Compiler crashes with java.lang.NullPointerException.

@FunctionalInterface
interface Baz extends Foo<Integer, Integer> {}

interface Foo<T, N extends Number> {
    void m(T arg);
    void m(N arg);
}

Works fine without @FunctionalInterface.

JCK test that fails: lang/LMBD/lmbd045/lmbd04501md/lmbd04501md.html