weimingz added a comment. The bot has a failure on the test: http://lab.llvm.org:8080/green/job/clang-stage1-cmake-RA-incremental_check/26892/consoleFull#177556673249ba4694-19c4-4d7e-bec5-911270d8a58c BUt I cannot reproduce the failure Repository: rL LLVM https://reviews.llvm.org/D23129