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8267317: Remove DeferredTypeCompleter #4091



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@mcimadamore mcimadamore commented May 18, 2021

This pathc removes DeferredTypeCompleter, which seems like a dubious abstraction. In its place there is now a complete method on DeferredType which is overridden by ArgumentType. The only problematic usage is from StructuralStuckChecker, but after inspecting the code I realized that the only side effect this code expected from calling DeferredType::check was to set the deferred type mode to SPECULATIVE, which we can easily do inline.


  • Change must not contain extraneous whitespace
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Using git

Checkout this PR locally:
$ git fetch pull/4091/head:pull/4091
$ git checkout pull/4091

Update a local copy of the PR:
$ git checkout pull/4091
$ git pull pull/4091/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 4091

View PR using the GUI difftool:
$ git pr show -t 4091

Using diff file

Download this PR as a diff file:

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@bridgekeeper bridgekeeper bot commented May 18, 2021

👋 Welcome back mcimadamore! 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 added the rfr label May 18, 2021
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@openjdk openjdk bot commented May 18, 2021

@mcimadamore The following label will be automatically applied to this pull request:

  • compiler

When this pull request is ready to be reviewed, an "RFR" email will be sent to the corresponding mailing list. If you would like to change these labels, use the /label pull request command.


@openjdk openjdk bot added the compiler label May 18, 2021
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@mlbridge mlbridge bot commented May 18, 2021



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@openjdk openjdk bot commented May 24, 2021

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

ℹ️ This project also has non-automated pre-integration requirements. Please see the file for details.

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

8267317: Remove DeferredTypeCompleter

Reviewed-by: vromero

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 106 new commits pushed to the master branch:

  • c519ba2: 8267614: Outline VarHandleGuards exact behavior checks
  • f690959: 8267446: Taskqueue code fails with assert(bottom_relaxed() == age_top_relaxed()) failed: not empty
  • ebc9357: 8267329: Modernize Javadoc code to use instanceof with pattern matching
  • 209769b: 8267347: CDS record_linking_constraint asserts with unregistered class
  • a5467ae: 8267423: Fix copyrights in jpackage tests
  • bb085f6: 8265362: java/net/Socket/ fails with " Address already in use" (macos-aarch64)
  • 640a2af: 8267184: Add to tests calling System.setSecurityManager
  • f04db5f: 8224158: assertion related to NPE at DynamicCallSiteDesc::withArgs should be reworded
  • 838a007: 8267584: The system property only needs to be defined once
  • f2d880c: 8266400: importkeystore fails to a password less pkcs12 keystore
  • ... and 96 more:

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.


@openjdk openjdk bot added the ready label May 24, 2021
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@mcimadamore mcimadamore commented May 25, 2021



@openjdk openjdk bot closed this May 25, 2021
@openjdk openjdk bot added integrated and removed ready rfr labels May 25, 2021
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@openjdk openjdk bot commented May 25, 2021

@mcimadamore Since your change was applied there have been 117 commits pushed to the master branch:

  • b403d39: 8267213: cpuinfo_segv is incorrectly triaged as execution protection violation on x86_32
  • 66b190e: 8267612: Declare package-private VarHandle.AccessMode/AccessType counts
  • a52c4ed: 8267110: Update java.util to use instanceof pattern variable
  • 0a03fc8: 8255674: SSLEngine class description is missing "case" in switch statement
  • d86f916: 8267066: New NSAccessibility peers should return they roles and subroles directly
  • 31d0f0d: 8248843: java in source-file mode suggests javac-only options
  • 2e8812d: 8265129: Add intrinsic support for JVM.getClassId
  • 123cdd1: 8264973: AArch64: Optimize vector max/min/add reduction of two integers with NEON pairwise instructions
  • b4d4884: 8267126: javadoc should show "line and caret" for diagnostics.
  • 461a3fe: 8261478: InstanceKlass::set_classpath_index does not match comments
  • ... and 107 more:

Your commit was automatically rebased without conflicts.

Pushed as commit 86a8f44.

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


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