add test

Author: NKNaN

test/legacy_test/test_math_op_patch_pir.py

@@ -703,6 +703,18 @@ def test_builtin_type_conversion(self):
                 with self.assertRaises(TypeError):
                     complex(x)
 
+    def test_builtin_type_conversion_old_ir(self):
+        with paddle.pir_utils.DygraphOldIrGuard():
+            _, _, program_guard = new_program()
+            with program_guard:
+                x = paddle.static.data(name='x', shape=[], dtype="float32")
+                with self.assertRaises(TypeError):
+                    int(x)
+                with self.assertRaises(TypeError):
+                    float(x)
+                with self.assertRaises(TypeError):
+                    complex(x)
+
     def test_math_exists(self):
         with paddle.pir_utils.IrGuard():
             a = paddle.static.data(name='a', shape=[1], dtype='float32')