ref: 2c3807b89f18cde63aa42f8aeecc31e5bfe12554
parent: d4ab2348699a5092bfd1eb34e7770273212a2788
parent: e446ffda45b61f0900a8063a004c7ceef0b4ffa2
author: Alex Converse <aconverse@google.com>
date: Mon Aug 1 12:30:05 EDT 2016
Merge "Cache optimizations in optimize_b()."