1 files changed, 8 insertions, 0 deletions
diff --git a/bootstraptest/test_yjit.rb b/bootstraptest/test_yjit.rb
index 966a5f3002..d82f3de95e 100644
--- a/bootstraptest/test_yjit.rb
+++ b/bootstraptest/test_yjit.rb
@@ -3066,3 +3066,11 @@ assert_equal '10', %q{
 
   a.length
 }
+
+# checktype
+assert_equal 'false', %q{
+    def function()
+        [1, 2] in [Integer, String]
+    end
+    function()
+}