tree c62c7652860e19252c54fefddb2d95b380a8c594
parent 9838487c78a3a5cf058e274c39a67ee97e372a1b
author Ian Rogers <irogers@google.com> 1370303998 -0700
committer Ian Rogers <irogers@google.com> 1370303998 -0700

Tune ArenaBitVector::Iterator::Next.

Hot routine:
1) move to header file so that fields may be moved to registers,
2) remove search for bits in word with a CTZ.

Change-Id: I960ee811234c3a65d11f0af55ed15c4444f486ae