Disable test value only for the linker

theano/compile/function_module.py

@@ -1799,15 +1799,15 @@ def orig_function(inputs, outputs, mode=None, accept_inplace=False,
     fn = None
     try:
         Maker = getattr(mode, 'function_maker', FunctionMaker)
-        with theano.configparser.change_flags(compute_test_value="off"):
-            fn = Maker(inputs,
+        m = Maker(inputs,
                        outputs,
                        mode,
                        accept_inplace=accept_inplace,
                        profile=profile,
                        on_unused_input=on_unused_input,
-                       output_keys=output_keys).create(
-                           defaults)
+                       output_keys=output_keys)
+        with theano.configparser.change_flags(compute_test_value="off"):
+            fn = m.create(defaults)
     finally:
         t2 = time.time()
         if fn and profile: