[PATCH] Simplify communication between Resolver and Input Graph.

[Shankar Kalpathi Easwaran]

  I think it would work, the resolver has to take into account if weak symbols were added and searchArchivesToOverrideTentativeDefinitions was true to progress as well.

  LGTM.

http://llvm-reviews.chandlerc.com/D3267

BRANCH
  cleanup

ARCANIST PROJECT
  lld