Chrome Version: (copy from chrome://version)
OS: (e.g. Win7, OSX 10.9.5, etc...)

What steps will reproduce the problem?
(1) git cl patch something in.
(2) git reset --hard HEAD
(3) git cl issue 0

What is the expected result?
Change-Id in change on origin/master should not be cleared.

What happens instead?
git cl issue amends the CL description.