[jdk17u-dev] RFR: 8326638: Crash in PhaseIdealLoop::remix_address_expressions due to unexpected Region instead of Loop [v2]

[Andrew Lu]

> I backport this for parity with 17.0.11-oracle.
> No code change, only code line change in src/hotspot/share/opto/loopopts.cpp, so make it clean.

Andrew Lu 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 'openjdk:master' into andrewLu_backport_8326638
 - Backport 9f0e7da64e21237322e55ca4f0e3639fa5d1c4ed

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Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/2265/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/2265/files/8f4b9d08..1735a69f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2265&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2265&range=00-01

  Stats: 67 lines in 8 files changed: 55 ins; 6 del; 6 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2265.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2265/head:pull/2265

PR: https://git.openjdk.org/jdk17u-dev/pull/2265