1Module Module1
2
3    Public Class Test
4
5        Public Ambiguous As Integer
6
7        Public Class NestedTest
8
9            Public Function Impossible() As Integer
10
11                Return Ambiguous
12            End Function
13        End Class
14    End Class
15
16    Sub Main()
17
18        Dim instance As New Test.NestedTest
19        Dim x As Integer = instance.Impossible
20        'Runtime error:
21        'Unhandled Exception: System.InvalidProgramException: Invalid IL code in ConsoleApplication1.Module1/Test/NestedTest:Impossible (): IL_0001: ldfld   0:      x04000001()
22    End Sub
23End Module