fix managed paths regexp handling

lib/FileSystemInfo.js

@@ -1988,7 +1988,7 @@ class FileSystemInfo {
 			for (const managedPath of this.managedPathsRegExps) {
 				const match = managedPath.exec(path);
 				if (match) {
-					const managedItem = getManagedItem(managedPath[1], path);
+					const managedItem = getManagedItem(match[1], path);
 					if (managedItem) {
 						managedItems.add(managedItem);
 						managedSet.add(path);
@@ -2962,7 +2962,7 @@ class FileSystemInfo {
 					for (const managedPath of this.managedPathsRegExps) {
 						const match = managedPath.exec(path);
 						if (match) {
-							const managedItem = getManagedItem(managedPath[1], path);
+							const managedItem = getManagedItem(match[1], path);
 							if (managedItem) {
 								// construct timestampHash from managed info
 								return this.managedItemQueue.add(managedItem, (err, info) => {

test/configCases/managedPaths/futureDefaults/index.js

@@ -0,0 +1,5 @@
+import value from "package";
+
+it("should work", () => {
+	expect(value).toBe(42);
+});

test/configCases/managedPaths/futureDefaults/node_modules/package/index.js

@@ -0,0 +1 @@
+export default 42;

test/configCases/managedPaths/futureDefaults/node_modules/package/package.json

@@ -0,0 +1,4 @@
+{
+  "name": "package",
+  "version": "1.0.0"
+}

test/configCases/managedPaths/futureDefaults/webpack.config.js

@@ -0,0 +1,6 @@
+/** @type {import("../../../../").Configuration} */
+module.exports = {
+	experiments: {
+		futureDefaults: true
+	}
+};