[NFC] Pre-commit UBSAN src:*=sanitize test#140602

vitalybuka merged 4 commits intomainllvm/llvm-project:mainfrom

users/qinkunbao/spr/demo-test-for-httpsgithubcomllvmllvm-projectpull140529llvm/llvm-project:users/qinkunbao/spr/demo-test-for-httpsgithubcomllvmllvm-projectpull140529Copy head branch name to clipboard