2 files changed, 22 insertions, 4 deletions
diff --git a/libstdc++-v3/include/bits/utility.h b/libstdc++-v3/include/bits/utility.h
index 4e57465..96ac698 100644
--- a/libstdc++-v3/include/bits/utility.h
+++ b/libstdc++-v3/include/bits/utility.h
@@ -172,6 +172,22 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
     using index_sequence_for = make_index_sequence<sizeof...(_Types)>;
 #endif // __glibcxx_integer_sequence
 
+#if __cpp_structured_bindings >= 202411L
+#if __has_builtin(__integer_pack)
+  template <auto _Num, typename _Tp = decltype(_Num)>
+    inline constexpr _Tp
+    _IotaArray[_Num] = {__integer_pack(_Tp(_Num))...};
+#elif defined __glibcxx_integer_sequence
+  template <auto _Num, typename _Tp = decltype(_Num), typename = make_integer_sequence<_Tp, _Num>>
+    inline constexpr _Tp
+    _IotaArray[_Num];
+
+  template <auto _Num, typename _Tp, _Tp... _Is>
+    inline constexpr _Tp
+    _IotaArray<_Num, _Tp, integer_sequence<_Tp, _Is...>>[_Num] = {_Is...};
+#endif // __integer_pack
+#endif // __cpp_structured_bindings >= 202411L
+
 #if __cplusplus >= 201703L
 
   struct in_place_t {
diff --git a/libstdc++-v3/include/bits/valarray_array.h b/libstdc++-v3/include/bits/valarray_array.h
index b5c02b7..d1b712c 100644
--- a/libstdc++-v3/include/bits/valarray_array.h
+++ b/libstdc++-v3/include/bits/valarray_array.h
@@ -38,6 +38,7 @@
 
 #include <bits/c++config.h>
 #include <bits/cpp_type_traits.h>
+#include <bits/new_allocator.h>
 #include <cstdlib>
 #include <new>
 
@@ -57,12 +58,13 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
   template<typename _Tp>
     inline _Tp*
     __valarray_get_storage(size_t __n)
-    { return static_cast<_Tp*>(operator new(__n * sizeof(_Tp))); }
+    { return std::__new_allocator<_Tp>().allocate(__n); }
 
   // Return memory to the system
-  inline void
-  __valarray_release_memory(void* __p)
-  { operator delete(__p); }
+  template<typename _Tp>
+    inline void
+    __valarray_release_memory(_Tp* __p, size_t __n)
+    { std::__new_allocator<_Tp>().deallocate(__p, __n); }
 
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wc++17-extensions" // if constexpr