8266018: Shenandoah: fix an incorrect assert

[shipilev]

Clean backport, passes hotspot_gc_shenandoah.

---

Progress

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

Issue

• JDK-8266018: Shenandoah: fix an incorrect assert

Reviewers

• Roman Kennke (@rkennke - Committer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk11u-dev pull/67/head:pull/67
$ git checkout pull/67

Update a local copy of the PR:
$ git checkout pull/67
$ git pull https://git.openjdk.java.net/jdk11u-dev pull/67/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 67

View PR using the GUI difftool:
$ git pr show -t 67

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk11u-dev/pull/67.diff

[bridgekeeper]

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[openjdk]

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

[openjdk]

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

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

8266018: Shenandoah: fix an incorrect assert

Reviewed-by: rkennke

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 2 new commits pushed to the master branch:

• a0958a8: 8210959: JShell fails and exits when statement throws an exception whose message contains a '%'.
• 66d4ee9: 8247421: [TESTBUG] ReturnBlobToWrongHeapTest.java failed allocating blob

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
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.

[mlbridge]

Webrevs

• 00: Full (71a66052)

[shipilev]

Got the approval.

/integrate

[openjdk]

Going to push as commit 80a72de.
Since your change was applied there have been 2 commits pushed to the master branch:

• a0958a8: 8210959: JShell fails and exits when statement throws an exception whose message contains a '%'.
• 66d4ee9: 8247421: [TESTBUG] ReturnBlobToWrongHeapTest.java failed allocating blob

Your commit was automatically rebased without conflicts.

[openjdk]

@shipilev Pushed as commit 80a72de.

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