RFR: 8308286 Fix clang warnings in linux code [v2]

Mon May 29 22:29:26 UTC 2023

> When using the clang compiler to build OpenJDk on Linux, we encounter various "warnings as errors".
> They can be fixed with small changes.

Artem Semenov has updated the pull request incrementally with one additional commit since the last revision:

  update

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/14033/files
  - new: https://git.openjdk.org/jdk/pull/14033/files/86077cdf..3f343c26

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=14033&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=14033&range=00-01

  Stats: 134 lines in 15 files changed: 12 ins; 122 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/14033.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14033/head:pull/14033

PR: https://git.openjdk.org/jdk/pull/14033