[code-reflection] RFR: 8337158: Modeling and lowering of switch statement [v2]

[Mourad Abbay]

> Modeling and lowering of switch statement.

Mourad Abbay has updated the pull request incrementally with two additional commits since the last revision:

 - Lower switch statement
 - Add default label when generating switch code model if enhanced switch and no default label

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Changes:
  - all: https://git.openjdk.org/babylon/pull/211/files
  - new: https://git.openjdk.org/babylon/pull/211/files/07a2f3ee..d96e292e

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=babylon&pr=211&range=01
 - incr: https://webrevs.openjdk.org/?repo=babylon&pr=211&range=00-01

  Stats: 228 lines in 2 files changed: 142 ins; 36 del; 50 mod
  Patch: https://git.openjdk.org/babylon/pull/211.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/211/head:pull/211

PR: https://git.openjdk.org/babylon/pull/211