D1244: overlayworkingctx: invalidate the manifest cache when changing parents

[phillco (Phil Cohen)]

phillco added inline comments.

INLINE COMMENTS

> dlax wrote in context.py:2003
> Wouldn't `util.clearcachedproperty(self, '_manifest')` work?

Thanks! I did not know about it -- will use.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D1244

To: phillco, #hg-reviewers, durin42, dlax
Cc: dlax, mercurial-devel