[PATCH rfc] rfc: call gc at exit of mercurial

[Jun Wu]

On 04/01/2016 10:13 AM, Pierre-Yves David wrote:
> why it relies on it?

I guess it's because of the order of `__del__`s being called is undefined.

FYI chg has a different issue about `__del__`. See commit 5346e9b910fc.