Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0854.cs

@@ -0,0 +1,17 @@
+// CS0854: An expression tree cannot contain an invocation which uses optional parameter
+// Line: 15
+
+using System;
+using System.Linq.Expressions;
+
+class M
+{
+	static void Optional (int i, string s = "value")
+	{
+	}
+	
+	public static void Main ()
+	{
+		Expression<Action> e = () => Optional (1);
+	}
+}