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unknown user pushed a change to branch releases/gcc-10 in repository gcc.

from 0fd8e3ac9db arm: Fix the mve multilib for the broken cmse support (pr99939). new 36d6e7fe997 libstdc++: Reject std::make_shared<T[]> [PR 99006] new 8ad4d9b4694 libstdc++: Do not use deduced return type for std::visit [P [...] new e50a64c9831 libstdc++: Fix undefined behaviour in testsuite new 94712f96ec4 libstdc++: Fix null dereference in pb_ds containers new 44985f6ba5d libstdc++: Fix undefined behaviour in std::string new 98efaa7ea4d libstdc++: Fix null dereferences in std::promise

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Summary of changes: libstdc++-v3/include/bits/basic_string.h | 7 ++- libstdc++-v3/include/bits/shared_ptr.h | 2 + libstdc++-v3/include/bits/shared_ptr_base.h | 2 + .../pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp | 26 +++++---- libstdc++-v3/include/std/future | 64 +++++++++++++++------- libstdc++-v3/include/std/variant | 28 ++++++++-- libstdc++-v3/testsuite/20_util/from_chars/3.cc | 2 +- .../testsuite/20_util/shared_ptr/creation/99006.cc | 9 +++ libstdc++-v3/testsuite/20_util/variant/100384.cc | 9 +++ .../testsuite/24_iterators/reverse_iterator/2.cc | 8 +-- .../copy_backward/move_iterators/69478.cc | 2 +- .../testsuite/25_algorithms/move_backward/69478.cc | 2 +- .../testsuite/25_algorithms/move_backward/93872.cc | 2 +- .../30_threads/promise/members/at_thread_exit2.cc | 1 - 14 files changed, 120 insertions(+), 44 deletions(-) create mode 100644 libstdc++-v3/testsuite/20_util/shared_ptr/creation/99006.cc create mode 100644 libstdc++-v3/testsuite/20_util/variant/100384.cc