[jdk26] RFR: 8370200: Crash: assert(outer->outcnt() >= phis + 2 - be_loads && outer->outcnt() <= phis + 2 + stores + 1) failed: only phis

Mon Jan 5 16:30:31 UTC 2026

Hi all,

This pull request contains a backport of commit [2ba423db](https://github.com/openjdk/jdk/commit/2ba423db9925355348106fc9fcf84450123d2605) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Roland Westrelin on 18 Dec 2025 and was reviewed by Roberto Castañeda Lozano, Daniel Lundén and Damon Fenacci.

Thanks!

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Commit messages:
 - Backport 2ba423db9925355348106fc9fcf84450123d2605

Changes: https://git.openjdk.org/jdk/pull/29041/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=29041&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8370200
  Stats: 195 lines in 6 files changed: 173 ins; 16 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/29041.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/29041/head:pull/29041

PR: https://git.openjdk.org/jdk/pull/29041