alexshap added a comment. Test plan: make -j8 check-llvm-unit F2273124: Screen Shot 2016-08-15 at 5.14.59 PM.png <https://reviews.llvm.org/F2273124> F2273127: Screen Shot 2016-08-15 at 5.14.29 PM.png <https://reviews.llvm.org/F2273127> https://reviews.llvm.org/D23536