tree 4262cde9bdb2aaa2f821da4cb3c59db8921db87a
parent 9b4cfabe4443d52778e0d99b79372dc91be5c383
author Jianzhou Zhao <jianzhouzh@google.com> 1612849632 +0000
committer Copybara-Service <copybara-worker@google.com> 1613725112 -0800

[sanitizer] Move MSan's chained_origin_depot to sanitizer_common

https://reviews.llvm.org/D95835 implements origin tracking for DFSan.
It reuses the chained origin depot of MSan.

This change moves the utility to sanitizer_common to share between
MSan and DFSan.

Reviewed-by: eugenis, morehouse

Differential Revision: https://reviews.llvm.org/D96319

GitOrigin-RevId: b4993cf54d7fa1ba2733221248dd639f61293b5b