Backported from mainline 2017-07-14 Jakub Jelinek <jakub@redhat.com> PR sanitizer/81066 * sanitizer_common/sanitizer_linux.h: Cherry-pick upstream r307969. * sanitizer_common/sanitizer_linux.cc: Likewise. * sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc: Likewise. * tsan/tsan_platform_linux.cc: Likewise. From-SVN: r250287