8328702: C2: Crash during parsing because sub type check is not folded

[chhagedorn]

Hi all,

This pull request contains a backport of commit e5e21a8a from the openjdk/jdk repository.

The commit being backported was authored by Christian Hagedorn on 4 Apr 2024 and was reviewed by Roland Westrelin and Vladimir Kozlov.

Thanks!

---

Progress

• Change must not contain extraneous whitespace
• JDK-8328702 needs maintainer approval
• Commit message must refer to an issue

Issue

• JDK-8328702: C2: Crash during parsing because sub type check is not folded (Bug - P2 - Approved)

Reviewers

• Tobias Hartmann (@TobiHartmann - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk22u.git pull/125/head:pull/125
$ git checkout pull/125

Update a local copy of the PR:
$ git checkout pull/125
$ git pull https://git.openjdk.org/jdk22u.git pull/125/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 125

View PR using the GUI difftool:
$ git pr show -t 125

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk22u/pull/125.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back chagedorn! 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]

@chhagedorn 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:

8328702: C2: Crash during parsing because sub type check is not folded

Reviewed-by: thartmann

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 11 new commits pushed to the master branch:

• 22230b3: 8326521: JFR: CompilerPhase event test fails on windows 32 bit
• 3d6bd8e: 8328604: remove on_aix() function
• 92d6fa4: 8325579: Inconsistent behavior in com.sun.jndi.ldap.Connection::createSocket
• 20d95c5: 8327468: Do not restart close if errno is EINTR [macOS/linux]
• 8f0f42b: 8328709: AIX os::get_summary_cpu_info support Power 10
• 083f9d1: 8328776: [AIX] remove checked_vmgetinfo, use vmgetinfo directly
• 95772e6: 8329013: StackOverflowError when starting Apache Tomcat with signed jar
• 5d7f7da: 8325567: jspawnhelper without args fails with segfault
• 8d7d8a4: 8328638: Fallback option for POST-only OCSP requests
• 2374d1e: 8328988: [macos14] Problem list LightweightEventTest.java which fails due to macOS bug described in JDK-8322653
• ... and 1 more: https://git.openjdk.org/jdk22u/compare/e2d6c5ec6211ef59d76f699d06888d404cfd9cb4...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[openjdk]

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

[openjdk]

⚠️ @chhagedorn This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[mlbridge]

Webrevs

• 00: Full (c37d9f5f)

[chhagedorn]

Thanks Tobias for your review!

/integrate

[openjdk]

Going to push as commit 817cf13.
Since your change was applied there have been 12 commits pushed to the master branch:

• 98a63a8: 8328589: unify os::breakpoint among posix platforms
• 22230b3: 8326521: JFR: CompilerPhase event test fails on windows 32 bit
• 3d6bd8e: 8328604: remove on_aix() function
• 92d6fa4: 8325579: Inconsistent behavior in com.sun.jndi.ldap.Connection::createSocket
• 20d95c5: 8327468: Do not restart close if errno is EINTR [macOS/linux]
• 8f0f42b: 8328709: AIX os::get_summary_cpu_info support Power 10
• 083f9d1: 8328776: [AIX] remove checked_vmgetinfo, use vmgetinfo directly
• 95772e6: 8329013: StackOverflowError when starting Apache Tomcat with signed jar
• 5d7f7da: 8325567: jspawnhelper without args fails with segfault
• 8d7d8a4: 8328638: Fallback option for POST-only OCSP requests
• ... and 2 more: https://git.openjdk.org/jdk22u/compare/e2d6c5ec6211ef59d76f699d06888d404cfd9cb4...master

Your commit was automatically rebased without conflicts.

[openjdk]

@chhagedorn Pushed as commit 817cf13.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.