INumber constraint

Author: jkotas

src/libraries/System.Runtime.InteropServices/ref/System.Runtime.InteropServices.cs

@@ -367,12 +367,12 @@ public static partial class ExceptionAsDefaultMarshaller<T> where T : unmanaged
         public static T ConvertToUnmanaged(System.Exception e) { throw null; }
     }
     [System.Runtime.InteropServices.Marshalling.CustomMarshallerAttribute(typeof(System.Exception), System.Runtime.InteropServices.Marshalling.MarshalMode.UnmanagedToManagedOut, typeof(System.Runtime.InteropServices.Marshalling.ExceptionAsHResultMarshaller<>))]
-    public static partial class ExceptionAsHResultMarshaller<T> where T : unmanaged
+    public static partial class ExceptionAsHResultMarshaller<T> where T : unmanaged, System.Numerics.INumber<T>
     {
         public static T ConvertToUnmanaged(System.Exception e) { throw null; }
     }
     [System.Runtime.InteropServices.Marshalling.CustomMarshallerAttribute(typeof(System.Exception), System.Runtime.InteropServices.Marshalling.MarshalMode.UnmanagedToManagedOut, typeof(System.Runtime.InteropServices.Marshalling.ExceptionAsNaNMarshaller<>))]
-    public static partial class ExceptionAsNaNMarshaller<T> where T : unmanaged
+    public static partial class ExceptionAsNaNMarshaller<T> where T : unmanaged, System.Numerics.IFloatingPointIeee754<T>
     {
         public static T ConvertToUnmanaged(System.Exception e) { throw null; }
     }