This is just a bug. CompileLazy knows how to look in the
SharedFunctionInfo for code (or bytecode, essentially) if it
finds nothing in the OptimizedCodeMap. Ensure that behavior.

BUG=681543
R=leszeks@chromium.org

Review-Url: https://codereview.chromium.org/2636143002
Cr-Commit-Position: refs/heads/master@{#42409}