[AsmParser] Fix preserve-comments-crlf.s on FreeBSD

--strip-trailing-cr is a diffutils option which is also available on
BSD-licensed diff introduced in FreeBSD 11.2, however, it has a bug
comparing files mixing \r and \r\n. Use -b (POSIX) instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@338008 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed