Fixing broken constructor

Author: hkaiser

components/containers/partitioned_vector/include/hpx/components/containers/partitioned_vector/partitioned_vector_impl.hpp

@@ -535,6 +535,7 @@ namespace hpx {
     }
 
     template <typename T, typename Data /*= std::vector<T> */>
+    HPX_PARTITIONED_VECTOR_SPECIALIZATION_EXPORT
     partitioned_vector<T, Data>::partitioned_vector(
         typename Data::const_iterator begin, typename Data::const_iterator end)
       : size_(std::distance(begin, end))
@@ -576,11 +577,10 @@ namespace hpx {
     template <typename T, typename Data /*= std::vector<T> */>
     template <typename DistPolicy>
     HPX_PARTITIONED_VECTOR_SPECIALIZATION_EXPORT
-    partitioned_vector<T, Data>::partitioned_vector(DistPolicy const& policy,
+    partitioned_vector<T, Data>::partitioned_vector(DistPolicy const&,
         std::enable_if_t<traits::is_distribution_policy_v<DistPolicy>>*)
       : size_(0)
     {
-        reserve(policy);
     }
 
     template <typename T, typename Data /*= std::vector<T> */>

components/containers/partitioned_vector/tests/regressions/CMakeLists.txt

@@ -1,12 +1,15 @@
-# Copyright (c) 2007-2017 Hartmut Kaiser
+# Copyright (c) 2007-2025 Hartmut Kaiser
 #
 # SPDX-License-Identifier: BSL-1.0
 # Distributed under the Boost Software License, Version 1.0. (See accompanying
 # file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-set(tests partitioned_vector_2201)
+set(tests partitioned_vector_2201 partitioned_vector_constructor_6650)
 
 set(partitioned_vector_2201_FLAGS COMPONENT_DEPENDENCIES partitioned_vector)
+set(partitioned_vector_constructor_6650_FLAGS COMPONENT_DEPENDENCIES
+                                              partitioned_vector
+)
 
 foreach(test ${tests})
   set(sources ${test}.cpp)

components/containers/partitioned_vector/tests/regressions/partitioned_vector_constructor_6650.cpp

@@ -0,0 +1,31 @@
+//  Copyright (c) 2025 Hartmut Kaiser
+//
+//  SPDX-License-Identifier: BSL-1.0
+//  Distributed under the Boost Software License, Version 1.0. (See accompanying
+//  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include <hpx/config.hpp>
+
+#if !defined(HPX_COMPUTE_DEVICE_CODE)
+#include <hpx/hpx_main.hpp>
+#include <hpx/include/partitioned_vector.hpp>
+#include <hpx/modules/runtime_distributed.hpp>
+
+///////////////////////////////////////////////////////////////////////////////
+int main()
+{
+    // create as many partitions as we have localities
+    [[maybe_unused]] hpx::partitioned_vector<int> data(
+        hpx::container_layout(hpx::find_all_localities()));
+
+    return 0;
+}
+
+#else
+
+int main()
+{
+    return 0;
+}
+
+#endif