[PATCH] D63859: [Support] Add getFileOrSTDIN which calls a callback if stdin is a tty

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

I am a bit dubious about the change. Why is a callback needed? Doesn't performing operations in the call sites meet your needs?


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  https://reviews.llvm.org/D63859/new/

https://reviews.llvm.org/D63859