This handles comparison operations (equality and relational) having
number feedback during the early type-hint lowering (i.e. during graph
construction).

R=bmeurer@chromium.org

Change-Id: I97afd6c0d78a790ce38b731f2532ca18d812a32c
Reviewed-on: https://chromium-review.googlesource.com/444766Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43315}