This code:

public class Test
{
    static int a, b, c, d;

    public static void main(String[] args)
    {
        boolean cond = (a < b & c > d);
    }
}

compiles in 7 but fails in 8. The look ahead modifications made to the parser to process lambdas may have provoked this issue.

reported in lambda-dev list, original mail: http://mail.openjdk.java.net/pipermail/lambda-dev/2013-November/011505.html