Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0121-23.cs

@@ -0,0 +1,18 @@
+// CS0121: The call is ambiguous between the following methods or properties: `C.M(int, string, string)' and `C.M<int>(int, int?, string)'
+// Line: 16
+
+class C
+{
+	static void M (int x, string y, string z = null)
+	{
+	}
+
+	static void M<T>(T t, int? u, string z = null)
+	{
+	}
+
+	static void Main ()
+	{
+		M (123, null);
+	}
+}