[jdk22u] RFR: 8324121: SIGFPE in PhaseIdealLoop::extract_long_range_checks

[Aleksey Shipilev]

Clean backport to improve C2 reliability. 

Additional testing:
 - [x] New test DOES NOT fail without the patch, passes with it
 - [ ] GHA

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Commit messages:
 - Backport 05854fd704cba6ebd73007d9547a064891d49587
 - Backport cb2a6713596548d76c03912709656172b0bbcc76

Changes: https://git.openjdk.org/jdk22u/pull/159/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk22u&pr=159&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8324121
  Stats: 71 lines in 3 files changed: 62 ins; 0 del; 9 mod
  Patch: https://git.openjdk.org/jdk22u/pull/159.diff
  Fetch: git fetch https://git.openjdk.org/jdk22u.git pull/159/head:pull/159

PR: https://git.openjdk.org/jdk22u/pull/159