fix crash, check first if the var is in variable_shape

theano/compile/profiling.py

@@ -642,6 +642,7 @@ class ProfileStats(object):
             fct_shapes[node.fgraph].setdefault(node, [])
             sum_dense = 0
             for out in node.outputs:
+                if out in self.variable_shape.keys():
                     sh = self.variable_shape[out]
                     if hasattr(out.type, 'get_size'):
                         v = out.type.get_size(sh)