of https://codereview.chromium.org/1428943004/ )"

This reverts commit 5f4828a1.

Maintaining the behavior of processing both ranges with spill ranges,
as well as those with spill operands.

BUG=

Review URL: https://codereview.chromium.org/1406223010

Cr-Commit-Position: refs/heads/master@{#31924}