[PATCH] D148318: [clang-tidy] Add `performance-avoid-endl` check

[André Schackier via Phabricator via cfe-commits]

AMS21 added a comment.

I've also notices that we don't handle this case

  std::endl(std::cout);

Although a rather unusual thing to use, its still valid and has the same problems.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D148318/new/

https://reviews.llvm.org/D148318