From 8d4e7410797023dffe0d472a133cbfb1b4186ab6 Mon Sep 17 00:00:00 2001
From: Jean Boussier <jean.boussier@gmail.com>
Date: Mon, 25 Jan 2021 10:01:49 +0100
Subject: [PATCH] Run GC.verify_compaction_references on CI

---
 spec/spec_helper.rb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 08b660b89..b0bf598aa 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -4,6 +4,12 @@
 require 'yaml'
 DatabaseCredentials = YAML.load_file('spec/configuration.yml')
 
+if GC.respond_to?(:verify_compaction_references)
+  # This method was added in Ruby 3.0.0. Calling it this way asks the GC to
+  # move objects around, helping to find object movement bugs.
+  GC.verify_compaction_references(double_heap: true, toward: :empty)
+end
+
 RSpec.configure do |config|
   config.disable_monkey_patching!