Summary:
SafeStack needs just few functions from there, but sanitizer_common
introduces conflicts with other runtimes, e.g. SCUDO.
Reviewers: eugenis, kcc, cryptoad
Subscribers: mgorny, krytarowski, fedor.sergeev, jfb, llvm-commits
Differential Revision: https://reviews.llvm.org/D56886
llvm-svn: 351506