+
+    def test_charp2str(self):
+        def f(a):
+            return len(rffi.charp2str(a))
+
+        t, ra = self.translate(f, [rffi.CCHARP])
+        ra.do_ignore_memory_error()
+        result = ra.analyze_direct_call(graphof(t, f))
+        assert not result # ignore AssertionError
+