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[PATCH] Use __builtin_memmove for trivially copy assignable types


Use __builtin_memmove for trivially copy assignable types

2018-06-14  Glen Joseph Fernandes  <glenjofe@gmail.com>

        * include/bits/stl_algobase.h
        (__is_simple_copy_move): Defined helper.
        (__copy_move_a): Used helper.
        (__copy_move_backward_a): Likewise.
        * testsuite/25_algorithms/copy/58982.cc: Updated tests.
        * testsuite/25_algorithms/copy_n/58982.cc: Likewise.

Tested x86_64-pc-linux-gnu.

Glen

Attachment: patch.txt
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