RFR: Freeze functions [v6]

[Robbin Ehn]

> Freeze functions

Robbin Ehn has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:

  Freeze funcs

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Changes:
  - all: https://git.openjdk.java.net/loom/pull/156/files
  - new: https://git.openjdk.java.net/loom/pull/156/files/ee1b87f2..580d79b5

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=loom&pr=156&range=05
 - incr: https://webrevs.openjdk.java.net/?repo=loom&pr=156&range=04-05

  Stats: 63 lines in 1 file changed: 2 ins; 4 del; 57 mod
  Patch: https://git.openjdk.java.net/loom/pull/156.diff
  Fetch: git fetch https://git.openjdk.java.net/loom pull/156/head:pull/156

PR: https://git.openjdk.java.net/loom/pull/156