fix: Enums

Author: BobTheBuidler

mypyc/irbuild/builder.py

@@ -124,7 +124,7 @@
 )
 from mypyc.irbuild.util import bytes_from_str, is_constant
 from mypyc.options import CompilerOptions
-from mypyc.primitives.dict_ops import true_dict_get_item_op, true_dict_set_item_op
+from mypyc.primitives.dict_ops import dict_set_item_op, true_dict_get_item_op, true_dict_set_item_op
 from mypyc.primitives.generic_ops import iter_op, next_op, py_setattr_op
 from mypyc.primitives.list_ops import list_get_item_unsafe_op, list_pop_last, to_list
 from mypyc.primitives.misc_ops import check_unpack_count_op, get_module_dict_op, import_op
@@ -431,7 +431,9 @@ def add_to_non_ext_dict(
     ) -> None:
         # Add an attribute entry into the class dict of a non-extension class.
         key_unicode = self.load_str(key)
-        self.primitive_op(true_dict_set_item_op, [non_ext.dict, key_unicode, val], line)
+        # must use `dict_set_item_op` instead of `true_dict_set_item_op` because
+        # it breaks enums, and probably other stuff, if we take the fast path.
+        self.primitive_op(dict_set_item_op, [non_ext.dict, key_unicode, val], line)
 
     def gen_import(self, id: str, line: int) -> None:
         self.imports[id] = None