--- a/src/java.base/share/classes/sun/nio/cs/UnicodeDecoder.java	Fri Jan 11 14:05:57 2019 -0800
+++ b/src/java.base/share/classes/sun/nio/cs/UnicodeDecoder.java	Fri Jan 11 14:24:23 2019 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2006, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -91,11 +91,6 @@
 
                 char c = decode(b1, b2);
 
-                if (c == REVERSED_MARK) {
-                    // A reversed BOM cannot occur within middle of stream
-                    return CoderResult.malformedForLength(2);
-                }
-
                 // Surrogates
                 if (Character.isSurrogate(c)) {
                     if (Character.isHighSurrogate(c)) {