std::aligned_storage is deprecated as of C++23

testing/alignment.cu

@@ -209,72 +209,6 @@ void test_aligned_type()
 }
 DECLARE_UNITTEST(test_aligned_type);
 
-template <std::size_t Len, std::size_t Align>
-void test_aligned_storage_instantiation(thrust::detail::true_type /* Align is valid */)
-{
-    typedef typename thrust::detail::aligned_storage<Len, Align>::type type;
-    ASSERT_GEQUAL(sizeof(type), Len);
-    ASSERT_EQUAL(THRUST_ALIGNOF(type), Align);
-    ASSERT_EQUAL(thrust::detail::alignment_of<type>::value, Align);
-}
-
-template <std::size_t Len, std::size_t Align>
-void test_aligned_storage_instantiation(thrust::detail::false_type /* Align is invalid */)
-{
-  // no-op -- alignment is > max_align_t and MSVC complains loudly.
-}
-
-template <std::size_t Len, std::size_t Align>
-void test_aligned_storage_instantiation()
-{
-  typedef thrust::detail::integral_constant<
-      bool, Align <= THRUST_ALIGNOF(thrust::detail::max_align_t)>
-      ValidAlign;
-  test_aligned_storage_instantiation<Len, Align>(ValidAlign());
-}
-
-template <std::size_t Len>
-void test_aligned_storage_size()
-{
-    test_aligned_storage_instantiation<Len, 1>();
-    test_aligned_storage_instantiation<Len, 2>();
-    test_aligned_storage_instantiation<Len, 4>();
-    test_aligned_storage_instantiation<Len, 8>();
-    test_aligned_storage_instantiation<Len, 16>();
-    test_aligned_storage_instantiation<Len, 32>();
-    test_aligned_storage_instantiation<Len, 64>();
-    test_aligned_storage_instantiation<Len, 128>();
-}
-
-void test_aligned_storage()
-{
-    test_aligned_storage_size<1>();
-    test_aligned_storage_size<2>();
-    test_aligned_storage_size<4>();
-    test_aligned_storage_size<8>();
-    test_aligned_storage_size<16>();
-    test_aligned_storage_size<32>();
-    test_aligned_storage_size<64>();
-    test_aligned_storage_size<128>();
-    test_aligned_storage_size<256>();
-    test_aligned_storage_size<512>();
-    test_aligned_storage_size<1024>();
-    test_aligned_storage_size<2048>();
-    test_aligned_storage_size<4096>();
-    test_aligned_storage_size<8192>();
-    test_aligned_storage_size<16384>();
-
-    test_aligned_storage_size<3>();
-    test_aligned_storage_size<5>();
-    test_aligned_storage_size<7>();
-
-    test_aligned_storage_size<17>();
-    test_aligned_storage_size<42>();
-
-    test_aligned_storage_size<10000>();
-}
-DECLARE_UNITTEST(test_aligned_storage);
-
 void test_max_align_t()
 {
     ASSERT_GEQUAL(

thrust/detail/alignment.h

@@ -26,7 +26,7 @@
 #include <cstddef> // For `std::size_t` and `std::max_align_t`.
 
 #if THRUST_CPP_DIALECT >= 2011
-    #include <type_traits> // For `std::alignment_of` and `std::aligned_storage`.
+    #include <type_traits> // For `std::alignment_of`. 
 #endif
 
 THRUST_NAMESPACE_BEGIN
@@ -154,32 +154,6 @@ struct aligned_type;
     };
 #endif
 
-/// \p aligned_storage provides the nested type `type`, which is a trivial type
-/// suitable for use as uninitialized storage for any object whose size is at
-/// most `Len` bytes and whose alignment requirement is a divisor of `Align`.
-/// 
-/// The behavior is undefined if `Len` is 0 or `Align` is not a power of 2.
-///
-/// It is an implementation of C++11's \p std::aligned_storage.
-#if THRUST_CPP_DIALECT >= 2011
-    template <std::size_t Len, std::size_t Align>
-    using aligned_storage = std::aligned_storage<Len, Align>;
-#else
-    template <std::size_t Len, std::size_t Align>
-    struct aligned_storage
-    {
-        union type
-        {
-            unsigned char data[Len];
-            // We put this into the union in case the alignment requirement of
-            // an array of `unsigned char` of length `Len` is greater than
-            // `Align`.
-
-            typename aligned_type<Align>::type align;
-        };
-    };
-#endif
-
 /// \p max_align_t is a trivial type whose alignment requirement is at least as
 /// strict (as large) as that of every scalar type.
 ///