[libcxx-commits] [libcxx] [libcxx][fstream][NFC] Make __failed helper lambda a member function (PR #149390)

[Michael Buch via libcxx-commits]

Michael137 wrote:

Tests pass. Code formatter github action keeps failing with:
```
  File "/opt/hostedtoolcache/Python/3.11.13/x64/lib/python3.11/site-packages/github/Requester.py", line 442, in requestJsonAndCheck
    return self.__check(
           ^^^^^^^^^^^^^
  File "/opt/hostedtoolcache/Python/3.11.13/x64/lib/python3.11/site-packages/github/Requester.py", line 487, in __check
    raise self.__createException(status, responseHeaders, data)
github.GithubException.RateLimitExceededException: 403 {"message": "API rate limit exceeded for installation. If you reach out to GitHub Support for help, please include the request ID 5800:166FBA:3860649:7137236:687958E8 and timestamp 2025-07-17 20:11:20 UTC.", "documentation_url": "https://docs.github.com/rest/overview/rate-limits-for-the-rest-api", "status": "403"}
```

Seems unrelated so going to merge this. I ran `git clang-format` prior to comitting

https://github.com/llvm/llvm-project/pull/149390