1 files changed, 19 insertions, 0 deletions
diff --git a/test/-ext-/vm/test_at_exit.rb b/test/-ext-/vm/test_at_exit.rb
new file mode 100644
index 0000000000..61ad831792
--- /dev/null
+++ b/test/-ext-/vm/test_at_exit.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: false
+class TestVM < Test::Unit::TestCase
+
+  # [Bug #12095]
+  def test_at_exit
+
+    assert_in_out_err([], <<-"end;", %w[begin end]) # do
+      require '-test-/vm/at_exit'
+      Bug::VM.register_at_exit(false)
+      1000.times do
+        Bug::VM.register_at_exit(nil)
+        ["x"]*1000
+      end
+      GC.start
+      Bug::VM.register_at_exit(true)
+    end;
+  end
+end
+