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| author | redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-11-09 12:38:00 +0000 |
|---|---|---|
| committer | redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-11-09 12:38:00 +0000 |
| commit | b06ebed55304d3344917a8b249cab1955a9e7d23 (patch) | |
| tree | 02a44fb906ee33f23c3474e42a2d8281b25b50ed /libstdc++-v3/include/bits/stl_algobase.h | |
| parent | 5f35dd0e122d3aa3cccd4a32c912c25f60064ee6 (diff) | |
| download | ppe42-gcc-b06ebed55304d3344917a8b249cab1955a9e7d23.tar.gz ppe42-gcc-b06ebed55304d3344917a8b249cab1955a9e7d23.zip | |
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
Diffstat (limited to 'libstdc++-v3/include/bits/stl_algobase.h')
| -rw-r--r-- | libstdc++-v3/include/bits/stl_algobase.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libstdc++-v3/include/bits/stl_algobase.h b/libstdc++-v3/include/bits/stl_algobase.h index a7432da150c..5c7db5b8269 100644 --- a/libstdc++-v3/include/bits/stl_algobase.h +++ b/libstdc++-v3/include/bits/stl_algobase.h @@ -368,6 +368,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION static _Tp* __copy_m(const _Tp* __first, const _Tp* __last, _Tp* __result) { +#if __cplusplus >= 201103L + // trivial types can have deleted assignment + static_assert( is_copy_assignable<_Tp>::value, + "type is not assignable" ); +#endif const ptrdiff_t _Num = __last - __first; if (_Num) __builtin_memmove(__result, __first, sizeof(_Tp) * _Num); @@ -563,6 +568,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION static _Tp* __copy_move_b(const _Tp* __first, const _Tp* __last, _Tp* __result) { +#if __cplusplus >= 201103L + // trivial types can have deleted assignment + static_assert( is_copy_assignable<_Tp>::value, + "type is not assignable" ); +#endif const ptrdiff_t _Num = __last - __first; if (_Num) __builtin_memmove(__result - _Num, __first, sizeof(_Tp) * _Num); |
