[PATCH 4 of 8] perf: make `clearfilecache` helper work with any object

[Yuya Nishihara]

On Wed, 21 Nov 2018 19:33:54 +0100, Boris Feld wrote:
> # HG changeset patch
> # User Boris Feld <boris.feld at octobus.net>
> # Date 1542646221 0
> #      Mon Nov 19 16:50:21 2018 +0000
> # Node ID ea3a9f11bceef210118fc368908f4cfcd5a814fa
> # Parent  73f19cded5865968e672a0e1d1b6aaaef2b77e18
> # EXP-Topic perf-ignore
> # Available At https://bitbucket.org/octobus/mercurial-devel/
> #              hg pull https://bitbucket.org/octobus/mercurial-devel/ -r ea3a9f11bcee
> perf: make `clearfilecache` helper work with any object

Queued this, thanks.