Update DependencyResolver.php

Author: staabm

src/Dependency/DependencyResolver.php

@@ -523,17 +523,20 @@ private function considerArrayForCallableTest(Scope $scope, Array_ $arrayNode):
 	 */
 	private function addClassToDependencies(string $className, array &$dependenciesReflections): void
 	{
-		if (isset($this->seenClasses[$className])) {
-			return;
-		}
-
 		try {
 			$classReflection = $this->reflectionProvider->getClass($className);
-			$this->seenClasses[$className] = true;
 		} catch (ClassNotFoundException) {
 			return;
 		}
 
+		$fileName = $classReflection->getFileName();
+		if ($fileName !== null) {
+			if (isset($this->seenClasses[$fileName])) {
+				return;
+			}
+			$this->seenClasses[$fileName] = true;
+		}
+
 		do {
 			$dependenciesReflections[] = $classReflection;