Fix list remove value error

theano/compile/profiling.py

@@ -948,6 +948,7 @@ class ProfileStats(object):
                                 mem_freed += var_mem[ins]
                             elif ins in view_of:
                                 origin = view_of[ins]
+                                if ins in viewed_by[origin]:
                                     viewed_by[origin].remove(ins)
                                     viewedby_remove[origin].append(ins)
                                 if (not viewed_by[origin] and

theano/gof/vm.py

@@ -982,6 +982,7 @@ class VM_Linker(link.LocalLinker):
                                     pre_allocated.add(out)
                     elif ins in view_of:
                         origin = view_of[ins]
+                        if ins in viewed_by[origin]:
                             viewed_by[origin].remove(ins)
                         if (not viewed_by[origin] and
                                 origin not in fgraph.inputs and