1 // CS1644: Feature `nullable types' cannot be used because it is not part of the C# 1.0 language specification
2 // Line: 9
3 // Compiler options: -langversion:ISO-1
4 
5 struct C
6 {
GC7 	void G ()
8 	{
9 		object o = (C?[]) this;
10 	}
11 }
12