next.js cannot find pages folder after building for Firebase functions

[ghost]

Bug report

Describe the bug

https://github.com/zeit/next.js/tree/canary/examples/with-firebase-hosting-and-typescript

Next.js cannot find pages folder after building and deploy to firebase functions.
Next.js v9.0.6 seems fine. It works well. but since v9.0.7 Next.js is not.

> protobufjs@6.8.8 postinstall C:\test\test-web\your-app\dist\functions\node_modules\protobufjs
> node scripts/postinstall

npm notice created a lockfile as package-lock.json. You should commit this file.
npm WARN with-firebase-hosting-and-typescript@1.0.0 No repository field.
npm WARN with-firebase-hosting-and-typescript@1.0.0 No license field.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.9 (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.9: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@2.1.0 (node_modules\firebase-tools\node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@2.1.0: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})

added 1323 packages from 618 contributors and audited 13608 packages in 25.735s
found 1 low severity vulnerability
  run `npm audit fix` to fix them, or `npm audit` for details
+  functions: Finished running predeploy script.
Running command: npm run build-public

> with-firebase-hosting-and-typescript@1.0.0 build-public C:\test\test-web\your-app
> cpx "sources/public/**/*.*" "dist/public" -C

+  hosting: Finished running predeploy script.
i  functions: ensuring necessary APIs are enabled...
+  functions: all necessary APIs are enabled
i  functions: preparing dist/functions directory for uploading...

Error: Error occurred while parsing your function triggers.

Error: > Couldn't find a `pages` directory. Please create one under the project root
    at findPagesDir (C:\test\test-web\your-app\dist\functions\node_modules\next\dist\lib\find-pages-dir.js:3:170)
    at new DevServer (C:\test\test-web\your-app\dist\functions\node_modules\next\dist\server\next-dev-server.js:1:2679)
    at Object.createServer [as default] (C:\test\test-web\your-app\dist\functions\node_modules\next\dist\server\next.js:2:105)
    at Object.<anonymous> (C:\test\test-web\your-app\dist\functions\index.js:16:27)
    at Module._compile (module.js:653:30)
    at Object.Module._extensions..js (module.js:664:10)
    at Module.load (module.js:566:32)
    at tryModuleLoad (module.js:506:12)
    at Function.Module._load (module.js:498:3)
    at Module.require (module.js:597:17)

Having trouble? Try firebase deploy --help
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

To Reproduce

Steps to reproduce the behavior, please provide code snippets or a repository:

npx create-next-app --example with-firebase-hosting-and-typescript your-app
-> edit .firebaserc
{ "projects" : { "default" : "YOUR_PROJECT" } }

firebase use default
npm run deploy

Expected behavior

Next.js App should be deployed to Firebase function.

System information

Google Firebase Functions

[ijjk]

Hi, this appears to be a duplicate of #8893 and was fixed in #8896 Note: the update is available in v9.0.8-canary.0

[balazsorban44]

This issue has been automatically locked due to no recent activity. If you are running into a similar issue, please create a new issue with the steps to reproduce. Thank you.