Same example code as in #192146 but this time, replace
    FileVisitor<Path> fv = new SimpleFileVisitor<Path>
with
    FileVisitor<Path> fv = new SimpleFileVisitor<>
and the error is there again.

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CODE
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import java.nio.file.*;
import java.util.concurrent.*;

public class _NBFormattingRegression2 {

    static abstract class MyCallable<V>
            implements Callable<V> {
    }

    public static void main(String... args) {
        // WORKS
        Callable<String> c = new MyCallable<>() {

            @Override
            public String call() {
                return null;
            }

        };

        // ERROR: cannot infer type arguments for SimpleFileVisitor<>
        FileVisitor<Path> fv = new SimpleFileVisitor<>() {
        };
    }

}