Updated build-llvm to use a more generic ioctl
to determine the number of available processors.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@195172 91177308-0d34-0410-b5e6-96231b3b80d8
Flush the Process' cache of extended threads every time the
natural stop id is updated.
<rdar://problem/15496603> 


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@195177 91177308-0d34-0410-b5e6-96231b3b80d8