Clean up merge changes

Src/Newtonsoft.Json.Tests/Linq/MergeTests.cs

@@ -47,11 +47,27 @@ namespace Newtonsoft.Json.Tests.Linq
     public class MergeTests : TestFixtureBase
     {
         [Test]
-        public void MergeSelf()
+        public void MergeArraySelf()
         {
             var a = new JArray { "1", "2" };
             a.Merge(a, new JsonMergeSettings { MergeArrayHandling = MergeArrayHandling.Replace });
-            Assert.AreEqual(a, new JArray { "1", "2" });
+            Assert.AreEqual(new JArray { "1", "2" }, a);
+        }
+
+        [Test]
+        public void MergeObjectSelf()
+        {
+            var a = new JObject
+            {
+                ["1"] = 1,
+                ["2"] = 2
+            };
+            a.Merge(a, new JsonMergeSettings { MergeArrayHandling = MergeArrayHandling.Replace });
+            Assert.AreEqual(new JObject
+            {
+                ["1"] = 1,
+                ["2"] = 2
+            }, a);
         }
 
         [Test]

Src/Newtonsoft.Json/Linq/JContainer.cs

@@ -1165,7 +1165,9 @@ namespace Newtonsoft.Json.Linq
                     break;
                 case MergeArrayHandling.Replace:
                     if (target == content)
+                    {
                         break;
+                    }
                     target.ClearItems();
                     foreach (JToken item in content)
                     {