Always use the allocator to construct/destruct elements of a deque/vector. Fixes PR#28412. Thanks to Jonathan Wakely for the report. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@275105 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/memory b/include/memory index 50a1f00..7a3281e 100644 --- a/include/memory +++ b/include/memory
@@ -5674,6 +5674,26 @@ #endif > {}; + +#ifndef _LIBCPP_HAS_NO_VARIADICS +template <class _Tp, class _Alloc> +struct __temp_value { + typedef allocator_traits<_Alloc> _Traits; + + typename aligned_storage<sizeof(_Tp), alignof(_Tp)>::type __v; + _Alloc &__a; + + _Tp *__addr() { return reinterpret_cast<_Tp *>(addressof(__v)); } + _Tp & get() { return *__addr(); } + + template<class... _Args> + __temp_value(_Alloc &__alloc, _Args&& ... __args) : __a(__alloc) + { _Traits::construct(__a, __addr(), _VSTD::forward<_Args>(__args)...); } + + ~__temp_value() { _Traits::destroy(__a, __addr()); } + }; +#endif + _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP_MEMORY