From 33cf8f640bab35c463186ef0856689c22559fbeb Mon Sep 17 00:00:00 2001
From: Peter Zhu <peter@peterzhu.ca>
Date: Fri, 8 Dec 2023 15:17:51 -0500
Subject: Make WeakMap safe for compaction during allocation

During allocation, the table may not have been allocated yet which would
crash in the st_foreach.
---
 test/ruby/test_weakmap.rb | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_weakmap.rb b/test/ruby/test_weakmap.rb
index a30004bce3..0371afa77a 100644
--- a/test/ruby/test_weakmap.rb
+++ b/test/ruby/test_weakmap.rb
@@ -237,6 +237,10 @@ class TestWeakMap < Test::Unit::TestCase
     end;
   end
 
+  def test_gc_compact_stress
+    EnvUtil.under_gc_compact_stress { ObjectSpace::WeakMap.new }
+  end
+
   def test_replaced_values_bug_19531
     a = "A".dup
     b = "B".dup
-- 
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