Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0229.cs

@@ -0,0 +1,26 @@
+// CS0229: Ambiguity between `IList.Count' and `ICounter.Count'
+// Line: 24
+
+using System;
+
+interface IList 
+{
+	int Count { set; }
+}
+
+interface ICounter 
+{
+	int Count { set; }
+}
+
+interface IListCounter: IList, ICounter
+{
+}
+
+class Test
+{
+	static void Foo (IListCounter t)
+	{
+		t.Count = 9; 
+	}
+}