[jdk21u-dev] RFR: 8342330: C2: "node pinned on loop exit test?" assert failure [v2]

[Satyen Subramaniam]

> Backporting JDK-8342330: C2: "node pinned on loop exit test?" assert failure. Adjusts condition to avoid assert failure edge case. Ran GHA Sanity Checks, local Tier 1 and 2, and new test. Patch is clean.

Satyen Subramaniam 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 8342330
 - Backport 004aaea76db091569aa88eeb6b08db3408f288cd

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Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/1811/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/1811/files/f0c6548c..6ff41269

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1811&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1811&range=00-01

  Stats: 29088 lines in 2031 files changed: 10322 ins; 6003 del; 12763 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1811.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1811/head:pull/1811

PR: https://git.openjdk.org/jdk21u-dev/pull/1811