From 06049fe98ef6eced6ccf6028621f3e10edeedccb Mon Sep 17 00:00:00 2001
From: KJ Tsanaktsidis <ktsanaktsidis@zendesk.com>
Date: Thu, 28 Mar 2024 15:57:10 +1100
Subject: Backport https://github.com/ruby/ruby/pull/9240 to Ruby 3.2

Merged into master in 7ba2506232d3fa6c4e82e3708c0ff746a1a8de5c

[Bug #20050]
---
 test/ruby/test_hash.rb | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_hash.rb b/test/ruby/test_hash.rb
index 8d36cf657f..639c0105c0 100644
--- a/test/ruby/test_hash.rb
+++ b/test/ruby/test_hash.rb
@@ -2246,4 +2246,24 @@ class TestHash < Test::Unit::TestCase
       end;
     end
   end
+
+  def test_ar_hash_to_st_hash
+    assert_normal_exit("#{<<~"begin;"}\n#{<<~'end;'}", 'https://bugs.ruby-lang.org/issues/20050#note-5')
+    begin;
+      srand(0)
+      class Foo
+        def to_a
+          []
+        end
+        def hash
+          $h.delete($h.keys.sample) if rand < 0.1
+          to_a.hash
+        end
+      end
+      1000.times do
+        $h = {}
+        (0..10).each {|i| $h[Foo.new] ||= {} }
+      end
+    end;
+  end
 end
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