Example before:
Slot #0 BinaryOp MONOMORPHIC
 [0]: 15
Slot #1 CompareOp MONOMORPHIC
 [1]: 1

And after:
Slot #0 BinaryOp MONOMORPHIC (NumberOrOddball)
 [0]: 15
Slot #1 CompareOp MONOMORPHIC (SignedSmall)
 [1]: 1

R=jarin@chromium.org

Bug: 
Change-Id: Ia22437c52289a13bcfd8847d6e5677ad44529b39
Reviewed-on: https://chromium-review.googlesource.com/725815Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48720}