This fixes the corner-case where the method in question failed to lookup
the very last deoptimization bailout without subsequent entries within
the relocation info. Also enable a test covering this.

R=tebbi@chromium.org
TEST=cctest/test-cpu-profiler/CollectDeoptEvents

Review-Url: https://codereview.chromium.org/2565733002
Cr-Commit-Position: refs/heads/master@{#41623}