8299658: C1 compilation crashes in LinearScan::resolve_exception_edge

[TheRealMDoerr]

Clean backport of JDK-8299658.

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8299658: C1 compilation crashes in LinearScan::resolve_exception_edge (Bug - P3)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u.git pull/119/head:pull/119
$ git checkout pull/119

Update a local copy of the PR:
$ git checkout pull/119
$ git pull https://git.openjdk.org/jdk21u.git pull/119/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 119

View PR using the GUI difftool:
$ git pr show -t 119

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u/pull/119.diff

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[bridgekeeper]

👋 Welcome back mdoerr! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

@TheRealMDoerr This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8299658: C1 compilation crashes in LinearScan::resolve_exception_edge

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[mlbridge]

Webrevs

• 00: Full (768e5f53)

[TheRealMDoerr]

/integrate

[openjdk]

Going to push as commit fbc194a.
Since your change was applied there have been 6 commits pushed to the master branch:

• b86a0ce: 8309032: jpackage does not work for module projects unless --module-path is specified
• efb11c1: 8314024: SIGSEGV in PhaseIdealLoop::build_loop_late_post_work due to bad immediate dominator info
• 91e37e9: 8311033: [macos] PrinterJob does not take into account Sides attribute
• 72980bd: 8315051: jdk/jfr/jvm/TestGetEventWriter.java fails with non-JVMCI GCs
• 233076e: 8313626: C2 crash due to unexpected exception control flow
• 33ce611: 8315020: The macro definition for LoongArch64 zero build is not accurate.

Your commit was automatically rebased without conflicts.

[openjdk]

@TheRealMDoerr Pushed as commit fbc194a.

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