- Instantiation errors are no longer recorded. If instantiation fails,
  the module(s) are reset to "uninstantiated". When instantiation is
  re-attempted, the thrown exception will be fresh.
- Instantiation can succeed even where there are modules in the graph
  that previously failed evaluation.

Bug: v8:1569
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng
Change-Id: I429f616918afe5f8ab1a956024f0a22f464b8c44
Reviewed-on: https://chromium-review.googlesource.com/763369
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50301}