Add assertion

vimeo · Feb 8, 2022 · ed554e5 · ed554e5
1 parent 692fc23
commit ed554e5
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/Psalm/Internal/PhpVisitor/Reflector/FunctionLikeDocblockScanner.php b/src/Psalm/Internal/PhpVisitor/Reflector/FunctionLikeDocblockScanner.php
@@ -1004,6 +1004,9 @@ private static function handleReturn(
                         }
                     }
                 }
+                if (!$new) {
+                    throw new \RuntimeException('Impossible!');
+                }
                 $storage->signature_return_type = new Union($new);
             }