When building ubsan, link in ubsan parts first and sanitizer-common second, to
pick up the common bits ubsan actually needs. Also remove whole-archive when we
aren't trying to re-export the symbols.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@193022 91177308-0d34-0410-b5e6-96231b3b80d8