Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0312-2.cs

@@ -0,0 +1,18 @@
+// CS0312: The type `E?' cannot be used as type parameter `T' in the generic type or method `C<E>.Foo<T>(T)'. The nullable type `E?' does not satisfy constraint `E'
+// Line: 16
+
+enum E
+{
+}
+
+class C<U>
+{
+	static void Foo<T> (T value) where T : U
+	{
+	}
+
+	static void Test (E? e)
+	{
+		C<E>.Foo (e);
+	}
+}