Jim Ingham 225621596b Don't access the process in expressions w/o checking that
the process exists.

I also added some tests that crash before this fix, and work correctly after.

<rdar://problem/29083321>

llvm-svn: 285974
2016-11-03 23:42:09 +00:00
..
2016-10-11 21:08:27 +00:00