- Store instruction with an offset bigger than GrowMemory offset should handle out of bounds correctly
 - Refactor to separate runnning from compile so arguments can be passed in to module builder tests.

BUG=chromium:644670

R=ahaas@chromium.org, titzer@chromium.org

Review-Url: https://codereview.chromium.org/2373613004
Cr-Commit-Position: refs/heads/master@{#39840}