When canonicalizing branch on StrictCompare don't fuse comparisons that can deoptimize or serve as pending deoptimization target for representation changes.

R=fschneider@google.com
BUG=

Review URL: https://codereview.chromium.org//12220150

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@18443 260f80e4-7a28-3924-810f-c04153c831b5
2 files changed