8272570: C2: crash in PhaseCFG::global_code_motion

[TheRealMDoerr]

Clean backport of JDK-8272570.

---

Progress

• Change must not contain extraneous whitespace
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Issue

• JDK-8272570: C2: crash in PhaseCFG::global_code_motion

Reviewing

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Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk11u-dev pull/462/head:pull/462
$ git checkout pull/462

Update a local copy of the PR:
$ git checkout pull/462
$ git pull https://git.openjdk.java.net/jdk11u-dev pull/462/head

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Checkout this PR locally:
$ git pr checkout 462

View PR using the GUI difftool:
$ git pr show -t 462

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Download this PR as a diff file:
https://git.openjdk.java.net/jdk11u-dev/pull/462.diff

[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.

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

8272570: C2: crash in PhaseCFG::global_code_motion

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.

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[mlbridge]

Webrevs

• 00: Full (6f250162)

[TheRealMDoerr]

/integrate

[openjdk]

Going to push as commit b1bab7f.
Since your change was applied there have been 20 commits pushed to the master branch:

• 58fe5e8: 8273924: ArrayIndexOutOfBoundsException thrown in java.util.JapaneseImperialCalendar.add()
• 881ae69: 8274326: [macos] Ensure initialisation of sun/lwawt/macosx/CAccessibility in JavaComponentAccessibility.m
• 7f5569c: 8254802: ThrowingPushPromisesAsStringCustom.java fails in "try throwing in GET_BODY"
• 620726e: 8262438: sun/security/ssl/SSLLogger/LoggingFormatConsistency.java failed with "SocketException: Socket is closed"
• 76511ca: 8159904: [TEST_BUG] Failure on solaris of java/awt/Window/MultiWindowApp/MultiWindowAppTest.java
• f248ceb: 8265173: [test] divert spurious log output away from stream under test in ProcessBuilder Basic test
• f5e2a9d: 8263897: compiler/c2/aarch64/TestVolatilesSerial.java failed with "java.lang.RuntimeException: Wrong method"
• 89aec26: 8075909: [TEST_BUG] The regression-swing case failed as it does not have the 'Open' button when select 'subdir' folder with NimbusLAF
• 456d4fb: 8159597: [TEST_BUG] closed/javax/swing/JPopupMenu/4760494/bug4760494.java leaves key pressed
• 45d63a8: 8223140: Clean-up in 'ok_to_convert()'
• ... and 10 more: https://git.openjdk.java.net/jdk11u-dev/compare/d86cf10b3425878f58cfdc7dc725905b4d94bf2f...master

Your commit was automatically rebased without conflicts.

[openjdk]

@TheRealMDoerr Pushed as commit b1bab7f.

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