FULL PRODUCT VERSION :
java8b92

A DESCRIPTION OF THE PROBLEM :
ArrayList.removeAll(null); previously didn't do anything on empty lists. With Java 8 it throws an exception. Although this adheres to the contract in the JavaDoc it breaks existing code.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
new ArrayList<String>().removeAll(null);

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
no NPE

REPRODUCIBILITY :
This bug can be reproduced always.