The copyright header in the following file:

modules/javafx.graphics/src/main/java/com/sun/javafx/util/ModuleHelper.java

has an extra ' }' + a newline, as if someone typed (or pasted) them in the wrong window of an IDE or in the wrong location in the file. Here are the two lines in question:

 * FITNESS FOR A PARTICULAR PURPOSE. See }
 the GNU General Public License

it should be:

 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License