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  1. JDK
  2. JDK-8294767

8u contains two copies of test/../FileUtils.java, one uses JDK9+ features

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    • b01

        There are two copies of the test utility class FileUtils.java in the jdk8u-dev source tree:

        ```
        $ find . -name FileUtils.java
        ./jdk/test/lib/testlibrary/jdk/testlibrary/FileUtils.java
        ./jdk/test/lib/jdk/test/lib/util/FileUtils.java
        ```

        One of them is not used by anything. It also uses language features that are not present in 8u:

        ```
        $ $JAVA_HOME/bin/javac ./jdk/test/lib/jdk/test/lib/util/FileUtils.java
        # snip
        ./jdk/test/lib/jdk/test/lib/util/FileUtils.java:166: error: cannot infer type arguments for SimpleFileVisitor<T>
                    java.nio.file.Files.walkFileTree(dir, new SimpleFileVisitor<>() {
                                                                               ^
          reason: cannot use '<>' with anonymous inner classes
        ```

        The soluton for this case is simple, just remove the above file.

        This is part of a wider issue of duplicated test material, but I'm filing for the one I found for now.

              jdowland Jonathan Dowland
              jdowland Jonathan Dowland
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