8258243: C2: assert failed ("Bad derived pointer") with -XX:+VerifyRegisterAllocator

[TobiHartmann]

Backport of JDK-8258243. Applies cleanly.

---

Progress

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

Issue

• JDK-8258243: C2: assert failed ("Bad derived pointer") with -XX:+VerifyRegisterAllocator

Reviewers

• Vladimir Ivanov (@iwanowww - Reviewer)
• Vladimir Kozlov (@vnkozlov - Reviewer)

Download

$ git fetch https://git.openjdk.java.net/jdk16u pull/10/head:pull/10
$ git checkout pull/10

[bridgekeeper]

👋 Welcome back thartmann! 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]

@TobiHartmann 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:

8258243: C2: assert failed ("Bad derived pointer") with -XX:+VerifyRegisterAllocator

Reviewed-by: vlivanov, kvn

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 no new commits pushed to the master branch. If another commit should be pushed before you perform the /integrate command, your PR will be automatically rebased. If you prefer to avoid any potential 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.

[mlbridge]

Webrevs

• 00: Full (fd088e4)

[vnkozlov]

Good.

[TobiHartmann]

Thanks for the reviews, Vladimir and Vladimir!

[TobiHartmann]

/integrate

[openjdk]

@TobiHartmann Since your change was applied there has been 1 commit pushed to the master branch:

• 62e53c8: 8258946: Fix optimization-unstable code involving signed integer overflow

Your commit was automatically rebased without conflicts.

Pushed as commit 19b86c4.

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