8283441: C2: segmentation fault in ciMethodBlocks::make_block_at(int)

[yan-too]

Backporting the fix to be on par with LTS releases. Non-ignored hotspot tests run fine.

---

Progress

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

Issue

• JDK-8283441: C2: segmentation fault in ciMethodBlocks::make_block_at(int)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk13u-dev pull/394/head:pull/394
$ git checkout pull/394

Update a local copy of the PR:
$ git checkout pull/394
$ git pull https://git.openjdk.org/jdk13u-dev pull/394/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 394

View PR using the GUI difftool:
$ git pr show -t 394

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk13u-dev/pull/394.diff

[bridgekeeper]

👋 Welcome back yan! 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]

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

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

8283441: C2: segmentation fault in ciMethodBlocks::make_block_at(int)

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

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

[mlbridge]

Webrevs

• 00: Full (ef05fb72)

[yan-too]

/integrate

[openjdk]

Going to push as commit bd0ca30.

[openjdk]

@yan-too Pushed as commit bd0ca30.

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