Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

mcs/errors/cs1929-2.cs

@@ -0,0 +1,22 @@
+// CS1929: Type `System.Collections.IList' does not contain a member `Frobnicate' and the best extension method overload `Extensions.Frobnicate<Test>(this Test)' requires an instance of type `Test'
+// Line: 20
+
+using System;
+using System.Collections;
+
+static class Extensions
+{
+	public static void Frobnicate<T> (this T foo) where T : IList
+	{
+	}
+}
+
+public class Test
+{
+	IList mFoo;
+
+	void Frobnicate ()
+	{
+		mFoo.Frobnicate<Test> ();
+	}
+}