try using set updates

xdslproject · May 21, 2024 · 8b06f3f · 8b06f3f
1 parent ae8b7de
commit 8b06f3f
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/xdsl/ir/core.py b/xdsl/ir/core.py
@@ -670,7 +670,12 @@ def parse_element() -> set[EnumType]:
             if flags is None:
                 return tuple()
 
-            return tuple(set().union(*flags))
+            res = set[EnumType]()
+
+            for flag_set in flags:
+                res |= flag_set
+
+            return tuple(res)
 
     def print_parameter(self, printer: Printer):
         with printer.in_angle_brackets():