Inline conditionalExpressionHolderMatches to avoid duplicating equals call

Remove the separate method and inline the isSuperTypeOf check directly
at the call site, since the equals() check is already performed in the
surrounding code.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: phpstan-bot

src/Analyser/MutatingScope.php

@@ -2144,19 +2144,6 @@ public function enterAnonymousFunctionWithoutReflection(
 		);
 	}
 
-	private function conditionalExpressionHolderMatches(ExpressionTypeHolder $specified, ExpressionTypeHolder $condition): bool
-	{
-		if ($specified->equals($condition)) {
-			return true;
-		}
-
-		if (!$specified->getCertainty()->equals($condition->getCertainty())) {
-			return false;
-		}
-
-		return $condition->getType()->isSuperTypeOf($specified->getType())->yes();
-	}
-
 	private function expressionTypeIsUnchangeable(ExpressionTypeHolder $typeHolder): bool
 	{
 		$expr = $typeHolder->getExpr();
@@ -3243,7 +3230,10 @@ public function filterBySpecifiedTypes(SpecifiedTypes $specifiedTypes): self
 						}
 						if (!$specifiedExpressions[$holderExprString]->equals($conditionalTypeHolder)) {
 							$allExact = false;
-							if (!$this->conditionalExpressionHolderMatches($specifiedExpressions[$holderExprString], $conditionalTypeHolder)) {
+							if (
+								!$specifiedExpressions[$holderExprString]->getCertainty()->equals($conditionalTypeHolder->getCertainty())
+								|| !$conditionalTypeHolder->getType()->isSuperTypeOf($specifiedExpressions[$holderExprString]->getType())->yes()
+							) {
 								$allSuperType = false;
 								break;
 							}