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8268882: C2: assert(n->outcnt() != 0 || C->top() == n || n->is_Proj()) failed: No dead instructions after post-alloc #624

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TheRealMDoerr
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@TheRealMDoerr TheRealMDoerr commented Nov 15, 2021

Clean backport of JDK-8268882.


Progress

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

Issue

  • JDK-8268882: C2: assert(n->outcnt() != 0 || C->top() == n || n->is_Proj()) failed: No dead instructions after post-alloc

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk11u-dev pull/624/head:pull/624
$ git checkout pull/624

Update a local copy of the PR:
$ git checkout pull/624
$ git pull https://git.openjdk.java.net/jdk11u-dev pull/624/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 624

View PR using the GUI difftool:
$ git pr show -t 624

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk11u-dev/pull/624.diff

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@bridgekeeper bridgekeeper bot commented Nov 15, 2021

👋 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 openjdk bot changed the title Backport 0699220830a457959b784b35af125b70f43fa3b0 8268882: C2: assert(n->outcnt() != 0 || C->top() == n || n->is_Proj()) failed: No dead instructions after post-alloc Nov 15, 2021
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@openjdk openjdk bot commented Nov 15, 2021

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

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@openjdk openjdk bot commented Nov 15, 2021

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

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

8268882: C2: assert(n->outcnt() != 0 || C->top() == n || n->is_Proj()) failed: No dead instructions after post-alloc

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.

@openjdk openjdk bot added ready rfr labels Nov 15, 2021
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@mlbridge mlbridge bot commented Nov 15, 2021

Webrevs

@TheRealMDoerr
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@TheRealMDoerr TheRealMDoerr commented Nov 30, 2021

/integrate

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@openjdk openjdk bot commented Nov 30, 2021

Going to push as commit 596816e.
Since your change was applied there have been 58 commits pushed to the master branch:

  • 1f885a1: 8272345: macos doesn't check os::set_boot_path() result
  • e0cb8fa: 8277796: Bump update version for OpenJDK: jdk-11.0.15
  • 22186cb: 8267256: Extend minimal retry for loopback connections on Windows to PlainSocketImpl
  • d92b103: 8252114: Windows-AArch64: Enable and test ZGC and ShenandoahGC
  • 5d99c71: 8255264: Support for identifying the full range of IPv4 localhost addresses on Windows
  • a412974: 8212148: Remove remaining NSK_CPP_STUBs
  • 2ea3786: 8236042: [TESTBUG] serviceability/sa/ClhsdbCDSCore.java fails with -Xcomp -XX:TieredStopAtLevel=1
  • 7f963ca: 8223400: Replace some enums with static const members in hotspot/runtime
  • 1aecb28: 8211899: Remove the NSK_CPP_STUB macros from vmTestbase for jvmti/scenarios/[E-M]
  • ccb0ed3: 8212083: Handle remaining gc/lock native code and fix two strings
  • ... and 48 more: https://git.openjdk.java.net/jdk11u-dev/compare/f8553d3cdbcc360888702a4b2baaa556f13ee78e...master

Your commit was automatically rebased without conflicts.

@openjdk openjdk bot closed this Nov 30, 2021
@openjdk openjdk bot added integrated and removed ready rfr labels Nov 30, 2021
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@openjdk openjdk bot commented Nov 30, 2021

@TheRealMDoerr Pushed as commit 596816e.

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

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