Fixed Insertion test regression

dotnet · Oct 25, 2023 · 9d5cefa · 9d5cefa
1 parent eea805f
commit 9d5cefa
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/DotNext/Buffers/PooledArrayBufferWriter.cs b/src/DotNext/Buffers/PooledArrayBufferWriter.cs
@@ -507,7 +507,9 @@ private static void CopyFast(T[] source, T[] destination, int length)
         Debug.Assert(length <= source.Length);
         Debug.Assert(length <= destination.Length);
 
-        source.CopyTo(MemoryMarshal.CreateSpan(ref MemoryMarshal.GetArrayDataReference(destination), length));
+        var src = MemoryMarshal.CreateReadOnlySpan(ref MemoryMarshal.GetArrayDataReference(source), length);
+        var dest = MemoryMarshal.CreateSpan(ref MemoryMarshal.GetArrayDataReference(destination), length);
+        src.CopyTo(dest);
     }
 
     [MethodImpl(MethodImplOptions.AggressiveInlining)]