ref: fad865c54ad99ada3e53ea4a290688f0c56aa15d
parent: 4f69df9969745c3bec295edbb5514a2cc04c7e26
author: James Zern <jzern@google.com>
date: Sat Sep 28 09:12:49 EDT 2019
namespace ARCH_* defines this prevents redefinition warnings if a toolchain sets one BUG=b/117240165 Change-Id: Ib5d8c303cd05b4dbcc8d42c71ecfcba8f6d7b90c