Ran into these when trying a newer libstdc++
Bug: None
Change-Id: Ie3ce0ae1ae1e6da1a15476fbf942b48b37adc9fa
Reviewed-on: https://webrtc-review.googlesource.com/23501
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Oleh Prypin <oprypin@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20701}