4066 testsuite: XFAIL ssa-sink-18.c also on powerpc64 [PR111462] new d59175ef8ad libstdc++: Add more [[nodiscard]] to <stacktrace> new 3c1e624a926 libstdc++: Include <bits/stl_iterator.h> in <bits/alloc_traits.h> new 4da67f63b9e libstdc++: Fix std::print for Cygwin new 5c22de3fecb libstdc++: Test error handling in std::print new cf918498ab7 libstdc++: Consistently use noexcept, constexpr, nodiscard [...] new 2d8cd712b17 libstdc++: Add more nodiscard uses in <vector>

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Summary of changes: libstdc++-v3/include/bits/alloc_traits.h | 3 + libstdc++-v3/include/bits/atomic_base.h | 4 +- libstdc++-v3/include/bits/fs_fwd.h | 16 +++ libstdc++-v3/include/bits/ios_base.h | 89 +++++++----- libstdc++-v3/include/bits/regex_constants.h | 52 ++++--- libstdc++-v3/include/bits/stl_bvector.h | 4 +- libstdc++-v3/include/bits/stl_vector.h | 18 +-- libstdc++-v3/include/debug/vector | 8 +- libstdc++-v3/include/experimental/bits/fs_fwd.h | 12 ++ libstdc++-v3/include/std/charconv | 4 + libstdc++-v3/include/std/future | 7 + libstdc++-v3/include/std/ostream | 4 +- libstdc++-v3/include/std/print | 2 +- libstdc++-v3/include/std/stacktrace | 36 ++++- .../testsuite/23_containers/vector/nodiscard.cc | 153 +++++++++++++++++++++ .../testsuite/27_io/basic_ostream/print/1.cc | 37 ++++- .../27_io/filesystem/operations/bitmask_types.cc | 56 ++++++++ .../ios_base/types/fmtflags/bitmask_operators.cc | 4 + .../ios_base/types/iostate/bitmask_operators.cc | 4 + .../ios_base/types/openmode/bitmask_operators.cc | 4 + libstdc++-v3/testsuite/27_io/print/1.cc | 18 ++- 21 files changed, 455 insertions(+), 80 deletions(-) create mode 100644 libstdc++-v3/testsuite/23_containers/vector/nodiscard.cc create mode 100644 libstdc++-v3/testsuite/27_io/filesystem/operations/bitmask_types.cc