[PATCH] D56545: [VFS] Allow multiple RealFileSystem instances with independent CWDs.

[Sam McCall via Phabricator via llvm-commits]

sammccall added a comment.

In D56545#1352758 <https://reviews.llvm.org/D56545#1352758>, @labath wrote:

> This usage of `Twine` isn't very nice, but neither is lambda-wrapping everything, so it's kind of a pick-your-poison situation. Anyway, just throwing the idea out there...


Thanks, I think that's a bit nicer.

I'm almost certain that ripping `Twine` out of all our filesystem interfaces would improve both performance and readability overall :-/


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