Fails like so:

$ git cl upload -t 'Download prebuilt libraries on MSan ToT bots.'
Running presubmit upload checks ...

Presubmit checks passed.
 scripts/slave/recipe_modules/chromium_tests/chromium_clang.py | 4 ++++
 scripts/slave/recipe_modules/chromium_tests/chromium_fyi.py   | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)
remote: Processing changes: new: 1, done            
remote: 
remote: New Changes:        
remote:   https://chromium-review.googlesource.com/#/c/chromium/tools/build/+/706801 Download prebuilt libraries on MSan ToT bots. [WIP]        
remote: 
To https://chromium.googlesource.com/a/chromium/tools/build
 * [new branch]            f795198eed72b3636a79f43680172131624713c2 -> refs/for/refs/heads/master%wip,m=Initial_upload

Error after CL description prompt -- saving description to /Users/thakis/.git_cl_description_backup

Created|Updated 0 issues on Gerrit, but only 1 expected.
Change-Id: Ia806c0a85e60e1b73750e55838e032e1473150e2


Change gets uploaded ok, but then the cc list isn't set, and `git cl issue` locally doesn't know about the gerrit change.