Tag build swift-DEVELOPMENT-SNAPSHOT-2016-11-01-a
Merge remote-tracking branch 'origin/swift-3.1-branch' into stable

* origin/swift-3.1-branch:
  [compiler-rt] Changing function prototype returning unused value
  Fix silly mistake introduced here : https://reviews.llvm.org/D24566 Asan bots are currently broken without this patch.
  address comments from: https://reviews.llvm.org/D24566 using startswith instead of find.
  [compiler-rt] Avoid instrumenting sanitizer functions