[PATCH] D57429: [docs] Document ignoring build directory

[Shoaib Meenai via Phabricator via llvm-commits]

smeenai added a comment.

An alternative would be to just add `build` to our top-level `.gitignore`, assuming that's what most people are naming their build directory. @pcc attempted to do something a bit more ambitious in D57400 <https://reviews.llvm.org/D57400>, but just ignoring `/build*` (as suggested by @jyknight there) shouldn't cause issues, I think.


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https://reviews.llvm.org/D57429