Merge branch 'feature/support-msvc-partial' into 'master'

Improve (partial) support with MSVC

See merge request !1442

dune/common/alignedallocator.hh

@@ -79,12 +79,23 @@ namespace Dune
       /*
        * Everybody else gets the standard treatment.
        */
+#if defined(_MSC_VER)
+      pointer ret = static_cast<pointer>(_aligned_malloc(alignment, size));
+#else
       pointer ret = static_cast<pointer>(std::aligned_alloc(alignment, size));
+#endif
       if (!ret)
         throw std::bad_alloc();
 
       return ret;
     }
+
+#if defined(_MSC_VER)
+    void deallocate(pointer p, [[maybe_unused]] size_type n)
+    {
+        _aligned_free(p);
+    }
+#endif
   };
 
 }

dune/common/std/extents.hh

@@ -243,9 +243,7 @@ struct DExtentsImpl;
 template <class IndexType, std::size_t... I>
 struct DExtentsImpl<IndexType, std::integer_sequence<std::size_t,I...>>
 {
-  template <std::size_t>
-  using dynamic = std::integral_constant<std::size_t,Std::dynamic_extent>;
-  using type = Std::extents<IndexType, dynamic<I>::value...>;
+  using type = Std::extents<IndexType, (void(I), Std::dynamic_extent)...>;
 };
 
 } // end namespace Impl

dune/common/test/autocopytest.cc

@@ -23,7 +23,7 @@ namespace Dune {
   struct AutonomousValueType<ZeroExpr> { using type = int; };
 
   // doAutoCopy should not pick up this overload
-  constexpr auto autoCopy(ZeroExpr) = delete;
+  auto autoCopy(ZeroExpr) = delete;
 } // namespace Dune
 
 int main()