Speed up test/mjsunit/debug-multiple-breakpoints
Speed up test/mjsunit/debug-multiple-breakpoints

Review URL: https://codereview.chromium.org/10961064

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@12586 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh