1 files changed, 20 insertions, 0 deletions
diff --git a/test/ruby/test_zjit.rb b/test/ruby/test_zjit.rb
index 5c4875e3dd..9eca30c787 100644
--- a/test/ruby/test_zjit.rb
+++ b/test/ruby/test_zjit.rb
@@ -1043,6 +1043,26 @@ class TestZJIT < Test::Unit::TestCase
     }
   end
 
+  def test_defined_with_defined_values
+    assert_compiles '["constant", "method", "global-variable"]', %q{
+      class Foo; end
+      def bar; end
+      $ruby = 1
+
+      def test = return defined?(Foo), defined?(bar), defined?($ruby)
+
+      test
+    }, insns: [:defined]
+  end
+
+  def test_defined_with_undefined_values
+    assert_compiles '[nil, nil, nil]', %q{
+      def test = return defined?(Foo), defined?(bar), defined?($ruby)
+
+      test
+    }, insns: [:defined]
+  end
+
   def test_defined_yield
     assert_compiles "nil", "defined?(yield)"
     assert_compiles '[nil, nil, "yield"]', %q{