Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0217.cs

@@ -0,0 +1,26 @@
+// CS0217: A user-defined operator `UserOperatorClass.operator &(UserOperatorClass, UserOperatorClass)' must have each parameter type and return type of the same type in order to be applicable as a short circuit operator
+// Line: 22
+
+public class UserOperatorClass
+{
+        public static bool operator & (UserOperatorClass u1, UserOperatorClass u2) {
+                return true;
+        }
+    
+        public static bool operator true (UserOperatorClass u) {
+                return true;
+        }
+
+        public static bool operator false (UserOperatorClass u) {
+                return false;
+        }
+
+        public static void Main () {
+                
+                UserOperatorClass x = new UserOperatorClass();
+                UserOperatorClass y = new UserOperatorClass();
+                UserOperatorClass z = x && y;
+        }
+}
+
+