From 63d3e265c0ec08e215cc907f0b62457156492eef Mon Sep 17 00:00:00 2001
From: Markus Staab <maggus.staab@googlemail.com>
Date: Thu, 1 Jan 2026 11:36:58 +0100
Subject: [PATCH] Prevent unnecessary node-key calculation

---
 src/Analyser/MutatingScope.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Analyser/MutatingScope.php b/src/Analyser/MutatingScope.php
index d42abaaecc..d9bd865357 100644
--- a/src/Analyser/MutatingScope.php
+++ b/src/Analyser/MutatingScope.php
@@ -4725,7 +4725,7 @@ public function filterBySpecifiedTypes(SpecifiedTypes $specifiedTypes): self
 			} else {
 				$scope = $scope->removeTypeFromExpression($expr, $type);
 			}
-			$specifiedExpressions[$this->getNodeKey($expr)] = ExpressionTypeHolder::createYes($expr, $scope->getType($expr));
+			$specifiedExpressions[$typeSpecification['exprString']] = ExpressionTypeHolder::createYes($expr, $scope->getType($expr));
 		}
 
 		$conditions = [];