Preview mode support for exploded build. This is an alternate approach from https://github.com/openjdk/valhalla/pull/1845 which I think is actually cleaner and more robust.
------------- Commit messages: - remove redundant function definition - Alternate preview mode support for exploded build Changes: https://git.openjdk.org/valhalla/pull/1854/files Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=1854&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8373987 Stats: 55 lines in 3 files changed: 25 ins; 11 del; 19 mod Patch: https://git.openjdk.org/valhalla/pull/1854.diff Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1854/head:pull/1854 PR: https://git.openjdk.org/valhalla/pull/1854
