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from c93baa93df2 libstdc++: Refactor implementation of operator+ for std::string new 3f1519eef5c libstdc++: basic_filebuf: don't flush more often than neces [...] new 9d549401ae8 libstdc++: Add always_inline to most allocator functions new 8f6d25f19ba libstdc++: Fix -Wsystem-headers warnings new bbcb84bba0a libstdc++: Fix -Wsystem-headers warnings in tests

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Summary of changes: libstdc++-v3/include/bits/alloc_traits.h | 40 +++++++++++++++++----- libstdc++-v3/include/bits/allocator.h | 13 +++++-- libstdc++-v3/include/bits/fstream.tcc | 9 ++--- libstdc++-v3/include/bits/new_allocator.h | 13 +++++-- libstdc++-v3/include/bits/stl_tempbuf.h | 3 ++ libstdc++-v3/include/ext/alloc_traits.h | 21 ++++++++++-- libstdc++-v3/include/ext/functional | 4 +-- libstdc++-v3/include/std/array | 4 +-- libstdc++-v3/include/std/spanstream | 3 +- libstdc++-v3/libsupc++/exception_ptr.h | 2 +- libstdc++-v3/testsuite/18_support/new_nothrow.cc | 14 +++++--- libstdc++-v3/testsuite/20_util/any/cons/92156.cc | 1 + .../testsuite/20_util/any/modifiers/92156.cc | 1 + .../testsuite/20_util/default_delete/void_neg.cc | 3 ++ .../testsuite/20_util/headers/memory/synopsis.cc | 2 +- .../testsuite/20_util/shared_ptr/cons/void_neg.cc | 2 ++ .../20_util/unique_ptr/creation/for_overwrite.cc | 4 +-- .../21_strings/basic_string/cons/char/103919.cc | 4 +-- .../23_containers/map/modifiers/emplace/92300.cc | 4 +-- .../23_containers/map/modifiers/insert/92300.cc | 4 +-- .../headers/iterator/range_access_c++11.cc | 4 +-- .../headers/iterator/range_access_c++14.cc | 12 +++---- .../headers/iterator/range_access_c++17.cc | 12 +++---- .../27_io/basic_filebuf/sputn/char/63746.cc | 38 ++++++++++++++++++++ 24 files changed, 163 insertions(+), 54 deletions(-) create mode 100644 libstdc++-v3/testsuite/27_io/basic_filebuf/sputn/char/63746.cc