Checkstyle does not support annotations on array types

[denizarsan]

$ javac C.java

$ cat C.java

@java.lang.annotation.Target(java.lang.annotation.ElementType.TYPE_USE)
@interface A {}

class C {
    int i @A [];
}

$ cat config.xml

<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.3//EN" "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
<module name="Checker">
  <module name="TreeWalker">
    <module name="LineLength"/> <!-- can be any check that requires parsing -->
  </module>
</module>

$ java -jar checkstyle-7.8.2-all.jar -c config.xml C.java

Starting audit...
/tmp/C.java:5:14: unexpected token: [
com.puppycrawl.tools.checkstyle.api.CheckstyleException: Exception was thrown while processing C.java
        at com.puppycrawl.tools.checkstyle.Checker.processFiles(Checker.java:295)
        at com.puppycrawl.tools.checkstyle.Checker.process(Checker.java:213)
        at com.puppycrawl.tools.checkstyle.Main.runCheckstyle(Main.java:425)
        at com.puppycrawl.tools.checkstyle.Main.runCli(Main.java:359)
        at com.puppycrawl.tools.checkstyle.Main.main(Main.java:174)
Caused by: com.puppycrawl.tools.checkstyle.api.CheckstyleException: MismatchedTokenException occurred during the analysis of file C.java.
        at com.puppycrawl.tools.checkstyle.TreeWalker.processFiltered(TreeWalker.java:201)
        at com.puppycrawl.tools.checkstyle.api.AbstractFileSetCheck.process(AbstractFileSetCheck.java:78)
        at com.puppycrawl.tools.checkstyle.Checker.processFile(Checker.java:316)
        at com.puppycrawl.tools.checkstyle.Checker.processFiles(Checker.java:286)
        ... 4 more
Caused by: /tmp/C.java:6:1: expecting EOF, found '}'
        at antlr.Parser.match(Parser.java:211)
        at com.puppycrawl.tools.checkstyle.grammars.GeneratedJavaRecognizer.compilationUnit(GeneratedJavaRecognizer.java:211)
        at com.puppycrawl.tools.checkstyle.TreeWalker.parse(TreeWalker.java:448)
        at com.puppycrawl.tools.checkstyle.TreeWalker.processFiltered(TreeWalker.java:179)
        ... 7 more
Checkstyle ends with 1 errors.

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Such annotations are supported, at least in javac 1.8.0_131, but Checkstyle crashes.

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[rnveach]

Is probably the same as #3236

[romani]

fix is merged, in scope of #7407 PR (#3238)

@esilkensen , please request bounty.