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8283408: Fix a C2 crash when filling arrays with unsafe #58

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@TobiHartmann TobiHartmann commented Mar 29, 2022

Backport of JDK-8283408. Applies cleanly. Approval is pending.

Thanks,
Tobias


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Issue

  • JDK-8283408: Fix a C2 crash when filling arrays with unsafe

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Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk18u pull/58/head:pull/58
$ git checkout pull/58

Update a local copy of the PR:
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$ git pull https://git.openjdk.java.net/jdk18u pull/58/head

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$ git pr checkout 58

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https://git.openjdk.java.net/jdk18u/pull/58.diff

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bridgekeeper bot commented Mar 29, 2022

👋 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 openjdk bot changed the title Backport a6740c010b7d37f991c8547be6ea72b198e9094f 8283408: Fix a C2 crash when filling arrays with unsafe Mar 29, 2022
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openjdk bot commented Mar 29, 2022

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

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openjdk bot commented Mar 29, 2022

@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:

8283408: Fix a C2 crash when filling arrays with unsafe

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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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@openjdk openjdk bot added ready Pull request is ready to be integrated rfr Pull request is ready for review labels Mar 29, 2022
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mlbridge bot commented Mar 29, 2022

Webrevs

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/integrate

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openjdk bot commented Apr 4, 2022

@TobiHartmann Unable to acquire the integration lock; aborting integration. The error has been logged and will be investigated.

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/integrate

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openjdk bot commented Apr 4, 2022

Going to push as commit 29c7f1c.
Since your change was applied there have been 31 commits pushed to the master branch:

  • c9b8589: 8282590: C2: assert(addp->is_AddP() && addp->outcnt() > 0) failed: Don't process dead nodes
  • 650fbf8: 8283451: C2: assert(_base == Long) failed: Not a Long
  • 7ca0b98: 8283187: C2: loop candidate for superword not always unrolled fully if superword fails
  • 3658f57: 8275337: C1: assert(false) failed: live_in set of first block must be empty
  • bb950ee: 8282231: x86-32: runtime call to SharedRuntime::ldiv corrupts registers
  • 84441e6: 8272493: Suboptimal code generation around Preconditions.checkIndex intrinsic with AVX2
  • 33a5dbb: 8277055: Assert "missing inlining msg" with -XX:+PrintIntrinsics
  • 4ac1e9a: 8282172: CompileBroker::log_metaspace_failure is called from non-Java/compiler threads
  • 1417c0f: 8282312: Minor corrections to evbroadcasti32x4 intrinsic on x86
  • 623cc73: 8271055: Crash during deoptimization with "assert(bb->is_reachable()) failed: getting result from unreachable basicblock" with -XX:+VerifyStack
  • ... and 21 more: https://git.openjdk.java.net/jdk18u/compare/9327634e982314733f4126a1106be8e452f19f58...master

Your commit was automatically rebased without conflicts.

@openjdk openjdk bot added the integrated Pull request has been integrated label Apr 4, 2022
@openjdk openjdk bot closed this Apr 4, 2022
@openjdk openjdk bot removed ready Pull request is ready to be integrated rfr Pull request is ready for review labels Apr 4, 2022
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openjdk bot commented Apr 4, 2022

@TobiHartmann Pushed as commit 29c7f1c.

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

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