[jdk17u] RFR: 8272574: C2: assert(false) failed: Bad graph detected in build_loop_late

[Tobias Hartmann]

Backport of [JDK-8272574](https://bugs.openjdk.java.net/browse/JDK-8272574). Applies cleanly. Approval is pending.

Thanks,
Tobias

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Commit messages:
 - 8272574: C2: assert(false) failed: Bad graph detected in build_loop_late

Changes: https://git.openjdk.java.net/jdk17u/pull/97/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u&pr=97&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8272574
  Stats: 96 lines in 4 files changed: 91 ins; 0 del; 5 mod
  Patch: https://git.openjdk.java.net/jdk17u/pull/97.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u pull/97/head:pull/97

PR: https://git.openjdk.java.net/jdk17u/pull/97