Update devito/ir/iet/visitors.py

Co-authored-by: Ed Caunt <[email protected]>

Author: JDBetteridge

devito/ir/iet/visitors.py

@@ -508,7 +508,7 @@ def visit_PointerCast(self, o):
                 elif isinstance(o.obj, DeviceMap):
                     v = f._C_field_dmap
                 else:
-                    raise AssertionError('rvalue is not a recognised type')
+                    raise TypeError('rvalue is not a recognised type')
 
                 rvalue = f'({cstr} {rshape}) {f._C_name}->{v}'
             else: