When promoting objects during a copying collection, promote all...

When promoting objects during a copying collection, promote all
non-large objects that cannot contain non-map-word pointers to other
heap objects into the old data space.


Committed: http://code.google.com/p/v8/source/detail?r=3519

[Kevin Millikin (Chromium), 2009-12-22 12:48:14]

I've reordered the instance types to make the promotion-space decision fast.

[Erik Corry, 2009-12-22 13:10:59]

LGTM
Nice cleanup.