tree 4700007d2d90d5d05e9a1e5b72bd514634d94aea
parent 31dfd7f218224f46decac1e338bc7f715e255235
author Haibo Huang <hhb@google.com> 1604371619 -0800
committer Haibo Huang <hhb@google.com> 1604371619 -0800

Upgrade rust/crates/regex-syntax to 0.6.21

Test: make
Change-Id: I8c34d16c9a7049044418c71b091f19218c72526d