[code-reflection] RFR: Condition body of if or while or do-while should yield a boolean value

[Mourad Abbay]

Condition body of if or while or do-while should yield a boolean value

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Commit messages:
 - Condition body of if or while or do-while should yield a boolean value.

Changes: https://git.openjdk.org/babylon/pull/193/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=193&range=00
  Stats: 106 lines in 3 files changed: 106 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/babylon/pull/193.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/193/head:pull/193

PR: https://git.openjdk.org/babylon/pull/193