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@mrserb mrserb commented Aug 25, 2025

Hi all,

This pull request contains a backport of commit 4abb5e4a from the openjdk/jdk repository.

The commit being backported was authored by Alex Henrie on 23 Jun 2016 and was reviewed by Kim Barrett and Max Ockner.

Thanks!


Progress

  • Change must not contain extraneous whitespace
  • Commit message must refer to an issue
  • JDK-8157758 needs maintainer approval

Issue

  • JDK-8157758: JDK9 does not compile on Linux with GCC 6.1 because left-shifting a negative number has undefined behavior (Bug - P3 - Requested)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk8u-dev.git pull/682/head:pull/682
$ git checkout pull/682

Update a local copy of the PR:
$ git checkout pull/682
$ git pull https://git.openjdk.org/jdk8u-dev.git pull/682/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 682

View PR using the GUI difftool:
$ git pr show -t 682

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk8u-dev/pull/682.diff

Using Webrev

Link to Webrev Comment

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bridgekeeper bot commented Aug 25, 2025

👋 Welcome back serb! 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.

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openjdk bot commented Aug 25, 2025

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

@openjdk openjdk bot changed the title Backport 4abb5e4aafe05871a07d510f002a38298fe4dbb2 8157758: JDK9 does not compile on Linux with GCC 6.1 because left-shifting a negative number has undefined behavior Aug 25, 2025
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openjdk bot commented Aug 25, 2025

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

@openjdk openjdk bot added backport Port of a pull request already in a different code base clean Identical backport; no merge resolution required labels Aug 25, 2025
@mrserb mrserb marked this pull request as ready for review September 4, 2025 17:38
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openjdk bot commented Sep 4, 2025

⚠️ @mrserb This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

@openjdk openjdk bot added the rfr Pull request is ready for review label Sep 4, 2025
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mlbridge bot commented Sep 4, 2025

Webrevs

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mrserb commented Sep 7, 2025

/approval request Clean backport. Fix for a broken build on macOS + XCode 16.4

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openjdk bot commented Sep 7, 2025

@mrserb
8157758: The approval request has been created successfully.

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mrserb commented Sep 7, 2025

The issue is similar to openjdk/jdk11u-dev#3042

@openjdk openjdk bot added the approval Requires approval; will be removed when approval is received label Sep 7, 2025
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approval Requires approval; will be removed when approval is received backport Port of a pull request already in a different code base clean Identical backport; no merge resolution required rfr Pull request is ready for review
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