[jdk17u-dev] RFR: 8288754: GCC 12 fails to build zReferenceProcessor.cpp [v2]

[Aleksey Shipilev]

> Clean backport to improve GCC 12 support.

Aleksey Shipilev has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'master' into JDK-8288754-gcc12-zgc
 - Backport 834d92dd72257ab5d8c6759028098ac0867c5752

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Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/499/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/499/files/6482ac5f..06d31f98

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=499&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=499&range=00-01

  Stats: 18925 lines in 590 files changed: 12021 ins; 3937 del; 2967 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/499.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/499/head:pull/499

PR: https://git.openjdk.org/jdk17u-dev/pull/499