[PATCH] D21323: [clang-format] do not add existing includes.

[Daniel Jasper via cfe-commits]

djasper added a comment.

Well, it is easy to not see duplicated #includes when they aren't properly sorted. When clang-format then goes in and sorts them, they end up next to each other. And I think no user really wants that.


http://reviews.llvm.org/D21323