[Bug 2049911] [NEW] ruby-immutable-ruby: : FTBFS with glibc 2.39 snapshot

[Ravi Kant Sharma]

Public bug reported:

During the recent test rebuilds, one of the rebuild configurations was
against a snapshot of the upcoming glibc 2.39.

ruby-immutable-ruby failed to build in that configuration with the
error.

Failure/Error: expect(sorted_set.to_a).to eq([7,1,2,10]) expected: [7,
1, 2, 10] got: [7, 8, 2, 10]

This has been confirmed locally with a more recent snapshot.

See https://launchpad.net/ubuntu/+archive/test-rebuild-20231215-noble-
glibc/+build/27536849/+files/buildlog_ubuntu-noble-amd64.ruby-immutable-
ruby_0.1.0-2_BUILDING.txt.gz for full logs,
https://people.canonical.com/~ginggs/ftbfs-report/test-
rebuild-20231215-noble-glibc-noble.html for the glibc rebuild report,
and https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/glibc for
the most recent glibc snapshot.

** Affects: glibc (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: ruby-immutable-ruby (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: test-rebuild-glibc-noble

** Also affects: glibc (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/2049911

Title:
  ruby-immutable-ruby: : FTBFS with glibc 2.39 snapshot

Status in glibc package in Ubuntu:
  New
Status in ruby-immutable-ruby package in Ubuntu:
  New

Bug description:
  During the recent test rebuilds, one of the rebuild configurations was
  against a snapshot of the upcoming glibc 2.39.

  ruby-immutable-ruby failed to build in that configuration with the
  error.

  Failure/Error: expect(sorted_set.to_a).to eq([7,1,2,10]) expected: [7,
  1, 2, 10] got: [7, 8, 2, 10]

  This has been confirmed locally with a more recent snapshot.

  See https://launchpad.net/ubuntu/+archive/test-rebuild-20231215-noble-
  glibc/+build/27536849/+files/buildlog_ubuntu-noble-amd64.ruby-
  immutable-ruby_0.1.0-2_BUILDING.txt.gz for full logs,
  https://people.canonical.com/~ginggs/ftbfs-report/test-
  rebuild-20231215-noble-glibc-noble.html for the glibc rebuild report,
  and https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/glibc
  for the most recent glibc snapshot.

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