hotfix: test_jit_copyin

test/test_jit.py

@@ -111,6 +111,15 @@ class TestJit(unittest.TestCase):
         np.testing.assert_allclose(c.numpy(), a.numpy()+b.numpy(), atol=1e-4, rtol=1e-5)
     assert_jit_cache_len(add_array, 1)
 
+  def test_jit_copyin(self):
+    @TinyJit
+    def f(a):
+      return a + Tensor([1,2,3])
+    for _ in range(5):
+      b = Tensor.randn(3)
+      c = f(b)
+      np.testing.assert_allclose(c.numpy(), b.numpy()+[1,2,3], atol=1e-4, rtol=1e-5)
+
   def test_method_jit(self):
     class Fun:
       def __init__(self):