Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-660.cs

@@ -0,0 +1,44 @@
+using System;
+
+using System.Linq.Expressions;
+
+public enum Code
+{
+	Opened = 0,
+	Closed = 1,
+	ReckonedUp = 2
+}
+
+public struct Status
+{
+	Code value;
+
+	public Status (Code value)
+	{
+		this.value = value;
+	}
+
+	public static implicit operator Status (Code x)
+	{
+		return new Status (x);
+	}
+
+	public static implicit operator Code (Status x)
+	{
+		return x.value;
+	}
+}
+
+public class Test
+{
+	Status status;
+
+	public static void Main ()
+	{
+		Test test = new Test ();
+
+		if (test.status == Code.ReckonedUp) {
+			return;
+		}
+	}
+}