--- a/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/tree/DocTreeMaker.java	Thu Mar 03 12:48:19 2016 -0800
+++ b/langtools/src/jdk.compiler/share/classes/com/sun/tools/javac/tree/DocTreeMaker.java	Thu Mar 03 14:54:44 2016 -0800
@@ -50,6 +50,7 @@
 import com.sun.tools.javac.parser.ParserFactory;
 import com.sun.tools.javac.parser.ReferenceParser;
 import com.sun.tools.javac.parser.Tokens.Comment;
+import com.sun.tools.javac.parser.Tokens.Comment.CommentStyle;
 import com.sun.tools.javac.tree.DCTree.DCAttribute;
 import com.sun.tools.javac.tree.DCTree.DCAuthor;
 import com.sun.tools.javac.tree.DCTree.DCComment;
@@ -206,7 +207,31 @@
         lb.addAll(cast(firstSentence));
         lb.addAll(cast(body));
         List<DCTree> fullBody = lb.toList();
-        DCDocComment tree = new DCDocComment(null, fullBody, cast(firstSentence), cast(body), cast(tags));
+
+        // A dummy comment to keep the diagnostics logic happy.
+        Comment c = new Comment() {
+            @Override
+            public String getText() {
+                return null;
+            }
+
+            @Override
+            public int getSourcePos(int index) {
+                return Position.NOPOS;
+            }
+
+            @Override
+            public CommentStyle getStyle() {
+                return CommentStyle.JAVADOC;
+            }
+
+            @Override
+            public boolean isDeprecated() {
+                return false;
+            }
+        };
+
+        DCDocComment tree = new DCDocComment(c, fullBody, cast(firstSentence), cast(body), cast(tags));
         return tree;
     }
 

--- a/langtools/test/jdk/javadoc/doclet/testJavaFX/TestJavaFX.java	Thu Mar 03 12:48:19 2016 -0800
+++ b/langtools/test/jdk/javadoc/doclet/testJavaFX/TestJavaFX.java	Thu Mar 03 14:54:44 2016 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2016, 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
@@ -23,7 +23,7 @@
 
 /*
  * @test
- * @bug 7112427 8012295 8025633 8026567 8061305 8081854
+ * @bug 7112427 8012295 8025633 8026567 8061305 8081854 8150130
  * @summary Test of the JavaFX doclet features.
  * @author jvalenta
  * @library ../lib
@@ -137,6 +137,7 @@
                 + "</ul>\n"
                 + "</li>");
     }
+
     /*
      * Test without -javafx option, to ensure property getters and setters
      * are treated just like any other java method.
@@ -181,4 +182,22 @@
                 + "</span>()</code>&nbsp;</td>"
         );
     }
+
+    /*
+     * Force the doclet to emit a warning when processing a synthesized,
+     * DocComment, and ensure that the run succeeds.
+     */
+    @Test
+    void test4() {
+        javadoc("-d", "out4",
+                "-javafx",
+                "-Xdoclint:none",
+                "-sourcepath", testSrc,
+                "-package",
+                "pkg4");
+        checkExit(Exit.OK);
+
+        // make sure the doclet indeed emits the warning
+        checkOutput(Output.OUT, true, "C.java:0: warning - invalid usage of tag >");
+    }
 }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/jdk/javadoc/doclet/testJavaFX/pkg4/C.java	Thu Mar 03 14:54:44 2016 -0800
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2016, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package pkg4;
+
+public class C {
+
+    /**
+     * Defines the number of cycles in this animation. The {@code cycleCount}
+     * may be {@code INDEFINITE} for animations that repeat indefinitely.
+     * Now we add a > to deliberately cause an Html error.
+     * @defaultValue 11
+     * @since JavaFX 8.0
+     */
+    public DoubleProperty rate;
+
+    public final void setRate(double value) {}
+
+    public final double getRate() {return 2.0d;}
+
+    public final DoubleProperty rateProperty() {return new DoubleProperty();}
+
+    class DoubleProperty {}
+
+}