prevent duplicated work

Author: staabm

src/Analyser/MutatingScope.php

@@ -3728,7 +3728,8 @@ private function enterAnonymousFunctionWithoutReflection(
 			$nativeTypes[$paramExprString] = ExpressionTypeHolder::createYes($use->var, $variableNativeType);
 		}
 
-		foreach ($this->invalidateStaticExpressions($this->expressionTypes) as $exprString => $typeHolder) {
+		$nonStaticExpressions = $this->invalidateStaticExpressions($this->expressionTypes);
+		foreach ($nonStaticExpressions as $exprString => $typeHolder) {
 			$expr = $typeHolder->getExpr();
 
 			if ($expr instanceof Variable) {
@@ -3758,7 +3759,7 @@ private function enterAnonymousFunctionWithoutReflection(
 			$nativeTypes['$this'] = ExpressionTypeHolder::createYes($node, $this->getNativeType($node));
 
 			if ($this->phpVersion->supportsReadOnlyProperties()) {
-				foreach ($this->invalidateStaticExpressions($this->expressionTypes) as $exprString => $typeHolder) {
+				foreach ($nonStaticExpressions as $exprString => $typeHolder) {
 					$expr = $typeHolder->getExpr();
 
 					if (