Check the view_map for all type of variable.

theano/compile/debugmode.py

@@ -780,13 +780,6 @@ def _check_viewmap(node, storage_map):
         outstorage = storage_map[onode][0]
         instorage_id = [id(storage_map[i][0]) for i in node.inputs]
 
-        # TODO: investigate ways in which other Types may be aliased
-        # TODO: consider adding a function to Type to detect aliasing
-        danger_flag = id(outstorage) in instorage_id or\
-                      (type(outstorage)==numpy.ndarray and
-                       outstorage.flags['OWNDATA']==False)
-
-        if danger_flag:
         # first find out which input it aliases
         view_map = getattr(node.op, 'view_map', {})
         destroy_map = getattr(node.op, 'destroy_map', {})
@@ -803,8 +796,8 @@ def _check_viewmap(node, storage_map):
                 bad_alias[nodeid] = ii
 
                 # check that the aliasing was declared in [view|destroy]_map
-                    if ([ii]==view_map.get(oi,None) or\
-                        [ii]==destroy_map.get(oi,None)):
+                if ([ii] == view_map.get(oi, None) or
+                    [ii] == destroy_map.get(oi, None)):
 
                     good_alias[nodeid] = bad_alias.pop(nodeid)
 
@@ -819,7 +812,8 @@ def _check_viewmap(node, storage_map):
         #if its not aliased to input, check output->output aliasing
         if not good_alias and _is_used_in_graph(onode):
             for other_oi, other_onode in enumerate(node.outputs):
-                if other_oi == oi: continue
+                if other_oi == oi:
+                    continue
 
                 other_storage = storage_map[other_onode][0]
                 # check to see if we share memory with this other output