Update

vimeo · Jun 23, 2022 · c9bebee · c9bebee
1 parent 3dca746
commit c9bebee
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Psalm/Internal/PhpVisitor/Reflector/FunctionLikeDocblockScanner.php b/src/Psalm/Internal/PhpVisitor/Reflector/FunctionLikeDocblockScanner.php
@@ -1011,7 +1011,7 @@ private static function handleReturn(
                             $storage->signature_return_type
                         )
                     ) {
-                        $storage->return_type->addType(new TNull());
+                        $storage->return_type = $storage->return_type->getBuilder()->addType(new TNull())->freeze();
                     }
                 }
             }