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| author | Marc Glisse <marc.glisse@inria.fr> | 2018-10-25 15:03:13 +0200 |
|---|---|---|
| committer | Marc Glisse <glisse@gcc.gnu.org> | 2018-10-25 13:03:13 +0000 |
| commit | 0f317ef76269a989ae751a808f946d15b740baf9 (patch) | |
| tree | 9da28f80357d64a8e89cdd7f85a670e3161265a4 /libstdc++-v3/include/ext/malloc_allocator.h | |
| parent | 09d3f04eaea862476be3c74fd84f06ec1afb1e68 (diff) | |
Relocation (= move+destroy)
2018-10-25 Marc Glisse <marc.glisse@inria.fr>
PR libstdc++/87106
* include/bits/alloc_traits.h (_S_construct, _S_destroy, construct,
destroy): Add noexcept specification.
* include/bits/allocator.h (construct, destroy): Likewise.
* include/ext/alloc_traits.h (construct, destroy): Likewise.
* include/ext/malloc_allocator.h (construct, destroy): Likewise.
* include/ext/new_allocator.h (construct, destroy): Likewise.
* include/bits/stl_uninitialized.h (__relocate_object_a, __relocate_a,
__relocate_a_1): New functions.
(__is_trivially_relocatable): New class.
* include/bits/stl_vector.h (__use_relocate): New static member.
* include/bits/vector.tcc (reserve, _M_realloc_insert,
_M_default_append): Use __relocate_a.
(reserve, _M_assign_aux, _M_realloc_insert, _M_fill_insert,
_M_default_append, _M_range_insert): Move _GLIBCXX_ASAN_ANNOTATE_REINIT
after _Destroy.
* testsuite/23_containers/vector/modifiers/push_back/49836.cc:
Replace CopyConsOnlyType with DelAnyAssign.
From-SVN: r265485
Diffstat (limited to 'libstdc++-v3/include/ext/malloc_allocator.h')
| -rw-r--r-- | libstdc++-v3/include/ext/malloc_allocator.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libstdc++-v3/include/ext/malloc_allocator.h b/libstdc++-v3/include/ext/malloc_allocator.h index 1ae53b11ddb..5f91fe08af4 100644 --- a/libstdc++-v3/include/ext/malloc_allocator.h +++ b/libstdc++-v3/include/ext/malloc_allocator.h @@ -151,11 +151,15 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION template<typename _Up, typename... _Args> void construct(_Up* __p, _Args&&... __args) + noexcept(noexcept(::new((void *)__p) + _Up(std::forward<_Args>(__args)...))) { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); } template<typename _Up> void - destroy(_Up* __p) { __p->~_Up(); } + destroy(_Up* __p) + noexcept(noexcept(__p->~_Up())) + { __p->~_Up(); } #else // _GLIBCXX_RESOLVE_LIB_DEFECTS // 402. wrong new expression in [some_] allocator::construct |