RFR: Inject StackChunk fields.

Thu Mar 3 13:22:31 UTC 2022

This injects StackChunk fields that aren't being used by Java into VM only.  It also fixes most types to be C++.
tested with loom-tier1 and 2.

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Commit messages:
 - Inject StackChunk fields.

Changes: https://git.openjdk.java.net/loom/pull/95/files
 Webrev: https://webrevs.openjdk.java.net/?repo=loom&pr=95&range=00
  Stats: 70 lines in 4 files changed: 21 ins; 21 del; 28 mod
  Patch: https://git.openjdk.java.net/loom/pull/95.diff
  Fetch: git fetch https://git.openjdk.java.net/loom pull/95/head:pull/95

PR: https://git.openjdk.java.net/loom/pull/95