Propagate updated offsets in BoundsCheckBbData.

BUG=350863
LOG=Y
TEST=mjsunit/regress/regress-350863.js
R=bmeurer@chromium.org, jkummerow@chromium.org

Review URL: https://codereview.chromium.org/197823009

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@19923 ce2b1a6d-e550-0410-aec6-3dcde31c8c00