[PATCH] D90010: clang-tidy: Reduce number of stderr write calls

[Hiral via Phabricator via cfe-commits]

Hiralo added a comment.

In D90010#2352556 <https://reviews.llvm.org/D90010#2352556>, @njames93 wrote:

> Isn't `llvm::errs()` buffered, negating most of the benefit here.

If it is buffered, we would expect single write call to stderr. But we are seeing 7 write calls!

Yes, please suggest how to make llvm::errs() buffered that will be easy patch :)

In D90010#2352627 <https://reviews.llvm.org/D90010#2352627>, @dblaikie wrote:

> (the patch description doesn't explain any specific motivation either - whether it's performance (runtime? memory usage? etc?) or something else, and how the performance aspect has been quantified)

The motivation is to avoid 7 write calls which helps in large build system and easy on NFS!

Thank you.
-Hiral


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