For this source code:
-----
public class Test {
    public static final int INT_VALUE = 1;
    @interface Main {
        Nested v1();
        int v2();
    }
    @interface Nested { }
    @Main(@Unknown, 1)
    private void test() { }
}
-----

javac crashes:
-----
$ javac -XDdev CheckAnnotations.java
CheckAnnotations.java:7: error: annotation values must be of the form 'name=value'
    @Main(@Unknown, 1)
          ^
CheckAnnotations.java:7: error: annotation values must be of the form 'name=value'
    @Main(@Unknown, 1)
                    ^
An exception has occurred in the compiler (1.8.0-internal). Please file a bug at the Java Developer Connection (http://java.sun.com/webapps/bugreport) after checking the Bug Parade for duplicates. Include your program and the following diagnostic in your report. Thank you.
java.lang.NullPointerException
        at com.sun.tools.javac.comp.Check$1AnnotationValidator.visitAnnotation(Check.java:2647)
        at com.sun.tools.javac.tree.JCTree$JCAnnotation.accept(JCTree.java:2311)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:49)
        at com.sun.tools.javac.tree.TreeScanner.scan(TreeScanner.java:57)
        at com.sun.tools.javac.tree.TreeScanner.visitAnnotation(TreeScanner.java:320)
        at com.sun.tools.javac.comp.Check$1AnnotationValidator.visitAnnotation(Check.java:2648)
        at com.sun.tools.javac.tree.JCTree$JCAnnotation.accept(JCTree.java:2311)
        at com.sun.tools.javac.comp.Check.validateAnnotationTree(Check.java:2653)
        at com.sun.tools.javac.comp.Check.validateAnnotation(Check.java:2720)
        at com.sun.tools.javac.comp.Check.validateAnnotations(Check.java:2707)
        at com.sun.tools.javac.comp.MemberEnter$6.run(MemberEnter.java:893)
        at com.sun.tools.javac.comp.Annotate.flush(Annotate.java:155)
        at com.sun.tools.javac.comp.Annotate.enterDone(Annotate.java:129)
        at com.sun.tools.javac.comp.Enter.complete(Enter.java:516)
        at com.sun.tools.javac.comp.Enter.main(Enter.java:475)
        at com.sun.tools.javac.main.JavaCompiler.enterTrees(JavaCompiler.java:985)
        at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:860)
        at com.sun.tools.javac.main.Main.compile(Main.java:523)
        at com.sun.tools.javac.main.Main.compile(Main.java:381)
        at com.sun.tools.javac.main.Main.compile(Main.java:370)
        at com.sun.tools.javac.main.Main.compile(Main.java:361)
        at com.sun.tools.javac.Main.compile(Main.java:56)
        at com.sun.tools.javac.Main.main(Main.java:42)
-----

This is for javac built from jdk8/tl:
-----
langtools$ hg tip
changeset: 2197:4fa835472e3c
tag: tip
user: rfield
date: Fri Nov 22 17:07:35 2013 -0800
summary: 8028739: javac generates incorrect descriptor for MethodHandle::invoke
-----

Also reproducible with:
$ javac -fullversion
javac full version "1.7.0_11-b21"