found in a modular build of fxml:

src/javafx.fxml/src/main/java/javafx/fxml/FXMLLoader.java:84: error: cannot find symbol
import static com.sun.javafx.FXPermissions.MODIFY_FXML_CLASS_LOADER_PERMISSION;
                            ^
  symbol: class FXPermissions
  location: package com.sun.javafx

Fix is:

diff -r f380acccf395 modules/base/src/main/module-info/module-info.java
--- a/modules/base/src/main/module-info/module-info.java Fri May 20 10:07:16 2016 -0700
+++ b/modules/base/src/main/module-info/module-info.java Fri May 20 11:32:04 2016 -0700
@@ -41,6 +41,7 @@
     exports com.sun.javafx to
         javafx.controls,
         javafx.graphics,
+ javafx.fxml,
         javafx.swing;
     exports com.sun.javafx.beans to
         javafx.controls,