[code-reflection] RFR: BytecodeGenerator support of lambdas [v3]

[Adam Sotona]

> BytecodeGenerator support of lambdas

Adam Sotona has updated the pull request incrementally with one additional commit since the last revision:

  applied suggested changes

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Changes:
  - all: https://git.openjdk.org/babylon/pull/48/files
  - new: https://git.openjdk.org/babylon/pull/48/files/e0a9a35d..f36be24f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=babylon&pr=48&range=02
 - incr: https://webrevs.openjdk.org/?repo=babylon&pr=48&range=01-02

  Stats: 126 lines in 5 files changed: 59 ins; 22 del; 45 mod
  Patch: https://git.openjdk.org/babylon/pull/48.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/48/head:pull/48

PR: https://git.openjdk.org/babylon/pull/48