Make unit tests that fill new-space work under stress.

Make unit tests that fill new-space work under stress.

This makes sure that unit tests that try to fill up the new-space work
on the GC stress buildbots as well.

R=yangguo@chromium.org
TEST=cctest/test-heap --gc-interval=500 --stress-compaction

Committed: https://code.google.com/p/v8/source/detail?r=13065

[Yang, 2012-11-27 12:31:33]

On 2012/11/27 12:21:14, Michael Starzinger wrote:

lgtm.