PR libstdc++/58982
* include/bits/stl_algobase.h (__copy_move::__copy_m): Use assertion
to prevent using memmove() on non-assignable types.
(__copy_move_backward::__copy_move_b): Likewise.
* include/bits/stl_uninitialized.h (uninitialized_copy
uninitialized_copy_n, uninitialized_fill, uninitialized_fill_n,
__uninitialized_default, __uninitialized_default_n): Check for
assignable as well as trivial.
* testsuite/20_util/specialized_algorithms/uninitialized_copy/
58982.cc: New.
* testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
58982.cc: New.
* testsuite/20_util/specialized_algorithms/uninitialized_fill/
58982.cc: New.
* testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
58982.cc: New.
* testsuite/25_algorithms/copy/58982.cc: New.
* testsuite/25_algorithms/copy_n/58982.cc: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@204615 138bc75d-0d04-0410-961f-82ee72b054a4