RFR: Merge lworld [v2]

[David Simms]

> Merge fixes from lworld into lqagain

David Simms has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase.

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Changes:
  - all: https://git.openjdk.java.net/valhalla/pull/408/files
  - new: https://git.openjdk.java.net/valhalla/pull/408/files/c8d7c826..c8d7c826

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=valhalla&pr=408&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=valhalla&pr=408&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/408.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/408/head:pull/408

PR: https://git.openjdk.java.net/valhalla/pull/408