Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-840.cs

@@ -0,0 +1,37 @@
+struct R
+{
+	public static bool operator < (R left, R right)
+	{
+		return true;
+	}
+
+	public static bool operator > (R left, R right)
+	{
+		return false;
+	}
+	
+	public static implicit operator float(R r)
+	{
+		return 5;
+	}
+	
+	public static implicit operator R(float f)
+	{
+		return new R ();
+	}
+}
+
+class C
+{
+	public static int Main ()
+	{
+		var r = new R ();
+		float f = 999f;
+		
+		bool b = f < r;
+		if (!b)
+			return 1;
+		
+		return 0;
+	}
+}