LGTM
http://gwt-code-reviews.appspot.com/607801/diff/1/2 File dev/core/super/com/google/gwt/lang/LongLibBase.java (right): http://gwt-code-reviews.appspot.com/607801/diff/1/2#newcode412 dev/core/super/com/google/gwt/lang/LongLibBase.java:412: private static int numberOfLeadingZeros(LongEmul a) { Where is this tested? http://gwt-code-reviews.appspot.com/607801/diff/1/3 File dev/core/test/com/google/gwt/lang/LongLibTest.java (right): http://gwt-code-reviews.appspot.com/607801/diff/1/3#newcode18 dev/core/test/com/google/gwt/lang/LongLibTest.java:18: public abstract long ref(long l0, long l1); I really hate single-letter l variables, even with digits, because depending on the font it can be very hard to distinguish from the digit 1. How about v or val instead of l everywhere here? http://gwt-code-reviews.appspot.com/607801/show -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
