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unknown user pushed a change to branch gcc-7-branch in repository gcc.

from de933300846 Daily bump. new d93fa9bed39 PR libstdc++/81338 correctly manage string capacity new 941df8edb71 PR libstdc++/81599 fix typo in Doxygen comments new 270ae11f102 PR libstdc++/81891 fix double-free in hashtable constructor new c9b1fc3594d Fix test for __is_aggregate support in Clang new b744d6f64e5 Fix test for __has_unique_object_representations support in Clang new a578aa818aa PR libstdc++/81912 make std::__iterator_category constexpr new 0a1b919ee76 PR c++/82039 suppress -Wzero-as-null-pointer-constant warning

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Summary of changes: libstdc++-v3/ChangeLog | 62 ++++++++++++++++++++++ libstdc++-v3/include/bits/basic_string.h | 5 +- libstdc++-v3/include/bits/hashtable.h | 13 +---- libstdc++-v3/include/bits/sstream.tcc | 19 +++++++ .../include/bits/stl_iterator_base_types.h | 3 +- libstdc++-v3/include/bits/stl_stack.h | 2 +- libstdc++-v3/include/ext/new_allocator.h | 2 +- libstdc++-v3/include/std/sstream | 21 ++++++-- libstdc++-v3/include/std/type_traits | 18 ++++--- .../unordered_map/cons/81891.cc} | 50 +++++++++-------- .../testsuite/24_iterators/container_access.cc | 3 +- .../testsuite/24_iterators/range_access.cc | 2 +- .../testsuite/24_iterators/range_access_cpp14.cc | 2 +- .../testsuite/24_iterators/range_access_cpp17.cc | 57 ++++++++++++++++++++ .../basic_stringstream/assign/81338.cc} | 19 +++---- 15 files changed, 217 insertions(+), 61 deletions(-) copy libstdc++-v3/testsuite/{22_locale/codecvt/codecvt_utf8_utf16/79511.cc => 23_c [...] create mode 100644 libstdc++-v3/testsuite/24_iterators/range_access_cpp17.cc copy libstdc++-v3/testsuite/{23_containers/queue/77528.cc => 27_io/basic_stringstr [...]