[jdk25u] RFR: 8357396: Refactor nmethod::make_not_entrant to use Enum instead of "const char*"

Wed Oct 1 18:16:11 UTC 2025

Hi all,

This pull request contains a backport of commit [62fde687](https://github.com/openjdk/jdk/commit/62fde687088ce72ef33b94e73babf4bfe1395c17) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Cesar Soares Lucas on 5 Jun 2025 and was reviewed by Manuel Hässig and Aleksey Shipilev.

Thanks!

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Commit messages:
 - Backport 62fde687088ce72ef33b94e73babf4bfe1395c17

Changes: https://git.openjdk.org/jdk25u/pull/259/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk25u&pr=259&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8357396
  Stats: 115 lines in 15 files changed: 80 ins; 4 del; 31 mod
  Patch: https://git.openjdk.org/jdk25u/pull/259.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u.git pull/259/head:pull/259

PR: https://git.openjdk.org/jdk25u/pull/259