[PATCH] .gitignore: add some rules to clarify 'arc diff'

[Chris Bieneman]

There really isn't anything offensive here, but is there a reason all your directories are starting with '/'? The rest of the file omits the leading slashes, so it might be nice if you kept consistent.


================
Comment at: .gitignore:46
@@ -38,1 +45,3 @@
+# LLVM build tree, by convention
+/build
 # External projects that are tracked independently.
----------------
Do most people do in-tree builds? I exclusively do out of tree CMake/configure.

http://reviews.llvm.org/D6869

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