PostgresqlTimestampFixtureTest#test_bc_timestamp fails with Ruby 3.2.0dev

[yahonda]

Managed to reproduce https://buildkite.com/rails/rails/builds/88721#0182816a-1029-4874-89ee-60d75993d2ce/1046-1057

Steps to reproduce

1. Install Ruby 3.2.0dev that includes https://github.com/ruby/ruby/commit/e07d450deae500422b7693a30c75c5b1567601a

2. Execute these steps

git clone https://github.com/rails/rails
cd rails
rm Gemfile.lock
bundle install
cd activerecord
ARCONN=postgresql bin/test test/cases/adapters/postgresql/timestamp_test.rb -n test_bc_timestamp

Expected behavior

It should pass.

Actual behavior

$ ARCONN=postgresql bin/test test/cases/adapters/postgresql/timestamp_test.rb -n test_bc_timestamp
Using postgresql
Run options: -n test_bc_timestamp --seed 15322

# Running:

F

Failure:
PostgresqlTimestampFixtureTest#test_bc_timestamp [/home/yahonda/src/github.com/rails/rails/activerecord/test/cases/adapters/postgresql/timestamp_test.rb:150]:
Expected: Thu, 25 Dec -0001
  Actual: -0001-12-25 00:00:00 UTC


bin/test test/cases/adapters/postgresql/timestamp_test.rb:147



Finished in 0.082358s, 12.1421 runs/s, 12.1421 assertions/s.
1 runs, 1 assertions, 1 failures, 0 errors, 0 skips
$

System configuration

Rails version: main branch

Ruby version: ruby 3.2.0dev (2022-08-08T14:50:17Z master e07d450dea) [x86_64-linux]

[yahonda]

Addressed by https://github.com/rails/rails/commit/43a6b4fc0f7902e682d49933f84fa84642282393