1 files changed, 15 insertions, 0 deletions
diff --git a/test/objspace/test_objspace.rb b/test/objspace/test_objspace.rb
index faa22f1424..a9b902ed45 100644
--- a/test/objspace/test_objspace.rb
+++ b/test/objspace/test_objspace.rb
@@ -350,6 +350,21 @@ class TestObjSpace < Test::Unit::TestCase
     RUBY
   end
 
+  def test_trace_object_allocations_does_not_reuse_freed_allocation_info
+    assert_separately(%w(-robjspace), <<~RUBY)
+      ObjectSpace.trace_object_allocations do
+        1_000_000.times.map { Object.new }
+      end
+
+      GC.start
+
+      objs = 1_000_000.times.map { Object.new }
+
+      leaked = objs.count { |obj| ObjectSpace.allocation_sourcefile(obj) }
+      assert_equal 0, leaked
+    RUBY
+  end
+
   def test_dump_flags
     # Ensure that the fstring is promoted to old generation
     4.times { GC.start }