Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs1950.cs

@@ -0,0 +1,23 @@
+// CS1954: The best overloaded collection initalizer method `Data.Add(__arglist)' has some invalid arguments
+// Line: 16
+
+
+using System;
+using System.Collections;
+
+class Data : IEnumerable
+{
+	public IEnumerator GetEnumerator () { return null; }
+	
+	public void Add (__arglist)
+	{
+	}
+}
+
+public class Test
+{
+	static void Main ()
+	{
+		var c = new Data { 1 };
+	}
+}